model

type Article struct {
	Category Category `gorm:"foreignKey:ID;references:Cid;"`
	gorm.Model
	Title   string `gorm:"type:varchar(100);not null" json:"title"`
	Cid     int    `gorm:"type: int not null" json:"cid"`
	Desc    string `gorm:"type: varchar(200)" json:"desc"`
	Content string `gorm:"type:longtext" json:"content"`
	Img     string `gorm:"type:varchar(100)" json:"img"`
}

type Category struct {
	ID   uint   `gorm:"primary_key;auto_increment" json:"id"`
	Name string `gorm:"type:varchar(20) not null" json:"name"`
}

type User struct {
	gorm.Model
	Username string `gorm:"type: varchar(20);not null" json:"username" validate:"required,min=4,max=12"`
	Password string `gorm:"type: varchar(20);not null" json:"password" validate:"required,min=6,max=16"`
	Nick     string `gorm:"type:varchar(20);not null" json:"nick"`
	Role     int    `gorm:"type: int;DEFAULT:2" json:"role" validate:"required,lte=2"` // 1 管理员  2 阅读者

}