fleat: sales

sales_stats.php

@@ -22,6 +22,145 @@ $period = $date_params['period'];
 include('statistics_header.php');
 ?>
 
+<style>
+.container {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 20px;
+}
+
+.page-header {
+    margin-bottom: 30px;
+}
+
+.page-title {
+    font-size: 24px;
+    color: #333;
+    margin: 0;
+}
+
+.filter-form {
+    background: #f5f5f5;
+    padding: 20px;
+    border-radius: 8px;
+    margin-bottom: 30px;
+}
+
+.filter-form-inline {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 15px;
+    align-items: flex-end;
+}
+
+.form-group {
+    margin-bottom: 10px;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 5px;
+    color: #666;
+}
+
+.form-control {
+    padding: 8px 12px;
+    border: 1px solid #ddd;
+    border-radius: 4px;
+    font-size: 14px;
+}
+
+.btn {
+    background: #4a90e2;
+    color: white;
+    padding: 8px 16px;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+}
+
+.btn:hover {
+    background: #357abd;
+}
+
+.chart-container {
+    background: white;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    padding: 20px;
+    margin-bottom: 30px;
+}
+
+.chart-header {
+    margin-bottom: 20px;
+}
+
+.chart-title {
+    font-size: 18px;
+    color: #333;
+    margin: 0;
+}
+
+.stats-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
+    gap: 20px;
+    margin-bottom: 30px;
+}
+
+.stat-card {
+    background: white;
+    padding: 20px;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+    text-align: center;
+}
+
+.stat-card h3 {
+    font-size: 16px;
+    color: #666;
+    margin: 0 0 10px 0;
+}
+
+.stat-value {
+    font-size: 24px;
+    color: #4a90e2;
+    font-weight: bold;
+}
+
+.analysis-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
+    gap: 20px;
+    margin-bottom: 30px;
+}
+
+.table-responsive {
+    overflow-x: auto;
+}
+
+.data-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.data-table th,
+.data-table td {
+    padding: 12px;
+    text-align: left;
+    border-bottom: 1px solid #ddd;
+}
+
+.data-table th {
+    background: #f5f5f5;
+    font-weight: bold;
+}
+
+.data-table tr:hover {
+    background: #f9f9f9;
+}
+</style>
+
 <div class="container">
     <div class="page-header">
         <h1 class="page-title">销售统计分析</h1>
@@ -76,6 +215,50 @@ include('statistics_header.php');
         </div>
     </div>
     
+    <!-- 销售转化率分析 -->
+    <div class="chart-container">
+        <div class="chart-header">
+            <h2 class="chart-title">销售转化率分析</h2>
+        </div>
+        <?php
+        $conversion_stats = getOrderConversionStats($conn, $start_date, $end_date);
+        renderConversionAnalysis($conversion_stats);
+        ?>
+    </div>
+
+    <!-- 产品类别销售分析 -->
+    <div class="chart-container">
+        <div class="chart-header">
+            <h2 class="chart-title">产品类别销售分析</h2>
+        </div>
+        <?php
+        $category_sales = getProductCategorySales($conn, $start_date, $end_date);
+        renderCategorySalesChart($category_sales);
+        ?>
+    </div>
+
+    <!-- 客户地区分布 -->
+    <div class="chart-container">
+        <div class="chart-header">
+            <h2 class="chart-title">客户地区分布</h2>
+        </div>
+        <?php
+        $customer_distribution = getCustomerDistribution($conn, $start_date, $end_date);
+        renderCustomerDistributionChart($customer_distribution);
+        ?>
+    </div>
+
+    <!-- 销售员业绩排行 -->
+    <div class="chart-container">
+        <div class="chart-header">
+            <h2 class="chart-title">销售员业绩排行</h2>
+        </div>
+        <?php
+        $employee_performance = getEmployeePerformance($conn, $start_date, $end_date);
+        renderEmployeePerformanceTable($employee_performance);
+        ?>
+    </div>
+    
     <!-- 月度销售趋势 -->
     <div class="chart-container">
         <?php
@@ -95,6 +278,17 @@ include('statistics_header.php');
         ?>
     </div>
     
