yui-ext_2.1.0.js

一个使用yui-ext库

catch(e){}
finally
{return o;}},asyncRequest:function(method,uri,callback,postData)
{var o=this.getConnectionObject();if(!o){return null;}
else{if(this._isFormSubmit){if(this._isFileUpload){this.uploadFile(o.tId,callback,uri,postData);this.releaseObject(o);return;}
if(method=='GET'){if(this._sFormData.length!=0){uri+=((uri.indexOf('?')==-1)?'?':'&')+this._sFormData;}
else{uri+="?"+this._sFormData;}}
else if(method=='POST'){postData=postData?this._sFormData+"&"+postData:this._sFormData;}}
o.conn.open(method,uri,true);if(this._isFormSubmit||(postData&&this._use_default_post_header)){this.initHeader('Content-Type',this._default_post_header);if(this._isFormSubmit){this.resetFormState();}}
if(this._has_http_headers){this.setHeader(o);}
this.handleReadyState(o,callback);o.conn.send(postData||null);return o;}},handleReadyState:function(o,callback)
{var oConn=this;if(callback&&callback.timeout){this._timeOut[o.tId]=window.setTimeout(function(){oConn.abort(o,callback,true);},callback.timeout);}
this._poll[o.tId]=window.setInterval(function(){if(o.conn&&o.conn.readyState==4){window.clearInterval(oConn._poll[o.tId]);delete oConn._poll[o.tId];if(callback&&callback.timeout){delete oConn._timeOut[o.tId];}
oConn.handleTransactionResponse(o,callback);}},this._polling_interval);},handleTransactionResponse:function(o,callback,isAbort)
{if(!callback){this.releaseObject(o);return;}
var httpStatus,responseObject;try