fleat: products

system/functions.php

@@ -0,0 +1,108 @@
+<?php
+/**
+ * Shared utility functions for the system
+ * Contains functions for:
+ * - Product category handling
+ * - [Other shared functions can be added here in the future]
+ */
+
+// Function to get category name by ID
+function getCategoryName($conn, $category_id) {
+    if (!$category_id) {
+        return '未分类';
+    }
+    
+    $sql = "SELECT name FROM product_categories WHERE id = " . intval($category_id);
+    $result = mysqli_query($conn, $sql);
+    
+    if ($row = mysqli_fetch_assoc($result)) {
+        return htmlspecialcharsFix($row['name']);
+    }
+    
+    return '未知分类';
+}
+
+// Function to get full category path by ID (e.g., "父分类 > 子分类")
+function getCategoryPath($conn, $category_id) {
+    if (!$category_id) {
+        return '未分类';
+    }
+    
+    $path = array();
+    $current_id = $category_id;
+    
+    while ($current_id > 0) {
+        $sql = "SELECT id, name, parent_id FROM product_categories WHERE id = " . intval($current_id);
+        $result = mysqli_query($conn, $sql);
+        
+        if ($row = mysqli_fetch_assoc($result)) {
+            $path[] = htmlspecialcharsFix($row['name']);
+            $current_id = $row['parent_id'];
+        } else {
+            break;
+        }
+    }
+    
+    return implode(' > ', array_reverse($path));
+}
+
+// Function to build category tree
+function buildCategoryTree($conn) {
+    // Get all categories
+    $categories_sql = "SELECT * FROM product_categories ORDER BY parent_id ASC, sort_order ASC, id ASC";
+    $categories_result = mysqli_query($conn, $categories_sql);
+    
+    // Build category tree
+    $all_categories = array();
+    $cat_tree = array();
+    
+    // First pass: create an array of all categories
+    while ($cat_row = mysqli_fetch_assoc($categories_result)) {
+        $all_categories[$cat_row['id']] = $cat_row;
+        $all_categories[$cat_row['id']]['children'] = array();
+    }
+    
+    // Second pass: build the tree structure
+    foreach ($all_categories as $cat_id => $category) {
+        if ($category['parent_id'] == 0) {
+            // Root category
+            $cat_tree[$cat_id] = &$all_categories[$cat_id];
+        } else {
+            // Child category
+            if (isset($all_categories[$category['parent_id']])) {
+                $all_categories[$category['parent_id']]['children'][$cat_id] = &$all_categories[$cat_id];
+            }
+        }
+    }
+    
+    return [
+        'all_categories' => $all_categories,
+        'tree' => $cat_tree
+    ];
+}
+
+// Function to output category options for select dropdown
+function outputCategoryOptions($categories, $selected_id, $level = 0) {
+    foreach ($categories as $cat) {
+        $indent = str_repeat('&nbsp;&nbsp;&nbsp;&nbsp;', $level);
+        $prefix = $level > 0 ? $indent . '└─ ' : '';
+        $selected = ($selected_id == $cat['id']) ? ' selected="selected"' : '';
+        
+        echo '<option value="' . $cat['id'] . '"' . $selected . '>' . $prefix . htmlspecialcharsFix($cat['name']) . '</option>';
+        
+        // Output children
+        if (!empty($cat['children'])) {
+            outputCategoryOptions($cat['children'], $selected_id, $level + 1);
+        }
+    }
+}
+
+// Function to get all subcategory IDs (recursively)
+function getSubcategoryIds($categories, $parent_id, &$result_ids) {
+    foreach ($categories as $id => $category) {
+        if ($category['parent_id'] == $parent_id) {
+            $result_ids[] = $id;
+            getSubcategoryIds($categories, $id, $result_ids);
+        }
+    }
+} 

system/products.php

@@ -315,11 +315,7 @@ if ($act == 'add' || $act == 'edit') {
                             $area_result = mysqli_query($conn, $area_sql);
                             while ($area_row = mysqli_fetch_assoc($area_result)) {
                                 ?>
-                                <li>
-                                    <input type="hidden" name="nosale[]" value="<?php echo $area_row['id']; ?>">
-                                    <span class="cname"><?php echo htmlspecialcharsFix($area_row['countryName']); ?></span>
-                                    <span class="close"></span>
-                                </li>
+                                <li><input type="hidden" name="nosale[]" value="<?php echo $area_row['id']; ?>"><span class="cname"><?php echo htmlspecialcharsFix($area_row['countryName']); ?></span><span class="close"></span></li>
                                 <?php
                             }
                         }