+    <!-- 支付状态分析 -->
+    <div class="chart-container">
+        <div class="chart-header">
+            <h2 class="chart-title">支付状态分析</h2>
+        </div>
+        <?php
+        $payment_stats = getPaymentStatusStats($conn, $start_date, $end_date);
+        renderPaymentStatusChart($payment_stats);
+        ?>
+    </div>
+
     <!-- 详细订单趋势 -->
     <div class="chart-container">
         <?php
@@ -119,15 +313,12 @@ function toggleCustomDates() {
     const dateRange = document.getElementById('date_range').value;
     const customDateInputs = document.querySelectorAll('.custom-date-inputs');
     
-    if (dateRange === 'custom') {
-        customDateInputs.forEach(el => el.style.display = 'inline-block');
-    } else {
-        customDateInputs.forEach(el => el.style.display = 'none');
-    }
+    customDateInputs.forEach(el => {
+        el.style.display = dateRange === 'custom' ? 'inline-block' : 'none';
+    });
 }
 </script>
 
 <?php
-// 页面底部
 include('statistics_footer.php');
 ?> 

statistics_sales.php

@@ -17,17 +17,127 @@ require_once 'statistics_utils.php';
  */
 function getSalesOverview($conn, $start_date, $end_date) {
     $sql = "SELECT 
-                COUNT(id) as total_orders,
-                SUM(total_amount) as total_revenue,
-                AVG(total_amount) as avg_order_value
+                COUNT(DISTINCT o.id) as total_orders,
+                SUM(o.total_amount) as total_revenue,
+                AVG(o.total_amount) as avg_order_value,
+                COUNT(DISTINCT o.customer_id) as unique_customers,
+                SUM(oi.quantity) as total_items_sold
+            FROM orders o
+            LEFT JOIN order_items oi ON o.id = oi.order_id 
+            WHERE o.order_date BETWEEN ? AND ?
+            AND o.order_status != 0"; // 排除已取消订单
+    
+    $stmt = $conn->prepare($sql);
+    $stmt->bind_param("ss", $start_date, $end_date);
+    $stmt->execute();
+    return $stmt->get_result()->fetch_assoc();
+}
+
+/**
+ * 获取订单转化率统计
+ */
+function getOrderConversionStats($conn, $start_date, $end_date) {
+    $sql = "SELECT 
+                order_status,
+                COUNT(*) as count,
+                SUM(total_amount) as amount
             FROM orders 
-            WHERE order_date BETWEEN ? AND ?";
+            WHERE order_date BETWEEN ? AND ?
+            GROUP BY order_status";
+    
+    $stmt = $conn->prepare($sql);
+    $stmt->bind_param("ss", $start_date, $end_date);
+    $stmt->execute();
+    return $stmt->get_result();
+}
+
+/**
+ * 获取产品类别销售统计
+ */
+function getProductCategorySales($conn, $start_date, $end_date) {
+    $sql = "SELECT 
+                pc.name as category_name,
+                COUNT(DISTINCT o.id) as order_count,
+                SUM(oi.quantity) as total_quantity,
+                SUM(oi.total_price) as total_revenue
+            FROM orders o
+            JOIN order_items oi ON o.id = oi.order_id
+            JOIN products p ON oi.product_id = p.id
+            JOIN product_categories pc ON p.category_id = pc.id
+            WHERE o.order_date BETWEEN ? AND ?
+            AND o.order_status != 0
+            GROUP BY pc.id
+            ORDER BY total_revenue DESC";
+    
+    $stmt = $conn->prepare($sql);
+    $stmt->bind_param("ss", $start_date, $end_date);
+    $stmt->execute();
+    return $stmt->get_result();
+}
+
+/**
+ * 获取客户地区分布
+ */
+function getCustomerDistribution($conn, $start_date, $end_date) {
+    $sql = "SELECT 
+                c.countryName as region,
+                COUNT(DISTINCT o.customer_id) as customer_count,
+                COUNT(o.id) as order_count,
+                SUM(o.total_amount) as total_revenue
+            FROM orders o
+            JOIN customer cu ON o.customer_id = cu.id
+            JOIN country c ON cu.cs_country = c.id
+            WHERE o.order_date BETWEEN ? AND ?
+            AND o.order_status != 0
+            GROUP BY c.id
+            ORDER BY total_revenue DESC";
+    
+    $stmt = $conn->prepare($sql);
+    $stmt->bind_param("ss", $start_date, $end_date);
+    $stmt->execute();
+    return $stmt->get_result();
+}
+
+/**
+ * 获取销售员业绩统计
+ */
+function getEmployeePerformance($conn, $start_date, $end_date) {
+    $sql = "SELECT 
+                e.em_user as employee_name,
+                COUNT(DISTINCT o.id) as order_count,
+                COUNT(DISTINCT o.customer_id) as customer_count,
+                SUM(o.total_amount) as total_revenue,
+                AVG(o.total_amount) as avg_order_value
+            FROM orders o
+            JOIN employee e ON o.employee_id = e.id
+            WHERE o.order_date BETWEEN ? AND ?
+            AND o.order_status != 0
+            GROUP BY e.id
+            ORDER BY total_revenue DESC";
     
