refactor of error response and fix err code bug

controller.go

@@ -261,12 +261,13 @@ func (c *Controller) Abort(code string) {
 
 // CustomAbort stops controller handler and show the error data, it's similar Aborts, but support status code and body.
 func (c *Controller) CustomAbort(status int, body string) {
-	c.Ctx.Output.Status = status
 	// first panic from ErrorMaps, is is user defined error functions.
 	if _, ok := ErrorMaps[body]; ok {
+		c.Ctx.Output.Status = status
 		panic(body)
 	}
 	// last panic user string
+	c.Ctx.ResponseWriter.WriteHeader(status)
 	c.Ctx.ResponseWriter.Write([]byte(body))
 	panic(ErrAbort)
 }

error.go

@@ -388,7 +388,10 @@ func exception(errCode string, ctx *context.Context) {
 		if err == nil {
 			return v
 		}
-		return 503
+		if ctx.Output.Status == 0 {
+			return 503
+		}
+		return ctx.Output.Status
 	}
 
 	for _, ec := range []string{errCode, "503", "500"} {

router.go

@@ -844,27 +844,26 @@ func (p *ControllerRegister) recoverPanic(context *beecontext.Context) {
 		}
 		if !BConfig.RecoverPanic {
 			panic(err)
-		} else {
-			if BConfig.EnableErrorsShow {
-				if _, ok := ErrorMaps[fmt.Sprint(err)]; ok {
-					exception(fmt.Sprint(err), context)
-					return
-				}
+		}
+		if BConfig.EnableErrorsShow {
+			if _, ok := ErrorMaps[fmt.Sprint(err)]; ok {
+				exception(fmt.Sprint(err), context)
+				return
 			}
-			var stack string
-			Critical("the request url is ", context.Input.URL())
-			Critical("Handler crashed with error", err)
-			for i := 1; ; i++ {
-				_, file, line, ok := runtime.Caller(i)
-				if !ok {
-					break
-				}
-				Critical(fmt.Sprintf("%s:%d", file, line))
-				stack = stack + fmt.Sprintln(fmt.Sprintf("%s:%d", file, line))
-			}
-			if BConfig.RunMode == DEV {
-				showErr(err, context, stack)
+		}
+		var stack string
+		Critical("the request url is ", context.Input.URL())
+		Critical("Handler crashed with error", err)
+		for i := 1; ; i++ {
+			_, file, line, ok := runtime.Caller(i)
+			if !ok {
+				break
 			}
+			Critical(fmt.Sprintf("%s:%d", file, line))
+			stack = stack + fmt.Sprintln(fmt.Sprintf("%s:%d", file, line))
+		}
+		if BConfig.RunMode == DEV {
+			showErr(err, context, stack)
 		}
 	}
 }