first commot

WebApi/Controllers/BillImportController.cs

@@ -0,0 +1,84 @@
+namespace WebApi.Controllers;
+
+/// <summary>
+/// 账单导入控制器
+/// </summary>
+[ApiController]
+[Route("api/[controller]/[action]")]
+public class BillImportController(
+    ILogger<BillImportController> logger,
+    IImportService importService
+) : ControllerBase
+{
+    /// <summary>
+    /// 上传账单文件
+    /// </summary>
+    /// <param name="file">账单文件</param>
+    /// <param name="type">账单类型（Alipay | WeChat）</param>
+    /// <returns></returns>
+    [HttpPost]
+    public async Task<BaseResponse<object>> UploadFile(
+        [FromForm] IFormFile file,
+        [FromForm] string type
+    )
+    {
+        try
+        {
+            // 验证参数
+            if (file.Length == 0)
+            {
+                return BaseResponse<object>.Fail("请选择要上传的文件");
+            }
+
+            if (string.IsNullOrWhiteSpace(type) || (type != "Alipay" && type != "WeChat"))
+            {
+                return BaseResponse<object>.Fail("账单类型参数错误，必须是 Alipay 或 WeChat");
+            }
+
+            // 验证文件类型
+            var allowedExtensions = new[] { ".csv", ".xlsx", ".xls" };
+            var fileExtension = Path.GetExtension(file.FileName).ToLowerInvariant();
+            if (!allowedExtensions.Contains(fileExtension))
+            {
+                return BaseResponse<object>.Fail("只支持 CSV 或 Excel 文件格式");
+            }
+
+            // 验证文件大小（10MB限制）
+            const long maxFileSize = 10 * 1024 * 1024;
+            if (file.Length > maxFileSize)
+            {
+                return BaseResponse<object>.Fail("文件大小不能超过 10MB");
+            }
+
+            // 生成唯一文件名
+            var fileName = $"{type}_{DateTime.Now:yyyyMMddHHmmss}_{Guid.NewGuid():N}{fileExtension}";
+
+            // 保存文件
+            var ok = false;
+            var message = string.Empty;
+            await using (var stream = new MemoryStream())
+            {
+                await file.CopyToAsync(stream);
+                if (type == "Alipay")
+                {
+                    (ok, message) = await importService.ImportAlipayAsync(stream, fileExtension);
+                }
+                else if (type == "WeChat")
+                {
+                    (ok, message) = await importService.ImportWeChatAsync(stream, fileExtension);
+                }
+            }
+
+            return new BaseResponse<object>
+            {
+                Success = ok,
+                Message = message
+            };
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "文件上传失败，类型: {Type}", type);
+            return BaseResponse<object>.Fail($"文件上传失败: {ex.Message}");
+        }
+    }
+}