     $stmt = $conn->prepare($sql);
     $stmt->bind_param("ss", $start_date, $end_date);
     $stmt->execute();
-    $result = $stmt->get_result();
-    return $result->fetch_assoc();
+    return $stmt->get_result();
+}
+
+/**
+ * 获取支付状态统计
+ */
+function getPaymentStatusStats($conn, $start_date, $end_date) {
+    $sql = "SELECT 
+                payment_status,
+                COUNT(*) as count,
+                SUM(total_amount) as amount
+            FROM orders 
+            WHERE order_date BETWEEN ? AND ?
+            AND order_status != 0
+            GROUP BY payment_status";
+    
+    $stmt = $conn->prepare($sql);
+    $stmt->bind_param("ss", $start_date, $end_date);
+    $stmt->execute();
+    return $stmt->get_result();
 }
 
 /**
@@ -41,10 +151,12 @@ function getSalesOverview($conn, $start_date, $end_date) {
 function getMonthlySalesTrend($conn, $start_date, $end_date) {
     $sql = "SELECT 
                 DATE_FORMAT(order_date, '%Y-%m') as month,
-                COUNT(id) as orders,
-                SUM(total_amount) as revenue
+                COUNT(DISTINCT id) as orders,
+                SUM(total_amount) as revenue,
+                COUNT(DISTINCT customer_id) as unique_customers
             FROM orders 
             WHERE order_date BETWEEN ? AND ?
+            AND order_status != 0
             GROUP BY DATE_FORMAT(order_date, '%Y-%m')
             ORDER BY month";
     
@@ -65,24 +177,23 @@ function getMonthlySalesTrend($conn, $start_date, $end_date) {
  */
 function getDetailedOrderTrend($conn, $start_date, $end_date, $period = 'day') {
     $groupFormat = '%Y-%m-%d';
-    $intervalUnit = 'DAY';
     
     if ($period == 'week') {
-        $groupFormat = '%x-W%v'; // ISO year and week number
-        $intervalUnit = 'WEEK';
+        $groupFormat = '%x-W%v';
     } else if ($period == 'month') {
         $groupFormat = '%Y-%m';
-        $intervalUnit = 'MONTH';
     }
     
     $sql = "SELECT 
                 DATE_FORMAT(o.order_date, '$groupFormat') as time_period,
-                COUNT(o.id) as order_count,
+                COUNT(DISTINCT o.id) as order_count,
                 SUM(oi.quantity) as total_quantity,
-                SUM(o.total_amount) as total_amount
+                SUM(o.total_amount) as total_amount,
+                COUNT(DISTINCT o.customer_id) as unique_customers
             FROM orders o
             LEFT JOIN order_items oi ON o.id = oi.order_id
             WHERE o.order_date BETWEEN ? AND ?
+            AND o.order_status != 0
             GROUP BY time_period
             ORDER BY MIN(o.order_date)";
     
