安装

go get -u gorm.io/gorm
go get -u gorm.io/driver/sqlite

快速入门

package main

import (
 "gorm.io/gorm"
 "gorm.io/driver/mysql"
)

type Product struct {
 gorm.Model
 Code  string
 Price uint
}

func main() {
 dsn := "root:123456@tcp(127.0.0.1:3306)/golang_db?charset=utf8mb4&parseTime=True&loc=Local"
 if err != nil {
   panic("failed to connect database")
}

 // 迁移 schema
 db.AutoMigrate(&Product{})

 // Create
 db.Create(&Product{Code: "D42", Price: 100})

 // Read
 var product Product
 db.First(&product, 1) // 根据整形主键查找
 db.First(&product, "code = ?", "D42") // 查找 code 字段值为 D42 的记录

 // Update - 将 product 的 price 更新为 200
 db.Model(&product).Update("Price", 200)
 // Update - 更新多个字段
 db.Model(&product).Updates(Product{Price: 200, Code: "F42"}) // 仅更新非零值字段
 db.Model(&product).Updates(map[string]interface{}{"Price": 200, "Code": "F42"})

 // Delete - 删除 product
 db.Delete(&product, 1)
}