Files
jiu/backend/main.go
T
wangjia 0e42f0e417 init: 后端框架脚手架 (Go + Gin + GORM + MySQL)
- 项目目录结构:backend/ deploy/ schema/ migrations/
- 数据库 Schema:所有建表 SQL,含 hotel_id 多租户隔离
- Go 后端:config、model、handler、service、middleware、router
- 认证:账号密码登录 + JWT(Access + Refresh Token)
- 许可证:HMAC-SHA256 激活码生成 + 设备绑定验证
- 业务模块:商品、仓库、往来单位、入库、出库、库存、盘点
- 库存事务:入库/出库审核时原子更新库存 + 流水记录
- 数据导入:Excel/CSV 批量导入商品、往来单位
- Docker Compose:本地 MySQL + Adminer

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-04 01:24:53 +08:00

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package main
import (
"fmt"
"log"
"github.com/gin-gonic/gin"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"github.com/wangjia/jiu/backend/config"
"github.com/wangjia/jiu/backend/internal/model"
"github.com/wangjia/jiu/backend/internal/router"
)
func main() {
// 加载配置
config.Load()
// 初始化数据库
db := initDB()
// 自动迁移(开发环境用,生产使用 golang-migrate
if config.C.Server.Mode == "debug" {
autoMigrate(db)
}
// 启动 Gin
gin.SetMode(config.C.Server.Mode)
r := gin.New()
r.Use(gin.Logger(), gin.Recovery())
// CORS(开发期间允许所有来源)
r.Use(func(c *gin.Context) {
c.Header("Access-Control-Allow-Origin", "*")
c.Header("Access-Control-Allow-Methods", "GET,POST,PUT,DELETE,OPTIONS")
c.Header("Access-Control-Allow-Headers", "Authorization,Content-Type")
if c.Request.Method == "OPTIONS" {
c.AbortWithStatus(204)
return
}
c.Next()
})
router.Setup(r, db)
addr := fmt.Sprintf(":%s", config.C.Server.Port)
log.Printf("Server starting on %s (mode: %s)", addr, config.C.Server.Mode)
if err := r.Run(addr); err != nil {
log.Fatalf("Server failed: %v", err)
}
}
func initDB() *gorm.DB {
dsn := config.C.Database.DSN
if dsn == "" {
log.Fatal("database.dsn is required in config")
}
logLevel := logger.Silent
if config.C.Server.Mode == "debug" {
logLevel = logger.Info
}
db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{
Logger: logger.Default.LogMode(logLevel),
})
if err != nil {
log.Fatalf("failed to connect database: %v", err)
}
sqlDB, _ := db.DB()
sqlDB.SetMaxIdleConns(10)
sqlDB.SetMaxOpenConns(100)
return db
}
func autoMigrate(db *gorm.DB) {
err := db.AutoMigrate(
&model.Hotel{},
&model.User{},
&model.OAuthProvider{},
&model.License{},
&model.ProductCategory{},
&model.Product{},
&model.Warehouse{},
&model.Partner{},
&model.StockInOrder{},
&model.StockInItem{},
&model.StockOutOrder{},
&model.StockOutItem{},
&model.Inventory{},
&model.InventoryLog{},
&model.InventoryCheck{},
&model.InventoryCheckItem{},
&model.FinanceRecord{},
&model.NumberRule{},
)
if err != nil {
log.Fatalf("auto migrate failed: %v", err)
}
log.Println("AutoMigrate completed")
}