fleat: update order warings

statistics_order_warnings.php

@@ -319,7 +319,7 @@ include('statistics_header.php');
     </div>
     
     <!-- 订单金额下降客户列表 -->
-    <div class="warning-section">
+    <div class="warning-section" id="decreasing-customers">
         <div class="section-header">
             <h2>订单金额下降客户</h2>
             <p>与上一周期相比，订单金额显著下降的客户</p>
@@ -328,6 +328,7 @@ include('statistics_header.php');
         <table class="data-table">
             <thead>
                 <tr>
+                    <th>客户编码</th>
                     <th>本期订单金额</th>
                     <th>上期订单金额</th>
                     <th>变化百分比</th>
@@ -338,6 +339,30 @@ include('statistics_header.php');
             </thead>
             <tbody>
                 <?php
+                // 获取分页参数
+                $decreasing_page = isset($_GET['decreasing_page']) ? intval($_GET['decreasing_page']) : 1;
+                $decreasing_page_size = 10; // 每页显示10条记录
+                
+                // 获取总记录数
+                $total_decreasing = getDecreasingOrderAmountCustomers(
+                    $conn, 
+                    $current_start_date, 
+                    $current_end_date, 
+                    $previous_start_date, 
+                    $previous_end_date, 
+                    $order_amount_decrease_threshold,
+                    true,
+                    $query_employee_filter
+                );
+                
+                // 计算总页数
+                $decreasing_total_pages = ceil($total_decreasing / $decreasing_page_size);
+                
+                // 确保页码合法
+                if ($decreasing_page < 1) $decreasing_page = 1;
+                if ($decreasing_page > $decreasing_total_pages && $decreasing_total_pages > 0) $decreasing_page = $decreasing_total_pages;
+                
+                // 获取当页数据
                 $decreasing_customers = getDecreasingOrderAmountCustomers(
                     $conn, 
                     $current_start_date, 
@@ -346,7 +371,9 @@ include('statistics_header.php');
                     $previous_end_date, 
                     $order_amount_decrease_threshold,
                     false,
-                    $query_employee_filter
+                    $query_employee_filter,
+                    $decreasing_page,
+                    $decreasing_page_size
                 );
                 
                 while ($customer = $decreasing_customers->fetch_assoc()) {
@@ -354,6 +381,7 @@ include('statistics_header.php');
                     $change_class = $change_percent < -20 ? 'text-danger' : 'text-warning';
                     
                     echo "<tr>";
+                    echo "<td title='{$customer['cs_code']}'>" . htmlspecialcharsFix($customer['cs_code']) . "</td>";
                     echo "<td>¥" . number_format($customer['current_amount'], 2) . "</td>";
                     echo "<td>¥" . number_format($customer['previous_amount'], 2) . "</td>";
                     echo "<td class='{$change_class}'>" . $change_percent . "%</td>";
@@ -364,11 +392,71 @@ include('statistics_header.php');
                 }
                 
