ThinkPHP 5 AJAX跨域请求头设置实现过程解析

最近用thinkphp做项目，在测试环境时，存在接口的测试问题。在tp官网也没能找到相关的解决方法。自已看了一下源码，有如下的解决方案。

在项目目录下面，创建common/behavior/CronRun.php文件，文件内容如下：

<?php/*** Created by PhpStorm.* User: LiuYang* Date: 2017/3/9* Time: 19:37*/namespace app\\common\\behavior;use think\\Exception;use think\\Response;class CronRun{public function run(&$dispatch){$host_name = isset($_SERVER[\'HTTP_ORIGIN\']) ? $_SERVER[\'HTTP_ORIGIN\'] : \"*\";$headers = [\"Access-Control-Allow-Origin\" => $host_name,\"Access-Control-Allow-Credentials\" => \'true\',\"Access-Control-Allow-Headers\" => \"x-token,x-uid,x-token-check,x-requested-with,content-type,Host\"];if($dispatch instanceof Response) {$dispatch->header($headers);} else if($_SERVER[\'REQUEST_METHOD\'] === \'OPTIONS\') {$dispatch[\'type\'] = \'response\';$response = new Response(\'\', 200, $headers);$dispatch[\'response\'] = $response;}}}

接着在项目中（tags.php）配置行为动作，如下：

<?php// +----------------------------------------------------------------------// | ThinkPHP [ WE CAN DO IT JUST THINK ]// +----------------------------------------------------------------------// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.// +----------------------------------------------------------------------// | Licensed ( PHP开发/LICENSE-2.0.txt )// +----------------------------------------------------------------------// | Author: liu21st <[email protected]>// +----------------------------------------------------------------------// 应用行为扩展定义文件return [// 应用初始化\'app_init\'   => [],// 应用开始\'app_begin\'  => [\'app\\\\common\\\\behavior\\\\CronRun\'],// 模块初始化\'module_init\' => [],// 操作开始执行\'action_begin\' => [],// 视图内容过滤\'view_filter\' => [],// 日志写入\'log_write\'  => [],// 应用结束\'app_end\'   => [\'app\\\\common\\\\behavior\\\\CronRun\'],];

ok，以上几步就解决跨域请求问题。

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