uploadify 上传文件

js：

<script type="text/javascript" src="<%=path%>/js/jquery/jquery.uploadify.js?f=<%=System.currentTimeMillis()%>"></script>
 <link type="text/css" rel="stylesheet" href="<%=path%>/css/uploadify/uploadify.css" />

<script type="text/javascript">

$(function() {
                $('#file_upload').uploadify({
                    'uploader' : '<%=path%>/upload/FileUpload',
                    'swf'      : 'uploadify.swf',
                    'auto' : true, 
                    //'requeueErrors' : false,
                    'fileTypeDesc' : 'apk',
                    'fileTypeExts' : '*.apk',
                    'buttonText' : '浏览',
                    'queueID': 'fileQueue',
                    'height'   : 20,
                    'width'    : 70,
                    //'removeCompleted':false,
                    'removeTimeout' : 0.01,
                    //'queueSizeLimit':1,
                    //'uploadLimit' : 1,
                    //'method':'post',
                    'multi':false,
                    'onDialogClose'  : function(queueData) {
                        $('#file_upload').uploadify('disable', true);
                        $('#apkname').hide();
                        $('#fileQueue').show();
                    },
                    'onUploadComplete' : function(file) {
                        $('#file_upload').uploadify('disable', false);
                    },
                    'onUploadSuccess' : function(file, data, response) {
                        //alert('文件 ' + file.name + ' 上传成功.详细信息： ' + response + ':' + data);
                        if(response){
                            $('#apkname').val(file.name);
                            $('#apkmd5').val(data);
                            $('#fileQueue').hide();
                            $('#apkname').show();
                            $('#apknameERR').hide();
                        }
                    },
                    'onCancel' : function(file) {
                        $('#apkname').val("");
                        $('#apkmd5').val("");
                        $('#fileQueue').hide();
                        $('#apkname').show();
                    }
                });
            });

</script>

 

body：

<input type="file" name="file_upload" id="file_upload" />

 

 

servlet：

package upload;

import java.io.File; 
import java.io.FileInputStream;
import java.io.IOException; 
import java.io.InputStream;
import java.io.PrintWriter; 
import java.util.Iterator; 
import java.util.List; 
import javax.servlet.ServletException; 
import javax.servlet.http.HttpServlet; 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
import org.apache.commons.fileupload.FileItem; 
import org.apache.commons.fileupload.FileUploadException; 
import org.apache.commons.fileupload.disk.DiskFileItemFactory; 
import org.apache.commons.fileupload.servlet.ServletFileUpload; 

import util.FileUtil;
import util.UrlUtil;
import util.Util;
//@SuppressWarnings("serial") 
public class FileUpload extends HttpServlet  
{ 
     //定义文件上传的路径 
      public static String uploadPath = Util.getProPath("NEWDATA"); 
    //  private String uploadPath = "d://NEWDATA//"; 
//        private String uploadPath = "/home/NEWDATA/";   
       
      public static String apkpath = Util.getProPath("APKFILEPATH"); 
      public static String md5 = ""; 
      public static String dbsavePath =Util.getProPath("DBSAVEPATH"); 
      public static String apkname="";
     
        private int maxPostSize = 100*1024*1024; 
        public FileUpload()  
        { 
            super(); 
        } 
        public void destroy()  
        { 
            super.destroy();  
        } 
         
//        @SuppressWarnings("unchecked") 
        protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException,IOException 
        { 
           
            System.out.println("uploadPath:"+uploadPath);
            File tepmfile=new File(uploadPath);
            if (!tepmfile.exists()) {
                tepmfile.mkdirs();
            }
            System.out.println("apkpath:"+apkpath);
            File apkfile=new File(apkpath);
            if (!apkfile.exists()) {
                apkfile.mkdirs();
//                try {
//                    Thread.sleep(6*1000);
//                } catch (InterruptedException e) {
//                    e.printStackTrace();
//                }
            }
           
