refactor,feat: 批量代码重构与新增业务模块

1. 重命名枚举项与实体字段，修正类型引用
2. 新增IsNull扩展方法与多项字符串处理扩展
3. 新增大量业务DTO、服务接口与枚举定义
4. 重构RabbitMQ服务实现，替换旧版消息队列组件
5. 优化签到服务的宠物喂养事务逻辑
6. 移除冗余的项目引用与旧版消息队列代码
7. 新增Excel导出、导入模板相关工具方法

QYZH.InteractiveMagazine.WebApi/Controllers/BaseController.cs

@@ -1,8 +1,12 @@
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using MiniExcelLibs;
+using QYZH.InteractiveMagazine.Infrastructure.Context;
+using QYZH.InteractiveMagazine.Models.Common;
 using QYZH.InteractiveMagazine.Models.Dto;
 using QYZH.InteractiveMagazine.Models.Enum;
 using System.Security.Claims;
+using System.Web;
 
 namespace QYZH.InteractiveMagazine.WebApi.Controllers;
 
@@ -75,4 +79,57 @@ public abstract class BaseController : ControllerBase
     {
         return Ok(BaseResponse.Fail(msg));
     }
+
+    /// <summary>
+    /// 导出Excel
+    /// </summary>
+    /// <param name="path">完整文件路径</param>
+    /// <param name="fileName">带扩展文件名</param>
+    /// <returns></returns>
+    protected IActionResult ExportExcel(string path, string fileName)
+    {
+        //var webHostEnvironment = App.WebHostEnvironment;
+        if (!Path.Exists(path))
+        {
+            throw new BusinessException(fileName + "文件不存在");
+        }
+        var stream = System.IO.File.OpenRead(path);  //创建文件流
+
+        Response.Headers.Append("Access-Control-Expose-Headers", "Content-Disposition");
+        return File(stream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", HttpUtility.UrlEncode(fileName));
+    }
+
+    protected (string, string) DownloadImportTemplate<T>(List<T> list, string fileName)
+    {
+        IWebHostEnvironment webHostEnvironment = ServiceContext.GetService<IWebHostEnvironment>();
+        string sFileName = $"{fileName}.xlsx";
+        string fullPath = Path.Combine(webHostEnvironment.WebRootPath, "ImportTemplate", sFileName);
+
+        //不存在模板创建模板
+        if (!Directory.Exists(fullPath))
+        {
+            var directoryPath = Path.GetDirectoryName(fullPath);
+            if (directoryPath != null)
+            {
+                Directory.CreateDirectory(directoryPath);
+            }
+        }
+        if (!Path.Exists(fullPath))
+        {
+            MiniExcel.SaveAs(fullPath, list, overwriteFile: true);
+        }
+        return (sFileName, fullPath);
+    }
+
+    protected (string, string) ExportExcelMini<T>(List<T> list, string sheetName, string fileName)
+    {
+        IWebHostEnvironment webHostEnvironment = ServiceContext.GetService<IWebHostEnvironment>();
+        string sFileName = $"{fileName}_{DateTime.Now:MMdd_HHmmss}.xlsx";
+        string fullPath = Path.Combine(webHostEnvironment.WebRootPath, "export", sFileName);
+
+        Directory.CreateDirectory(Path.GetDirectoryName(fullPath));
+
+        MiniExcel.SaveAs(fullPath, list, sheetName: sheetName);
+        return (sFileName, fullPath);
+    }
 }