fix

Web/src/views/StatisticsView.vue

@@ -66,10 +66,10 @@
               </span>
             </div>
 
-            <!-- 余额变化图表 -->
+            <!-- 余额变化图表（融合收支趋势） -->
             <div
               class="balance-chart"
-              style="height: 130px; padding: 0"
+              style="height: 190px; padding: 0"
             >
               <div
                 ref="balanceChartRef"
@@ -77,31 +77,6 @@
               />
             </div>
           </div>
-
-          <!-- 趋势统计 -->
-          <div
-            class="common-card"
-            style="padding-bottom: 5px; margin-top: 12px;"
-          >
-            <div
-              class="card-header"
-              style="padding-bottom: 0;"
-            >
-              <h3 class="card-title">
-                收支趋势
-              </h3>
-            </div>
-
-            <div
-              class="trend-chart"
-              style="height: 240px; padding: 10px 0"
-            >
-              <div
-                ref="chartRef"
-                style="width: 100%; height: 100%"
-              />
-            </div>
-          </div>
           <!-- 分类统计 -->
           <div
             class="common-card"
@@ -450,10 +425,8 @@ const noneCategoriesView = computed(() => {
 const dailyData = ref([])
 // 余额数据（独立）
 const balanceData = ref([])
-const chartRef = ref(null)
 const pieChartRef = ref(null)
 const balanceChartRef = ref(null)
-let chartInstance = null
 let pieChartInstance = null
 let balanceChartInstance = null
 
@@ -576,7 +549,6 @@ const fetchStatistics = async (showLoading = true) => {
     firstLoading.value = false
     // DOM 更新后渲染图表
     nextTick(() => {
-      renderChart(dailyData.value)
       renderPieChart()
       renderBalanceChart()
     })
@@ -671,7 +643,7 @@ const fetchDailyData = async () => {
       // 如果不是首次加载（即DOM已存在），直接渲染
       if (!firstLoading.value) {
         nextTick(() => {
-          renderChart(response.data)
+          renderBalanceChart()
         })
       }
     }
@@ -691,6 +663,12 @@ const fetchBalanceData = async () => {
 
     if (response.success && response.data) {
       balanceData.value = response.data
+      // 如果不是首次加载，重新渲染余额图表
+      if (!firstLoading.value) {
+        nextTick(() => {
+          renderBalanceChart()
+        })
+      }
     }
   } catch (error) {
     console.error('获取余额统计数据失败:', error)
@@ -698,193 +676,6 @@ const fetchBalanceData = async () => {
   }
 }
 
