feat: 新增轮播图和资料管理模块

此提交完整实现了小程序端和管理后台的轮播图、资料管理功能：
1. 新增3个枚举类型：轮播图展示位置、跳转类型、资料文件类型
2. 新增数据库表结构SQL脚本，包含Banner、Material、MaterialFile表
3. 新增实体类定义，适配SqlSugar ORM
4. 新增服务接口与实现，包含CRUD、状态切换、列表查询等完整业务逻辑
5. 新增管理后台API控制器和小程序端API控制器
6. 新增数据传输对象，包含输入、输出、查询参数等类型
7. 实现了OSS临时文件迁移、参数校验、分页查询、软删除等基础功能

QYZH.InteractiveMagazine.Models/Dto/Banner/BannerDto.cs

@@ -0,0 +1,163 @@
+using QYZH.InteractiveMagazine.Common.Helpers;
+using QYZH.InteractiveMagazine.Models.Enum;
+
+namespace QYZH.InteractiveMagazine.Models.Dto.Banner;
+
+/// <summary>
+/// 轮播图创建/更新输入
+/// </summary>
+public class BannerInput
+{
+    /// <summary>
+    /// 标题
+    /// </summary>
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 轮播图OSS路径
+    /// </summary>
+    public string ImageUrl { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 展示位置
+    /// </summary>
+    public BannerPositionEnum Position { get; set; } = BannerPositionEnum.Home;
+
+    /// <summary>
+    /// 跳转类型
+    /// </summary>
+    public BannerTargetTypeEnum TargetType { get; set; } = BannerTargetTypeEnum.None;
+
+    /// <summary>
+    /// 跳转值
+    /// </summary>
+    public string? TargetValue { get; set; }
+
+    /// <summary>
+    /// 排序值，越小越靠前
+    /// </summary>
+    public int Sort { get; set; }
+
+    /// <summary>
+    /// 生效开始时间
+    /// </summary>
+    public DateTime? StartTime { get; set; }
+
+    /// <summary>
+    /// 生效结束时间
+    /// </summary>
+    public DateTime? EndTime { get; set; }
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    public string? Remark { get; set; }
+}
+
+/// <summary>
+/// 轮播图输出
+/// </summary>
+public class BannerOutput
+{
+    private string _imageUrl = string.Empty;
+
+    /// <summary>
+    /// 主键ID
+    /// </summary>
+    public long Id { get; set; }
+
+    /// <summary>
+    /// 标题
+    /// </summary>
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 轮播图完整地址
+    /// </summary>
+    public string ImageUrl
+    {
+        get => DomainHelper.OssFullUrl(_imageUrl);
+        set => _imageUrl = value ?? string.Empty;
+    }
+
+    /// <summary>
+    /// 展示位置
+    /// </summary>
+    public BannerPositionEnum Position { get; set; }
+
+    /// <summary>
+    /// 跳转类型
+    /// </summary>
+    public BannerTargetTypeEnum TargetType { get; set; }
+
+    /// <summary>
+    /// 跳转值
+    /// </summary>
+    public string? TargetValue { get; set; }
+
+    /// <summary>
+    /// 排序值，越小越靠前
+    /// </summary>
+    public int Sort { get; set; }
+
+    /// <summary>
+    /// 生效开始时间
+    /// </summary>
+    public DateTime? StartTime { get; set; }
+
+    /// <summary>
+    /// 生效结束时间
+    /// </summary>
+    public DateTime? EndTime { get; set; }
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    public string? Remark { get; set; }
+
+    /// <summary>
+    /// 状态
+    /// </summary>
+    public int Status { get; set; }
+
+    /// <summary>
+    /// 创建人
+    /// </summary>
+    public string? CreatedBy { get; set; }
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreatedAt { get; set; }
+
+    /// <summary>
+    /// 修改人
+    /// </summary>
+    public string? UpdatedBy { get; set; }
+
+    /// <summary>
+    /// 修改时间
+    /// </summary>
+    public DateTime? UpdatedAt { get; set; }
+}
+
+/// <summary>
+/// 轮播图分页查询输入
+/// </summary>
+public class BannerQueryInput : PageQueryModel
+{
+    /// <summary>
+    /// 标题
+    /// </summary>
+    public string? Title { get; set; }
+
+    /// <summary>
+    /// 展示位置
+    /// </summary>
+    public BannerPositionEnum? Position { get; set; }
+
+    /// <summary>
+    /// 状态
+    /// </summary>
+    public int? Status { get; set; }
+}

