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>
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package model
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type ProductCategory struct {
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TenantBase
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Name string `gorm:"size:100;not null" json:"name"`
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ParentID *uint64 `json:"parent_id"`
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SortOrder int `gorm:"default:0" json:"sort_order"`
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}
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type Product struct {
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TenantBase
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Code string `gorm:"size:50" json:"code"`
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Barcode string `gorm:"size:100" json:"barcode"`
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Name string `gorm:"size:200;not null" json:"name"`
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Series string `gorm:"size:100" json:"series"`
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Spec string `gorm:"size:100" json:"spec"`
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Unit string `gorm:"size:20" json:"unit"`
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CategoryID *uint64 `json:"category_id"`
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Brand string `gorm:"size:100" json:"brand"`
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PurchasePrice float64 `gorm:"type:decimal(12,2)" json:"purchase_price"`
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SalePrice float64 `gorm:"type:decimal(12,2)" json:"sale_price"`
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MinStock int `gorm:"default:0" json:"min_stock"`
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CustomFields JSON `gorm:"type:json" json:"custom_fields,omitempty"`
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Remark string `gorm:"size:500" json:"remark"`
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Category *ProductCategory `gorm:"foreignKey:CategoryID" json:"category,omitempty"`
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}
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