12 2013 档案

java_可变参数构造器 Bulder模式
摘要：package com.test1.www;class NutritionFacts { //必须 private int servingSize; private int servings; //可选， Build类必须初始化 private int calories; private int f... 阅读全文
posted @ 2013-12-26 01:02 MrMrCash 阅读(345) 评论(0) 推荐(0)
java_利用session校验图片认证码
摘要：RegisterServlet：检验server，client验证码是否一致ImageServlet:产生验证码Register.html 用户名: 密码: 认证码： RegisterServlet：public class RegisterServlet extends Http... 阅读全文
posted @ 2013-12-21 22:43 MrMrCash 阅读(172) 评论(0) 推荐(0)
java_客户端防表单重复提交和服务器端session防表单重复提交
摘要：用户输入FormServlet链接FormServlet-〉form.jsp->DoFormServletFormServlet:产生token，放在session中form.jsp：hidden拿到token数据 并一同提交到>DoFormServletDoFormServlet：检测是否重复提交... 阅读全文
posted @ 2013-12-21 22:35 MrMrCash 阅读(231) 评论(0) 推荐(0)
java_Cookies_1_商品浏览历史记录servlet2
摘要：public class CookiesServlet2 extends HttpServlet { // 显示商品详细信息 public void doGet(HttpServletRequest request, HttpServletResponse response) throws Se... 阅读全文
posted @ 2013-12-11 00:36 MrMrCash 阅读(176) 评论(0) 推荐(0)
java_Cookies_1_商品浏览历史记录servlet1
摘要：public class CookiesServlet1 extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletExcepti... 阅读全文
posted @ 2013-12-11 00:35 MrMrCash 阅读(193) 评论(0) 推荐(0)
java_Cookie添加和删除
摘要：public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setCharacterEncoding("... 阅读全文
posted @ 2013-12-10 00:21 MrMrCash 阅读(224) 评论(0) 推荐(0)
java_Cookie_example（你上次访问的时间）
摘要：public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setCharacterEncoding("... 阅读全文
posted @ 2013-12-09 23:45 MrMrCash 阅读(221) 评论(0) 推荐(0)
java_IO读写模版
摘要：InputStream in = null; OutputStream out = null; try{ in = new FileInputStream(); int len=0; byte buffer[] = new byte[1024]; out = new Fi... 阅读全文
posted @ 2013-12-06 23:57 MrMrCash 阅读(110) 评论(0) 推荐(0)