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 jwt
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import (
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"errors"
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"time"
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"github.com/golang-jwt/jwt/v5"
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)
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type Claims struct {
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UserID uint `json:"uid"`
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Username string `json:"username"`
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Role string `json:"role"`
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jwt.RegisteredClaims
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}
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type Manager struct {
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Secret []byte
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ExpireHrs int
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}
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func New(secret string, expireHrs int) *Manager {
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return &Manager{Secret: []byte(secret), ExpireHrs: expireHrs}
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}
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func (m *Manager) Generate(userID uint, username, role string) (string, error) {
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claims := Claims{
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UserID: userID,
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Username: username,
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Role: role,
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RegisteredClaims: jwt.RegisteredClaims{
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ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Duration(m.ExpireHrs) * time.Hour)),
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IssuedAt: jwt.NewNumericDate(time.Now()),
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},
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}
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t := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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return t.SignedString(m.Secret)
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}
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func (m *Manager) Parse(tokenStr string) (*Claims, error) {
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claims := &Claims{}
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t, err := jwt.ParseWithClaims(tokenStr, claims, func(t *jwt.Token) (interface{}, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, errors.New("unexpected signing method")
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}
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return m.Secret, nil
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})
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if err != nil {
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return nil, err
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}
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if !t.Valid {
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return nil, errors.New("invalid token")
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}
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return claims, nil
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}
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