Ajax跨域代理访问网络资源的实现代码(3)

_SmartHttp.prototype.getobj = function (){
var b=null;
var httplist = ["MSXML2.serverXMLHttp.3.0","MSXML2.serverXMLHttp","MSXML2.XMLHttp.3.0","MSXML2.XMLHttp","Microsoft.XMLHttp"];
for(var i = 0;i<=httplist.length -1;i++){
try{
b= new ActiveXObject(httplist[i]);
(function(o){
_SmartHttp.prototype.getobj = function(){return new ActiveXObject(o)};
})(httplist[i]);
return b;
}catch(ex){
eval("this.msg = ex.description;");
}
}
return b;
};

_SmartHttp.prototype.getrnd = function (){return Math.random().toString().substr(2);};

_SmartHttp.prototype.b2s = function(bytSource, Cset){ //ef bb bf,c0 fd
var Objstream,c1,c2,c3;
var byts;
Objstream =Server.CreateObject("ADODB.Stream");
Objstream.Type = 1;
Objstream.Mode = 3;
Objstream.Open();
Objstream.Write(bytSource);
Objstream.Position = 0;
Objstream.Type = 2;
Objstream.CharSet = Cset;
byts = Objstream.ReadText();
Objstream.Close();
Objstream = null;
return byts;
};
_SmartHttp.prototype.urlencode=function(str){ return encodeURIComponent(str);};
_SmartHttp.prototype.urldecode=function(str){ return decodeURIComponent(str);};
String.prototype.trim = function(){return this.replace(/(^(\s+)|(\s+)$)/igm,"");};
</script>