NET工具类

引用

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.UI;
using Microsoft.VisualBasic;
using System.Collections;
using System.Drawing;

namespace RadioActiveSys.Tools
{

    /// <summary>
    /// 综合工具类
    /// </summary>
    public class Utils
    {
        #region 正则参数
        private static Regex RegexBr = new Regex(@"(\r\n)", RegexOptions.IgnoreCase);
        public static Regex RegexFont = new Regex(@"<font color=" + "\".*?\"" + @">([\s\S]+?)</font>", Utils.GetRegexCompiledOptions());

        private static FileVersionInfo AssemblyFileVersion = FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location);

        private static string TemplateCookieName = string.Format("dnttemplateid_{0}_{1}_{2}", AssemblyFileVersion.FileMajorPart, AssemblyFileVersion.FileMinorPart, AssemblyFileVersion.FileBuildPart);
        /// <summary>
        /// 得到正则编译参数设置
        /// </summary>
        /// <returns></returns>
        public static RegexOptions GetRegexCompiledOptions()
        {
#if NET1
            return RegexOptions.Compiled;
#else
            return RegexOptions.None;
#endif
        }
        #endregion

        #region 常用表单验证函数
        /// <summary>
        /// 判断给定的字符串数组(strNumber)中的数据是不是都为数值型
        /// </summary>
        /// <param name="strNumber">要确认的字符串数组</param>
        /// <returns>是则返加true 不是则返回 false</returns>
        public static bool IsNumericArray(string[] strNumber)
        {
            return TypeParse.IsNumericArray(strNumber);
        }


        /// <summary>
        /// 验证是否为正整数
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool IsInt(string str)
        {

            return Regex.IsMatch(str, @"^[0-9]*$");
        }
        /// <summary>
        /// 电话号码
        /// </summary>
        /// <param name="input_string"></param>
        /// <returns></returns>
        public static bool IsTelephoneNumber(string input_string)
        {
            string sPattern = @"^[0-9-]{5,32}$";
            Regex rex = new Regex(sPattern);
            return rex.IsMatch(input_string);
        }

        /// <summary>
        /// 电子邮件
        /// </summary>
        /// <param name="input_string"></param>
        /// <returns></returns>
        public static bool IsEmailAddress(string input_string)
        {
            string sPattern = @"^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$";

            Regex rex = new Regex(sPattern);

            return rex.IsMatch(input_string);
        }

        /// <summary>
        /// 手机号码
        /// </summary>
        /// <param name="input_string"></param>
        /// <returns></returns>
        public static bool IsMobileNumber(string input_string)
        {
            string sPat = "^1(3[0-9]|5[0-9]|8[0-9])\\d{8}$";

            Regex rgx = new Regex(sPat);

            return rgx.IsMatch(input_string);
        }
        /// <summary>
        /// 中国合法身份证号码
        /// </summary>
        /// <param name="CardNo"></param>
        /// <returns></returns>
        public static bool IsCardNO_ZH(string CardNo)
        {
            string sPat = @"^\d{17}[\d|X]|\d{15}$";
            Regex rgx = new Regex(sPat);
            return rgx.IsMatch(CardNo);
        }
        /// <summary>
        /// 检测是否符合email格式
        /// </summary>
        /// <param name="strEmail">要判断的email字符串</param>
        /// <returns>判断结果</returns>
        public static bool IsValidEmail(string strEmail)
        {
            return Regex.IsMatch(strEmail, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");
        }
        /// <summary>
        /// 检测是否符合email格式
        /// </summary>
        /// <param name="strEmail">要判断的email字符串</param>
        /// <returns>判断结果</returns>
        public static bool IsValidDoEmail(string strEmail)
        {
            return Regex.IsMatch(strEmail, @"mailto:%5E@((\[[0-9]%7B1,3%7D\.[0-9]%7B1,3%7D\.[0-9]%7B1,3%7D\.)%7C(([\w-]+\.)+))([a-zA-Z]%7B2,4%7D%7C[0-9]%7B1,3%7D)(\]?)$");
        }

        /// <summary>
        /// 检测是否是正确的Url
        /// </summary>
        /// <param name="strUrl">要验证的Url</param>
        /// <returns>判断结果</returns>
        public static bool IsURL(string strUrl)
        {
            return Regex.IsMatch(strUrl, @"^(http|https)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{1,10}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*$");
        }
        /// <summary>
        /// 获取电子邮件的主机名【域名】
        /// </summary>
        /// <param name="strEmail"></param>
        /// <returns></returns>
        public static string GetEmailHostName(string strEmail)
        {
            if (strEmail.IndexOf("@") < 0)
            {
                return "";
            }
            return strEmail.Substring(strEmail.LastIndexOf("@")).ToLower();
        }

        /// <summary>
        /// 判断是否为base64字符串
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static bool IsBase64String(string str)
        {
            //A-Z, a-z, 0-9, +, /, =
            return Regex.IsMatch(str, @"[A-Za-z0-9\+\/\=]");
        }
        #endregion

        #region 字符串验证
        /// <summary>
        /// 返回字符串真实长度, 1个汉字长度为2
        /// </summary>
        /// <returns></returns>
        public static int GetStringLength(string str)
        {
            return Encoding.Default.GetBytes(str).Length;
        }
        /// <summary>
        /// 判断字符串按规则分割后是否在目标字符串
        /// </summary>
        /// <param name="str"></param>
        /// <param name="stringarray">目标字符串数</param>
        /// <param name="strsplit">分割符</param>
        /// <returns></returns>
        public static bool IsCompriseStr(string str, string stringarray, string strsplit)
        {
            if (stringarray == "" || stringarray == null)
            {
                return false;
            }

            str = str.ToLower();
            string[] stringArray = Utils.SplitString(stringarray.ToLower(), strsplit);
            for (int i = 0; i < stringArray.Length; i++)
            {
                //string t1 = str;
                //string t2 = stringArray[i];
                if (str.IndexOf(stringArray[i]) > -1)
                {
                    return true;
                }
            }
            return false;
        }
        /// <summary>
        /// 判断指定字符串是否属于指定字符串数组中的一个元素
        /// </summary>
        /// <param name="strSearch">字符串</param>
        /// <param name="stringArray">字符串数组</param>
        /// <param name="caseInsensetive">是否不区分大小写, true为不区分, false为区分</param>
        /// <returns>判断结果</returns>
        public static bool InArray(string strSearch, string[] stringArray, bool caseInsensetive)
        {
            return GetInArrayID(strSearch, stringArray, caseInsensetive) >= 0;
        }

        /// <summary>
        /// 判断指定字符串是否属于指定字符串数组中的一个元素
        /// </summary>
        /// <param name="str">字符串</param>
        /// <param name="stringarray">字符串数组</param>
        /// <returns>判断结果</returns>
        public static bool InArray(string str, string[] stringarray)
        {
            return InArray(str, stringarray, false);
        }

        /// <summary>
        /// 判断指定字符串是否属于指定字符串数组中的一个元素
        /// </summary>
        /// <param name="str">字符串</param>
        /// <param name="stringarray">内部以逗号分割单词的字符串</param>
        /// <returns>判断结果</returns>
        public static bool InArray(string str, string stringarray)
        {
            return InArray(str, SplitString(stringarray, ","), false);
        }

        /// <summary>
        /// 判断指定字符串是否属于指定字符串数组中的一个元素
        /// </summary>
        /// <param name="str">字符串</param>
        /// <param name="stringarray">内部以逗号分割单词的字符串</param>
        /// <param name="strsplit">分割字符串</param>
        /// <returns>判断结果</returns>
        public static bool InArray(string str, string stringarray, string strsplit)
        {
            return InArray(str, SplitString(stringarray, strsplit), false);
        }

