spring4.3 实现跨域CORS的方法

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:context="http://www.springframework.org/schema/context"
  xmlns:mvc="http://www.springframework.org/schema/mvc"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
  http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

//与此次操作无关的配置都省略了

 <mvc:cors>
  <mvc:mapping path="/**"
  allowed-origins=""
  allowed-methods="POST,GET,OPTIONS,DELETE,PUT"
//header里面userName与passWord是由于项目的需要我自定义的请求头的内容。
  allowed-headers="Origin,X-Mx-ReqToken,x-requested-with,userName,passWord,Authorization,Accept,content-type"
  allow-credentials="true"/>
 </mvc:cors>
</beans>