bindJSon的校验规则，待熟悉

examples/time_formate/time_formate.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gin-gonic/gin/binding"
+	"github.com/go-playground/validator/v10"
+)
+
+// Booking struct with validated time fields
+type Booking struct {
+	CheckIn  time.Time `form:"check_in" binding:"required,bookabledate" time_format:"2006-01-02"`
+	CheckOut time.Time `form:"check_out" binding:"required,gtfield=CheckIn,bookabledate" time_format:"2006-01-02"`
+}
+
+/**
+请求的header类型需要是:application/x-www-form-urlencoded
+*/
+
+// bookableDate is a custom validator
+var bookableDate = func(fl validator.FieldLevel) bool {
+	date, ok := fl.Field().Interface().(time.Time)
+	if ok {
+		today := time.Now()
+		if today.After(date) {
+			return false
+		}
+	}
+	return true
+}
+
+func main() {
+	g := gin.Default()
+	g.POST("/bookable", func(c *gin.Context) {
+		var b Booking
+		if err := c.ShouldBindWith(&b, binding.FormPost); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+
+		// Validation successful
+		c.JSON(http.StatusOK, gin.H{"data": b})
+	})
+
+	// Register the custom validator
+	if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
+		v.RegisterValidation("bookabledate", bookableDate)
+	}
+	g.Run(":8080")
+}

examples/url/ini/utl_gin.go

@@ -5,15 +5,17 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/gin-gonic/gin/binding"
 	"net/http"
+	"time"
 )
 
 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"`
+	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"`
+	EndDate1    time.Time `form:"end_date_1" binding:"required" time_format:"2006-01-02"`
 }
 
 func UrlInit(router *gin.Engine) {
@@ -101,7 +103,7 @@ func UrlInit(router *gin.Engine) {
 		// using BindJson method to serialize body with struct
 		// 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 {
+		if err := c.ShouldBind(&body); err != nil {
 			c.AbortWithStatusJSON(http.StatusBadRequest,
 				gin.H{
 					"error":   "VALIDATEERR-1",