response.setHeader("Access-Control-Allow-Origin", "*");
???????response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
???????response.setHeader("Access-Control-Allow-Credentials","true");
ajax 跨域请求解决方案
原文地址：http://www.cnblogs.com/fxd980519/p/7808694.html