/
db.go
57 lines (53 loc) · 1.21 KB
/
db.go
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package db
import (
"github.com/atpuxiner/grapi/app/datatype/model"
"github.com/atpuxiner/grapi/app/initializer/conf"
"gorm.io/driver/mysql"
"gorm.io/driver/postgres"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"gorm.io/gorm/schema"
"time"
)
var DB *gorm.DB
func InitDB(driver string) {
var (
err error
dialector gorm.Dialector
)
dsn := conf.Conf.DB.Dsn
switch driver {
case "postgres":
dialector = postgres.Open(dsn)
case "mysql":
dialector = mysql.Open(dsn)
case "sqlite":
dialector = sqlite.Open(dsn)
default:
panic("暂不支持该数据库驱动: " + driver)
}
DB, err = gorm.Open(dialector, &gorm.Config{
NamingStrategy: schema.NamingStrategy{
TablePrefix: "",
SingularTable: true,
},
Logger: logger.Default.LogMode(logger.Info),
})
if err != nil {
panic("数据库连接失败: " + err.Error())
}
// 配置相关
sqlDB, _ := DB.DB()
sqlDB.SetMaxIdleConns(conf.Conf.DB.MaxIdleCount)
sqlDB.SetMaxOpenConns(conf.Conf.DB.MaxOpenCount)
sqlDB.SetConnMaxLifetime(time.Hour)
// 迁移数据库
autoMigrate(DB)
}
func autoMigrate(db *gorm.DB) {
err := db.AutoMigrate(model.AllModels...)
if err != nil {
panic("数据库迁移失败: " + err.Error())
}
}