        /// <summary>
        /// 判断指定字符串是否属于指定字符串数组中的一个元素
        /// </summary>
        /// <param name="str">字符串</param>
        /// <param name="stringarray">内部以逗号分割单词的字符串</param>
        /// <param name="strsplit">分割字符串</param>
        /// <param name="caseInsensetive">是否不区分大小写, true为不区分, false为区分</param>
        /// <returns>判断结果</returns>
        public static bool InArray(string str, string stringarray, string strsplit, bool caseInsensetive)
        {
            return InArray(str, SplitString(stringarray, strsplit), caseInsensetive);
        }


        #endregion

        #region 字符串转换
        /// <summary>
        /// 获取指定字符串在指定字符串数组中的位置
        /// </summary>
        /// <param name="strSearch">字符串</param>
        /// <param name="stringArray">字符串数组</param>
        /// <param name="caseInsensetive">是否不区分大小写, true为不区分, false为区分</param>
        /// <returns>字符串在指定字符串数组中的位置, 如不存在则返回-1</returns>
        public static int GetInArrayID(string strSearch, string[] stringArray, bool caseInsensetive)
        {
            for (int i = 0; i < stringArray.Length; i++)
            {
                if (caseInsensetive)
                {
                    if (strSearch.ToLower() == stringArray[i].ToLower())
                    {
                        return i;
                    }
                }
                else
                {
                    if (strSearch == stringArray[i])
                    {
                        return i;
                    }
                }

            }
            return -1;
        }

        /// <summary>
        /// 获取指定字符串在指定字符串数组中的位置
        /// </summary>
        /// <param name="strSearch">字符串</param>
        /// <param name="stringArray">字符串数组</param>
        /// <returns>字符串在指定字符串数组中的位置, 如不存在则返回-1</returns> 
        public static int GetInArrayID(string strSearch, string[] stringArray)
        {
            return GetInArrayID(strSearch, stringArray, true);
        }
        /// <summary>
        /// 删除字符串尾部的回车/换行/空格
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string RTrim(string str)
        {
            for (int i = str.Length; i >= 0; i--)
            {
                if (str[i].Equals(" ") || str[i].Equals("\r") || str[i].Equals("\n"))
                {
                    str.Remove(i, 1);
                }
            }
            return str;
        }
        /// <summary>
        /// 清除给定字符串中的回车及换行符
        /// </summary>
        /// <param name="str">要清除的字符串</param>
        /// <returns>清除后返回的字符串</returns>
        public static string ClearBR(string str)
        {
            //Regex r = null;
            Match m = null;

            //r = new Regex(@"(\r\n)",RegexOptions.IgnoreCase);
            for (m = RegexBr.Match(str); m.Success; m = m.NextMatch())
            {
                str = str.Replace(m.Groups[0].ToString(), "");
            }


            return str;
        }

        /// <summary>
        /// 从字符串的指定位置截取指定长度的子字符串
        /// </summary>
        /// <param name="str">原字符串</param>
        /// <param name="startIndex">子字符串的起始位置</param>
        /// <param name="length">子字符串的长度</param>
        /// <returns>子字符串</returns>
        public static string CutString(string str, int startIndex, int length)
        {
            if (startIndex >= 0)
            {
                if (length < 0)
                {
                    length = length * -1;
                    if (startIndex - length < 0)
                    {
                        length = startIndex;
                        startIndex = 0;
                    }
                    else
                    {
                        startIndex = startIndex - length;
                    }
                }


                if (startIndex > str.Length)
                {
                    return "";
                }


            }
            else
            {
                if (length < 0)
                {
                    return "";
                }
                else
                {
                    if (length + startIndex > 0)
                    {
                        length = length + startIndex;
                        startIndex = 0;
                    }
                    else
                    {
                        return "";
                    }
                }
            }

            if (str.Length - startIndex < length)
            {
                length = str.Length - startIndex;
            }

            return str.Substring(startIndex, length);
        }

        /// <summary>
        /// 从字符串的指定位置开始截取到字符串结尾的了符串
        /// </summary>
        /// <param name="str">原字符串</param>
        /// <param name="startIndex">子字符串的起始位置</param>
        /// <returns>子字符串</returns>
        public static string CutString(string str, int startIndex)
        {
            return CutString(str, startIndex, str.Length);
        }
        /// <summary>
        /// 字符串如果操过指定长度则将超出的部分用指定字符串代替
        /// </summary>
        /// <param name="p_SrcString">要检查的字符串</param>
        /// <param name="p_Length">指定长度</param>
        /// <param name="p_TailString">用于替换的字符串</param>
        /// <returns>截取后的字符串</returns>
        public static string GetSubString(string p_SrcString, int p_Length, string p_TailString)
        {
            return GetSubString(p_SrcString, 0, p_Length, p_TailString);
        }
        /// <summary>
        /// 取指定长度的字符串
        /// </summary>
        /// <param name="p_SrcString">要检查的字符串</param>
        /// <param name="p_StartIndex">起始位置</param>
        /// <param name="p_Length">指定长度</param>
        /// <param name="p_TailString">用于替换的字符串</param>
        /// <returns>截取后的字符串</returns>
        public static string GetSubString(string p_SrcString, int p_StartIndex, int p_Length, string p_TailString)
        {


            string myResult = p_SrcString;

            //当是日文或韩文时(注:中文的范围:\u4e00 - \u9fa5, 日文在\u0800 - \u4e00, 韩文为\xAC00-\xD7A3)
            if (System.Text.RegularExpressions.Regex.IsMatch(p_SrcString, "[\u0800-\u4e00]+") ||
                System.Text.RegularExpressions.Regex.IsMatch(p_SrcString, "[\xAC00-\xD7A3]+"))
            {
                //当截取的起始位置超出字段串长度时
                if (p_StartIndex >= p_SrcString.Length)
                {
                    return "";
                }
                else
                {
                    return p_SrcString.Substring(p_StartIndex,
                                                   ((p_Length + p_StartIndex) > p_SrcString.Length) ? (p_SrcString.Length - p_StartIndex) : p_Length);
                }
            }


            if (p_Length >= 0)
            {
                byte[] bsSrcString = Encoding.Default.GetBytes(p_SrcString);

                //当字符串长度大于起始位置
                if (bsSrcString.Length > p_StartIndex)
                {
                    int p_EndIndex = bsSrcString.Length;

                    //当要截取的长度在字符串的有效长度范围内
                    if (bsSrcString.Length > (p_StartIndex + p_Length))
                    {
                        p_EndIndex = p_Length + p_StartIndex;
                    }
                    else
                    {   //当不在有效范围内时,只取到字符串的结尾

                        p_Length = bsSrcString.Length - p_StartIndex;
                        p_TailString = "";
                    }



                    int nRealLength = p_Length;
                    int[] anResultFlag = new int[p_Length];
                    byte[] bsResult = null;

                    int nFlag = 0;
                    for (int i = p_StartIndex; i < p_EndIndex; i++)
                    {

                        if (bsSrcString[i] > 127)
                        {
                            nFlag++;
                            if (nFlag == 3)
                            {
                                nFlag = 1;
                            }
                        }
                        else
                        {
                            nFlag = 0;
                        }

                        anResultFlag[i] = nFlag;
                    }

                    if ((bsSrcString[p_EndIndex - 1] > 127) && (anResultFlag[p_Length - 1] == 1))
                    {
                        nRealLength = p_Length + 1;
                    }

                    bsResult = new byte[nRealLength];

