ddd?dddddddd,ddddd,dd!dddddddddd!jhhhh,jhhhhh……

什么？你在说什么

var request;

alert(window.XMLHttpRequest)

if(window.XMLHttpRequest)

{

request = new XMLHttpRequest(); //IE7,Firefox,Chrome,Opera,Safari

}else{

request = new ActiveXObject("Microsoft.XMLHTTP");//IE6,5

}

request.open("GET","json.txt");

request.send();

/*

request.open("POST","json.txt");

request.setRequestHeader("Content-type","application/x-www-form-urlencoded");

request.send();*/

request.onreadystatechange=function(){

alert(request.readyState);

alert(request.status);

if(request.readyState == 4&& request.status == 200)

{

alert(request.responseText);

//request.responseText 获取服务器的内容

}

}