QYZH.InteractiveMagazine.Models/Dto/Material/MaterialDto.cs

@@ -0,0 +1,200 @@
+using QYZH.InteractiveMagazine.Common.Helpers;
+using QYZH.InteractiveMagazine.Models.Enum;
+
+namespace QYZH.InteractiveMagazine.Models.Dto.Material;
+
+/// <summary>
+/// 资料创建/更新输入
+/// </summary>
+public class MaterialInput
+{
+    /// <summary>
+    /// 资料标题
+    /// </summary>
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 资料名称
+    /// </summary>
+    public string? Name { get; set; }
+
+    /// <summary>
+    /// 资料描述
+    /// </summary>
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 排序值，越小越靠前
+    /// </summary>
+    public int Sort { get; set; }
+
+    /// <summary>
+    /// 生效开始时间
+    /// </summary>
+    public DateTime? StartTime { get; set; }
+
+    /// <summary>
+    /// 生效结束时间
+    /// </summary>
+    public DateTime? EndTime { get; set; }
+
+    /// <summary>
+    /// 资料文件列表
+    /// </summary>
+    public List<MaterialFileInput> Files { get; set; } = new();
+}
+
+/// <summary>
+/// 资料文件输入
+/// </summary>
+public class MaterialFileInput
+{
+    /// <summary>
+    /// 文件类型
+    /// </summary>
+    public MaterialFileTypeEnum FileType { get; set; }
+
+    /// <summary>
+    /// 文件OSS路径
+    /// </summary>
+    public string FileUrl { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 文件名称
+    /// </summary>
+    public string? FileName { get; set; }
+
+    /// <summary>
+    /// 排序值，越小越靠前
+    /// </summary>
+    public int Sort { get; set; }
+}
+
+/// <summary>
+/// 资料输出
+/// </summary>
+public class MaterialOutput
+{
+    /// <summary>
+    /// 主键ID
+    /// </summary>
+    public long Id { get; set; }
+
+    /// <summary>
+    /// 资料标题
+    /// </summary>
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 资料名称
+    /// </summary>
+    public string? Name { get; set; }
+
+    /// <summary>
+    /// 资料描述
+    /// </summary>
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 排序值，越小越靠前
+    /// </summary>
+    public int Sort { get; set; }
+
+    /// <summary>
+    /// 生效开始时间
+    /// </summary>
+    public DateTime? StartTime { get; set; }
+
+    /// <summary>
+    /// 生效结束时间
+    /// </summary>
+    public DateTime? EndTime { get; set; }
+
+    /// <summary>
+    /// 状态
+    /// </summary>
+    public int Status { get; set; }
+
+    /// <summary>
+    /// 创建人
+    /// </summary>
+    public string? CreatedBy { get; set; }
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreatedAt { get; set; }
+
+    /// <summary>
+    /// 修改人
+    /// </summary>
+    public string? UpdatedBy { get; set; }
+
+    /// <summary>
+    /// 修改时间
+    /// </summary>
+    public DateTime? UpdatedAt { get; set; }
+
+    /// <summary>
+    /// 资料文件列表
+    /// </summary>
+    public List<MaterialFileOutput> Files { get; set; } = new();
+}
+
+/// <summary>
+/// 资料文件输出
+/// </summary>
+public class MaterialFileOutput
+{
+    private string _fileUrl = string.Empty;
+
+    /// <summary>
+    /// 主键ID
+    /// </summary>
+    public long Id { get; set; }
+
+    /// <summary>
+    /// 文件类型
+    /// </summary>
+    public MaterialFileTypeEnum FileType { get; set; }
+
+    /// <summary>
+    /// 文件完整地址
+    /// </summary>
+    public string FileUrl
+    {
+        get => DomainHelper.OssFullUrl(_fileUrl);
+        set => _fileUrl = value ?? string.Empty;
+    }
+
+    /// <summary>
+    /// 文件名称
+    /// </summary>
+    public string? FileName { get; set; }
+
+    /// <summary>
+    /// 排序值，越小越靠前
+    /// </summary>
+    public int Sort { get; set; }
+}
+
+/// <summary>
+/// 资料分页查询输入
+/// </summary>
+public class MaterialQueryInput : PageQueryModel
+{
+    /// <summary>
+    /// 标题
+    /// </summary>
+    public string? Title { get; set; }
+
+    /// <summary>
+    /// 名称
+    /// </summary>
+    public string? Name { get; set; }
+
+    /// <summary>
+    /// 状态
+    /// </summary>
+    public int? Status { get; set; }
+}