-const renderChart = (data) => {
-  if (!chartRef.value) {
-    return
-  }
-
-  // 尝试获取DOM上的现有实例
-  const existingInstance = echarts.getInstanceByDom(chartRef.value)
-
-  // 如果当前保存的实例与DOM不一致，或者DOM上已经有实例但我们没保存引用
-  if (chartInstance && chartInstance !== existingInstance) {
-    // 这种情况很少见，但为了保险，销毁旧的引用
-    if (!chartInstance.isDisposed()) {
-      chartInstance.dispose()
-    }
-    chartInstance = null
-  }
-
-  // 如果DOM变了（transition导致的），旧的chartInstance绑定的DOM已经不在了
-  // 这时 chartInstance.getDom() !== chartRef.value
-  if (chartInstance && chartInstance.getDom() !== chartRef.value) {
-    chartInstance.dispose()
-    chartInstance = null
-  }
-
-  // 如果DOM上已经有实例（可能由其他途径创建），复用它
-  if (!chartInstance && existingInstance) {
-    chartInstance = existingInstance
-  }
-
-  if (!chartInstance) {
-    chartInstance = echarts.init(chartRef.value)
-  }
-
-  // 补全当月所有日期
-  const now = new Date()
-  let daysInMonth
-
-  if (currentYear.value === now.getFullYear() && currentMonth.value === now.getMonth() + 1) {
-    // 如果是当前月，只显示到今天
-    daysInMonth = now.getDate()
-  } else {
-    // 如果是过去月，显示整月
-    daysInMonth = new Date(currentYear.value, currentMonth.value, 0).getDate()
-  }
-
-  const fullData = []
-
-  // 创建日期映射
-  const dataMap = new Map()
-  data.forEach((item) => {
-    const day = new Date(item.date).getDate()
-    dataMap.set(day, item)
-  })
-
-  for (let i = 1; i <= daysInMonth; i++) {
-    const item = dataMap.get(i)
-    if (item) {
-      fullData.push(item)
-    } else {
-      fullData.push({
-        date: `${currentYear.value}-${String(currentMonth.value).padStart(2, '0')}-${String(i).padStart(2, '0')}`,
-        count: 0,
-        expense: 0,
-        income: 0,
-        balance: 0
-      })
-    }
-  }
-
-  const dates = fullData.map((item) => {
-    const date = new Date(item.date)
-    return `${date.getDate()}日`
-  })
-
-  // Calculate cumulative values
-  let accumulatedExpense = 0
-  let accumulatedIncome = 0
-  let accumulatedBalance = 0
-
-  const expenses = fullData.map((item) => {
-    accumulatedExpense += item.expense
-    return accumulatedExpense
-  })
-
-  const incomes = fullData.map((item) => {
-    accumulatedIncome += item.income
-    return accumulatedIncome
-  })
-
-  const balances = fullData.map((item) => {
-    accumulatedBalance += item.balance
-    return accumulatedBalance
-  })
-
-  const legendData = [
-    { name: '支出', value: '¥' + formatMoney(expenses[expenses.length - 1]) },
-    { name: '收入', value: '¥' + formatMoney(incomes[incomes.length - 1]) },
-    { name: '存款', value: '¥' + formatMoney(balances[balances.length - 1]) }
-  ]
-
-  const option = {
-    tooltip: {
-      trigger: 'axis',
-      formatter: function (params) {
-        let result = params[0].name + '<br/>'
-        params.forEach((param) => {
-          result += param.marker + param.seriesName + ': ' + formatMoney(param.value) + '<br/>'
-        })
-        return result
-      }
-    },
-    legend: {
-      data: legendData.map((item) => item.name),
-      bottom: 0,
-      textStyle: {
-        color: getCssVar('--chart-text-muted') // 适配深色模式
-      },
-      formatter: function (name) {
-        const item = legendData.find((d) => d.name === name)
-        return item ? `${name}  ${item.value}` : name
-      }
-    },
-    grid: {
-      left: '3%',
-      right: '4%',
-      bottom: '15%',
-      top: '5%',
-      containLabel: true
-    },
-    xAxis: {
-      type: 'category',
-      boundaryGap: false,
-      data: dates,
-      axisLabel: {
-        color: getCssVar('--chart-text-muted') // 适配深色模式
-      }
-    },
-    yAxis: {
-      type: 'value',
-      splitNumber: 5,
-      axisLabel: {
-        color: getCssVar('--chart-text-muted'), // 适配深色模式
-        formatter: (value) => {
-          return value / 1000 + 'k'
-        }
-      },
-      splitLine: {
-        lineStyle: {
-          type: 'dashed',
-          color: getCssVar('--van-border-color') // 深色分割线
-        }
-      }
-    },
-    series: [
-      {
-        name: '支出',
-        type: 'line',
-        data: expenses,
-        itemStyle: { color: getCssVar('--chart-color-1') },
-        showSymbol: false,
-        smooth: true,
-        lineStyle: { width: 2 }
-      },
-      {
-        name: '收入',
-        type: 'line',
-        data: incomes,
-        itemStyle: { color: getCssVar('--chart-color-2') },
-        showSymbol: false,
-        smooth: true,
-        lineStyle: { width: 2 }
-      },
-      {
-        name: '存款',
-        type: 'line',
-        data: balances,
-        itemStyle: { color: getCssVar('--chart-color-13') },
-        showSymbol: false,
-        smooth: true,
-        lineStyle: { width: 2 }
-      }
-    ]
-  }
-
-  chartInstance.setOption(option)
-}
-
 const renderPieChart = () => {
   if (!pieChartRef.value) {
     return
@@ -1010,12 +801,12 @@ const renderPieChart = () => {
   pieChartInstance.setOption(option)
 }
 
-// 渲染余额变化图表
+// 渲染余额变化图表（融合支出、收入、余额三条线）
 const renderBalanceChart = () => {
   if (!balanceChartRef.value) {
     return
   }
-  if (balanceData.value.length === 0) {
+  if (balanceData.value.length === 0 && dailyData.value.length === 0) {
     return
   }
 
