1.html:

      	    
         
         
             
     	                  
     
    	      
       
    		        
学号
    		        
姓名
    		        
年龄
    		        
住址
    	       
      
    	      
    	    	      
         
  

 2.js

//浏览器协议var xmlHttp;function creatXMLHttpRequest(){	if(window.xmlHttpRequest){		xmlHttp=new XMLHttpRequest();	}else if(window.ActiveXObject){		xmlHttp=new XMLHttpRequest("Microsoft,XMLHTTP");	}}//触发函数function Student2(){	alert("aa");	//建立异步请求对象	creatXMLHttpRequest();	//开启对服务器端的连接	xmlHttp.open("post","student2.txt",true);	//向浏览器发送请求	xmlHttp.send();	//调用回调函数	xmlHttp.onreadystatechange=getStudent2;		}function getStudent2(){		//判断请求状态	if(xmlHttp.readyState==4&&xmlHttp.status==200){		//服务器传来的响应		var msg=xmlHttp.responseText;		var stus=eval("("+msg+")");		tbody=document.getElementById("main");		for(var i=0;i

 3.txt

[

{"stuNo":"001","name":"jack","age":23,"address":"beijing"},

{"stuNo":"002","name":"bob","age":24,"address":"shanghai"},

{"stuNo":"003","name":"mary","age":26,"address":"anerick"},

{"stuNo":"004","name":"kity","age":26,"address":"hongkong"}

]