导航

随笔分类 -  代码

Java读取excel

摘要：public static List<List<String>> readxls(String fileName) throws BiffException, IOException { List<List<String>> list = new ArrayList<List<String>>(); File file = new File(fileName); Workbook workbook = Workbook.getWorkbook(file); int sheets = workbook.getNumberOf 阅读全文

posted @ 2012-07-05 10:54 baiyangliu 阅读(122) 评论(0) 推荐(0)

Servlet验证码

摘要：package com.rockton.xpa.servlet; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.image.BufferedImage; import java.io.IOException; import java.util.Random; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet... 阅读全文

posted @ 2012-06-29 17:20 baiyangliu 阅读(138) 评论(0) 推荐(0)

我叫你删不掉！

摘要：我叫你删不掉！ 阅读全文

posted @ 2012-06-12 09:12 baiyangliu 阅读(123) 评论(0) 推荐(0)

Java实现MD5加密

摘要：package util; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; /** * MD5加密 * * @author baiyang * */ public class MD5 { /** * 加密字符串 * * @params 待加密字符串 * @return 加密后的结果 */ public static String getMD5(String s) { StringBuilder buf = newStringBui... 阅读全文

posted @ 2012-06-07 11:33 baiyangliu 阅读(161) 评论(0) 推荐(0)

Java获取字符串Unicode编码

摘要：public static String getUnicode(String str) { char[] cs = str.toCharArray(); String result = ""; for (char c : cs) { String s = Integer.toHexString(c); if (s.length() == 2) { s = "\\u00" + s; } else { s = "\\u" + s; } result += s; } return result; } 阅读全文

posted @ 2012-06-06 14:47 baiyangliu 阅读(1143) 评论(0) 推荐(0)

Div弹出层

摘要：<!DOCTYPE html PUBLIC "-//W3C//DTDXHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htmlxmlns="http://www.w3.org/1999/xhtml"> <head> <metahttp-equiv="Content-Type" content="text/html;charset=utf-8& 阅读全文

posted @ 2012-06-06 14:44 baiyangliu 阅读(112) 评论(0) 推荐(0)

Servlet断点续传下载

摘要：package baiyang; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintWriter; import java.net.URLDecoder; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; impo.. 阅读全文

posted @ 2012-06-06 14:40 baiyangliu 阅读(370) 评论(0) 推荐(0)

Java压缩解压文件/文件夹

摘要：package com.zip; import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.Enumeration; import java.util.zip.CRC32; import java.util.. 阅读全文

posted @ 2012-06-06 14:28 baiyangliu 阅读(223) 评论(0) 推荐(0)