- 实现用户注册、登录、JWT令牌认证功能 - 集成Gin、GORM、Viper、Zap等框架 - 添加密码加密、数据库操作、中间件等完整功能 - 配置多环境支持、日志轮转、CORS处理 - 创建完整的项目结构和配置文件体系
52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package main
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import (
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"fmt"
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"gorm.io/driver/sqlite"
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"gorm.io/gorm"
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)
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// 用户拥有一个账户
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//type User struct {
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// ID uint `gorm:"primaryKey"`
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// Name string `gorm:"size:100"`
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// Account Account // 一对一关联
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// Email string `gorm:"size:100;unique"`
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//}
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//
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//type Account struct {
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// ID uint `gorm:"primaryKey"`
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// UserID uint // 外键
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// Balance int
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//}
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func main() {
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db, _ := gorm.Open(sqlite.Open("test.db"), &gorm.Config{})
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db.AutoMigrate(&User{}, &Account{})
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// 1. 创建用户和账户
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user := User{
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Name: "Alice",
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Account: Account{Balance: 1000},
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}
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db.Create(&user)
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fmt.Println("User and account created")
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// 2. 预加载查询
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var result User
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db.Preload("Account").First(&result, user.ID)
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fmt.Printf("User: %s, Balance: %d\n", result.Name, result.Account.Balance)
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// 3. 更新关联数据
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db.Model(&result.Account).Update("balance", 2000)
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fmt.Println("Account balance updated")
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// 4. 删除关联(不会自动删除 Account)
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db.Delete(&result)
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var accountCount int64
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db.Model(&Account{}).Count(&accountCount)
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fmt.Printf("Account still exists: %d\n", accountCount)
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}
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