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                ## 初始化工作 * 項目根目錄創建 db/db.go db.go ~~~ package db import ( "fmt" "gorm.io/driver/mysql" "gorm.io/gorm" ) var DB *gorm.DB var err error func init() { fmt.Println("開始數據庫連接") dsn := "username:password@tcp(address:port)/table?charset=utf8mb4&parseTime=True&loc=Local" DB,err = gorm.Open(mysql.Open(dsn), &gorm.Config{}) if err != nil { fmt.Println(err) } fmt.Println("數據庫連接完成") } ~~~ 連接mysql 配置gorm 初始化章節使用 ![](https://img.kancloud.cn/c4/c5/c4c5037a3f99b9eea80e4e3355acf2f8_431x280.png) ~~~ package db import ( "fmt" "gorm.io/driver/mysql" "gorm.io/gorm" "learn_gin/config" ) var DB *gorm.DB var err error func init() { fmt.Println("開始數據庫連接") dsn := config.DbUser+":"+config.DbPass+"@tcp("+config.DbHost+":"+config.DbPort+")/"+config.DbName+"?charset=utf8mb4&parseTime=True&loc=Local" DB,err = gorm.Open(mysql.Open(dsn), &gorm.Config{}) if err != nil { fmt.Println(err) } fmt.Println("數據庫連接完成") } ~~~
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