                    Array.Copy(bsSrcString, p_StartIndex, bsResult, 0, nRealLength);

                    myResult = Encoding.Default.GetString(bsResult);

                    myResult = myResult + p_TailString;
                }
            }

            return myResult;
        }

        /// <summary>
        /// 自定义的替换字符串函数
        /// </summary>
        public static string ReplaceString(string SourceString, string SearchString, string ReplaceString, bool IsCaseInsensetive)
        {
            return Regex.Replace(SourceString, Regex.Escape(SearchString), ReplaceString, IsCaseInsensetive ? RegexOptions.IgnoreCase : RegexOptions.None);
        }
        /// <summary>
        /// 分割字符串
        /// </summary>
        public static string[] SplitString(string strContent, string strSplit)
        {
            if (strContent.IndexOf(strSplit) < 0)
            {
                string[] tmp = { strContent };
                return tmp;
            }
            return Regex.Split(strContent, Regex.Escape(strSplit), RegexOptions.IgnoreCase);
        }

        /// <summary>
        /// 分割字符串
        /// </summary>
        /// <returns></returns>
        public static string[] SplitString(string strContent, string strSplit, int p_3)
        {
            string[] result = new string[p_3];

            string[] splited = SplitString(strContent, strSplit);

            for (int i = 0; i < p_3; i++)
            {
                if (i < splited.Length)
                    result[i] = splited[i];
                else
                    result[i] = string.Empty;
            }

            return result;
        }
        #endregion

        #region 加密解密
        /// <summary>
        /// MD5函数
        /// </summary>
        /// <param name="str">原始字符串</param>
        /// <returns>MD5结果</returns>
        public static string MD5(string str)
        {
            byte[] b = Encoding.Default.GetBytes(str);
            b = new MD5CryptoServiceProvider().ComputeHash(b);
            string ret = "";
            for (int i = 0; i < b.Length; i++)
                ret += b[i].ToString("x").PadLeft(2, '0');
            return ret;
        }

        /// <summary>
        /// SHA256函数
        /// </summary>
        /// /// <param name="str">原始字符串</param>
        /// <returns>SHA256结果</returns>
        public static string SHA256(string str)
        {
            byte[] SHA256Data = Encoding.UTF8.GetBytes(str);
            SHA256Managed Sha256 = new SHA256Managed();
            byte[] Result = Sha256.ComputeHash(SHA256Data);
            return Convert.ToBase64String(Result);  //返回长度为44字节的字符串
        }
        #endregion

        #region 文件操作
        /// <summary>
        /// 获得当前绝对路径
        /// </summary>
        /// <param name="strPath">指定的路径</param>
        /// <returns>绝对路径</returns>
        public static string GetMapPath(string strPath)
        {
            if (HttpContext.Current != null)
            {
                return HttpContext.Current.Server.MapPath(strPath);
            }
            else //非web程序引用
            {
                return System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strPath);
            }
        }
        /// <summary>
        /// 返回文件是否存在
        /// </summary>
        /// <param name="filename">文件名</param>
        /// <returns>是否存在</returns>
        public static bool FileExists(string filename)
        {
            return System.IO.File.Exists(filename);
        }

        /// <summary>
        /// 以指定的ContentType输出指定文件文件
        /// </summary>
        /// <param name="filepath">文件路径</param>
        /// <param name="filename">输出的文件名</param>
        /// <param name="filetype">将文件输出时设置的ContentType</param>
        public static void ResponseFile(string filepath, string filename, string filetype)
        {
            Stream iStream = null;

            // 缓冲区为10k
            byte[] buffer = new Byte[10000];

            // 文件长度
            int length;

            // 需要读的数据长度
            long dataToRead;

            try
            {
                // 打开文件
                iStream = new FileStream(filepath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);


                // 需要读的数据长度
                dataToRead = iStream.Length;

                HttpContext.Current.Response.ContentType = filetype;
                HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + Utils.UrlEncode(filename.Trim()).Replace("+", " "));

                while (dataToRead > 0)
                {
                    // 检查客户端是否还处于连接状态
                    if (HttpContext.Current.Response.IsClientConnected)
                    {
                        length = iStream.Read(buffer, 0, 10000);
                        HttpContext.Current.Response.OutputStream.Write(buffer, 0, length);
                        HttpContext.Current.Response.Flush();
                        buffer = new Byte[10000];
                        dataToRead = dataToRead - length;
                    }
                    else
                    {
                        // 如果不再连接则跳出死循环
                        dataToRead = -1;
                    }
                }
            }
            catch (Exception ex)
            {
                HttpContext.Current.Response.Write("Error : " + ex.Message);
            }
            finally
            {
                if (iStream != null)
                {
                    // 关闭文件
                    iStream.Close();
                }
            }
            HttpContext.Current.Response.End();
        }

        /// <summary>
        /// 判断文件名是否为浏览器可以直接显示的图片文件名
        /// </summary>
        /// <param name="filename">文件名</param>
        /// <returns>是否可以直接显示</returns>
        public static bool IsImgFilename(string filename)
        {
            filename = filename.Trim();
            if (filename.EndsWith(".") || filename.IndexOf(".") == -1)
            {
                return false;
            }
            string extname = filename.Substring(filename.LastIndexOf(".") + 1).ToLower();
            return (extname == "jpg" || extname == "jpeg" || extname == "png" || extname == "bmp" || extname == "gif");
        }
        /// <summary>
        /// 返回指定目录下的非 UTF8 字符集文件
        /// </summary>
        /// <param name="Path">路径</param>
        /// <returns>文件名的字符串数组</returns>
        public static string[] FindNoUTF8File(string Path)
        {
            //System.IO.StreamReader reader = null;
            StringBuilder filelist = new StringBuilder();
            DirectoryInfo Folder = new DirectoryInfo(Path);
            //System.IO.DirectoryInfo[] subFolders = Folder.GetDirectories();
            /*
            for (int i=0;i<subFolders.Length;i++)
            {
                FindNoUTF8File(subFolders[i].FullName);
            }
            */
            FileInfo[] subFiles = Folder.GetFiles();
            for (int j = 0; j < subFiles.Length; j++)
            {
                if (subFiles[j].Extension.ToLower().Equals(".htm"))
                {
                    FileStream fs = new FileStream(subFiles[j].FullName, FileMode.Open, FileAccess.Read);
                    bool bUtf8 = IsUTF8(fs);
                    fs.Close();
                    if (!bUtf8)
                    {
                        filelist.Append(subFiles[j].FullName);
                        filelist.Append("\r\n");
                    }
                }
            }
            return Utils.SplitString(filelist.ToString(), "\r\n");

        }

        //0000 0000-0000 007F - 0xxxxxxx  (ascii converts to 1 octet!)
        //0000 0080-0000 07FF - 110xxxxx 10xxxxxx    ( 2 octet format)
        //0000 0800-0000 FFFF - 1110xxxx 10xxxxxx 10xxxxxx (3 octet format)

        /// <summary>
        /// 判断文件流是否为UTF8字符集
        /// </summary>
        /// <param name="sbInputStream">文件流</param>
        /// <returns>判断结果</returns>
        private static bool IsUTF8(FileStream sbInputStream)
        {
            int i;
            byte cOctets;  // octets to go in this UTF-8 encoded character
            byte chr;
            bool bAllAscii = true;
            long iLen = sbInputStream.Length;

            cOctets = 0;
            for (i = 0; i < iLen; i++)
            {
                chr = (byte)sbInputStream.ReadByte();

                if ((chr & 0x80) != 0) bAllAscii = false;

                if (cOctets == 0)
                {
                    if (chr >= 0x80)
                    {
                        do
                        {
                            chr <<= 1;
                            cOctets++;
                        }
                        while ((chr & 0x80) != 0);

