PHP全栈工程师 @ ABC
在go中gin框架中,需要接收前端参数时,参数必填,我们一般添加binding:"required"`标签,这样前端参数不给时,gin框架会自动校验,给出error。 gin的参数校验是基于validator的,如果给了required标签,则不能传入零值,比如字符串的不能传入空串,int类型的不能传入0,bool类型的不能传入false。 有时候我们需...
Namestring`uri:"name" binding:"required"`}funcuriFunc(c *gin.Context){varperson Personiferr := c.ShouldBindUri(&person); err !=nil{ c.JSON(400, gin.H{"msg": err.Error()})return} c.JSON(200, gin.H{"name": person.Name) } 其实现原理很简单,就是在创建路由树的时候,将路由参数以及...
gopackagemainimport("net/http""unicode""github.com/gin-gonic/gin""github.com/go-playground/validator/v10")// User 结构体type User struct{Name string`json:"name" binding:"required" validate:"min=3,max=20"`Email string`json:"email" binding:"required" validate:"email"`Age int`json:"age"...
package main import ( "github.com/gin-gonic/gin" "net/http" ) type Login struct { // binding:"required"修饰的字段,若接收为空值,则报错,是必须字段 User string `form:"username" json:"user" uri:"user" xml:"user" binding:"required"` Pssword string `form:"password" json:"password" uri...
import ( "fmt" "github.com/gin-gonic/gin" "github.com/go-playground/validator/v10" "reflect" ) type UserInfo struct { Username string `json:"username" binding:"required" msg:"用户名不能为空"` Password string `json:"password" binding:"min=3,max=6" msg:"密码长度不能小于3大于6"` Ema...
package mainimport ("github.com/gin-gonic/gin" //引入框架"github.com/go-playground/validator/v10""net/http""reflect")type User struct {Name string `form:"name" binding:"required" msg:"name没有填写"`Age int `form:"age" binding:"min=18"`Gender int `form:"gender" binding:"len=1"`}...
import"github.com/gin-gonic/gin" typeUserstruct{ // edc24790-ad34-4666-a9d5-243cdb94071d IDstring`form:"id" binding:"required,uuid"` } funcmain() { r:=gin.Default() r.GET("user/",func(c*gin.Context) { varuserUser iferr:=c.ShouldBindQuery(&user);err!=nil{ ...
Namestring`json:"name" binding:"required,min=3,max=7"` } funcmain() { r:=gin.Default() r.POST("user",func(c*gin.Context) { varuserUser iferr:=c.ShouldBindJSON(&user);err!=nil{ c.JSON(200,gin.H{ "Code":200, "Msg":err.Error(), ...
`绑定标签类型:"fieldname" binding:"required"`Gin提供两种类型的方法来实现绑定功能,并且在调用绑定方法的时候,会根据请求中头部Content-Type内容来调用相关的方法。如果你确认绑定的参数类型,可以直接使用MustBindWith 或ShouldBindWith,否则请使用ShouldBind作为万能钥匙。下面具体看一下此两种类型:类型功能方法注意点 ...