最近遇到跨域问题,项目是基于maven的ssM项目,将在下面提供一个解决方法,使用Cros三方方式:
pom.xml添加依赖
<!-- 跨域过滤器相关 -->
<dependency>
<groupId>com.thetransactioncompany</groupId>
<artifactId>java-property-utils</artifactId>
<version>1.9.1</version>
</dependency>
<dependency>
<groupId>com.thetransactioncompany</groupId>
<artifactId>cors-filter</artifactId>
<version>1.3.2</version>
</dependency>
web.xml添加三方过滤器
<filter>
<description>跨域过滤器</description>
<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>
<init-param>
<param-name>cors.supportedMethods</param-name>
<param-value>GET, POST, HEAD, PUT, DELETE</param-value>
</init-param>
<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>
参数讲解
cors.allowOrigin指的可以通过的ip,代表所有,可以使用指定的ip,多个的话可以用逗号分隔,默认为
cors.supportedMethods指的是请求方式 默认为*
cors.supportedHeaders请求支持的头信息,默认为*
cors.exposedHeaders暴露的头信息,默认的empy list
cors.supportsCredentials支持证书,默认为true
cors.maxAge 最大过期时间,默认为-1
cors.tagRequests 默认为false
cors.allowSubdomains允许子域 默认为false