feat: 优化预算管理界面，增强预算编辑功能，添加预算删除接口

WebApi/Controllers/BudgetController.cs

@@ -16,7 +16,7 @@ public class BudgetController(
         {
             var budgets = await budgetService.GetAllAsync();
             var dtos = new List<BudgetDto>();
-            
+
             foreach (var budget in budgets)
             {
                 var currentAmount = await budgetService.CalculateCurrentAmountAsync(budget, referenceDate);
@@ -53,6 +53,24 @@ public class BudgetController(
         }
     }
 
+    /// <summary>
+    /// 删除预算
+    /// </summary>
+    [HttpDelete("{id}")]
+    public async Task<BaseResponse> DeleteByIdAsync(long id)
+    {
+        try
+        {
+            var success = await budgetService.DeleteAsync(id);
+            return success ? BaseResponse.Done() : "删除预算失败".Fail();
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "删除预算失败, Id: {Id}", id);
+            return $"删除预算失败: {ex.Message}".Fail();
+        }
+    }
+
     /// <summary>
     /// 创建预算
     /// </summary>
@@ -71,6 +89,12 @@ public class BudgetController(
                 StartDate = dto.StartDate ?? DateTime.Now
             };
 
+            var varidationError = await ValidateBudgetSelectedCategoriesAsync(budget);
+            if (!string.IsNullOrEmpty(varidationError))
+            {
+                return varidationError.Fail<long>();
+            }
+
             var success = await budgetService.AddAsync(budget);
             if (success)
             {
@@ -85,24 +109,6 @@ public class BudgetController(
         }
     }
 
-    /// <summary>
-    /// 删除预算
-    /// </summary>
-    [HttpDelete("{id}")]
-    public async Task<BaseResponse> DeleteByIdAsync(long id)
-    {
-        try
-        {
-            var success = await budgetService.DeleteAsync(id);
-            return success ? BaseResponse.Done() : "删除预算失败".Fail();
-        }
-        catch (Exception ex)
-        {
-            logger.LogError(ex, "删除预算失败, Id: {Id}", id);
-            return $"删除预算失败: {ex.Message}".Fail();
-        }
-    }
-
     /// <summary>
     /// 更新预算
     /// </summary>
@@ -125,6 +131,12 @@ public class BudgetController(
                 budget.StartDate = dto.StartDate.Value;
             }
 
+            var varidationError = await ValidateBudgetSelectedCategoriesAsync(budget);
+            if (!string.IsNullOrEmpty(varidationError))
+            {
+                return varidationError.Fail();
+            }
+
             var success = await budgetService.UpdateAsync(budget);
             return success ? BaseResponse.Done() : "更新预算失败".Fail();
         }
@@ -135,6 +147,27 @@ public class BudgetController(
         }
     }
 
+    private async Task<string> ValidateBudgetSelectedCategoriesAsync(BudgetRecord record)
+    {
+        var allBudgets = await budgetService.GetAllAsync();
+
+        var recordSelectedCategories = record.SelectedCategories.Split(',', StringSplitOptions.RemoveEmptyEntries);
+        foreach (var budget in allBudgets)
+        {
+            var selectedCategories = budget.SelectedCategories.Split(',', StringSplitOptions.RemoveEmptyEntries);
+            if (budget.Id != record.Id)
+            {
+                if (budget.Category == record.Category &&
+                    recordSelectedCategories.Intersect(selectedCategories).Any())
+                {
+                    return $"和 {budget.Name} 存在分类冲突，请调整相关分类。";
+                }
+            }
+        }
+
+        return string.Empty;
+    }
+
     /// <summary>
     /// 切换预算暂停状态
     /// </summary>

WebApi/Controllers/Dto/BudgetDto.cs

@@ -12,6 +12,8 @@ public class BudgetDto
     public bool IsStopped { get; set; }
     public string StartDate { get; set; } = string.Empty;
     public string Period { get; set; } = string.Empty;
+    public DateTime? PeriodStart { get; set; }
+    public DateTime? PeriodEnd { get; set; }
 
     public static BudgetDto FromEntity(BudgetRecord entity, decimal currentAmount = 0, DateTime? referenceDate = null)
     {
@@ -38,7 +40,9 @@ public class BudgetDto
                 BudgetPeriodType.Month => $"{start:yy}年第{start.Month}月",
                 BudgetPeriodType.Week => $"{start:yy}年第{System.Globalization.CultureInfo.CurrentCulture.Calendar.GetWeekOfYear(start, System.Globalization.CalendarWeekRule.FirstDay, DayOfWeek.Monday)}周",
                 _ => $"{start:yyyy-MM-dd} ~ {end:yyyy-MM-dd}"
-            }
+            },
+            PeriodStart = start,
+            PeriodEnd = end
         };
     }
 }