function pfajax(paradata){

            $.ajax({

                    data : paradata.dat,

                    type : paradata.method,

                    async: false,

                    url : "http://222.192.41.119:8080/info/android/"+paradata.url,

                    dataType : "jsonp",//数据类型为jsonp

                    jsonp: "jsonpCallback",//服务端用于接收callback调用的function名的参数

                    contentType : "application/json; charset=utf-8",

                    success : function(ret){

                            var object = JSON.parse(decodeURIComponent(ret));

                            paradata.sucfunction(object);

                            //console.log(object.adminname);

                            //alert(object);

                            },

                    error:function(){

                            alert('fail');

                            }

                    });

        }

function mainupdte() {

		    var jfid = 1;

			var senddat = {};

            senddat.url = "area";

            senddat.dat = {};

            senddat.method = 'get';

            senddat.sucfunction = function(ret){

                    jfid = ret[0].jfid;                  //★★我想获取这里的jfid怎么破？？？

                    for(var i = 0;i<ret.length;i++){

					     var option = $("<option jfid='"+ret[i].jfid+"'>"+ret[i].address+"</option>");

					     $("#frame0 select").append(option);

					  }

					return jfid;

            }

            pfajax(senddat);

		}

//jquery ready function

$(function(){

            var getjfidfun = mainupdte();

            selectchange(jfid);

        });