添加动态目标

Entity/BudgetArchive.cs

@@ -23,6 +23,16 @@ public class BudgetArchive : BaseEntity
     /// </summary>
     public DateTime ArchiveDate { get; set; } = DateTime.Now;
 
+    /// <summary>
+    /// 支出结余（预算 - 实际，正数表示省钱，负数表示超支）
+    /// </summary>
+    public decimal ExpenseSurplus { get; set; }
+
+    /// <summary>
+    /// 收入结余（实际 - 预算，正数表示超额收入，负数表示未达预期）
+    /// </summary>
+    public decimal IncomeSurplus { get; set; }
+
     public string? Summary { get; set; }
 }
 

Repository/BudgetArchiveRepository.cs

@@ -5,6 +5,8 @@ public interface IBudgetArchiveRepository : IBaseRepository<BudgetArchive>
     Task<BudgetArchive?> GetArchiveAsync(int year, int month);
 
     Task<List<BudgetArchive>> GetListAsync(int year, int month);
+
+    Task<List<BudgetArchive>> GetArchivesByYearAsync(int year);
 }
 
 public class BudgetArchiveRepository(
@@ -25,4 +27,12 @@ public class BudgetArchiveRepository(
             .Where(a => a.Year == year && a.Month == month)
             .ToListAsync();
     }
+
+    public async Task<List<BudgetArchive>> GetArchivesByYearAsync(int year)
+    {
+        return await FreeSql.Select<BudgetArchive>()
+            .Where(a => a.Year == year)
+            .OrderBy(a => a.Month)
+            .ToListAsync();
+    }
 }

Service/BudgetService.cs

@@ -19,6 +19,11 @@ public interface IBudgetService
     Task<string?> GetArchiveSummaryAsync(int year, int month);
 
     Task UpdateArchiveSummaryAsync(int year, int month, string? summary);
+
+    /// <summary>
+    /// 获取指定周期的存款预算信息
+    /// </summary>
+    Task<BudgetResult?> GetSavingsBudgetAsync(int year, int month, BudgetPeriodType type);
 }
 
 public class BudgetService(
@@ -86,6 +91,12 @@ public class BudgetService(
         return dtos.Where(dto => dto != null).Cast<BudgetResult>().ToList();
     }
 
+    public async Task<BudgetResult?> GetSavingsBudgetAsync(int year, int month, BudgetPeriodType type)
+    {
+        var referenceDate = new DateTime(year, month, 1);
+        return await GetVirtualSavingsDtoAsync(type, referenceDate);
+    }
+
     public async Task<BudgetCategoryStats> GetCategoryStatsAsync(BudgetCategory category, DateTime referenceDate)
     {
         var budgets = await GetListAsync(referenceDate);
@@ -204,13 +215,14 @@ public class BudgetService(
             totalLimit += itemLimit;
 
             // 当前值累加
+            var selectedCategories = budget.SelectedCategories != null ? string.Join(',', budget.SelectedCategories) : string.Empty;
             var currentAmount = await CalculateCurrentAmountAsync(new()
             {
                 Name = budget.Name,
                 Type = budget.Type,
                 Limit = budget.Limit,
                 Category = budget.Category,
-                SelectedCategories = string.Join(',', budget.SelectedCategories),
+                SelectedCategories = selectedCategories,
                 StartDate = new DateTime(referenceDate.Year, referenceDate.Month, 1)
             }, referenceDate);
             if (budget.Type == statType)
@@ -242,6 +254,14 @@ public class BudgetService(
 
         var budgets = await GetListAsync(referenceDate);
 
