java简单实现记住密码功能
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>jsp 利用cookie 记住用户名和密码</title></head><%if (request.getParameter("rember") != null) {//记住密码一般不把密码直接保存到cookie中，可以把用户ID值保存到cookie中Cookie cookie = new Cookie("userName", request.getParameter("userName"));cookie.setMaxAge(360 * 24 * 60 * 60);response.addCookie(cookie);}Cookie cookies[] = request.getCookies();try {out.println(cookies.length);for (int i = 0; i < cookies.length; i++) {out.println(cookies[i].getName() + ":" + cookies[i].getValue());}} catch (Exception e) {out.println("您上次未记住密码");}%><body><form id="remberPassword_form" name="remberPassword" method="post"action=""><table><tr><th>用户名:</th><td><input name="userName" /></td></tr><tr><th>密码:</th><td><input name="password" type="password" /></td></tr><tr><th>记住密码</th><td><input type="checkbox" name="rember" /> <inputtype="submit" value="提交" /></td></tr></table></form></body></html>
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