feat(auth): 添加完整的用户认证API项目
- 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
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47
Web开发/03go-gorm-demo/transaction_rollback.go
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47
Web开发/03go-gorm-demo/transaction_rollback.go
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package main
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import (
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"errors"
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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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// type User struct {
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// ID uint `gorm:"primaryKey"`
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// Name string `gorm:"size:100"`
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// Email string `gorm:"size:100;unique"`
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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
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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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// 故意触发错误,测试回滚
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err := db.Transaction(func(tx *gorm.DB) error {
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user := User{Name: "Charlie", Email: "charlie@example.com"}
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if err := tx.Create(&user).Error; err != nil {
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return err
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}
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fmt.Println("User created, ID:", user.ID)
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// 故意返回错误,触发回滚
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return errors.New("something went wrong")
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})
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if err != nil {
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fmt.Println("Transaction rolled back:", err)
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}
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// 检查用户是否存在
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var count int64
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db.Model(&User{}).Where("name = ?", "Charlie").Count(&count)
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fmt.Printf("User 'Charlie' count: %d (should be 0)\n", count)
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}
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