Gorm-模型关系定义和标签 （四）

package models

import (
    "gorm.io/gorm"
)

type User struct {
    gorm.Model
    Name      string `gorm:"uniqueIndex"`
    Age       int    `gorm:"index"`
    Gender    string `gorm:"size:255;not null"`
    CreatedAt time.Time `gorm:"autoCreateTime"`
    UpdatedAt time.Time `gorm:"autoUpdateTime"`
    DeletedAt *time.Time `gorm:"index"`
    Articles []Article
    Roles    []Role `gorm:"many2many:user_roles;"`
}

type Article struct {
    gorm.Model
    Title     string
    Content   string
    UserID    uint
    User      User `gorm:"foreignKey:UserID"`
    Comments  []Comment
    Categories []Category `gorm:"many2many:article_categories;"`
}

type Comment struct {
    gorm.Model
    Content   string
    ArticleID uint
    Article   Article `gorm:"foreignKey:ArticleID"`
}

type Category struct {
    gorm.Model
    Name      string `gorm:"uniqueIndex"`
    Articles  []Article `gorm:"many2many:article_categories;"`
}

type Role struct {
    gorm.Model
    Name   string
    Users  []User `gorm:"many2many:user_roles;"`
}