                        cOctets--;
                        if (cOctets == 0) return false;
                    }
                }
                else
                {
                    if ((chr & 0xC0) != 0x80)
                    {
                        return false;
                    }
                    cOctets--;
                }
            }

            if (cOctets > 0)
            {
                return false;
            }

            if (bAllAscii)
            {
                return false;
            }

            return true;

        }

        /// <summary>
        /// 格式化字节数字符串
        /// </summary>
        /// <param name="bytes"></param>
        /// <returns></returns>
        public static string FormatBytesStr(int bytes)
        {
            if (bytes > 1073741824)
            {
                return ((double)(bytes / 1073741824)).ToString("0") + "G";
            }
            if (bytes > 1048576)
            {
                return ((double)(bytes / 1048576)).ToString("0") + "M";
            }
            if (bytes > 1024)
            {
                return ((double)(bytes / 1024)).ToString("0") + "K";
            }
            return bytes.ToString() + "Bytes";
        }
        /// <summary>
        /// 建立文件夹
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static bool CreateDir(string name)
        {
            return Utils.MakeSureDirectoryPathExists(name);
        }
        /// <summary>
        /// 创建目录
        /// </summary>
        /// <param name="name">名称</param>
        /// <returns>创建是否成功</returns>
        [DllImport("dbgHelp", SetLastError = true)]
        private static extern bool MakeSureDirectoryPathExists(string name);
        #endregion

        #region HTMl操作
        /// <summary>
        /// 将用户组Title中的font标签去掉
        /// </summary>
        /// <param name="title">用户组Title</param>
        /// <returns></returns>
        public static string RemoveFontTag(string title)
        {
            Match m = RegexFont.Match(title);
            if (m.Success)
            {
                return m.Groups[1].Value;
            }
            return title;
        }


        /// <summary>
        /// 从HTML中获取文本,保留br,p,img
        /// </summary>
        /// <param name="HTML"></param>
        /// <returns></returns>
        public static string GetTextFromHTML(string HTML)
        {
            System.Text.RegularExpressions.Regex regEx = new System.Text.RegularExpressions.Regex(@"</?(?!br|/?p|img)[^>]*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);

            return regEx.Replace(HTML, "");
        }
        /// <summary>
        /// 移除Html标记
        /// </summary>
        /// <param name="content"></param>
        /// <returns></returns>
        public static string RemoveHtml(string content)
        {
            string regexstr = @"<[^>]*>";
            return Regex.Replace(content, regexstr, string.Empty, RegexOptions.IgnoreCase);
        }

        /// <summary>
        /// 过滤HTML中的不安全标签
        /// </summary>
        /// <param name="content"></param>
        /// <returns></returns>
        public static string RemoveUnsafeHtml(string content)
        {
            content = Regex.Replace(content, @"(\<|\s+)o([a-z]+\s?=)", "$1$2", RegexOptions.IgnoreCase);
            content = Regex.Replace(content, @"(script|frame|form|meta|behavior|style)([\s|:|>])+", "$1.$2", RegexOptions.IgnoreCase);
            return content;
        }
        /// <summary>
        /// 转换为静态html
        /// </summary>
        public void transHtml(string path, string outpath)
        {
            Page page = new Page();
            StringWriter writer = new StringWriter();
            page.Server.Execute(path, writer);
            FileStream fs;
            if (File.Exists(page.Server.MapPath("") + "\\" + outpath))
            {
                File.Delete(page.Server.MapPath("") + "\\" + outpath);
                fs = File.Create(page.Server.MapPath("") + "\\" + outpath);
            }
            else
            {
                fs = File.Create(page.Server.MapPath("") + "\\" + outpath);
            }
            byte[] bt = Encoding.Default.GetBytes(writer.ToString());
            fs.Write(bt, 0, bt.Length);
            fs.Close();
        }
        /// <summary>
        /// 替换html字符
        /// </summary>
        public static string EncodeHtml(string strHtml)
        {
            if (strHtml != "")
            {
                strHtml = strHtml.Replace(",", "&def");
                strHtml = strHtml.Replace("'", "&dot");
                strHtml = strHtml.Replace(";", "&dec");
                return strHtml;
            }
            return "";
        }
        /// <summary>
        /// 生成指定数量的html空格符号
        /// </summary>
        public static string Spaces(int nSpaces)
        {
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < nSpaces; i++)
            {
                sb.Append(" &nbsp;&nbsp;");
            }
            return sb.ToString();
        }
        /// <summary>
        /// 替换回车换行符为html换行符
        /// </summary>
        public static string StrFormat(string str)
        {
            string str2;

            if (str == null)
            {
                str2 = "";
            }
            else
            {
                str = str.Replace("\r\n", "<br />");
                str = str.Replace("\n", "<br />");
                str2 = str;
            }
            return str2;
        }
        #endregion

        #region 日期函数
        /// <summary>
        /// 返回标准日期格式string
        /// </summary>
        public static string GetDate()
        {
            return DateTime.Now.ToString("yyyy-MM-dd");
        }

        /// <summary>
        /// 返回指定日期格式
        /// </summary>
        public static string GetDate(string datetimestr, string replacestr)
        {
            if (datetimestr == null)
            {
                return replacestr;
            }

            if (datetimestr.Equals(""))
            {
                return replacestr;
            }

            try
            {
                datetimestr = Convert.ToDateTime(datetimestr).ToString("yyyy-MM-dd").Replace("1900-01-01", replacestr);
            }
            catch
            {
                return replacestr;
            }
            return datetimestr;

        }


        /// <summary>
        /// 返回标准时间格式string
        /// </summary>
        public static string GetTime()
        {
            return DateTime.Now.ToString("HH:mm:ss");
        }

        /// <summary>
        /// 返回标准时间格式string
        /// </summary>
        public static string GetDateTime()
        {
            return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
        }

        /// <summary>
        /// 返回相对于当前时间的相对天数
        /// </summary>
        public static string GetDateTime(int relativeday)
        {
            return DateTime.Now.AddDays(relativeday).ToString("yyyy-MM-dd HH:mm:ss");
        }

        /// <summary>
        /// 返回标准时间格式string
        /// </summary>
        public static string GetDateTimeF()
        {
            return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fffffff");
        }

        /// <summary>
        /// 返回标准时间
        /// </sumary>
        public static string GetStandardDateTime(string fDateTime, string formatStr)
        {
            if (fDateTime == "0000-0-0 0:00:00")
            {

                return fDateTime;
            }
            DateTime s = Convert.ToDateTime(fDateTime);
            return s.ToString(formatStr);
        }

        /// <summary>
        /// 返回标准时间 yyyy-MM-dd HH:mm:ss
        /// </sumary>
        public static string GetStandardDateTime(string fDateTime)
        {
            return GetStandardDateTime(fDateTime, "yyyy-MM-dd HH:mm:ss");
        }

        /// <summary>
        /// 判断是否是时间类型
        /// </summary>
        /// <returns></returns>
        public static bool IsTime(string timeval)
        {
            return Regex.IsMatch(timeval, @"^((([0-1]?[0-9])|(2[0-3])):([0-5]?[0-9])(:[0-5]?[0-9])?)$");
        }
        /// <summary>
        /// 返回相差的秒数
        /// </summary>
        /// <param name="Time"></param>
        /// <param name="Sec"></param>
        /// <returns></returns>
        public static int StrDateDiffSeconds(string Time, int Sec)
        {
            TimeSpan ts = DateTime.Now - DateTime.Parse(Time).AddSeconds(Sec);
            if (ts.TotalSeconds > int.MaxValue)
            {
                return int.MaxValue;
            }
            else if (ts.TotalSeconds < int.MinValue)
            {
                return int.MinValue;
            }
            return (int)ts.TotalSeconds;
        }

