SSM解决跨域问题

在spring-mvc.xml 中加入如下代码

<mvc:cors>
    <mvc:mapping path="/**"
        allowed-origins="*"
        allowed-methods="POST,GET,OPTIONS,DELETE,PUT,PATCH"
        allowed-headers="Content-Type,Access-Control-Allow-Headers,Authorization,X-Requested-With"
        allow-credentials="true"/>
</mvc:cors>