39 lines
722 B
Go
39 lines
722 B
Go
package config
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import (
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"fmt"
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"log/slog"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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// NewDB 初始化 MySQL 连接
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func NewDB(cfg DatabaseConfig) (*gorm.DB, error) {
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gormCfg := &gorm.Config{
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Logger: logger.Default.LogMode(logger.Warn),
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}
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db, err := gorm.Open(mysql.Open(cfg.DSN), gormCfg)
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if err != nil {
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return nil, fmt.Errorf("open mysql: %w", err)
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}
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sqlDB, err := db.DB()
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if err != nil {
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return nil, err
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}
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sqlDB.SetMaxOpenConns(cfg.MaxOpenConns)
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sqlDB.SetMaxIdleConns(cfg.MaxIdleConns)
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sqlDB.SetConnMaxLifetime(cfg.ConnMaxLifetime)
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if err := sqlDB.Ping(); err != nil {
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return nil, fmt.Errorf("ping mysql: %w", err)
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}
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slog.Info("mysql connected")
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return db, nil
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}
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