<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\response;
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use think\Request;
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use think\Response;
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class Jsonp extends Response
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{
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// 输出参数
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protected $options = [
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'var_jsonp_handler' => 'callback',
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'default_jsonp_handler' => 'jsonpReturn',
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'json_encode_param' => JSON_UNESCAPED_UNICODE,
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];
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protected $contentType = 'application/javascript';
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/**
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* 处理数据
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* @access protected
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* @param mixed $data 要处理的数据
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* @return mixed
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* @throws \Exception
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*/
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protected function output($data)
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{
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try {
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// 返回JSON数据格式到客户端 包含状态信息 [当url_common_param为false时是无法获取到$_GET的数据的，故使用Request来获取<xiaobo.sun@qq.com>]
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$var_jsonp_handler = Request::instance()->param($this->options['var_jsonp_handler'], "");
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$handler = !empty($var_jsonp_handler) ? $var_jsonp_handler : $this->options['default_jsonp_handler'];
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$data = json_encode($data, $this->options['json_encode_param']);
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if ($data === false) {
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throw new \InvalidArgumentException(json_last_error_msg());
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}
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$data = $handler . '(' . $data . ');';
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return $data;
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} catch (\Exception $e) {
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if ($e->getPrevious()) {
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throw $e->getPrevious();
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}
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throw $e;
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}
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}
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}
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