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server/internal/database/database.go

@@ -0,0 +1,51 @@
+ package database
+ 
+ import (
+ 	"fmt"
+ 	"log"
+ 
+ 	"github.com/inchstep/server/internal/config"
+ 	"github.com/inchstep/server/internal/models"
+ 	"gorm.io/driver/mysql"
+ 	"gorm.io/gorm"
+ 	"gorm.io/gorm/logger"
+ )
+ 
+ var DB *gorm.DB
+ 
+ // Init 初始化数据库连接并执行自动迁移
+ func Init(cfg *config.Config) *gorm.DB {
+ 	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true&loc=Asia%%2FShanghai",
+ 		cfg.DBUser, cfg.DBPass, cfg.DBHost, cfg.DBPort, cfg.DBName)
+ 
+ 	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{
+ 		Logger: logger.Default.LogMode(logger.Warn),
+ 	})
+ 	if err != nil {
+ 		log.Fatalf("数据库连接失败: %v", err)
+ 	}
+ 
+ 	// 自动迁移
+ 	if err := db.AutoMigrate(
+ 		&models.User{},
+ 		&models.CheckInItem{},
+ 		&models.CheckInRecord{},
+ 		&models.Achievement{},
+ 		&models.UserAchievement{},
+ 		&models.Post{},
+ 		&models.Friend{},
+ 		&models.Group{},
+ &models.GroupMember{},
+ &models.Admin{},
+ 	); err != nil {
+ 		log.Fatalf("数据库迁移失败: %v", err)
+ 	}
+ 
+ 	DB = db
+ 	return db
+ }
+ 
+ // GetDB 获取数据库实例
+ func GetDB() *gorm.DB {
+ 	return DB
+ }