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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import "time"
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type License struct {
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Base
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HotelID uint64 `gorm:"not null;index" json:"hotel_id"`
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LicenseKey string `gorm:"size:255;uniqueIndex" json:"license_key"`
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DeviceID string `gorm:"size:255" json:"device_id"`
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Type string `gorm:"type:enum('trial','annual','lifetime');default:'trial'" json:"type"`
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ExpiresAt *time.Time `json:"expires_at"`
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IsActive bool `gorm:"default:true" json:"is_active"`
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Features JSON `gorm:"type:json" json:"features,omitempty"`
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ActivatedAt *time.Time `json:"activated_at"`
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}
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