        /// <summary>
        /// 返回相差的分钟数
        /// </summary>
        /// <param name="time"></param>
        /// <param name="minutes"></param>
        /// <returns></returns>
        public static int StrDateDiffMinutes(string time, int minutes)
        {
            if (time == "" || time == null)
                return 1;
            TimeSpan ts = DateTime.Now - DateTime.Parse(time).AddMinutes(minutes);
            if (ts.TotalMinutes > int.MaxValue)
            {
                return int.MaxValue;
            }
            else if (ts.TotalMinutes < int.MinValue)
            {
                return int.MinValue;
            }
            return (int)ts.TotalMinutes;
        }

        /// <summary>
        /// 返回相差的小时数
        /// </summary>
        /// <param name="time"></param>
        /// <param name="hours"></param>
        /// <returns></returns>
        public static int StrDateDiffHours(string time, int hours)
        {
            if (time == "" || time == null)
                return 1;
            TimeSpan ts = DateTime.Now - DateTime.Parse(time).AddHours(hours);
            if (ts.TotalHours > int.MaxValue)
            {
                return int.MaxValue;
            }
            else if (ts.TotalHours < int.MinValue)
            {
                return int.MinValue;
            }
            return (int)ts.TotalHours;
        }
        /// <summary>
        /// 判断字符串是否是yy-mm-dd字符串
        /// </summary>
        /// <param name="str">待判断字符串</param>
        /// <returns>判断结果</returns>
        public static bool IsDateString(string str)
        {
            return Regex.IsMatch(str, @"(\d{4})-(\d{1,2})-(\d{1,2})");
        }
        /// <summary>
        /// 向系统时间添加分钟数【负数为减】
        /// </summary>
        /// <param name="times"></param>
        /// <returns></returns>
        public static string AdDeTime(int times)
        {
            string newtime = (DateTime.Now).AddMinutes(times).ToString();
            return newtime;

        }
        #endregion

        #region sql语句合法性检测
        /// <summary>
        /// 检测是否有Sql危险字符
        /// </summary>
        /// <param name="str">要判断字符串</param>
        /// <returns>判断结果</returns>
        public static bool IsSafeSqlString(string str)
        {

            return !Regex.IsMatch(str, @"[-|;|,|\/|\(|\)|\[|\]|\}|\{|%|@|\*|!|\']");
        }
        /// <summary>
        /// 检测是否有危险的可能用于链接的字符串
        /// </summary>
        /// <param name="str">要判断字符串</param>
        /// <returns>判断结果</returns>
        public static bool IsSafeUserInfoString(string str)
        {
            return !Regex.IsMatch(str, @"^\s*$|^c:\\con\\con$|[%,\*" + "\"" + @"\s\t\<\>\&]|游客|^Guest");
        }
        /// <summary>
        /// 改正sql语句中的转义字符
        /// </summary>
        public static string mashSQL(string str)
        {
            string str2;

            if (str == null)
            {
                str2 = "";
            }
            else
            {
                str = str.Replace("\'", "'");
                str2 = str;
            }
            return str2;
        }

        /// <summary>
        /// 替换sql语句中的有问题符号
        /// </summary>
        public static string ChkSQL(string str)
        {
            string str2;

            if (str == null)
            {
                str2 = "";
            }
            else
            {
                str = str.Replace("'", "''");
                str2 = str;
            }
            return str2;
        }

        /// <summary>
        /// 替换sql语句中的有问题符号，like语句用
        /// </summary>
        public static string ChkSQL2(string str)
        {
            string str2;

            if (str == null)
            {
                str2 = "";
            }
            else
            {
                str = str.Replace("'", "''");
                str = str.Replace("_", "[_]");
                str = str.Replace("%", "[%]");
                str = str.Replace("*", "

");

                str2 = str;
            }
            return str2;
        }
        #endregion

        #region 脏字过滤
        /// <summary>
        /// 进行指定的替换(脏字过滤)
        /// </summary>
        public static string StrFilter(string str, string bantext)
        {
            string text1 = "";
            string text2 = "";
            string[] textArray1 = SplitString(bantext, "\r\n");
            for (int num1 = 0; num1 < textArray1.Length; num1++)
            {
                text1 = textArray1[num1].Substring(0, textArray1[num1].IndexOf("="));
                text2 = textArray1[num1].Substring(textArray1[num1].IndexOf("=") + 1);
                str = str.Replace(text1, text2);
            }
            return str;
        }
        #endregion

        #region 页码显示链接
        /// <summary>
        /// 获得伪静态页码显示链接
        /// </summary>
        /// <param name="curPage">当前页数</param>
        /// <param name="countPage">总页数</param>
        /// <param name="url">超级链接地址</param>
        /// <param name="extendPage">周边页码显示个数上限</param>
        /// <returns>页码html</returns>
        public static string GetStaticPageNumbers(int curPage, int countPage, string url, string expname, int extendPage)
        {
            int startPage = 1;
            int endPage = 1;

            string t1 = "<a href="\" target="_blank" rel="nofflow">            string t2 = "<a href="\" target="_blank" rel="nofflow">

            if (countPage < 1) countPage = 1;
            if (extendPage < 3) extendPage = 2;

            if (countPage > extendPage)
            {
                if (curPage - (extendPage / 2) > 0)
                {
                    if (curPage + (extendPage / 2) < countPage)
                    {
                        startPage = curPage - (extendPage / 2);
                        endPage = startPage + extendPage - 1;
                    }
                    else
                    {
                        endPage = countPage;
                        startPage = endPage - extendPage + 1;
                        t2 = "";
                    }
                }
                else
                {
                    endPage = extendPage;
                    t1 = "";
                }
            }
            else
            {
                startPage = 1;
                endPage = countPage;
                t1 = "";
                t2 = "";
            }

            StringBuilder s = new StringBuilder("");

            s.Append(t1);
            for (int i = startPage; i <= endPage; i++)
            {
                if (i == curPage)
                {
                    s.Append("<span>");
                    s.Append(i);
                    s.Append("</span>");
                }
                else
                {
                    s.Append("<a href="\" target="_blank" rel="nofflow">                    s.Append(url);
                    s.Append("-");
                    s.Append(i);
                    s.Append(expname);
                    s.Append("\">");
                    s.Append(i);
                    s.Append("</a>");
                }
            }
            s.Append(t2);

            return s.ToString();
        }


        /// <summary>
        /// 获得帖子的伪静态页码显示链接
        /// </summary>
        /// <param name="expname"></param>
        /// <param name="countPage">总页数</param>
        /// <param name="url">超级链接地址</param>
        /// <param name="extendPage">周边页码显示个数上限</param>
        /// <returns>页码html</returns>
        public static string GetPostPageNumbers(int countPage, string url, string expname, int extendPage)
        {
            int startPage = 1;
            int endPage = 1;
            int curPage = 1;

            string t1 = "<a href="\" target="_blank" rel="nofflow">            string t2 = "<a href="\" target="_blank" rel="nofflow">

            if (countPage < 1) countPage = 1;
            if (extendPage < 3) extendPage = 2;

            if (countPage > extendPage)
            {
                if (curPage - (extendPage / 2) > 0)
                {
                    if (curPage + (extendPage / 2) < countPage)
                    {
                        startPage = curPage - (extendPage / 2);
                        endPage = startPage + extendPage - 1;
                    }
                    else
                    {
                        endPage = countPage;
                        startPage = endPage - extendPage + 1;
                        t2 = "";
                    }
                }
                else
                {
                    endPage = extendPage;
                    t1 = "";
                }
            }
            else
            {
                startPage = 1;
                endPage = countPage;
                t1 = "";
                t2 = "";
            }

