非常简单的XMLHttpRequest对象问题

gupan20112011 2011-10-08 04:09:49

这段代码在FF、IE下都能够正确输出request.responseText。但在oprea下，却获取不到responseText的值，有大虾知道的吗，帮我看看...

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>ajax技术</title>

</head>



<body>

<script>



function dosomeThing(){

  if (request.readyState==4){

  if (request.responseText) {alert("ddd")}

alert(request.responseText);





  }

}



function jz(){

if (window.ActiveXObject){

  request=new ActiveXObject("Microsoft.XMLHTTP");

     alert(request);



}else if (window.XMLHttpRequest){

   request=new XMLHttpRequest();

   alert(request)



 }



request.open("GET","1.txt",true);



request.onreadystatechange=dosomeThing;



request.send(null);



}

window.onload=jz;

</script>

<div id="xsxx">

</div>



</body>

</html>

...全文

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sirzxj 2011-10-08

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是不是你用的版本太旧了，我测试这个可以哎

gupan20112011 2011-10-08

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上面的代码复制错了，这才是正确的，大虾们帮忙看看



 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>ajax技术</title>

</head>



<body>

<script>



function dosomeThing(){

  if (request.readyState==4){

  if (request.responseText) {alert("ddd")}

alert(request.responseText);     //在oprea下，获取不到值。IE、FF下显示正常





  }

}



function jz(){

if (window.ActiveXObject){

  request=new ActiveXObject("Microsoft.XMLHTTP");

     alert(request);



}else if (window.XMLHttpRequest){

   request=new XMLHttpRequest();

   alert(request)



 }



request.open("GET","1.txt",true);



request.onreadystatechange=dosomeThing;



request.send(null);



}

window.onload=jz;

</script>

<div id="xsxx">

</div>



</body>

</html>