init

zhangqian

2023-08-14 676ef551324d415ed5280166407c686481c6f51f

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package mysqlx
 
import (
    "go.uber.org/zap"
    "gorm.io/driver/mysql"
    "gorm.io/gorm"
    "gorm.io/gorm/logger"
    "gorm.io/gorm/schema"
    "moul.io/zapgorm2"
    "time"
)
 
type Conf struct {
    LogMode               bool
    MaxIdleCon            int64
    MaxOpenCon            int64
    ConnMaxLifeTimeSecond int64
    ConnMaxIdleTimeSecond int64
    Dsn                   string
    Host                  string
}
 
var openDb *gorm.DB
 
func Init(conf *Conf, log *zap.Logger) error {
    gConfig := &gorm.Config{
        PrepareStmt: true,
        NamingStrategy: schema.NamingStrategy{
            TablePrefix:   "",
            SingularTable: true,
        },
        DisableForeignKeyConstraintWhenMigrating: true,
    }
    dbLogger := zapgorm2.New(log).LogMode(logger.Info)
    if !conf.LogMode {
        dbLogger = dbLogger.LogMode(logger.Silent)
    }
    gConfig.Logger = dbLogger
    db, err := gorm.Open(mysql.Open(conf.Dsn), gConfig)
    if err != nil {
        return err
    }
    sqlDb, err := db.DB()
    if err != nil {
        return err
    }
    sqlDb.SetMaxIdleConns(int(conf.MaxIdleCon))
    sqlDb.SetMaxOpenConns(int(conf.MaxOpenCon))
    sqlDb.SetConnMaxLifetime(time.Duration(conf.ConnMaxLifeTimeSecond) * time.Second)
    sqlDb.SetConnMaxIdleTime(time.Duration(conf.ConnMaxIdleTimeSecond) * time.Second)
    openDb = db
    return nil
}
 
func GetDB() *gorm.DB {
    return openDb
}