+        var expenseSurplus = budgets
+            .Where(b => b.Category == BudgetCategory.Expense && !b.NoLimit && b.Type == BudgetPeriodType.Month)
+            .Sum(b => b.Limit - b.Current);
+
+        var incomeSurplus = budgets
+            .Where(b => b.Category == BudgetCategory.Income && !b.NoLimit && b.Type == BudgetPeriodType.Month)
+            .Sum(b => b.Current - b.Limit);
+
         var content = budgets.Select(b => new BudgetArchiveContent
         {
             Name = b.Name,
@@ -260,6 +280,8 @@ public class BudgetService(
         {
             archive.Content = content;
             archive.ArchiveDate = DateTime.Now;
+            archive.ExpenseSurplus = expenseSurplus;
+            archive.IncomeSurplus = incomeSurplus;
             if (!await budgetArchiveRepository.UpdateAsync(archive))
             {
                 return "更新预算归档失败";
@@ -272,7 +294,9 @@ public class BudgetService(
                 Year = year,
                 Month = month,
                 Content = content,
-                ArchiveDate = DateTime.Now
+                ArchiveDate = DateTime.Now,
+                ExpenseSurplus = expenseSurplus,
+                IncomeSurplus = incomeSurplus
             };
 
             if (!await budgetArchiveRepository.AddAsync(archive))
@@ -578,10 +602,8 @@ public class BudgetService(
         }
         description.Append($"<p>收入合计: <span class='income-value'><strong>{incomeLimitAtPeriod:N0}</strong></span></p>");
 
-        // 新增：显示不记额收入明细
         description.Append("<h3>不记额收入明细</h3>");
-        if (noLimitIncomeItems.Count == 0) description.Append("<p>无不记额收入</p>");
-        else
+        if (noLimitIncomeItems.Count > 0)
         {
             description.Append("""
             <table>
@@ -637,11 +659,10 @@ public class BudgetService(
         }
         description.Append($"<p>支出合计: <span class='expense-value'><strong>{expenseLimitAtPeriod:N0}</strong></span></p>");
 
-        // 新增：显示不记额支出明细
-        description.Append("<h3>不记额支出明细</h3>");
-        if (noLimitExpenseItems.Count == 0) description.Append("<p>无不记额支出</p>");
-        else
+        if (noLimitExpenseItems.Count > 0)
         {
+
+            description.Append("<h3>不记额支出明细</h3>");
             description.Append("""
             <table>
                 <thead>
@@ -663,6 +684,7 @@ public class BudgetService(
             }
             description.Append("</tbody></table>");
         }
+
         description.Append($"<p>不记额支出合计: <span class='expense-value'><strong>{noLimitExpenseAtPeriod:N0}</strong></span></p>");
 
