axios跨域问题服务器（SSM框架）解决

前端vue axios

服务器 SSM

第一步：导入jar包

cors-filter-1.7.jar、java-property-utils-1.9.jar

第二步：在web.xml文件配置

<filter>
  <filter-name>CORS</filter-name>
  <filter-class>com.thetransactioncompany.cors.CORSFilter</filter-class>
  <init-param>
   <param-name>cors.allowOrigin</param-name>   <!--配置授信的白名单的域名！ -->
   <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>

转自https://www.cnblogs.com/Sailsail/p/7683939.html