erp_server/model/base_init_db.go
2022-10-09 11:39:33 +08:00

80 lines
1.7 KiB
Go

package model
import (
"fmt"
"gitee.com/codinl/erp_server/config"
"time"
"github.com/codinl/go-logger"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/mysql"
)
var DB *gorm.DB
func InitDB() {
var err error
dialect := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local",
config.ConfigValue.MysqlUser, config.ConfigValue.MysqlPassword, config.ConfigValue.MysqlHost, config.ConfigValue.MysqlPort,
config.ConfigValue.MysqlDBName)
DB, err = gorm.Open(config.ConfigValue.MysqlDriver, dialect)
if err != nil {
logger.Info("Connect Database Error:", err)
panic(err)
}
DB.DB().SetMaxOpenConns(1000)
DB.DB().SetMaxIdleConns(500)
DB.DB().SetConnMaxLifetime(time.Second * 10)
DB.LogMode(true)
DB.SingularTable(true)
if err := DB.DB().Ping(); err != nil {
logger.Info("Ping Database Fail:", err)
panic(err)
}
fmt.Println("DB init success")
logger.Info("DB init success")
}
func CloseDB() {
if DB != nil {
if err := DB.Close(); err != nil {
fmt.Println("DB Close err", err)
logger.Error("DB Close err", err)
}
}
}
type DBLoggerWriter struct {
gorm.LogWriter
}
func (DBLoggerWriter) Print(values ...interface{}) {
}
func TransactionBegin() *gorm.DB {
return DB.Begin()
}
// Transaction 事务自动处理,如果有错误将回滚,否则将提交事务
func Transaction(tx *gorm.DB, err error) error {
if err == nil {
ret := tx.Commit()
if ret.Error != nil {
return ret.Error
}
return err
}
ret := tx.Rollback()
if ret.Error != nil {
return ret.Error
}
return nil
}
func initCreateTable() {
if err := DB.Set("gorm:table_options", "ENGINE=InnoDB DEFAULT CHARSET=utf8").AutoMigrate().Error; err != nil {
logger.Info("AutoMigrate createTable Error:", err)
}
}