feat(log): 添加traceId

blade-core-cloud/src/main/java/org/springblade/core/cloud/feign/BladeFeignRequestInterceptor.java

@@ -25,10 +25,12 @@
  */
 package org.springblade.core.cloud.feign;
 
+import org.slf4j.MDC;
 import org.springblade.core.secure.BladeUser;
 import org.springblade.core.secure.utils.AuthUtil;
 import org.springblade.core.tool.constant.BladeConstant;
 import org.springblade.core.tool.utils.Func;
+import org.springblade.core.tool.utils.StringUtil;
 import org.springblade.core.tool.utils.ThreadLocalUtil;
 import org.springframework.http.HttpHeaders;
 
@@ -57,6 +59,13 @@ public class BladeFeignRequestInterceptor implements RequestInterceptor {
 				values.forEach(value -> requestTemplate.header(key, value))
 			);
 		}
+		if (!requestTemplate.headers().containsKey(BladeConstant.TRACE_ID_HEADER)) {
+			// 不包含traceId请求头，且traceId不为空，则添加
+			String traceId = MDC.get(BladeConstant.MDC_TRACE_ID_KEY);
+			if (StringUtil.isNotBlank(traceId)) {
+				requestTemplate.header(BladeConstant.TRACE_ID_HEADER, traceId);
+			}
+		}
 		// 如果是 API Key 认证则跳过设置
 		if (AuthUtil.isApiKeyRequest()) {
 			return;