spring cloud feign 调用微服务转发不了request请求头和参数问题解决方案

spring cloud feign 调用微服务转发不了request请求头和参数问题解决方案

代码块

@Configuration
public class FeignConfiguration {
private Logger logger = LoggerFactory.getLogger(FeignConfiguration.class);

@Bean
public RequestInterceptor requestInterceptor() {
return new RequestInterceptor() {
@Override
public void apply(RequestTemplate template) {
ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder
.getRequestAttributes();
HttpServletRequest request = attributes.getRequest();
Enumeration<String> headerNames = request.getHeaderNames();
if (headerNames != null) {
while (headerNames.hasMoreElements()) {
String name = headerNames.nextElement();
String values = request.getHeader(name);
template.header(name, values);
}
}
Enumeration<String> bodyNames = request.getParameterNames();
StringBuffer body =new StringBuffer();
if (bodyNames != null) {
while (bodyNames.hasMoreElements()) {
String name = bodyNames.nextElement();
String values = request.getParameter(name);
body.append(name).append("=").append(values).append("&");
}
}
if(body.length()!=0) {
body.deleteCharAt(body.length()-1);
template.body(body.toString());
logger.info("feign interceptor body:{}",body.toString());
}
}
};
}
}