<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><!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>登录页面</title></head><!-- <script type="text/javascript" src="/js/lib/test.js"></script> --><!-- <link rel="StyleSheet" href="/css/menu.css" type="text/css" /> --><script type="text/javascript">var xmlhttp;function loadXMLDoc(url, cfunc) {if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safarixmlhttp = new XMLHttpRequest();} else {// code for IE6, IE5xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");}xmlhttp.onreadystatechange = cfunc;xmlhttp.open("post", url, true);xmlhttp.send();}function myFunction() {loadXMLDoc("/j/LoginAction?username=1213&password=1213", function(){if (xmlhttp.readyState == 3) { // 系统请求过程中document.getElementById("tips").innerHTML = "系统请求中.....";}if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {document.getElementById("myDiv").innerHTML = xmlhttp.responseText;document.getElementById("tips").innerHTML = "";}});}</script><body><form action="/j/LoginAction">username:<input type="text" name="username"><br>password:<input type="password" name="password"><br> <inputtype="submit" value="submit"></form><div id="myDiv"><h3>Let AJAX change this text</h3></div><div id="tips"><h3></h3></div><button type="button" onclick="myFunction()">Change Content</button></body></html>jQuery.ajax({ type : "post", url : "/j/LoginAction?username=aaaaaa&password=dddd", dataType : "text", success : function(result) { var rs = eval("(" + result + ")"); $("#tips").html(rs.result.username + rs.result.password); }, error : function(result, status) { //如果没有上面的捕获出错会执行这里的回调函数 alert(status); }});
