日期:2014-05-16 浏览次数:20446 次
Cookie是服务器存放在客户端的一些数据,比如密码,以及你曾经访问过的一些数据。
//设置cookie Cookie cookie = new Cookie("TOM","111"); //设置有效期,默认秒为单位 cookie. setMaxAge(7*24*60*60); //添加cookie到客户端 response.addCookie(cookie);
<% //获取cookie Cookie[] cookies = request.getCookies(); if(cookies!=null && cookies.length>0) { for(int i=0; i<cookies.length;i++) { out.print(cookies[i].getName() +"————"+ cookies[i].getValue() + "<br/>"); } } %>
strings[j]=java.net.URLEncoder.encode(list.get(i-1)[j],"UTF-8");
out.print(java.net.URLDecoder.decode(cookies[i].getValue(),"UTF-8") + "<br/>");
<script language="javascript"> function deletegoods(obj) { var rowIndex = obj.parentNode.parentNode.rowIndex; var table = document.getElementById("table"); table.deleteRow(rowIndex); } </script>
以数组模拟选择过程,并把所有的选择项放入Arraylist中。
<%@page import="java.util.ArrayList"%> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" import="java.util.*"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title></title> <script language="javascript"> function deletegoods(obj) { var rowIndex = obj.parentNode.parentNode.rowIndex; var table = document.getElementById("table"); table.deleteRow(rowIndex); } </script> </head> <body> <p> <% //设置cookie ArrayList<String[]> list = new ArrayList<String[]>(); list.add(new String[]{"1001","img/1.jpg","经典基本款低帮帆布女鞋2.0 粉绿色","#","39","¥69.00","1"}); list.add(new String[]{"1002","img/2.jpg","基础罗纹Y字吊带背心 奶蓝色","#","m","¥9.00","1"}); int times = 1*24*60*60; for(int i=1;i<=list.size();i++){ String[] strings = new String[list.get(i-1).length]; for(int j=0;j<list.get(i-1).length;j++){ strings[j]=java.net.URLEncoder.encode(list.get(i-1)[j],"UTF-8"); } Cookie cookie = new Cookie("item_id_"+i,strings[0]); cookie.setMaxAge(times); response.addCookie(cookie); cookie = new Cookie("item_img_"+i,strings[1]); cookie.setMaxAge(times); response.addCookie(cookie); cookie = new Cookie("item_title_"+i,strings[2]); cookie.setMaxAge(times); response.addCookie(cookie); cookie = new Cookie("item_URL_"+i,strings[3]); cookie.setMaxAge(times); response.addCookie(cookie); cookie = new Cookie("item_size_"+i,strings[4]); cookie.setMaxAge(times); response.addCookie(cookie); cookie = new Cookie("item_price_"+i,strings[5]); cookie.setMaxAge(times); response.addCookie(cookie); cookie = new Cookie("item_number_"+i,strings[6]); cookie.setMaxAge(times); response.addCookie(cookie); } %> <% //获取cookie Cookie[] cookies = request.getCookies(); if(cookies!=null && cookies.length>0) { for(int i=0; i<cookies.length;i++) { out.print(cookies[i].getName() +"————"+ java.ne