1、下載Tomcat配置跨域所需的文件(鏈接:https://pan.baidu.com/s/1uV6MsQH6SUaA8RTC2qOQdQ ,提取碼:dedj);
然後將加壓後的文件夾中的cors-filter-2.5.jar和java-property-utils-1.9.1拷貝到tomcat的lib文件夾內,然後編輯conf文件夾中的web.xml,在250行左右添加如下內容。
<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>
<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>
2、配置web.xml文件後,重啓tomcat服務。