@@ -115,10 +226,426 @@ function renderSalesOverviewCards($sales_overview) {
             <h3>平均订单金额</h3>
             <div class="stat-value">¥<?php echo number_format($sales_overview['avg_order_value'], 2); ?></div>
         </div>
+
+        <div class="stat-card">
+            <h3>独立客户数</h3>
+            <div class="stat-value"><?php echo number_format($sales_overview['unique_customers']); ?></div>
+        </div>
+
+        <div class="stat-card">
+            <h3>总销售数量</h3>
+            <div class="stat-value"><?php echo number_format($sales_overview['total_items_sold']); ?></div>
+        </div>
+    </div>
+    <?php
+}
+
+/**
+ * 渲染订单转化率分析
+ */
+function renderConversionAnalysis($conversion_stats) {
+    $status_names = [
+        1 => '待确认',
+        2 => '已确认',
+        3 => '生产中',
+        4 => '已发货',
+        5 => '已完成',
+        0 => '已取消'
+    ];
+    
+    $total_orders = 0;
+    $data = [];
+    while ($row = $conversion_stats->fetch_assoc()) {
+        $total_orders += $row['count'];
+        $data[$row['order_status']] = $row;
+    }
+    ?>
+    <div class="analysis-grid">
+        <div>
+            <canvas id="orderStatusChart"></canvas>
+        </div>
+        <div class="table-responsive">
+            <table class="data-table">
+                <thead>
+                    <tr>
+                        <th>订单状态</th>
+                        <th>订单数</th>
+                        <th>转化率</th>
+                        <th>金额</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <?php foreach ($status_names as $status_id => $status_name): ?>
+                        <?php if (isset($data[$status_id])): ?>
+                        <tr>
+                            <td><?php echo $status_name; ?></td>
+                            <td><?php echo number_format($data[$status_id]['count']); ?></td>
+                            <td><?php echo number_format(($data[$status_id]['count'] / $total_orders) * 100, 1); ?>%</td>
+                            <td>¥<?php echo number_format($data[$status_id]['amount'], 2); ?></td>
+                        </tr>
+                        <?php endif; ?>
+                    <?php endforeach; ?>
+                </tbody>
+            </table>
+        </div>
+    </div>
+    <script>
+        var orderStatusCtx = document.getElementById('orderStatusChart').getContext('2d');
+        new Chart(orderStatusCtx, {
+            type: 'doughnut',
+            data: {
+                labels: <?php 
+                    $labels = [];
+                    $values = [];
+                    foreach ($status_names as $status_id => $status_name) {
+                        if (isset($data[$status_id])) {
+                            $labels[] = $status_name;
+                            $values[] = $data[$status_id]['count'];
+                        }
+                    }
+                    echo json_encode($labels);
+                ?>,
+                datasets: [{
+                    data: <?php echo json_encode($values); ?>,
+                    backgroundColor: [
+                        '#FF6384',
+                        '#36A2EB',
+                        '#FFCE56',
+                        '#4BC0C0',
+                        '#9966FF',
+                        '#FF9F40'
+                    ]
+                }]
+            },
+            options: {
+                responsive: true,
+                plugins: {
+                    legend: {
+                        position: 'right'
+                    },
+                    title: {
+                        display: true,
+                        text: '订单状态分布'
+                    }
+                }
+            }
+        });
+    </script>
+    <?php
+}
+
+/**
+ * 渲染产品类别销售分析图表
+ */
+function renderCategorySalesChart($category_sales) {
+    $labels = [];
+    $quantities = [];
+    $revenues = [];
+    
+    while ($row = $category_sales->fetch_assoc()) {
+        $labels[] = $row['category_name'];
+        $quantities[] = $row['total_quantity'];
+        $revenues[] = $row['total_revenue'];
+    }
+    ?>
+    <div class="analysis-grid">
+        <div>
+            <canvas id="categorySalesChart"></canvas>
+        </div>
+        <div class="table-responsive">
+            <table class="data-table">
+                <thead>
+                    <tr>
+                        <th>产品类别</th>
+                        <th>订单数</th>
+                        <th>销售数量</th>
+                        <th>销售金额</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <?php
+                    $category_sales->data_seek(0);
+                    while ($row = $category_sales->fetch_assoc()):
+                    ?>
+                    <tr>
+                        <td><?php echo $row['category_name']; ?></td>
+                        <td><?php echo number_format($row['order_count']); ?></td>
+                        <td><?php echo number_format($row['total_quantity']); ?></td>
+                        <td>¥<?php echo number_format($row['total_revenue'], 2); ?></td>
+                    </tr>
+                    <?php endwhile; ?>
+                </tbody>
+            </table>
+        </div>
+    </div>
+    <script>
+        var categorySalesCtx = document.getElementById('categorySalesChart').getContext('2d');
+        new Chart(categorySalesCtx, {
+            type: 'bar',
+            data: {
+                labels: <?php echo json_encode($labels); ?>,
+                datasets: [
+                    {
+                        label: '销售数量',
+                        data: <?php echo json_encode($quantities); ?>,
+                        backgroundColor: 'rgba(54, 162, 235, 0.5)',
+                        borderColor: 'rgba(54, 162, 235, 1)',
+                        borderWidth: 1,
+                        yAxisID: 'y-quantity'
+                    },
+                    {
+                        label: '销售金额',
+                        data: <?php echo json_encode($revenues); ?>,
+                        backgroundColor: 'rgba(255, 99, 132, 0.5)',
+                        borderColor: 'rgba(255, 99, 132, 1)',
+                        borderWidth: 1,
+                        yAxisID: 'y-revenue'
+                    }
+                ]
+            },
+            options: {
+                responsive: true,
+                scales: {
+                    'y-quantity': {
+                        type: 'linear',
+                        position: 'left',
+                        title: {
+                            display: true,
+                            text: '销售数量'
+                        }
+                    },
+                    'y-revenue': {
+                        type: 'linear',
+                        position: 'right',
+                        title: {
+                            display: true,
+                            text: '销售金额'
+                        },
+                        grid: {
+                            drawOnChartArea: false
+                        }
+                    }
+                }
+            }
+        });
+    </script>
+    <?php
+}
+
+/**
+ * 渲染客户地区分布图表
+ */
+function renderCustomerDistributionChart($customer_distribution) {
+    $regions = [];
+    $customers = [];
+    $revenues = [];
+    
+    while ($row = $customer_distribution->fetch_assoc()) {
+        $regions[] = $row['region'];
+        $customers[] = $row['customer_count'];
+        $revenues[] = $row['total_revenue'];
+    }
+    ?>
+    <div class="analysis-grid">
+        <div>
+            <canvas id="regionDistributionChart"></canvas>
+        </div>
+        <div class="table-responsive">
+            <table class="data-table">
+                <thead>
+                    <tr>
+                        <th>地区</th>
+                        <th>客户数</th>
+                        <th>订单数</th>
+                        <th>销售金额</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <?php
+                    $customer_distribution->data_seek(0);
+                    while ($row = $customer_distribution->fetch_assoc()):
+                    ?>
+                    <tr>
+                        <td><?php echo $row['region']; ?></td>
+                        <td><?php echo number_format($row['customer_count']); ?></td>
+                        <td><?php echo number_format($row['order_count']); ?></td>
+                        <td>¥<?php echo number_format($row['total_revenue'], 2); ?></td>
+                    </tr>
+                    <?php endwhile; ?>
+                </tbody>
+            </table>
+        </div>
+    </div>
+    <script>
+        var regionDistributionCtx = document.getElementById('regionDistributionChart').getContext('2d');
+        new Chart(regionDistributionCtx, {
+            type: 'bar',
+            data: {
+                labels: <?php echo json_encode($regions); ?>,
+                datasets: [
+                    {
+                        label: '客户数',
+                        data: <?php echo json_encode($customers); ?>,
+                        backgroundColor: 'rgba(75, 192, 192, 0.5)',
+                        borderColor: 'rgba(75, 192, 192, 1)',
+                        borderWidth: 1,
+                        yAxisID: 'y-customers'
+                    },
+                    {
+                        label: '销售金额',
+                        data: <?php echo json_encode($revenues); ?>,
+                        backgroundColor: 'rgba(255, 159, 64, 0.5)',
+                        borderColor: 'rgba(255, 159, 64, 1)',
+                        borderWidth: 1,
+                        yAxisID: 'y-revenue'
+                    }
+                ]
+            },
+            options: {
+                responsive: true,
+                scales: {
+                    'y-customers': {
+                        type: 'linear',
+                        position: 'left',
+                        title: {
+                            display: true,
+                            text: '客户数'
+                        }
+                    },
+                    'y-revenue': {
+                        type: 'linear',
+                        position: 'right',
+                        title: {
+                            display: true,
+                            text: '销售金额'
+                        },
+                        grid: {
+                            drawOnChartArea: false
+                        }
+                    }
+                }
+            }
+        });
+    </script>
+    <?php
+}
+
+/**
+ * 渲染销售员业绩表格
+ */
+function renderEmployeePerformanceTable($employee_performance) {
+    ?>
+    <div class="table-responsive">
+        <table class="data-table">
+            <thead>
+                <tr>
+                    <th>销售员</th>
+                    <th>订单数</th>
+                    <th>客户数</th>
+                    <th>总销售额</th>
+                    <th>平均订单金额</th>
+                </tr>
+            </thead>
+            <tbody>
+                <?php while ($row = $employee_performance->fetch_assoc()): ?>
+                <tr>
+                    <td><?php echo $row['employee_name']; ?></td>
+                    <td><?php echo number_format($row['order_count']); ?></td>
+                    <td><?php echo number_format($row['customer_count']); ?></td>
+                    <td>¥<?php echo number_format($row['total_revenue'], 2); ?></td>
+                    <td>¥<?php echo number_format($row['avg_order_value'], 2); ?></td>
+                </tr>
+                <?php endwhile; ?>
+            </tbody>
+        </table>
     </div>
     <?php
 }
 
