Files
mayfly-go/server/internal/pkg/starter/gorm.go
zongyangleo 142bbd265d !134 feat: 新增支持es和连接池
* feat: 各连接,支持连接池
* feat:支持es
2025-05-21 04:42:30 +00:00

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package starter
import (
"log"
"mayfly-go/internal/pkg/config"
"mayfly-go/pkg/global"
"mayfly-go/pkg/logx"
"time"
"github.com/glebarez/sqlite"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"gorm.io/gorm/schema"
)
func initDb() {
global.Db = initGormDb()
}
func initGormDb() *gorm.DB {
m := config.Conf.Mysql
// 存在msyql数据库名则优先使用mysql
if m.Dbname != "" {
return initMysql(m)
}
return initSqlite(config.Conf.Sqlite)
}
func initMysql(m config.Mysql) *gorm.DB {
logx.Infof("connecting to mysql [%s]", m.Host)
mysqlConfig := mysql.Config{
DSN: m.Dsn(), // DSN data source name
DefaultStringSize: 191, // string 类型字段的默认长度
DisableDatetimePrecision: true, // 禁用 datetime 精度MySQL 5.6 之前的数据库不支持
DontSupportRenameIndex: true, // 重命名索引时采用删除并新建的方式MySQL 5.7 之前的数据库和 MariaDB 不支持重命名索引
DontSupportRenameColumn: true, // 用 `change` 重命名列MySQL 8 之前的数据库和 MariaDB 不支持重命名列
SkipInitializeWithVersion: false, // 根据版本自动配置
}
if db, err := gorm.Open(mysql.New(mysqlConfig), getGormConfig()); err != nil {
logx.Panicf("failed to connect to mysql! [%s]", err.Error())
return nil
} else {
sqlDB, _ := db.DB()
sqlDB.SetMaxIdleConns(m.MaxIdleConns)
sqlDB.SetMaxOpenConns(m.MaxOpenConns)
// 如果是开发环境时打印sql语句
if logx.GetConfig().IsDebug() {
db = db.Debug()
}
return db
}
}
func initSqlite(sc config.Sqlite) *gorm.DB {
logx.Infof("connecting to sqlite [%s]", sc.Path)
if db, err := gorm.Open(sqlite.Open(sc.Path), getGormConfig()); err != nil {
logx.Panicf("failed to connect to sqlite! [%s]", err.Error())
return nil
} else {
sqlDB, _ := db.DB()
sqlDB.SetMaxIdleConns(sc.MaxIdleConns)
sqlDB.SetMaxOpenConns(sc.MaxOpenConns)
return db
}
}
func getGormConfig() *gorm.Config {
sqlLogLevel := logger.Error
logConf := logx.GetConfig()
// 如果为配置文件中配置的系统日志级别为debug则打印gorm执行的sql信息
if logConf.IsDebug() {
sqlLogLevel = logger.Info
}
gormLogger := logger.New(
log.New(logConf.GetLogOut(), "\r\n", log.LstdFlags), // io writer日志输出的目标前缀和日志包含的内容——译者注
logger.Config{
SlowThreshold: time.Second, // 慢 SQL 阈值
LogLevel: sqlLogLevel, // 日志级别, 改为logger.Info即可显示sql语句
IgnoreRecordNotFoundError: true, // 忽略ErrRecordNotFound记录未找到错误
Colorful: false, // 禁用彩色打印
},
)
return &gorm.Config{NamingStrategy: schema.NamingStrategy{
TablePrefix: "t_",
SingularTable: true,
}, Logger: gormLogger}
}