android ajax同步,解决安卓系统上，MUI AJAX同步执行无效的方法

pileState: function(url, cpid,callback) {

var mask = mui.createMask();

url = url + "scanCharge/isChargePile";

window.res = 0;

mui.ajax(url, {

data: {

deviceId: cpid

},

dataType: "JSON",

type: "GET",

crossDomain: true,

async: false, // 使用同步操作，无效T-T

beforeSend: function() {

plus.nativeUI.showWaiting("加载中...", {});

mask.show();//显示遮罩层

},

complete: function() {

plus.nativeUI.closeWaiting();

mask.close();//关闭遮罩层

callback(window.res);

},

success: function(data) {

window.res = data.detail;

},

error: function() {

window.res = false;

}

});