Files
SharedClassManager/backend-go/internal/repository/system_setting_repo.go
canglan 4a82eff3c6 feat: 多班级版班级管理系统 v2.0
技术栈:Go (Gin + GORM) + PHP + MySQL 5.7 + Redis

主要功能:
- 多班级完全隔离(class_id 贯穿全系统)
- 后端 Go Gin(端口 56789),Nginx 反代
- 超级管理员独立登录(env 配置,默认账密 admin/Admin123)
- bcrypt 密码加密(无 PASSWORD_SALT)
- 科任老师/课代表新角色
- 课代表作业管理页面
- 排行榜分项排行(操行分/考勤/作业)
- 角色加减分上下限由班主任配置
- 家长改密功能(可开关)
- 班级角色按需开关
- 宿舍号格式:南0-000
- 周度/月度重置功能
- MySQL 5.7 兼容
- 43 轮代码审查 + 全部修复

开发者: Canglan
版权归属: Sea Network Technology Studio
许可证: Apache License 2.0
2026-06-23 04:41:49 +08:00

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// ===========================================
// 多班级版班级管理系统 - Go 后端
//
// 开发者: Canglan
// 联系方式: admin@sea-studio.top
// 版权归属: Sea Network Technology Studio
// 许可证: Apache License 2.0
//
// 版权所有 © Sea Network Technology Studio
// ===========================================
package repository
import (
"gorm.io/gorm"
"gorm.io/gorm/clause"
"hz-gitea.sea-studio.top/canglan/SharedClassManager/internal/model"
)
// SystemSettingRepo 系统设置数据访问层
type SystemSettingRepo struct {
db *gorm.DB
}
// NewSystemSettingRepo 创建系统设置 Repository
func NewSystemSettingRepo(db *gorm.DB) *SystemSettingRepo {
return &SystemSettingRepo{db: db}
}
// GetByKey 根据键名获取系统设置
func (r *SystemSettingRepo) GetByKey(key string) (*model.SystemSetting, error) {
var setting model.SystemSetting
if err := r.db.Where("setting_key = ?", key).First(&setting).Error; err != nil {
return nil, err
}
return &setting, nil
}
// GetAll 获取所有系统设置
func (r *SystemSettingRepo) GetAll() ([]model.SystemSetting, error) {
var settings []model.SystemSetting
if err := r.db.Find(&settings).Error; err != nil {
return nil, err
}
return settings, nil
}
// GetByKeyMap 获取所有系统设置并转为 map
func (r *SystemSettingRepo) GetByKeyMap() (map[string]string, error) {
settings, err := r.GetAll()
if err != nil {
return nil, err
}
result := make(map[string]string, len(settings))
for _, s := range settings {
result[s.SettingKey] = s.SettingValue
}
return result, nil
}
// Save 保存系统设置upsert
func (r *SystemSettingRepo) Save(key, value string) error {
setting := model.SystemSetting{
SettingKey: key,
SettingValue: value,
}
return r.db.Clauses(clause.OnConflict{
Columns: []clause.Column{{Name: "setting_key"}},
DoUpdates: clause.AssignmentColumns([]string{"setting_value"}),
}).Create(&setting).Error
}
// BatchSave 批量保存系统设置
func (r *SystemSettingRepo) BatchSave(settings map[string]string) error {
for key, value := range settings {
if err := r.Save(key, value); err != nil {
return err
}
}
return nil
}
// GetValue 根据键名获取设置值
func (r *SystemSettingRepo) GetValue(key string) (string, error) {
setting, err := r.GetByKey(key)
if err != nil {
return "", err
}
return setting.SettingValue, nil
}
// GetValueWithDefault 根据键名获取设置值,不存在则返回默认值
func (r *SystemSettingRepo) GetValueWithDefault(key, defaultValue string) string {
setting, err := r.GetByKey(key)
if err != nil {
return defaultValue
}
return setting.SettingValue
}