作者微信 bishe2022

智慧代码.
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web.xml中加入以下代码

<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>


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