thinkphp-wechat/thinkphp/library/think/response/Xml.php
Wenbin.Wang d49c9fde59 代码
2021-12-24 16:40:05 +08:00

117 lines
3.5 KiB
PHP

<?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)
{
if (is_string($data)) {
if (0 !== strpos($data, '<?xml')) {
$encoding = $this->options['encoding'];
$xml = "<?xml version=\"1.0\" encoding=\"{$encoding}\"?>";
$data = $xml . $data;
}
return $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
* @access protected
* @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
* @access protected
* @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;
}
}