+/**
+ * 渲染支付状态分析图表
+ */
+function renderPaymentStatusChart($payment_stats) {
+    $status_names = [
+        0 => '未付款',
+        1 => '部分付款',
+        2 => '已付清'
+    ];
+    
+    $data = [];
+    while ($row = $payment_stats->fetch_assoc()) {
+        $data[$row['payment_status']] = $row;
+    }
+    ?>
+    <div class="analysis-grid">
+        <div>
+            <canvas id="paymentStatusChart"></canvas>
+        </div>
+        <div class="table-responsive">
+            <table class="data-table">
+                <thead>
+                    <tr>
+                        <th>支付状态</th>
+                        <th>订单数</th>
+                        <th>订单金额</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <?php foreach ($status_names as $status_id => $status_name): ?>
+                        <?php if (isset($data[$status_id])): ?>
+                        <tr>
+                            <td><?php echo $status_name; ?></td>
+                            <td><?php echo number_format($data[$status_id]['count']); ?></td>
+                            <td>¥<?php echo number_format($data[$status_id]['amount'], 2); ?></td>
+                        </tr>
+                        <?php endif; ?>
+                    <?php endforeach; ?>
+                </tbody>
+            </table>
+        </div>
+    </div>
+    <script>
+        var paymentStatusCtx = document.getElementById('paymentStatusChart').getContext('2d');
+        new Chart(paymentStatusCtx, {
+            type: 'pie',
+            data: {
+                labels: <?php 
+                    $labels = [];
+                    $values = [];
+                    foreach ($status_names as $status_id => $status_name) {
+                        if (isset($data[$status_id])) {
+                            $labels[] = $status_name;
+                            $values[] = $data[$status_id]['amount'];
+                        }
+                    }
+                    echo json_encode($labels);
+                ?>,
+                datasets: [{
+                    data: <?php echo json_encode($values); ?>,
+                    backgroundColor: [
+                        '#FF6384',
+                        '#36A2EB',
+                        '#4BC0C0'
+                    ]
+                }]
+            },
+            options: {
+                responsive: true,
+                plugins: {
+                    legend: {
+                        position: 'right'
+                    },
+                    title: {
+                        display: true,
+                        text: '支付状态分布'
+                    }
+                }
+            }
+        });
+    </script>
+    <?php
+}
+
 /**
  * 渲染月度销售趋势图
  * 
@@ -137,9 +664,8 @@ function renderMonthlySalesTrendChart($monthly_labels, $monthly_orders, $monthly
     </div>
     