@@ -1042,28 +833,168 @@ const renderBalanceChart = () => {
     balanceChartInstance = echarts.init(balanceChartRef.value)
   }
 
-  const dates = balanceData.value.map((item) => {
-    const date = new Date(item.date)
-    return `${date.getMonth() + 1}/${date.getDate()}`
-  })
+  // 判断是年度统计还是月度统计
+  const isYearlyView = currentMonth.value === 0
+  let dates, expenses, incomes, balances
 
-  const balances = balanceData.value.map((item) => item.cumulativeBalance)
+  if (isYearlyView) {
+    // 按年统计：按月聚合数据
+    const monthlyMap = new Map()
+    const balanceMonthlyMap = new Map()
+
+    // 聚合 dailyData 按月
+    dailyData.value.forEach((item) => {
+      const date = new Date(item.date)
+      const month = date.getMonth() + 1 // 1-12
+      if (!monthlyMap.has(month)) {
+        monthlyMap.set(month, { expense: 0, income: 0 })
+      }
+      const data = monthlyMap.get(month)
+      data.expense += item.expense
+      data.income += item.income
+    })
+
+    // 聚合 balanceData 按月（取每月最后一天的余额）
+    balanceData.value.forEach((item) => {
+      const date = new Date(item.date)
+      const month = date.getMonth() + 1
+      const day = date.getDate()
+
+      if (!balanceMonthlyMap.has(month) || day > balanceMonthlyMap.get(month).day) {
+        balanceMonthlyMap.set(month, { balance: item.cumulativeBalance, day })
+      }
+    })
+
+    // 构建12个月的完整数据
+    const now = new Date()
+    const currentMonthNum = now.getFullYear() === currentYear.value ? now.getMonth() + 1 : 12
+
+    dates = []
+    const monthlyExpenses = []
+    const monthlyIncomes = []
+    const monthlyBalances = []
+
+    let accumulatedExpense = 0
+    let accumulatedIncome = 0
+
+    for (let m = 1; m <= currentMonthNum; m++) {
+      dates.push(`${m}月`)
+
+      const data = monthlyMap.get(m) || { expense: 0, income: 0 }
+      accumulatedExpense += data.expense
+      accumulatedIncome += data.income
+
+      monthlyExpenses.push(accumulatedExpense)
+      monthlyIncomes.push(accumulatedIncome)
+
+      const balanceData = balanceMonthlyMap.get(m)
+      monthlyBalances.push(balanceData ? balanceData.balance : 0)
+    }
+
+    expenses = monthlyExpenses
+    incomes = monthlyIncomes
+    balances = monthlyBalances
+
+  } else {
+    // 按月统计：按日显示
+    const now = new Date()
+    let daysInMonth
+
+    if (currentYear.value === now.getFullYear() && currentMonth.value === now.getMonth() + 1) {
+      daysInMonth = now.getDate()
+    } else {
+      daysInMonth = new Date(currentYear.value, currentMonth.value, 0).getDate()
+    }
+
+    const fullData = []
+    const dataMap = new Map()
+    dailyData.value.forEach((item) => {
+      const day = new Date(item.date).getDate()
+      dataMap.set(day, item)
+    })
+
+    // 创建余额映射
+    const balanceMap = new Map()
+    if (balanceData.value && balanceData.value.length > 0) {
+      balanceData.value.forEach((item) => {
+        const day = new Date(item.date).getDate()
+        balanceMap.set(day, item.cumulativeBalance)
+      })
+    }
+
+    for (let i = 1; i <= daysInMonth; i++) {
+      const item = dataMap.get(i)
+      if (item) {
+        fullData.push(item)
+      } else {
+        fullData.push({
+          date: `${currentYear.value}-${String(currentMonth.value).padStart(2, '0')}-${String(i).padStart(2, '0')}`,
+          count: 0,
+          expense: 0,
+          income: 0,
+          balance: 0
+        })
+      }
+    }
+
+    dates = fullData.map((item) => {
+      const date = new Date(item.date)
+      return `${date.getDate()}日`
+    })
+
+    // 计算累计支出和收入
+    let accumulatedExpense = 0
+    let accumulatedIncome = 0
+
+    expenses = fullData.map((item) => {
+      accumulatedExpense += item.expense
+      return accumulatedExpense
+    })
+
+    incomes = fullData.map((item) => {
+      accumulatedIncome += item.income
+      return accumulatedIncome
+    })
+
+    // 使用余额接口数据
+    balances = fullData.map((item, index) => {
+      const day = index + 1
+      return balanceMap.get(day) || 0
+    })
+  }
+
+  const legendData = [
+    { name: '支出', value: '¥' + formatMoney(expenses[expenses.length - 1]) },
+    { name: '收入', value: '¥' + formatMoney(incomes[incomes.length - 1]) },
+    { name: '余额', value: '¥' + formatMoney(balances[balances.length - 1]) }
+  ]
 
