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  • 从golang-gin-realworld-example-app项目学写httpapi (六)

    https://github.com/gothinkster/golang-gin-realworld-example-app/blob/master/users/validators.go

    验证器

    package users
    
    import (
    	"github.com/gin-gonic/gin"
    	"github.com/wangzitian0/golang-gin-starter-kit/common"
    )
    
    // 模型验证器包括2个方面: 1. 使用规则验证输入的json 2. 验证调用common.Bind(c, self)后填充的数据
    
    // 用户验证json结构体
    type UserModelValidator struct {
    	User struct {
    		Username string `form:"username" json:"username" binding:"exists,alphanum,min=4,max=255"`
    		Email    string `form:"email" json:"email" binding:"exists,email"`
    		Password string `form:"password" json:"password" binding:"exists,min=8,max=255"`
    		Bio      string `form:"bio" json:"bio" binding:"max=1024"`
    		Image    string `form:"image" json:"image" binding:"omitempty,url"`
    	} `json:"user"`
    	userModel UserModel `json:"-"`
    }
    
    // 用户验证内置方法
    func (self *UserModelValidator) Bind(c *gin.Context) error {
    	err := common.Bind(c, self)
    	if err != nil {
    		return err
    	}
    
    	// username, email, bio, password, image 必须项
    	self.userModel.Username = self.User.Username
    	self.userModel.Email = self.User.Email
    	self.userModel.Bio = self.User.Bio
    
    	if self.User.Password != common.NBRandomPassword {
    		self.userModel.setPassword(self.User.Password)
    	}
    	if self.User.Image != "" {
    		self.userModel.Image = &self.User.Image
    	}
    	return nil
    }
    
    // 构造函数 NewUserModelValidator, 可以配置默认值
    func NewUserModelValidator() UserModelValidator {
    	userModelValidator := UserModelValidator{}
    	//userModelValidator.User.Email ="w@g.cn"
    	return userModelValidator
    }
    
    // 用户填充数据验证
    func NewUserModelValidatorFillWith(userModel UserModel) UserModelValidator {
    	userModelValidator := NewUserModelValidator()
    	userModelValidator.User.Username = userModel.Username
    	userModelValidator.User.Email = userModel.Email
    	userModelValidator.User.Bio = userModel.Bio
    	userModelValidator.User.Password = common.NBRandomPassword
    
    	if userModel.Image != nil {
    		userModelValidator.User.Image = *userModel.Image
    	}
    	return userModelValidator
    }
    
    // 登录验证json结构体
    type LoginValidator struct {
    	User struct {
    		Email    string `form:"email" json:"email" binding:"exists,email"`
    		Password string `form:"password"json:"password" binding:"exists,min=8,max=255"`
    	} `json:"user"`
    	userModel UserModel `json:"-"`
    }
    
    // 登录验证内置方法
    func (self *LoginValidator) Bind(c *gin.Context) error {
    	err := common.Bind(c, self)
    	if err != nil {
    		return err
    	}
    
    	self.userModel.Email = self.User.Email
    	return nil
    }
    
    // 构造函数 NewLoginValidator
    func NewLoginValidator() LoginValidator {
    	loginValidator := LoginValidator{}
    	return loginValidator
    }
    
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  • 原文地址:https://www.cnblogs.com/liujitao79/p/9993552.html
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