【笔记】防止ajax重复请求的GET和POST方法

/*
    防止ajax重复请求的GET和POST方法
*/
jQuery.extend({
    getx: function (url,data,callback,sender){
         var  params = {url:url,data: null ,callback: null ,sender: null };
         for ( var  i = 1 ;i < arguments.length;i ++ ){
             if (arguments[i] != null ){
                 var  ptype = typeof (arguments[i]);
                 if (ptype == " function " ){
                    params.callback = arguments[i];
                }
                 else   if (ptype == " string " ){
                    params.sender = $(arguments[i]);
                     if (params.sender.data( " isRequesting " ))
                         return   null ;
                }
                 else   if (ptype == " object " ){
                     if (arguments[i].tagName  ||  arguments[i].selector){
                        params.sender = $(arguments[i]);
                         if (params.sender.data( " isRequesting " ))
                             return   null ;
                    }
                     else {
                        params.data = arguments[i];
                    }
                }
            }
        }
        params.sender.data( " isRequesting " , true );
         return  $.get(params.url,params.data, function (data,status){
            params.sender.data( " isRequesting " , false );
             if (data == " unlogin " ){
                window.top.location.href = " /login.aspx " ;
                 return ;
            }
             if (params.callback){
                params.callback (data,status);
            }
        });
    },
    postx: function (){
         var  params = {url:url,data: null ,callback: null ,sender: null };
         for ( var  i = 1 ;i < arguments.length;i ++ ){
             if (arguments[i] != null ){
                 var  ptype = typeof (arguments[i]);
                 if (ptype == " function " ){
                    params.callback = arguments[i];
                }
                 else   if (ptype == " string " ){
                    params.sender = $(arguments[i]);
                     if (params.sender.data( " isRequesting " ))
                         return   null ;
                }
                 else   if (ptype == " object " ){
                     if (arguments[i].tagName  ||  arguments[i].selector){
                        params.sender = $(arguments[i]);
                         if (params.sender.data( " isRequesting " ))
                             return   null ;
                    }
                     else {
                        params.data = arguments[i];
                    }
                }
            }
        }
        params.sender.data( " isRequesting " , true );
         return  $.post(params.url,params.data, function (data,status){
            params.sender.data( " isRequesting " , false );
             if (data == " unlogin " ){
                window.top.location.href = " /login.aspx " ;
                 return ;
            }
             if (params.callback){
                params.callback (data,status);
            }
        });
    }
})

当然，这里可以抽出共同的一部分，也可以去封装$.ajax方法，但这里只是笔记...