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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## [](http://doc.ruoyi.vip/ruoyi-cloud/cloud/feign.html#%E8%AF%B7%E6%B1%82%E6%8B%A6%E6%88%AA%E5%99%A8)請求攔截器 在微服務應用中,通過`feign`的方式實現`http`的調用,可以通過實現`feign.RequestInterceptor`接口在`feign`執行后進行攔截,對請求頭等信息進行修改。 例如項目中利用`feign`攔截器將本服務的`userId`、`userName`、`authentication`傳遞給下游服務 ~~~ /** * 功能說明:Feign調用的時候添加請求頭from * 創建人: lihaijun * 創建時間:2019-11-18 */ @Configuration public class FeignConfiguration implements RequestInterceptor { @Override public void apply(RequestTemplate requestTemplate) { ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes(); HttpServletRequest request = attributes.getRequest(); String accountId= request.getHeader(SecConstant.REQUEST_AUTH_HEADER_ACCOUNTID); requestTemplate.header(SecConstant.HEADER_KEY_FEIGN_FROM,SecConstant.HEADER_VALUE_FEIGN_FROM); requestTemplate.header(SecConstant.REQUEST_AUTH_HEADER_ACCOUNTID,accountId); requestTemplate.query(SecConstant.REQUEST_AUTH_HEADER_ACCOUNTID, accountId); } } ~~~
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