            StringBuilder s = new StringBuilder("");

            s.Append(t1);
            for (int i = startPage; i <= endPage; i++)
            {
                s.Append("<a href="\" target="_blank" rel="nofflow">                s.Append(url);
                s.Append("-");
                s.Append(i);
                s.Append(expname);
                s.Append("\">");
                s.Append(i);
                s.Append("</a>");
            }
            s.Append(t2);

            return s.ToString();
        }



        /// <summary>
        /// 获得页码显示链接
        /// </summary>
        /// <param name="curPage">当前页数</param>
        /// <param name="countPage">总页数</param>
        /// <param name="url">超级链接地址</param>
        /// <param name="extendPage">周边页码显示个数上限</param>
        /// <returns>页码html</returns>
        public static string GetPageNumbers(int curPage, int countPage, string url, int extendPage)
        {
            return GetPageNumbers(curPage, countPage, url, extendPage, "page");
        }

        /// <summary>
        /// 获得页码显示链接
        /// </summary>
        /// <param name="curPage">当前页数</param>
        /// <param name="countPage">总页数</param>
        /// <param name="url">超级链接地址</param>
        /// <param name="extendPage">周边页码显示个数上限</param>
        /// <param name="pagetag">页码标记</param>
        /// <returns>页码html</returns>
        public static string GetPageNumbers(int curPage, int countPage, string url, int extendPage, string pagetag)
        {
            return GetPageNumbers(curPage, countPage, url, extendPage, pagetag, null);
            //if (pagetag == "")
            //    pagetag = "page";
            //int startPage = 1;
            //int endPage = 1;

            //if(url.IndexOf("?") > 0)
            //{
            //    url = url + "&";
            //}
            //else
            //{
            //    url = url + "?";
            //}


            //string t1 = "<a href="\" target="_blank" rel="nofflow">            //string t2 = "<a href="\" target="_blank" rel="nofflow">

            //if (countPage < 1)
            //    countPage = 1;
            //if (extendPage < 3)
            //    extendPage = 2;

            //if (countPage > extendPage)
            //{
            //    if (curPage - (extendPage / 2) > 0)
            //    {
            //        if (curPage + (extendPage / 2) < countPage)
            //        {
            //            startPage = curPage - (extendPage / 2);
            //            endPage = startPage + extendPage - 1;
            //        }
            //        else
            //        {
            //            endPage = countPage;
            //            startPage = endPage - extendPage + 1;
            //            t2 = "";
            //        }
            //    }
            //    else
            //    {
            //        endPage = extendPage;
            //        t1 = "";
            //    }
            //}
            //else
            //{
            //    startPage = 1;
            //    endPage = countPage;
            //    t1 = "";
            //    t2 = "";
            //}

            //StringBuilder s = new StringBuilder("");

            //s.Append(t1);
            //for (int i = startPage; i <= endPage; i++)
            //{
            //    if (i == curPage)
            //    {
            //        s.Append("<span>");
            //        s.Append(i);
            //        s.Append("</span>");
            //    }
            //    else
            //    {
            //        s.Append("<a href="\" target="_blank" rel="nofflow">            //        s.Append(url);
            //        s.Append(pagetag);
            //        s.Append("=");
            //        s.Append(i);
            //        s.Append("\">");
            //        s.Append(i);
            //        s.Append("</a>");
            //    }
            //}
            //s.Append(t2);

            //return s.ToString();
        }

        /// <summary>
        /// 获得页码显示链接
        /// </summary>
        /// <param name="curPage">当前页数</param>
        /// <param name="countPage">总页数</param>
        /// <param name="url">超级链接地址</param>
        /// <param name="extendPage">周边页码显示个数上限</param>
        /// <param name="pagetag">页码标记</param>
        /// <param name="anchor">锚点</param>
        /// <returns>页码html</returns>
        public static string GetPageNumbers(int curPage, int countPage, string url, int extendPage, string pagetag, string anchor)
        {
            if (pagetag == "")
                pagetag = "page";
            int startPage = 1;
            int endPage = 1;

            if (url.IndexOf("?") > 0)
            {
                url = url + "&";
            }
            else
            {
                url = url + "?";
            }

            string t1 = "<a href="\" target="_blank" rel="nofflow">            string t2 = "<a href="\" target="_blank" rel="nofflow">            if (anchor != null)
            {
                t1 += anchor;
                t2 += anchor;
            }
            t1 += "\">&laquo;</a>";
            t2 += "\">&raquo;</a>";

            if (countPage < 1)
                countPage = 1;
            if (extendPage < 3)
                extendPage = 2;

            if (countPage > extendPage)
            {
                if (curPage - (extendPage / 2) > 0)
                {
                    if (curPage + (extendPage / 2) < countPage)
                    {
                        startPage = curPage - (extendPage / 2);
                        endPage = startPage + extendPage - 1;
                    }
                    else
                    {
                        endPage = countPage;
                        startPage = endPage - extendPage + 1;
                        t2 = "";
                    }
                }
                else
                {
                    endPage = extendPage;
                    t1 = "";
                }
            }
            else
            {
                startPage = 1;
                endPage = countPage;
                t1 = "";
                t2 = "";
            }

            StringBuilder s = new StringBuilder("");

            s.Append(t1);
            for (int i = startPage; i <= endPage; i++)
            {
                if (i == curPage)
                {
                    s.Append("<span>");
                    s.Append(i);
                    s.Append("</span>");
                }
                else
                {
                    s.Append("<a href="\" target="_blank" rel="nofflow">                    s.Append(url);
                    s.Append(pagetag);
                    s.Append("=");
                    s.Append(i);
                    if (anchor != null)
                    {
                        s.Append(anchor);
                    }
                    s.Append("\">");
                    s.Append(i);
                    s.Append("</a>");
                }
            }
            s.Append(t2);

            return s.ToString();
        }
        #endregion

        #region HTML和URL编码结果
        /// <summary>
        /// 返回 HTML 字符串的编码结果
        /// </summary>
        /// <param name="str">字符串</param>
        /// <returns>编码结果</returns>
        public static string HtmlEncode(string str)
        {
            return HttpUtility.HtmlEncode(str);
        }

        /// <summary>
        /// 返回 HTML 字符串的解码结果
        /// </summary>
        /// <param name="str">字符串</param>
        /// <returns>解码结果</returns>
        public static string HtmlDecode(string str)
        {
            return HttpUtility.HtmlDecode(str);
        }

        /// <summary>
        /// 返回 URL 字符串的编码结果
        /// </summary>
        /// <param name="str">字符串</param>
        /// <returns>编码结果</returns>
        public static string UrlEncode(string str)
        {
            return HttpUtility.UrlEncode(str);
        }

        /// <summary>
        /// 返回 URL 字符串的编码结果
        /// </summary>
        /// <param name="str">字符串</param>
        /// <returns>解码结果</returns>
        public static string UrlDecode(string str)
        {
            return HttpUtility.UrlDecode(str);
        }
        #endregion

        #region IP地址验证
        /// <summary>
        /// 验证IP地址
        /// </summary>
        /// <param name="ip">ip地址</param>
        /// <returns></returns>
        public static bool IsIP(string ip)
        {
            return Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");