   const option = {
     tooltip: {
       trigger: 'axis',
       formatter: function (params) {
-        if (params.length === 0) {
-          return ''
-        }
-        const param = params[0]
-        return `${param.name}<br/>余额: ¥${formatMoney(param.value)}`
+        let result = params[0].name + '<br/>'
+        params.forEach((param) => {
+          result += param.marker + param.seriesName + ': ¥' + formatMoney(param.value) + '<br/>'
+        })
+        return result
+      }
+    },
+    legend: {
+      data: legendData.map((item) => item.name),
+      bottom: 0,
+      textStyle: {
+        color: getCssVar('--chart-text-muted')
+      },
+      formatter: function (name) {
+        const item = legendData.find((d) => d.name === name)
+        return item ? `${name}  ${item.value}` : name
       }
     },
     grid: {
       left: '3%',
       right: '4%',
-      bottom: '5%',
+      bottom: '15%',
       top: '5%',
       containLabel: true
     },
@@ -1094,35 +1025,37 @@ const renderBalanceChart = () => {
       }
     },
     series: [
+      {
+        name: '支出',
+        type: 'line',
+        data: expenses,
+        itemStyle: { color: '#ff6b6b' },
+        showSymbol: false,
+        smooth: true,
+        lineStyle: { width: 2 }
+      },
+      {
+        name: '收入',
+        type: 'line',
+        data: incomes,
+        itemStyle: { color: '#51cf66' },
+        showSymbol: false,
+        smooth: true,
+        lineStyle: { width: 2 }
+      },
       {
         name: '余额',
         type: 'line',
         data: balances,
-        itemStyle: { color: getCssVar('--chart-color-13') },
+        itemStyle: { color: '#4c9cf1' },
         showSymbol: false,
         smooth: true,
-        lineStyle: { width: 2 },
-        areaStyle: {
-          color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
-            {
-              offset: 0,
-              color: getCssVar('--chart-color-13')
-            },
-            {
-              offset: 1,
-              color: getCssVar('--chart-color-13')
-            }
-          ])
-        }
+        lineStyle: { width: 2 }
       }
     ]
   }
 
   balanceChartInstance.setOption(option)
-  // 设置图表透明度
-  if (balanceChartRef.value) {
-    balanceChartRef.value.style.opacity = '0.85'
-  }
 }
 
 // 跳转到智能分析页面
@@ -1308,24 +1241,11 @@ onMounted(() => {
 })
 
 const handleResize = () => {
-  chartInstance && chartInstance.resize()
   pieChartInstance && pieChartInstance.resize()
   balanceChartInstance && balanceChartInstance.resize()
 }
 
 // 监听DOM引用变化，确保在月份切换DOM重建后重新渲染图表
-watch(chartRef, (newVal) => {
-  // 无论有没有数据，只要DOM变了，就尝试渲染
-  // 如果没有数据，renderChart 内部也应该处理（或者我们可以传空数据）
-  if (newVal) {
-    setTimeout(() => {
-      // 传入当前 dailyData，即使是空的，renderChart 应该能处理
-      renderChart(dailyData.value || [])
-      chartInstance && chartInstance.resize()
-    }, 50)
-  }
-})
-
 watch(pieChartRef, (newVal) => {
   if (newVal) {
     setTimeout(() => {
@@ -1362,7 +1282,6 @@ onBeforeUnmount(() => {
   window.removeEventListener &&
     window.removeEventListener('transaction-deleted', onGlobalTransactionDeleted)
   window.removeEventListener('resize', handleResize)
-  chartInstance && chartInstance.dispose()
   pieChartInstance && pieChartInstance.dispose()
   balanceChartInstance && balanceChartInstance.dispose()
 })