fix:上下2

server/resource/internal/middleware/tracingmiddleware.go

@@ -0,0 +1,36 @@
+package middleware
+
+import (
+	"net/http"
+
+	"go.opentelemetry.io/otel/trace"
+)
+
+type TracingMiddleware struct {
+}
+
+func NewTracingMiddleware() *TracingMiddleware {
+	return &TracingMiddleware{}
+}
+
+func (m *TracingMiddleware) Handle(next http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		traceId := r.Header.Get("X-Trace-Id")
+		spanId := r.Header.Get("X-Span-Id")
+		if traceId != "" && spanId != "" {
+			TraceID, _ := trace.TraceIDFromHex(traceId)
+			SpanID, _ := trace.SpanIDFromHex(spanId)
+			ctx := r.Context()
+			sc := trace.NewSpanContext(trace.SpanContextConfig{
+				TraceID: TraceID,
+				SpanID:  SpanID,
+				Remote:  true,
+			})
+			ctx = trace.ContextWithRemoteSpanContext(ctx, sc)
+			//next.ServeHTTP(w, r.WithContext(ctx))
+		}
+
+		// 处理请求
+		next(w, r)
+	}
+}