案例

应用

$current_id  = $this->_request('current_id','intval'); // 当前值$exchange_id = $this->_request('exchange_id','intval'); // 替换值$current_key = array_search($current_id,$category_content_arr);$exchange_key = array_search($exchange_id,$category_content_arr);$category_content_arr[$exchange_key] = $current_id;$category_content_arr[$current_key]  = $exchange_id;$data['content'] = serialize($category_content_arr);$data['id']      = $category_id;$res = $mallCategoryModel->save($data);if ($res !== FALSE) {    echo "1"; // 排序成功} else {    echo "2"; // 排序失败}