b010f82221
- 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
48 lines
1.1 KiB
Go
48 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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//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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// Age int
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// Active bool `gorm:"default:true"`
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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{})
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// 插入测试数据
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db.Create(&User{Name: "Alice", Email: "alice@example.com", Age: 30})
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db.Create(&User{Name: "Bob", Email: "bob@example.com", Age: 25})
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// 1. 原生查询
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var users []User
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db.Raw("SELECT * FROM users WHERE age > ?", 20).Scan(&users)
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fmt.Printf("Raw query result: %d users\n", len(users))
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// 2. 原生更新
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db.Exec("UPDATE users SET age = age + 1 WHERE name = ?", "Alice")
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fmt.Println("Raw update executed")
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// 3. 原生统计
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var count int64
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db.Raw("SELECT COUNT(*) FROM users").Scan(&count)
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fmt.Printf("Total users: %d\n", count)
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// 4. 查询单行
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var result struct {
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Name string
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Age int
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}
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db.Raw("SELECT name, age FROM users WHERE id = ?", 1).Scan(&result)
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fmt.Printf("User: %s (age=%d)\n", result.Name, result.Age)
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}
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