         description.Append("<h3>存款计划结论</h3>");
@@ -671,12 +693,70 @@ public class BudgetService(
         var totalExpense = expenseLimitAtPeriod + noLimitExpenseAtPeriod;
         description.Append($"<p>计划收入 = 预算 <span class='income-value'>{incomeLimitAtPeriod:N0}</span> + 不记额 <span class='income-value'>{noLimitIncomeAtPeriod:N0}</span> = <span class='income-value'><strong>{totalIncome:N0}</strong></span></p>");
         description.Append($"<p>计划支出 = 预算 <span class='expense-value'>{expenseLimitAtPeriod:N0}</span> + 不记额 <span class='expense-value'>{noLimitExpenseAtPeriod:N0}</span> = <span class='expense-value'><strong>{totalExpense:N0}</strong></span></p>");
-        description.Append($"<p>最终目标：<span class='highlight'><strong>{totalIncome - totalExpense:N0}</strong></span></p>");
+
+        decimal historicalSurplus = 0;
+        if (periodType == BudgetPeriodType.Year)
+        {
+            var archives = await budgetArchiveRepository.GetArchivesByYearAsync(date.Year);
+            if (archives.Count > 0)
+            {
+                var expenseSurplus = archives.Sum(a => a.ExpenseSurplus);
+                var incomeSurplus = archives.Sum(a => a.IncomeSurplus);
+                historicalSurplus = expenseSurplus + incomeSurplus;
+
+                description.Append("<h3>历史月份盈亏</h3>");
+                description.Append("""
+                <table>
+                    <thead>
+                        <tr>
+                            <th>月份</th>
+                            <th>支出结余</th>
+                            <th>收入结余</th>
+                            <th>合计</th>
+                        </tr>
+                    </thead>
+                <tbody>
+                """);
+
+                foreach (var archive in archives)
+                {
+                    var monthlyTotal = archive.ExpenseSurplus + archive.IncomeSurplus;
+                    var monthlyClass = monthlyTotal >= 0 ? "income-value" : "expense-value";
+                    description.Append($"""
+                    <tr>
+                        <td>{archive.Month}月</td>
+                        <td><span class='{(archive.ExpenseSurplus >= 0 ? "income-value" : "expense-value")}'>{archive.ExpenseSurplus:N0}</span></td>
+                        <td><span class='{(archive.IncomeSurplus >= 0 ? "income-value" : "expense-value")}'>{archive.IncomeSurplus:N0}</span></td>
+                        <td><span class='{monthlyClass}'>{monthlyTotal:N0}</span></td>
+                    </tr>
+                    """);
+                }
+
+                var totalClass = historicalSurplus >= 0 ? "income-value" : "expense-value";
+                description.Append($"""
+                    <tr>
+                        <td><strong>汇总</strong></td>
+                        <td><span class='{(expenseSurplus >= 0 ? "income-value" : "expense-value")}'><strong>{expenseSurplus:N0}</strong></span></td>
+                        <td><span class='{(incomeSurplus >= 0 ? "income-value" : "expense-value")}'><strong>{incomeSurplus:N0}</strong></span></td>
+                        <td><span class='{totalClass}'><strong>{historicalSurplus:N0}</strong></span></td>
+                    </tr>
+                </tbody></table>
+                """);
+            }
+            var finalGoal = totalIncome - totalExpense + historicalSurplus;
+            description.Append($"<p>动态目标 = 计划盈余 <span class='highlight'>{totalIncome - totalExpense:N0}</span> + 历史盈亏 <span class='highlight'>{historicalSurplus:N0}</span> = <span class='highlight'><strong>{finalGoal:N0}</strong></span></p>");
+        }
+        else
+        {
+             description.Append($"<p>最终目标：<span class='highlight'><strong>{totalIncome - totalExpense:N0}</strong></span></p>");
+        }
+
+        var finalLimit = periodType == BudgetPeriodType.Year ? (totalIncome - totalExpense + historicalSurplus) : (totalIncome - totalExpense);
 
         var virtualBudget = await BuildVirtualSavingsBudgetRecordAsync(
             periodType == BudgetPeriodType.Year ? -1 : -2,
             date,
-            totalIncome - totalExpense);  // 修改：使用总金额
+            finalLimit);
 
         // 计算实际发生的 收入 - 支出
         var current = await CalculateCurrentAmountAsync(new BudgetRecord

Web/src/api/budget.js

@@ -95,3 +95,17 @@ export function updateArchiveSummary(data) {
     data
   })
 }
+
+/**
+ * 获取指定周期的存款预算信息
+ * @param {number} year 年份
+ * @param {number} month 月份
+ * @param {number} type 周期类型 (1:Month, 2:Year)
+ */
+export function getSavingsBudget(year, month, type) {
+  return request({
+    url: '/Budget/GetSavingsBudget',
+    method: 'get',
+    params: { year, month, type }
+  })
+}

Web/src/components/Budget/BudgetCard.vue

@@ -133,6 +133,10 @@
             </div>
           </van-collapse-transition>
         </div>
+        
+        <div class="card-footer">
+            <slot name="footer"></slot>
+        </div>
       </div>
     </div>
 

