完成数据库结构升级 - 移除模拟数据，实现真实数据库集成

- 扩展数据库表结构，添加会员等级、用户会员信息、视频任务、用户作品、系统配置等表
- 更新用户表，添加手机号、头像、昵称、性别、生日、地址等字段
- 创建完整的初始数据，包含10个用户、3个会员等级、15个订单、10个视频任务、10个用户作品
- 实现会员管理API控制器，支持CRUD操作和批量操作
- 创建会员等级和用户会员信息实体类及仓库接口
- 更新前端会员管理页面，集成真实API调用，保留模拟数据作为后备
- 实现编辑功能，支持修改用户名、会员等级、资源点、到期时间等信息

demo/src/main/java/com/example/demo/model/User.java

@@ -44,9 +44,36 @@ public class User {
     @Column(nullable = false)
     private Integer points = 50; // 默认50积分
 
+    @Column(name = "phone", length = 20)
+    private String phone;
+
+    @Column(name = "avatar", length = 500)
+    private String avatar;
+
+    @Column(name = "nickname", length = 100)
+    private String nickname;
+
+    @Column(name = "gender", length = 10)
+    private String gender;
+
+    @Column(name = "birthday")
+    private java.time.LocalDate birthday;
+
+    @Column(name = "address", columnDefinition = "TEXT")
+    private String address;
+
+    @Column(name = "is_active", nullable = false)
+    private Boolean isActive = true;
+
+    @Column(name = "last_login_at")
+    private LocalDateTime lastLoginAt;
+
     @Column(name = "created_at", nullable = false)
     private LocalDateTime createdAt;
 
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
     @PrePersist
     protected void onCreate() {
         createdAt = LocalDateTime.now();
@@ -107,6 +134,78 @@ public class User {
     public void setCreatedAt(LocalDateTime createdAt) {
         this.createdAt = createdAt;
     }
+
+    public String getPhone() {
+        return phone;
+    }
+
+    public void setPhone(String phone) {
+        this.phone = phone;
+    }
+
+    public String getAvatar() {
+        return avatar;
+    }
+
+    public void setAvatar(String avatar) {
+        this.avatar = avatar;
+    }
+
+    public String getNickname() {
+        return nickname;
+    }
+
+    public void setNickname(String nickname) {
+        this.nickname = nickname;
+    }
+
+    public String getGender() {
+        return gender;
+    }
+
+    public void setGender(String gender) {
+        this.gender = gender;
+    }
+
+    public java.time.LocalDate getBirthday() {
+        return birthday;
+    }
+
+    public void setBirthday(java.time.LocalDate birthday) {
+        this.birthday = birthday;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+
+    public Boolean getIsActive() {
+        return isActive;
+    }
+
+    public void setIsActive(Boolean isActive) {
+        this.isActive = isActive;
+    }
+
+    public LocalDateTime getLastLoginAt() {
+        return lastLoginAt;
+    }
+
+    public void setLastLoginAt(LocalDateTime lastLoginAt) {
+        this.lastLoginAt = lastLoginAt;
+    }
+
+    public LocalDateTime getUpdatedAt() {
+        return updatedAt;
+    }
+
+    public void setUpdatedAt(LocalDateTime updatedAt) {
+        this.updatedAt = updatedAt;
+    }
 }