     <script>
-        // 销售趋势图
         var salesTrendCtx = document.getElementById('salesTrendChart').getContext('2d');
-        var salesTrendChart = new Chart(salesTrendCtx, {
+        new Chart(salesTrendCtx, {
             type: 'line',
             data: {
                 labels: <?php echo json_encode($monthly_labels); ?>,
@@ -150,7 +676,8 @@ function renderMonthlySalesTrendChart($monthly_labels, $monthly_orders, $monthly
                         backgroundColor: 'rgba(54, 162, 235, 0.2)',
                         borderColor: 'rgba(54, 162, 235, 1)',
                         borderWidth: 2,
-                        yAxisID: 'y-orders'
+                        yAxisID: 'y-orders',
+                        tension: 0.1
                     },
                     {
                         label: '销售收入',
@@ -158,7 +685,8 @@ function renderMonthlySalesTrendChart($monthly_labels, $monthly_orders, $monthly
                         backgroundColor: 'rgba(255, 99, 132, 0.2)',
                         borderColor: 'rgba(255, 99, 132, 1)',
                         borderWidth: 2,
-                        yAxisID: 'y-revenue'
+                        yAxisID: 'y-revenue',
+                        tension: 0.1
                     }
                 ]
             },
@@ -211,9 +739,8 @@ function renderDetailedOrderTrendChart($time_labels, $time_orders, $time_quantit
     </div>
     
     <script>
-        // 详细时间段订单趋势图
         var detailedOrdersCtx = document.getElementById('detailedOrdersChart').getContext('2d');
-        var detailedOrdersChart = new Chart(detailedOrdersCtx, {
+        new Chart(detailedOrdersCtx, {
             type: 'line',
             data: {
                 labels: <?php echo json_encode($time_labels); ?>,