完美兼容I

来源：互联网发布：网络拓扑层级编辑：程序博客网时间：2024/04/30 01:38

Js代码
function Ajax(){
    this.httpXML=false;
    this.init();
}
Ajax.prototype.init=function(){
    if(window.XMLHttpRequest){
        this.httpXML=new XMLHttpRequest();
        if (this.httpXML.overrideMimeType){
            this.httpXML.overrideMimeType("text/xml");
        }
    }else if(window.ActiveXObject){
        try{this.httpXML = new ActiveXObject("Msxml2.XMLHTTP");}catch (e){
             try{this.httpXML = new ActiveXObject("Microsoft.XMLHTTP");}catch (e){}
        }
    }
    if(!this.httpXML){
        window.alert("can't create XMLHttpRequest object");
        return null;
    }
}
Ajax.prototype.send=function(_method,_url,_data,_callback){
    this.httpXML.onreadystatechange=function(){
        if(this.readyState==4&&this.status==200){
            _callback.call(this,this.responseText);
        }
    }

    if (_method.toLowerCase() == "get"){
         //if(navigator.userAgent.indexOf("MSIE")<=0){
         //     netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
         //}
         this.httpXML.open(_method, _url, true);
         this.httpXML.send(null);
    }else if (_method.toLowerCase() == "post"){
         this.httpXML.open(_method, _url, true);
         this.httpXML.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
         this.httpXML.send(_data);
    }

}

Ajax.prototype.callback=function(){

}

Ajax.prototype.callback=function(){

}

Html代码
<!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>
    <title>完美兼容IE、FF、Opera浏览器</title>
    <script type="text/javascript" src="js/ajax.js"></script>
    <script type="text/javascript">
        function send(){
            ajax=new Ajax();
            ajax.send("get","listener/Hajax.ashx","post测试请求",ddd);
        }

        function ddd(data){
            alert(data);
        }
    </script>
</head>
<body>
    <button onclick="send()">测试</button>
</body>
</html>

<!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>
    <title>完美兼容IE、FF、Opera浏览器</title>
    <script type="text/javascript" src="js/ajax.js"></script>
    <script type="text/javascript">
        function send(){
            ajax=new Ajax();
            ajax.send("get","listener/Hajax.ashx","post测试请求",ddd);
        }

        function ddd(data){
            alert(data);
        }
    </script>
</head>
<body>
    <button onclick="send()">测试</button>
</body>
</html>