Web/src/views/BudgetView.vue

@@ -170,6 +170,33 @@
                     </div>
                   </div>
                 </template>
+                
+                <template #footer>
+                  <div class="card-footer-actions">
+                    <van-button 
+                      size="small" 
+                      icon="arrow-left" 
+                      plain 
+                      type="primary"
+                      @click.stop="handleSavingsNav(budget, -1)"
+                    >
+                      {{ budget.type === BudgetPeriodType.Year ? '上一年' : '上一月' }}
+                    </van-button>
+                    <span class="current-date-label">
+                      {{ getSavingsDateLabel(budget) }}
+                    </span>
+                    <van-button 
+                      size="small" 
+                      icon="arrow" 
+                      plain 
+                      type="primary"
+                      icon-position="right"
+                      @click.stop="handleSavingsNav(budget, 1)"
+                    >
+                      {{ budget.type === BudgetPeriodType.Year ? '下一年' : '下一月' }}
+                    </van-button>
+                  </div>
+                </template>
               </BudgetCard>
             </template>
             <van-empty v-else description="暂无存款计划" />
@@ -251,7 +278,7 @@
 <script setup>
 import { ref, computed, onMounted, watch } from 'vue'
 import { showToast, showConfirmDialog } from 'vant'
-import { getBudgetList, deleteBudget, getCategoryStats, getUncoveredCategories, getArchiveSummary, updateArchiveSummary } from '@/api/budget'
+import { getBudgetList, deleteBudget, getCategoryStats, getUncoveredCategories, getArchiveSummary, updateArchiveSummary, getSavingsBudget } from '@/api/budget'
 import { BudgetPeriodType, BudgetCategory } from '@/constants/enums'
 import BudgetCard from '@/components/Budget/BudgetCard.vue'
 import BudgetSummary from '@/components/Budget/BudgetSummary.vue'
@@ -539,9 +566,71 @@ const handleDelete = async (budget) => {
     }
   }
 }
+
+const getSavingsDateLabel = (budget) => {
+  if (!budget.periodStart) return ''
+  const date = new Date(budget.periodStart)
+  if (budget.type === BudgetPeriodType.Year) {
+    return `${date.getFullYear()}年`
+  } else {
+    return `${date.getFullYear()}年${date.getMonth() + 1}月`
+  }
+}
+
+const handleSavingsNav = async (budget, offset) => {
+  if (!budget.periodStart) return
+  
+  const date = new Date(budget.periodStart)
+  let year = date.getFullYear()
+  let month = date.getMonth() + 1
+  
+  if (budget.type === BudgetPeriodType.Year) {
+    year += offset
+  } else {
+    month += offset
+    if (month > 12) {
+      month = 1
+      year++
+    } else if (month < 1) {
+      month = 12
+      year--
+    }
+  }
+  
+  try {
+    const res = await getSavingsBudget(year, month, budget.type)
+    if (res.success && res.data) {
+      // 找到并更新对应的 budget 对象
+      const index = savingsBudgets.value.findIndex(b => b.id === budget.id)
+      if (index !== -1) {
+        savingsBudgets.value[index] = res.data
+      }
+    } else {
+      showToast('获取数据失败')
+    }
+  } catch (err) {
+    console.error('切换日期失败', err)
+    showToast('切换日期失败')
+  }
+}
 </script>
 
 <style scoped>
+.card-footer-actions {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-top: 12px;
+  padding-top: 12px;
+  border-top: 1px dashed var(--van-gray-3);
+}
+
+.current-date-label {
+  font-size: 14px;
+  font-weight: bold;
+  color: var(--van-text-color);
+}
+
 .budget-tabs {
   flex: 1;
   display: flex;

WebApi/Controllers/BudgetController.cs

@@ -102,6 +102,24 @@ public class BudgetController(
         }
     }
 
+    /// <summary>
+    /// 获取指定周期的存款预算信息
+    /// </summary>
+    [HttpGet]
+    public async Task<BaseResponse<BudgetResult?>> GetSavingsBudgetAsync(int year, int month, BudgetPeriodType type)
+    {
+        try
+        {
+            var result = await budgetService.GetSavingsBudgetAsync(year, month, type);
+            return result.Ok();
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "获取存款预算信息失败");
+            return $"获取存款预算信息失败: {ex.Message}".Fail<BudgetResult?>();
+        }
+    }
+
     /// <summary>
     /// 删除预算
     /// </summary>