feat: PhotoWall 毕业照存储系统初始版本
后端: Go(Gin+GORM+MySQL+Redis) - 17张业务表(yz_pw_前缀), 自动迁移 - JWT认证(3小时) + 盐+MD5密码 + 图形验证码 - 班级CRUD/加入(8人姓名验证/邀请码)/审核/30天自动清理 - 系统配置(16项)/菜单管理(动态路由)/数据统计 - 文件MD5去重/数据隔离/账号封禁/敏感词DFA检测 前端: Vue3+Vite+Element Plus+Less+ECharts+FontAwesome - 动态路由(数据库菜单驱动) - 蓝白配色, H5响应式 - 登录/注册/忘记密码/个人中心 - 班级创建向导/详情/加入/列表 - 管理后台: 审核/配置/菜单/统计/用户/敏感词 数据库: MySQL 10.31.100.3:3306/photowall 管理员: hero920103 / 920103
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package service
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import (
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"photowall/internal/model"
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"gorm.io/gorm"
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)
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type RegionService struct {
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db *gorm.DB
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}
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func NewRegionService(db *gorm.DB) *RegionService {
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return &RegionService{db: db}
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}
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// ListByParent 根据父级ID查子地区;parentID=0 查国家
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func (s *RegionService) ListByParent(parentID uint) ([]model.Region, error) {
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var list []model.Region
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err := s.db.Where("parent_id = ?", parentID).Order("sort_order, name").Find(&list).Error
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return list, err
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}
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// ListCountries 查所有国家
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func (s *RegionService) ListCountries() ([]model.Region, error) {
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var list []model.Region
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err := s.db.Where("level = ?", model.LevelCountry).Order("sort_order, name").Find(&list).Error
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return list, err
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}
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// GetPath 获取某地区的完整路径(国家->省->县)
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func (s *RegionService) GetPath(regionID uint) ([]model.Region, error) {
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var r model.Region
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if err := s.db.First(&r, regionID).Error; err != nil {
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return nil, err
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}
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path := []model.Region{r}
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cur := r
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for cur.ParentID != 0 {
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var parent model.Region
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if err := s.db.First(&parent, cur.ParentID).Error; err != nil {
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break
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}
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// 插到前面
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path = append([]model.Region{parent}, path...)
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cur = parent
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}
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return path, nil
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}
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// Search 按名称搜索地区(用于快速定位)
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func (s *RegionService) Search(keyword string, limit int) ([]model.Region, error) {
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if limit <= 0 {
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limit = 20
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}
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var list []model.Region
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err := s.db.Where("name LIKE ? OR name_en LIKE ?", "%"+keyword+"%", "%"+keyword+"%").
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Order("level, sort_order, name").Limit(limit).Find(&list).Error
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return list, err
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}
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// BatchCreate 平台管理员批量录入地区(导入完整行政区划数据用)
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func (s *RegionService) BatchCreate(regions []model.Region) error {
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if len(regions) == 0 {
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return nil
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}
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return s.db.CreateInBatches(regions, 100).Error
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}
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