<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script src="Scripts/jquery-1.8.2.min.js"></script> <script src="Scripts/jquery.cookie.js"></script> <script type="text/javascript"> $(function () { $("#btnLogin").click(function () { var strName = $("#txtName").val(); var strPwd = $("#txtPwd").val(); if (strName == "sa" && strPwd == "123") { $.cookie("userName", strName, { expires: 1 });//没有设置失效时间,所以是缓存cookie,有设置失效时间则是硬盘cookie,expires单位是天 alert("登陆成功"); window.location.href = "11Index.html"; } }); }); </script> </head> <body> 用户名:<input type="text" id="txtName" /><br /> 密码:<input type="text" id="txtPwd" /><br /> <input type="button" id="btnLogin" value="登录" /> </body> </html>
登陆后的页面
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script src="Scripts/jquery-1.8.2.min.js"></script> <script src="Scripts/jquery.cookie.js"></script> <script type="text/javascript"> $(function () { var strName = $.cookie("userName"); if (strName && strName != "")//判断既不为null也不为undefined 和不为空字符串 { $(‘#userName‘).text(); } else { alert("请先登录"); window.location = ‘10Cookie.html‘; } }); //退出方法 function exit() { $.cookie("userName", "", { expires: -1 });//设置过期 alert("退出成功"); } </script> </head> <body> 首页,欢迎<span id="userName"></span> <a href="javascript:exit()">退出登录</a> </body> </html>
10Cookie
时间: 2024-11-04 19:14:15