From bf5f26cf3319c80f62098f6e1c1b0f8d45593d9b Mon Sep 17 00:00:00 2001
From: flybread <1015126672@qq.com>
Date: Thu, 5 Jun 2025 11:39:20 +0800
Subject: [PATCH] =?UTF-8?q?bindJSon=E7=9A=84=E6=A0=A1=E9=AA=8C=E8=A7=84?=
 =?UTF-8?q?=E5=88=99=EF=BC=8C=E5=BE=85=E7=86=9F=E6=82=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 context.go                  | 4 ++++
 examples/url/ini/utl_gin.go | 9 ++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/context.go b/context.go
index d949ccda..eabdb270 100644
--- a/context.go
+++ b/context.go
@@ -859,6 +859,10 @@ func (c *Context) ShouldBindWith(obj any, b binding.Binding) error {
 // ShouldBindWith for better performance if you need to call only once.
 func (c *Context) ShouldBindBodyWith(obj any, bb binding.BindingBody) (err error) {
 	var body []byte
+	// This is the cache for the context of each request.
+	//There is no overwriting situation.
+	//If there is overwriting, it is also for the same request.
+	//Only the same context of the same request will be overwritten.
 	if cb, ok := c.Get(BodyBytesKey); ok {
 		if cbb, ok := cb.([]byte); ok {
 			body = cbb
diff --git a/examples/url/ini/utl_gin.go b/examples/url/ini/utl_gin.go
index db92b0c2..649ab628 100644
--- a/examples/url/ini/utl_gin.go
+++ b/examples/url/ini/utl_gin.go
@@ -10,6 +10,10 @@ import (
 type Body struct {
 	// json tag to de-serialize json body
 	Name string `json:"name"`
+	//For example, you can use struct tags to validate a custom product code format. The validator package offers many helpful string validator helpers.
+	ProductCode string `json:"productCode" binding:"required,startswith=PC,len=10"`
+	StartDate   string `json:"start_date" binding:"required" time_format:"2006-01-02"`
+	EndDate     string `json:"end_date" binding:"required" time_format:"2006-01-02"`
 }
 
 func UrlInit(router *gin.Engine) {
@@ -98,7 +102,10 @@ func UrlInit(router *gin.Engine) {
 		// BindJSON reads the body buffer to de-serialize it to a struct.
 		// BindJSON cannot be called on the same context twice because it flushes the body buffer.
 		if err := c.ShouldBindBodyWith(&body, binding.JSON); err != nil {
-			c.AbortWithError(http.StatusBadRequest, err)
+			c.AbortWithStatusJSON(http.StatusBadRequest,
+				gin.H{
+					"error":   "VALIDATEERR-1",
+					"message": err.Error()})
 			return
 		}
 		body2 := Body{}