        }

        /// <summary>
        /// 验证IP地址
        /// </summary>
        /// <param name="ip"></param>
        /// <returns></returns>
        public static bool IsIPSect(string ip)
        {
            return Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){2}((2[0-4]\d|25[0-5]|[01]?\d\d?|\*)\.)(2[0-4]\d|25[0-5]|[01]?\d\d?|\*)$");

        }

        /// <summary>
        /// 返回指定IP是否在指定的IP数组所限定的范围内, IP数组内的IP地址可以使用*表示该IP段任意, 例如192.168.1.*
        /// </summary>
        /// <param name="ip"></param>
        /// <param name="iparray"></param>
        /// <returns></returns>
        public static bool InIPArray(string ip, string[] iparray)
        {

            string[] userip = Utils.SplitString(ip, @".");
            for (int ipIndex = 0; ipIndex < iparray.Length; ipIndex++)
            {
                string[] tmpip = Utils.SplitString(iparray[ipIndex], @".");
                int r = 0;
                for (int i = 0; i < tmpip.Length; i++)
                {
                    if (tmpip[i] == "*")
                    {
                        return true;
                    }

                    if (userip.Length > i)
                    {
                        if (tmpip[i] == userip[i])
                        {
                            r++;
                        }
                        else
                        {
                            break;
                        }
                    }
                    else
                    {
                        break;
                    }

                }
                if (r == 4)
                {
                    return true;
                }


            }
            return false;

        }
        #endregion

        #region Assembly函数
        /// <summary>
        /// 获得Assembly版本号
        /// </summary>
        /// <returns></returns>
        public static string GetAssemblyVersion()
        {
            return string.Format("{0}.{1}.{2}", AssemblyFileVersion.FileMajorPart, AssemblyFileVersion.FileMinorPart, AssemblyFileVersion.FileBuildPart);
        }

        /// <summary>
        /// 获得Assembly产品名称
        /// </summary>
        /// <returns></returns>
        public static string GetAssemblyProductName()
        {
            return AssemblyFileVersion.ProductName;
        }

        /// <summary>
        /// 获得Assembly产品版权
        /// </summary>
        /// <returns></returns>
        public static string GetAssemblyCopyright()
        {
            return AssemblyFileVersion.LegalCopyright;
        }
        #endregion

        #region Cookie函数
        /// <summary>
        /// 写cookie值
        /// </summary>
        /// <param name="strName">名称</param>
        /// <param name="strValue">值</param>
        public static void WriteCookie(string strName, string strValue)
        {
            HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
            if (cookie == null)
            {
                cookie = new HttpCookie(strName);
            }
            cookie.Value = strValue;
            HttpContext.Current.Response.AppendCookie(cookie);

        }
        /// <summary>
        /// 写cookie值
        /// </summary>
        /// <param name="strName">名称</param>
        /// <param name="strValue">值</param>
        /// <param name="strValue">过期时间(分钟)</param>
        public static void WriteCookie(string strName, string strValue, int expires)
        {
            HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
            if (cookie == null)
            {
                cookie = new HttpCookie(strName);
            }
            cookie.Value = strValue;
            cookie.Expires = DateTime.Now.AddMinutes(expires);
            HttpContext.Current.Response.AppendCookie(cookie);

        }

        /// <summary>
        /// 读cookie值
        /// </summary>
        /// <param name="strName">名称</param>
        /// <returns>cookie值</returns>
        public static string GetCookie(string strName)
        {
            if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null)
            {
                return HttpContext.Current.Request.Cookies[strName].Value.ToString();
            }

            return "";
        }
        /// <summary>
        /// 获取记录模板id的cookie名称
        /// </summary>
        /// <returns></returns>
        public static string GetTemplateCookieName()
        {
            return TemplateCookieName;
        }
        #endregion

        #region 类型转换
        /// <summary>
        /// 将long型数值转换为Int32类型
        /// </summary>
        /// <param name="objNum"></param>
        /// <returns></returns>
        public static int SafeInt32(object objNum)
        {
            if (objNum == null)
            {
                return 0;
            }
            string strNum = objNum.ToString();
            if (IsNumeric(strNum))
            {

                if (strNum.ToString().Length > 9)
                {
                    if (strNum.StartsWith("-"))
                    {
                        return int.MinValue;
                    }
                    else
                    {
                        return int.MaxValue;
                    }
                }
                return Int32.Parse(strNum);
            }
            else
            {
                return 0;
            }
        }
        /// <summary>
        /// int型转换为string型
        /// </summary>
        /// <returns>转换后的string类型结果</returns>
        public static string IntToStr(int intValue)
        {
            //
            return Convert.ToString(intValue);
        }
        /// <summary>
        /// 判断是否为double类型
        /// </summary>
        /// <param name="Expression"></param>
        /// <returns></returns>
        public static bool IsDouble(object Expression)
        {
            return TypeParse.IsDouble(Expression);
        }

        /// <summary>
        /// string型转换为bool型
        /// </summary>
        /// <param name="strValue">要转换的字符串</param>
        /// <param name="defValue">缺省值</param>
        /// <returns>转换后的bool类型结果</returns>
        public static bool StrToBool(object Expression, bool defValue)
        {
            return TypeParse.StrToBool(Expression, defValue);
        }

        /// <summary>
        /// 将对象转换为Int32类型
        /// </summary>
        /// <param name="strValue">要转换的字符串</param>
        /// <param name="defValue">缺省值</param>
        /// <returns>转换后的int类型结果</returns>
        public static int StrToInt(object Expression, int defValue)
        {
            return TypeParse.StrToInt(Expression, defValue);
        }

        /// <summary>
        /// string型转换为float型
        /// </summary>
        /// <param name="strValue">要转换的字符串</param>
        /// <param name="defValue">缺省值</param>
        /// <returns>转换后的int类型结果</returns>
        public static float StrToFloat(object strValue, float defValue)
        {
            return TypeParse.StrToFloat(strValue, defValue);
        }
        /// <summary>
        /// 判断对象是否为Int32类型的数字
        /// </summary>
        /// <param name="Expression"></param>
        /// <returns></returns>
        public static bool IsNumeric(object Expression)
        {
            return TypeParse.IsNumeric(Expression);
        }
        /// <summary>
        /// 将全角数字转换为数字
        /// </summary>
        /// <param name="SBCCase"></param>
        /// <returns></returns>
        public static string SBCCaseToNumberic(string SBCCase)
        {
            char[] c = SBCCase.ToCharArray();
            for (int i = 0; i < c.Length; i++)
            {
                byte[] b = System.Text.Encoding.Unicode.GetBytes(c, i, 1);
                if (b.Length == 2)
                {
                    if (b[1] == 255)
                    {
                        b[0] = (byte)(b[0] + 32);
                        b[1] = 0;
                        c[i] = System.Text.Encoding.Unicode.GetChars(b)[0];
                    }
                }
            }
            return new string(c);
        }
        #endregion

        #region 文件备份恢复
        /// <summary>
        /// 备份文件
        /// </summary>
        /// <param name="sourceFileName">源文件名</param>
        /// <param name="destFileName">目标文件名</param>
        /// <param name="overwrite">当目标文件存在时是否覆盖</param>
        /// <returns>操作是否成功</returns>
        public static bool BackupFile(string sourceFileName, string destFileName, bool overwrite)
        {
            if (!System.IO.File.Exists(sourceFileName))
            {
                throw new FileNotFoundException(sourceFileName + "文件不存在！");
            }
            if (!overwrite && System.IO.File.Exists(destFileName))
            {
                return false;
            }
            try
            {
                System.IO.File.Copy(sourceFileName, destFileName, true);
                return true;
            }
            catch (Exception e)
            {
                throw e;
            }
        }
        /// <summary>
        /// 备份文件,当目标文件存在时覆盖
        /// </summary>
        /// <param name="sourceFileName">源文件名</param>
        /// <param name="destFileName">目标文件名</param>
        /// <returns>操作是否成功</returns>
        public static bool BackupFile(string sourceFileName, string destFileName)
        {
            return BackupFile(sourceFileName, destFileName, true);
        }


