46 lines
849 B
Go
46 lines
849 B
Go
package database
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import (
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"log"
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"time"
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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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// Open initialises a GORM DB connection and runs AutoMigrate for all models.
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func Open(dsn string) (*gorm.DB, error) {
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db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{
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Logger: logger.Default.LogMode(logger.Warn),
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})
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if err != nil {
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return nil, 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.SetMaxIdleConns(5)
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sqlDB.SetMaxOpenConns(20)
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sqlDB.SetConnMaxLifetime(time.Hour)
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if err := autoMigrate(db); err != nil {
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return nil, err
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}
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log.Println("[DB] 数据库连接成功，表结构已同步")
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return db, nil
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}
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func autoMigrate(db *gorm.DB) error {
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return db.AutoMigrate(
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&ProductRow{},
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&ProductCodeRow{},
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&OrderRow{},
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&SiteSettingRow{},
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&WishlistRow{},
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&ChatMessageRow{},
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)
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}
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