日期:2014-05-16 浏览次数:20720 次
<%@ page language="java" contentType="text/html; charset=gbk"%> <%@taglib prefix="s" uri="/struts-tags"%> <html> <head> <title>ajax and struts2</title> <SCRIPT type="text/javascript"> var count = 0; //计数器,防止用户多次点击button var xmlHttpReq; //XMLHttpRequest 对象 function showHistory(name){ //显示历史记录的函数 if(count > 0) { //多次点击无效 return } if(window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlHttpReq = new XMLHttpRequest() } else {// code for IE6, IE5 xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP") } if(xmlHttpReq != null) { xmlHttpReq.onreadystatechange = onResponse //存储函数(或函数名),每当 readyState 属性改变时,就会调用该函数 xmlHttpReq.open("POST","Record_ShowRentHistory?name="+name+"",true) //使用post方式请求并传递name xmlHttpReq.send() // 将请求发送到服务器 } } function onResponse() { if(xmlHttpReq.readyState == 4) { //请求已完成,且响应已就绪 if(xmlHttpReq.status == 200) { //200: "OK";404: 未找到页面 x = xmlHttpReq.responseXML.getElementsByTagName("column"); //得到column标签 if(x.length > 0) { //xml文件含有数据 var tableshow = document.getElementById('historytable'); tableshow.style.display="" //原来设置为不显示table,有数据则显示table for(i=0;i<x.length;i++) { //循环读取xml文件中的数据 try{ var tablex =document.getElementById('historytable').insertRow(i+1) //table增加一行 tablex.align="center" //数据居中显示 var insertName = tablex.insertCell(0) //第一列,依次类推 var insertId = tablex.insertCell(1) var insertBikeId = tablex.insertCell(2) var insertStartTime= tablex.insertCell(3) var insertEndTime= tablex.insertCell(4) var insertAllTime = tablex.insertCell(5) var insertRentPrice = tablex.insertCell(6) var insertAllMoney = tablex.insertCell(7) x0=x[i].getElementsByTagName("name"); //将数据依次填充到表格中 txt = x0[0].firstChild.nodeValue; insertName.innerHTML=txt x1=x[i].getElementsByTagName("id"); txt = x1[0].firstChild.nodeValue; insertId.innerHTML=txt x2=x[i].getElementsByTagName("bikeID"); txt = x2[0].firstChild.nodeValue; insertBikeId.innerHTML=txt x3=x[i].getElementsByTagName("startTime"); txt = x3[0].firstChild.nodeValue; insertStartTime.innerHTML=txt x4=x[i].getElementsByTagName("endTime"); txt = x4[0].firstChild.nodeValue; insertEndTime.innerHTML=txt x5=x[i].getElementsByTagName("allTime"); txt = x5[0].firstChild.nodeValue; insertAllTime.innerHTML=txt x6=x[i].getElementsByTagName("rentPrice"); txt = x6[0].firstChild.nodeValue; insertRentPrice.innerHTML=txt x7=x[i].getElementsByTagName("allMoney"); txt = x7[0].firstChild.nodeValue; insertAllMoney.innerHTML=txt } catch(er) { alert('error') } count++; } } } } } </SCRIPT> </head> <body> <button onclick="showHistory('<s:property value="name"/>')"> 显示历史租车记录 </button> <table align="center" border="5" id="historytable" style="display: none"> <tr align="center"> <td> 用户名 </td> <td> 租赁编号 </td> <td> 自行车编号 </td> <td> 租车起始时间 </td> <td> 租车结束时间 </td> <td> 时间差(小时) </td> <td> 租赁价格(X元/每小时) </td> <td> 消费金额 </td>