                 if ($decreasing_customers->num_rows == 0) {
-                    echo "<tr><td colspan='6' class='text-center'>没有发现订单金额下降的客户</td></tr>";
+                    echo "<tr><td colspan='7' class='text-center'>没有发现订单金额下降的客户</td></tr>";
                 }
                 ?>
             </tbody>
         </table>
+        
+        <!-- 分页控件 -->
+        <?php if ($decreasing_total_pages > 1): ?>
+        <div class="pagination-container">
+            <ul class="pagination">
+                <?php
+                // 生成分页链接的基础URL
+                $base_url = '?';
+                foreach ($_GET as $key => $value) {
+                    if ($key != 'decreasing_page') {
+                        $base_url .= $key . '=' . urlencode($value) . '&';
+                    }
+                }
+                
+                // 上一页链接
+                if ($decreasing_page > 1) {
+                    echo "<li class='pager-item'><a class='pager-link' href='{$base_url}decreasing_page=" . ($decreasing_page - 1) . "#decreasing-customers'>上一页</a></li>";
+                } else {
+                    echo "<li class='pager-item disabled'><a class='pager-link' href='#decreasing-customers'>上一页</a></li>";
+                }
+                
+                // 页码链接
+                $start_page = max(1, $decreasing_page - 2);
+                $end_page = min($decreasing_total_pages, $decreasing_page + 2);
+                
+                if ($start_page > 1) {
+                    echo "<li class='pager-item'><a class='pager-link' href='{$base_url}decreasing_page=1#decreasing-customers'>1</a></li>";
+                    if ($start_page > 2) {
+                        echo "<li class='pager-item disabled'><a class='pager-link' href='#decreasing-customers'>...</a></li>";
+                    }
+                }
+                
+                for ($i = $start_page; $i <= $end_page; $i++) {
+                    if ($i == $decreasing_page) {
+                        echo "<li class='pager-item active'><a class='pager-link' href='#decreasing-customers'>{$i}</a></li>";
+                    } else {
+                        echo "<li class='pager-item'><a class='pager-link' href='{$base_url}decreasing_page={$i}#decreasing-customers'>{$i}</a></li>";
+                    }
+                }
+                
+                if ($end_page < $decreasing_total_pages) {
+                    if ($end_page < $decreasing_total_pages - 1) {
+                        echo "<li class='pager-item disabled'><a class='pager-link' href='#decreasing-customers'>...</a></li>";
+                    }
+                    echo "<li class='pager-item'><a class='pager-link' href='{$base_url}decreasing_page={$decreasing_total_pages}#decreasing-customers'>{$decreasing_total_pages}</a></li>";
+                }
+                
+                // 下一页链接
+                if ($decreasing_page < $decreasing_total_pages) {
+                    echo "<li class='pager-item'><a class='pager-link' href='{$base_url}decreasing_page=" . ($decreasing_page + 1) . "#decreasing-customers'>下一页</a></li>";
+                } else {
+                    echo "<li class='pager-item disabled'><a class='pager-link' href='#decreasing-customers'>下一页</a></li>";
+                }
+                ?>
+            </ul>
+            <div class="pagination-info">
+                共 <?php echo $total_decreasing; ?> 条记录，当前显示第 <?php echo $decreasing_page; ?> 页，共 <?php echo $decreasing_total_pages; ?> 页
+            </div>
+        </div>
+        <?php endif; ?>
     </div>
     
     <!-- 复购周期异常客户列表 -->
@@ -1139,7 +1227,7 @@ document.addEventListener('DOMContentLoaded', function() {
 /**
  * 获取订单金额下降的客户
  */
-function getDecreasingOrderAmountCustomers($conn, $current_start, $current_end, $previous_start, $previous_end, $threshold, $count_only = false, $selected_employee = 0) {
+function getDecreasingOrderAmountCustomers($conn, $current_start, $current_end, $previous_start, $previous_end, $threshold, $count_only = false, $selected_employee = 0, $page = 1, $page_size = 10) {
     // 构建业务员筛选条件
     $employee_filter = "";
     if (!empty($selected_employee)) {
@@ -1178,10 +1266,14 @@ function getDecreasingOrderAmountCustomers($conn, $current_start, $current_end,
         return $row['count'];
     }
     
+    // 计算分页
+    $offset = ($page - 1) * $page_size;
+    
     // 如果需要详细数据
     $sql = "SELECT 
         c.id,
         c.cs_company,
+        c.cs_code,
         IFNULL(current_period.amount, 0) as current_amount,
         previous_period.amount as previous_amount,
         e.em_user,
@@ -1200,10 +1292,17 @@ function getDecreasingOrderAmountCustomers($conn, $current_start, $current_end,
         GROUP BY customer_id
     ) previous_period ON c.id = previous_period.customer_id
     JOIN employee e ON c.cs_belong = e.id
+    LEFT JOIN (
+        SELECT customer_id, MAX(order_date) as last_order_date
+        FROM orders
+        WHERE is_deleted = 0
+        GROUP BY customer_id
+    ) last_order ON c.id = last_order.customer_id
     WHERE previous_period.amount > 0
     AND (current_period.amount IS NULL OR (current_period.amount / previous_period.amount - 1) * 100 <= {$threshold})
     AND c.cs_deal = 3{$employee_filter}
-    ORDER BY (current_period.amount / previous_period.amount) ASC";
+    ORDER BY last_order.last_order_date DESC
+    LIMIT {$offset}, {$page_size}";
     
     return $conn->query($sql);
 }