Ajax Operation Global Monitoring, user session failure resolution _AJAX related

Ajax Operation Global Monitoring, user session failure of the solution

jquery (function ($) {
//Back up jquery Ajax method 
var _ajax = $.ajax;
Rewrite the Ajax method to first determine that the login is executing the success function 
$.ajax = function (opt) {
var _success = opt && opt.success | | function (A, b) {};
var _opt = $.extend (opt, {
success:function (data, textstatus) {

try {

if (Data.sessionstatus = = False) {
  //user failure to operate
//return;
} 

catch (e) {

}
_success (data, textstatus);
}
});
_ajax (_opt);
};

The above Ajax operation of the global Monitoring, user session failure to solve the problem is a small series to share all the content, hope to give you a reference, but also hope that we support the cloud-dwelling community.