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ddd

    博客分类:
  • ddd
/eContract/EHRZKJ2021060816181535513707078189774767/26b00af7ffef431ba44a61664b597210
1、查看linux机器是32位还是64位的方法: file /sbin/init 或者file /bin/ls /bin/ls: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.32, BuildID[sha1]=3d705971a4c4544545cb78fd890d27bf792af6d4, stripped   2、下载JDK压缩包: http://download.oracle.com/otn-pub/j ...

导出CSV文件

    博客分类:
  • JAVA
  import java.io.BufferedWriter; import java.io.File; import java.io.FileOutputStream; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.commons.io.IOUtils; import org.apache.commons.la ...
import java.util.HashSet; import java.util.Set; import javax.swing.text.html.HTMLEditorKit; import org.apache.commons.lang.StringEscapeUtils; import org.htmlparser.Node; import org.htmlparser.NodeFilter; import org.htmlparser.Parser; import org.htmlparser.util.NodeList; import org.slf4j ...
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); File file = new File("D:/test/date.xml"); org.w3c.dom.Document document = builder.parse(file); 用sun的JDK,当这段代码解析错误时,应该程序没结束,date.xml文件是无法删除的。 这时应该采用下面这种方式,在fina ...

applet笔记

有个任务关于applet上载文件组件,嵌入网页。 1、界面不够熟悉的话可以下载Eclipse插件Jigloo GUI Builder,插件下载地址:http://cloudgarden.com/jigloo/ ,这个插件画界面很不错。 2、创建DemoApplet类,继承java.applet.Applet,实现界面和相关功能。 3、导出DemoApplet.jar 4、对jar进行数字签字,两种方式 1)ant脚本 <target name="jarsigner" depends="DemoApplet.jar" description ...

ant 安装

    博客分类:
  • JAVA
1、ant下载http://ant.apache.org/bindownload.cgi 2、解压到一个目录,以D:\000_ant为例 3、配置环境变量:                         ant_home:D:\000_ant                         java_home:C:\Program Files\Java\jdk1.6.0_20                         path:%java_home%\bin;%ant_home%\bin; 4、查看ant是否成功安装,在CMD输入:ant -version 5、如果cmd显 ...

Pattern例子

    博客分类:
package com.test; import java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegexTest { public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.println("Enter pattern:"); String patternStr = in. ...

版本控制

msysgit 1.7.8 http://code.google.com/p/msysgit/downloads/detail?name=Git-1.7.8-preview20111206.exe&can=2&q=   SVN http://subversion.tigris.org/files/documents/15/47848/Setup-Subversion-1.6.6.msi
public class LogConnectionManager { private static URLConnection conn = null; public static URLConnection getURLConnection() { try { URL url = new URL("http://127.0.0.1:8888/appletserver/logServlet"); conn = url.openConnection(); if(urlConn instanceof HttpURLConn ...
 web.xml   <?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xm ...

SWING 表格

    博客分类:
  • JAVA
blic class StudentNameCell extends DefaultTableCellRenderer private static final long serialVersionUID = 1L; public Component getTableCellRendererComponent(JTable table, Object obj, boolean isSelected, boolean hasFocus, int row, int column) { if(row%2 == 0){ ...

java 反射

    博客分类:
  • JAVA
在运行时从某些外部源读取类名反射不适合   private Object reflectClassByInstance(Object instance, String methodName, Object[] parameterObjects) { try { Class c = Class.forName("java.util.logging.LogManager"); Constructor constructor = c.getDeclaredCo ...

Iterator

    博客分类:
  • JAVA
    public static void main(String[] args) { Map<String, Integer> hashmap = new HashMap<String, Integer>(); long e = System.currentTimeMillis(); // for (int i = 0; i < 1000000; i++) { // hashmap.put(i,"bsdfsewfasdfasf"+i); // } hashmap.put("cc",1) ...

jxl读取excel

    博客分类:
  • JAVA
public class TestJXLRead { public static void main(String[] args) throws Exception { TestJXLRead testJXL = new TestJXLRead(); testJXL.readExcelFile("C:/testExcel.xls"); } public static void readExcelFile(String excelFileName) throws Exception{ File ...
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