xmlDoc，xmlHttp
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><script type="text/javascript"> <!-- var xmlHttp ;//发送请求接受响应 function createXMLHttpRequest(){ if(window.ActiveXObject){ xmlHttp = new ActiveXObject("Microsoft.XMLHTTP") ; } else if(window.XMLHttpRequest){ xmlHttp = new XMLHttpRequest() ; } } function checkUser(){ createXMLHttpRequest() ; var name = document.getElementById("username").value ; var password = document.getElementById("password").value ; var url = "servlet/Login_check?username="+name+"&password="+password ; xmlHttp.open("GET",url,true) ; xmlHttp.onreadystatechange = showResult ; xmlHttp.send(null) ; } //回调函数 function showResult(){ if(xmlHttp.readyState == 4){ if(xmlHttp.status == 200){ var result = xmlHttp.responseText;//在页面上显示返回的结果 alert("result:"+result) ; if(result=="OK"){ alert("if执行了么") ; window.location.href ="test.html?name=test" ; }else{ document.getElementById("checkResult").innerHTML="<b>"+result+"</b>" ; } } } } //--> </script></head><body>ajax<br>username:<input type="text" id="username"><div id="checkResult"></div><p>password:<input type="password" id="password"><p><input type="button" value="check" ><p></body></html>----------------------------------------------------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title>test.html</title><meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="this is my page"><meta http-equiv="content-type" content="text/html; charset=UTF-8"><!--<link rel="stylesheet" type="text/css" href="./styles.css">--></head><script type="text/javascript">// 保存读到的XMLvar xml = null;var CurrentDate;/* 获取XML对象 */function loadXmlDoc(xmlUrl) {try {//创建IE的xml文档xmlDoc = new ActiveXObject("Microsoft.XMLDOM");} catch (e) {try {//创建FF的xml文档xmlDoc = document.implementation.createDocument("", "", null);} catch (e) {alert(e.message)}}try {//关闭异步加载xmlDoc.async = false;xmlDoc.load(xmlUrl);return (xmlDoc);} catch (e) {alert(e.message)}return (null);}function getPropValues() {var nodeName = document.getElementById("nodeName").value;var propName = document.getElementById("propName").value;alert(propName + "这。");if (nodeName == "") {alert("输入结点名");return;}if (xml == null) {xml = loadXmlDoc("data.xml");alert("DOM对象以创建");}// 返回文档中具有指定标记名的所有Element节点var nodes = xml.getElementsByTagName(nodeName);if (nodes == null) {document.getElementById("result").innerText = "所输入的结点名不存在";return;}var results = "";if (propName != "" && nodes.getAttribute(propName) == null) {document.getElementById("result").innerText = "结点不存在所输入 的属性名";return;}for ( var i = 0; i < nodes.length; i++) {if (propName != null && propName != "") {results += nodes.getAttribute(propName) + "\n";} else {alert("执行了么~");results += nodes.childNodes.nodeValue + "\n"; //childNodes以Node的形式存放当前节点的子节点。如果没有子节点，则返回空数组。}}document.getElementById("result").innerHTML = results;}//根据xpath返回xml节点function readXmlNode(node, xpath) {try {if (node == null || xpath == null) {return null;} else {var result = node.selectSingleNode(xpath);if (result == null) {return null;} else {return result;}}} catch (e) {return null;}}//根据xpath取xml节点属性的值function readXmlAttrValue(node, xpath, attrName) {try {if (node == null || xpath == null) {return null;} else {var result = node.selectSingleNode(xpath);if (result == null) {return null;} else {return result.getAttribute(attrName);}}} catch (e) {return null;}}/*-----------------------------------------------------------------------*/function readTime1() {var date = new Date();CurrentDate = ChangeTimeToString(date);//alert("hello ");//alert(CurrentDate);var t = setTimeout("alert(CurrentDate)", 5000);}function readTime2() {var date = new Date();CurrentDate = ChangeTimeToString(date);//alert(CurrentDate);var t = setInterval("alert(CurrentDate)", 5000);}// 将日期类型转换成字符串型格式yyyy-MM-dd hh:mmfunction ChangeTimeToString(DateIn) {var Year = 0;var Month = 0;var Day = 0;var Hour = 0;var Minute = 0;var CurrentDate = "";//初始化时间Year = DateIn.getYear();Month = DateIn.getMonth() + 1;Day = DateIn.getDate();Hour = DateIn.getHours();Minute = DateIn.getMinutes();CurrentDate = Year + "-";if (Month >= 10) {CurrentDate = CurrentDate + Month + "-";} else {CurrentDate = CurrentDate + "0" + Month + "-";}if (Day >= 10) {CurrentDate = CurrentDate + Day;} else {CurrentDate = CurrentDate + "0" + Day;}if (Hour >= 10) {CurrentDate = CurrentDate + " " + Hour;} else {CurrentDate = CurrentDate + " 0" + Hour;}if (Minute >= 10) {CurrentDate = CurrentDate + ":" + Minute;} else {CurrentDate = CurrentDate + ":0" + Minute;}return CurrentDate;}/*------------------------------------------------------------------*/function writeStream() {var fso, tf;fso = new ActiveXObject("Scripting.FileSystemObject");tf = fso.CreateTextFile("D:/workspace/studyTest/WebRoot/test.txt", true);var textArea = document.getElementById("result")tf.WriteLine(textArea.innerText);tf.WriteBlankLines(2);tf.Close();}/*---------------------------------------------------------------------*/function findAll() {if (xml == null) {xml = loadXmlDoc("data.xml");//alert("DOM对象以创建");}var results = "";var nodes = xml.documentElement;//根节点var childs = nodes.childNodes;//子节点数组for ( var x = 0; x < childs.length; x++) {if (childs.nodeType == 1) {var child = childs.childNodes; //子节点的下一级子节点for ( var y = 0; y < child.length; y++) {var arrylist = child.attributes;//属性列表if (arrylist.length <= 0) {results += child.nodeName + ":"+ child.childNodes.nodeValue + "\n";} else {for ( var z = 0; z < arrylist.length; z++) {//document.write(child.nodeName + "\n");//alert(arrylist.nodeName);//alert(child)results += child.nodeName+":"+arrylist.nodeName + ":"+ arrylist.nodeValue + "\n"; //arrylist.text获得 属性的值}}}}}document.getElementById("result").innerHTML = results;}/*---------------------------------------------------------------------------------------------------------------------*/function getValueByNode() {if (xml == null) {xml = loadXmlDoc("data.xml");alert("DOM对象已创建");}var nodeName = document.getElementById("nodeName").value;alert("nodeName:" + nodeName);var propName = document.getElementById("propName").value;alert("propName:" + propName);var results = "";//节点名为nodeName的所有元素节点if (nodeName != null && "" != nodeName) {var nodes = xml.getElementsByTagName(nodeName);alert("nodes的长度：" + nodes.length);if (propName != null && "" != propName) {for ( var x = 0; x < nodes.length; x++) {results += propName + ":" + nodes.getAttribute(propName)+ "\n";}} else {results += nodeName + ":" + nodes.childNodes.nodeValue+ "\n";}} else {alert("节点名称不能为空");}document.getElementById("result").innerText = results;}//接受网址上的参数function getParameter() { //获得urlvar url = window.location.href;alert("url:"+url);var aa = url.indexOf('=');alert("aa:"+aa);if (aa == -1) {return "";} else {url = url.substring(aa + 1);window.alert(url);}return url;}function showView() {var url = getParameter();document.getElementById("showView").innerText = "欢迎," + url;}</script><body onload=showView()><div id="showView"></div>输入结点名：<input type="text" id="nodeName" /><br />输入属性名：<input type="text" id="propName" /><br /><input type="button" value="提交"/><br /><textarea id="result" style="width: 200px; height: 60px;"></textarea><br /><button >显示当前日期1</button><button >显示当前日期2</button><button >写如文件</button><button >遍历XML</button></body></html>
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