chore: initial import

internal/middleware/logging.go

@@ -0,0 +1,37 @@
+package middleware
+
+import (
+	"log/slog"
+	"net/http"
+	"time"
+)
+
+// responseWriter 是用于捕获状态码的响应写入器
+type responseWriter struct {
+	http.ResponseWriter
+	statusCode int
+}
+
+func (rw *responseWriter) WriteHeader(code int) {
+	rw.statusCode = code
+	rw.ResponseWriter.WriteHeader(code)
+}
+
+// Logging 中间件记录请求日志
+func Logging(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		start := time.Now()
+		rw := &responseWriter{ResponseWriter: w, statusCode: http.StatusOK}
+
+		next.ServeHTTP(rw, r)
+
+		duration := time.Since(start)
+		slog.Info("http_request",
+			"method", r.Method,
+			"path", r.URL.Path,
+			"status", rw.statusCode,
+			"duration_ms", float64(duration.Microseconds())/1000,
+			"remote_addr", r.RemoteAddr,
+		)
+	})
+}