            String tempPath = "";
            String filename = "";
            System.out.println("Access!"); 
            response.setContentType("text/html;charset=UTF-8"); 
            request.setCharacterEncoding("utf-8");
            response.setCharacterEncoding("utf-8");
            PrintWriter out = response.getWriter(); 
//            out.print("已连接上!"); 
             
            //保存文件到服务器中 
            DiskFileItemFactory factory = new DiskFileItemFactory(); 
            factory.setSizeThreshold(4096); 
            ServletFileUpload upload = new ServletFileUpload(factory); 
            upload.setSizeMax(maxPostSize); 
            try 
            { 
                List fileItems = upload.parseRequest(request); 
                Iterator iter = fileItems.iterator(); 
                while(iter.hasNext()) 
                { 
                    FileItem item = (FileItem)iter.next(); 
                    if(!item.isFormField()) 
                    { 
                        filename = item.getName(); 
                        System.out.println(filename); 
                        apkname=filename;
                        try 
                        { 
                            tempPath = uploadPath+filename;
                            item.write(new File(tempPath)); 
                        } 
                        catch(Exception e) 
                        { 
                            e.printStackTrace(); 
                        } 
                    } 
                } 
//                out.print("11111");
               
                InputStream in = null;
                in = new FileInputStream(tempPath);
                String fileName = tempPath;
                String apkmd5 = Util.byteArray2HEXString(FileUtil.md5sum(in));
                md5=apkmd5;
                String savetoFile = apkpath+apkmd5+".apk";
                if(!FileUtil.FileExist(savetoFile)){
                    System.out.println("以字节为单位读取文件内容，一次读多个字节：");
                    // 一次读多个字节
                    byte[] tempbytes = new byte[1024*1024];
                    int byteread = 0;
                    int fileSeek = 0;
                    in = new FileInputStream(fileName);
                    FileUtil.showAvailableBytes(in);
                    // 读入多个字节到字节数组中，byteread为一次读入的字节数
                    while ((byteread = in.read(tempbytes)) != -1) {
                        FileUtil.writeFile(savetoFile, tempbytes, fileSeek,byteread);
                        fileSeek += tempbytes.length; //读取文件指针
                    }
                    if( FileUtil.FileSize(fileName) == FileUtil.FileSize(savetoFile+".tp") ){
                        FileUtil.FileRename(savetoFile+".tp", savetoFile);
                    }
                }else{
//                    String apkuploadpath = Util.getProPath("FILE_APK_URL");
//                    System.out.println("同步文件："+apkmd5+".apk"+">>>>>>>>>"+apkuploadpath);
//                    System.out.println("本地路径："+savetoFile);
//                    String url = Util.getProPath("FILESERVER")+ "?type=apkmd5&md5=" + apkmd5;
//                    System.out.println("url："+url);
//                    if(!UrlUtil.getHasFile(url)){
//                        try{
//                            System.out.println("同步文件："+filename+">>>>>>>>>"+apkuploadpath);
//                            FileUtil.updfile( apkuploadpath , savetoFile, apkmd5+".apk");
//                            System.out.println("同步完毕。。。");
//                        }catch(Exception e)
//                        {
////                        log.error("",e);
//                            System.out.println("apk文件同步出错:"+e.getMessage());
//                            //FileUtil.saveErrFile(Config.GetInstance().getApkurl() , filepath, filename);
//                            e.printStackTrace();
//                        }
//                    }
                }
                out.print(apkmd5);
            } 
            catch(FileUploadException e) 
            { 
                e.printStackTrace(); 
                System.out.println(e.getMessage()+"结束"); 
            }  finally{
                if(out != null){
                    out.close();
                }
            }
        } 
        public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException  
        { 
            processRequest(request, response); 
        } 
        public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException  
        { 
            processRequest(request, response); 
        } 
} 

 

web.xml:

<servlet> 
        <servlet-name>FileUpload</servlet-name> 
        <servlet-class>upload.FileUpload</servlet-class> 
    </servlet> 
    <servlet-mapping> 
        <servlet-name>FileUpload</servlet-name> 
        <url-pattern>/upload/FileUpload</url-pattern> 
    </servlet-mapping>