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liumangmang b010f82221 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
2025-12-30 18:00:42 +08:00

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package main
import (
"fmt"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
)
//type User struct {
// ID uint `gorm:"primaryKey"`
// Name string `gorm:"size:100"`
// Email string `gorm:"size:100;unique"`
// Age int
// UpdatedAt time.Time
//}
func main() {
db, _ := gorm.Open(sqlite.Open("test.db"), &gorm.Config{})
db.AutoMigrate(&User{})
// 插入测试数据
user := User{Name: "Alice", Email: "alice@example.com", Age: 30}
db.Create(&user)
// 1. 更新单个字段
db.Model(&User{}).Where("id = ?", user.ID).Update("name", "Alice Updated")
fmt.Println("Updated single field")
// 2. 更新多个字段(使用 map
db.Model(&User{}).Where("id = ?", user.ID).Updates(map[string]interface{}{
"name": "Alice Smith",
"age": 31,
})
fmt.Println("Updated multiple fields (map)")
// 3. 更新多个字段(使用 struct仅更新非零值
db.Model(&User{}).Where("id = ?", user.ID).Updates(User{
Name: "Alice Johnson",
Age: 32,
})
fmt.Println("Updated multiple fields (struct)")
// 4. 强制更新零值字段
db.Model(&User{}).Where("id = ?", user.ID).Update("age", 0)
fmt.Println("Updated age to zero")
// 5. 批量更新
db.Model(&User{}).Where("age > ?", 25).Update("age", gorm.Expr("age + ?", 1))
fmt.Println("Batch update completed")
// 查询最终结果
var finalUser User
db.First(&finalUser, user.ID)
fmt.Printf("Final user: %s (age=%d)\n", finalUser.Name, finalUser.Age)
}