跨域访问

1.web.xml中

<filter>
<filter-name>CORS Filter</filter-name>
<filter-class>org.ebaysf.web.cors.CORSFilter</filter-class>
<init-param>
<param-name>cors.allowed.origins</param-name>
<param-value>*</param-value>
</init-param>
<init-param>
<param-name>cors.allowed.methods</param-name>
<param-value>GET,POST,HEAD,OPTIONS,PUT</param-value>
</init-param>
<init-param>
<param-name>cors.allowed.headers</param-name>
<param-value>Content-Type,X-Requested-With,accept,Origin,Access-Control-Request-Method,Access-Control-Request-Headers</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CORS Filter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

2.pom文件添加依赖

 <dependency>
<groupId>org.ebaysf.web</groupId>
<artifactId>cors-filter</artifactId>
<version>1.0.1</version>
</dependency>

跨域访问

原文：http://www.cnblogs.com/ximencuixue/p/7509089.html