        /// <summary>
        /// 恢复文件
        /// </summary>
        /// <param name="backupFileName">备份文件名</param>
        /// <param name="targetFileName">要恢复的文件名</param>
        /// <param name="backupTargetFileName">要恢复文件再次备份的名称,如果为null,则不再备份恢复文件</param>
        /// <returns>操作是否成功</returns>
        public static bool RestoreFile(string backupFileName, string targetFileName, string backupTargetFileName)
        {
            try
            {
                if (!System.IO.File.Exists(backupFileName))
                {
                    throw new FileNotFoundException(backupFileName + "文件不存在！");
                }
                if (backupTargetFileName != null)
                {
                    if (!System.IO.File.Exists(targetFileName))
                    {
                        throw new FileNotFoundException(targetFileName + "文件不存在！无法备份此文件！");
                    }
                    else
                    {
                        System.IO.File.Copy(targetFileName, backupTargetFileName, true);
                    }
                }
                System.IO.File.Delete(targetFileName);
                System.IO.File.Copy(backupFileName, targetFileName);
            }
            catch (Exception e)
            {
                throw e;
            }
            return true;
        }
        /// <summary>
        /// 回复文件
        /// </summary>
        /// <param name="backupFileName">备份文件名</param>
        /// <param name="targetFileName">要回复文件名</param>
        /// <returns></returns>
        public static bool RestoreFile(string backupFileName, string targetFileName)
        {
            return RestoreFile(backupFileName, targetFileName, null);
        }
        #endregion

        #region 验证码
        /// <summary>
        /// 将字符串转换为Color
        /// </summary>
        /// <param name="color"></param>
        /// <returns></returns>
        public static Color ToColor(string color)
        {
            int red, green, blue = 0;
            char[] rgb;
            color = color.TrimStart('#');
            color = Regex.Replace(color.ToLower(), "[g-zG-Z]", "");
            switch (color.Length)
            {
                case 3:
                    rgb = color.ToCharArray();
                    red = Convert.ToInt32(rgb[0].ToString() + rgb[0].ToString(), 16);
                    green = Convert.ToInt32(rgb[1].ToString() + rgb[1].ToString(), 16);
                    blue = Convert.ToInt32(rgb[2].ToString() + rgb[2].ToString(), 16);
                    return Color.FromArgb(red, green, blue);
                case 6:
                    rgb = color.ToCharArray();
                    red = Convert.ToInt32(rgb[0].ToString() + rgb[1].ToString(), 16);
                    green = Convert.ToInt32(rgb[2].ToString() + rgb[3].ToString(), 16);
                    blue = Convert.ToInt32(rgb[4].ToString() + rgb[5].ToString(), 16);
                    return Color.FromArgb(red, green, blue);
                default:
                    return Color.FromName(color);

            }
        }


        /// <summary>
        /// 验证码生成的取值范围
        /// </summary>
        private static string[] verifyCodeRange = { "0","1","2","3","4","5","6","7","8","9",
                                                    "a","b","c","d","e","f","g",
                                                    "h",    "j","k",    "m","n",
                                                        "p","q",    "r","s","t",
                                                    "u","v","w",    "x","y"
       
                                                  };

        /// <summary>
        /// 产生验证码
        /// </summary>
        /// <param name="len">长度</param>
        /// <returns>验证码</returns>
        public static string CreateAuthStr(int len)
        {
            int number;
            StringBuilder checkCode = new StringBuilder();

            Random random = new Random();

            for (int i = 0; i < len; i++)
            {
                number = random.Next();

                if (number % 2 == 0)
                {
                    checkCode.Append((char)('0' + (char)(number % 10)));
                }
                else
                {
                    checkCode.Append((char)('A' + (char)(number % 26)));
                }

            }

            return checkCode.ToString();
        }

        /// <summary>
        /// 产生验证码
        /// </summary>
        /// <param name="len">长度</param>
        /// <param name="OnlyNum">是否仅为数字</param>
        /// <returns></returns>
        public static string CreateAuthStr(int len, bool OnlyNum)
        {
            int number;
            StringBuilder checkCode = new StringBuilder();

            Random random = new Random();

            for (int i = 0; i < len; i++)
            {
                if (!OnlyNum)
                {
                    number = random.Next(0, verifyCodeRange.Length);
                }
                else
                {
                    number = random.Next(0, 10);
                }
                checkCode.Append(verifyCodeRange[number]);
            }

            return checkCode.ToString();
        }
        #endregion

        #region 其他
        /// <summary>
        /// 为脚本替换特殊字符串
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string ReplaceStrToScript(string str)
        {
            str = str.Replace("\\", "\\\\");
            str = str.Replace("'", "http://www.cnblogs.com/shawen/admin/file:///");
            str = str.Replace("\"", "\\\"");
            return str;
        }
        /// <summary>
        /// 得到请求的真实路径
        /// </summary>
        /// <returns></returns>
        public static string GetTrueForumPath()
        {
            string forumPath = HttpContext.Current.Request.Path;
            if (forumPath.LastIndexOf("/") != forumPath.IndexOf("/"))
            {
                forumPath = forumPath.Substring(forumPath.IndexOf("/"), forumPath.LastIndexOf("/") + 1);
            }
            else
            {
                forumPath = "/";
            }
            return forumPath;

        }

        public static bool IsRuleTip(Hashtable NewHash, string ruletype, out string key)
        {
            key = "";
            foreach (DictionaryEntry str in NewHash)
            {

                try
                {
                    string[] single = SplitString(str.Value.ToString(), "\r\n");

                    foreach (string strs in single)
                    {
                        if (strs != "")


                            switch (ruletype.Trim().ToLower())
                            {
                                case "email":
                                    if (IsValidDoEmail(strs.ToString()) == false)
                                        throw new Exception();
                                    break;

                                case "ip":
                                    if (IsIPSect(strs.ToString()) == false)
                                        throw new Exception();
                                    break;

                                case "timesect":
                                    string[] splitetime = strs.Split('-');
                                    if (Utils.IsTime(splitetime[1].ToString()) == false || Utils.IsTime(splitetime[0].ToString()) == false)
                                        throw new Exception();
                                    break;

                            }

                    }


                }
                catch
                {
                    key = str.Key.ToString();
                    return false;
                }
            }
            return true;

        }

        /// <summary>
        /// 删除最后一个字符
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string ClearLastChar(string str)
        {
            if (str == "")
                return "";
            else
                return str.Substring(0, str.Length - 1);
        }

        /// <summary>
        /// 清理字符串
        /// </summary>
        public static string CleanInput(string strIn)
        {
            return Regex.Replace(strIn.Trim(), @"[^\w\.@-]", "");
        }

        /// <summary>
        /// 返回URL中结尾的文件名
        /// </summary> 
        public static string GetFilename(string url)
        {
            if (url == null)
            {
                return "";
            }
            string[] strs1 = url.Split(new char[] { '/' });
            return strs1[strs1.Length - 1].Split(new char[] { '?' })[0];
        }

        /// <summary>
        /// 根据阿拉伯数字返回月份的名称(可更改为某种语言)
        /// </summary>
        public static string[] Monthes
        {
            get
            {
                return new string[] { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" };
            }
        }
        #endregion
    }


}