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- <?php
- // +----------------------------------------------------------------------
- // | ThinkPHP [ WE CAN DO IT JUST THINK ]
- // +----------------------------------------------------------------------
- // | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
- // +----------------------------------------------------------------------
- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
- // +----------------------------------------------------------------------
- // | Author: liu21st <liu21st@gmail.com>
- // +----------------------------------------------------------------------
-
- namespace think\response;
-
- use think\Collection;
- use think\Model;
- use think\Response;
-
- class Xml extends Response
- {
- // 输出参数
- protected $options = [
- // 根节点名
- 'root_node' => 'think',
- // 根节点属性
- 'root_attr' => '',
- //数字索引的子节点名
- 'item_node' => 'item',
- // 数字索引子节点key转换的属性名
- 'item_key' => 'id',
- // 数据编码
- 'encoding' => 'utf-8',
- ];
-
- protected $contentType = 'text/xml';
-
- /**
- * 处理数据
- * @access protected
- * @param mixed $data 要处理的数据
- * @return mixed
- */
- protected function output($data)
- {
- // XML数据转换
- return $this->xmlEncode($data, $this->options['root_node'], $this->options['item_node'], $this->options['root_attr'], $this->options['item_key'], $this->options['encoding']);
- }
-
- /**
- * XML编码
- * @param mixed $data 数据
- * @param string $root 根节点名
- * @param string $item 数字索引的子节点名
- * @param string $attr 根节点属性
- * @param string $id 数字索引子节点key转换的属性名
- * @param string $encoding 数据编码
- * @return string
- */
- protected function xmlEncode($data, $root, $item, $attr, $id, $encoding)
- {
- if (is_array($attr)) {
- $array = [];
- foreach ($attr as $key => $value) {
- $array[] = "{$key}=\"{$value}\"";
- }
- $attr = implode(' ', $array);
- }
- $attr = trim($attr);
- $attr = empty($attr) ? '' : " {$attr}";
- $xml = "<?xml version=\"1.0\" encoding=\"{$encoding}\"?>";
- $xml .= "<{$root}{$attr}>";
- $xml .= $this->dataToXml($data, $item, $id);
- $xml .= "</{$root}>";
- return $xml;
- }
-
- /**
- * 数据XML编码
- * @param mixed $data 数据
- * @param string $item 数字索引时的节点名称
- * @param string $id 数字索引key转换为的属性名
- * @return string
- */
- protected function dataToXml($data, $item, $id)
- {
- $xml = $attr = '';
-
- if ($data instanceof Collection || $data instanceof Model) {
- $data = $data->toArray();
- }
-
- foreach ($data as $key => $val) {
- if (is_numeric($key)) {
- $id && $attr = " {$id}=\"{$key}\"";
- $key = $item;
- }
- $xml .= "<{$key}{$attr}>";
- $xml .= (is_array($val) || is_object($val)) ? $this->dataToXml($val, $item, $id) : $val;
- $xml .= "</{$key}>";
- }
- return $xml;
- }
- }
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