CROS

CORS（跨域资源共享）

只要是http请求都支持

java 添加CORS Filter

参考链接

<filter>        <filter-name>CORS</filter-name>        <filter-class>com.thetransactioncompany.cors.CORSFilter</filter-class>        <init-param>            <param-name>cors.allowOrigin</param-name>            <param-value>*</param-value>        </init-param>        <!--支持的方法-->        <init-param>            <param-name>cors.supportedMethods</param-name>            <param-value>GET, POST, HEAD, PUT, DELETE</param-value>        </init-param>        <!--允许的头-->        <init-param>            <param-name>cors.supportedHeaders</param-name>            <param-value>Accept, Origin, X-Requested-With, Content-Type, Last-Modified</param-value>        </init-param>        <init-param>            <param-name>cors.exposedHeaders</param-name>            <param-value>Set-Cookie</param-value>        </init-param>        <init-param>            <param-name>cors.supportsCredentials</param-name>            <param-value>true</param-value>        </init-param>    </filter>    <filter-mapping>        <filter-name>CORS</filter-name>        <url-pattern>/*</url-pattern>    </filter-mapping>

之前java, 配置服务器头
参考链接