refactor

ngin/handler/recoverhandler.go

@@ -0,0 +1,22 @@
+package handler
+
+import (
+	"fmt"
+	"net/http"
+	"runtime/debug"
+
+	"zero/ngin/internal"
+)
+
+func RecoverHandler(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		defer func() {
+			if result := recover(); result != nil {
+				internal.Error(r, fmt.Sprintf("%v\n%s", result, debug.Stack()))
+				w.WriteHeader(http.StatusInternalServerError)
+			}
+		}()
+
+		next.ServeHTTP(w, r)
+	})
+}