Rest.php
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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\controller;
use think\App;
use think\Request;
use think\Response;
abstract class Rest
{
protected $method; // 当前请求类型
protected $type; // 当前资源类型
// 输出类型
protected $restMethodList = 'get|post|put|delete';
protected $restDefaultMethod = 'get';
protected $restTypeList = 'html|xml|json|rss';
protected $restDefaultType = 'html';
protected $restOutputType = [ // REST允许输出的资源类型列表
'xml' => 'application/xml',
'json' => 'application/json',
'html' => 'text/html',
];
/**
* 架构函数 取得模板对象实例
* @access public
*/
public function __construct()
{
// 资源类型检测
$request = Request::instance();
$ext = $request->ext();
if ('' == $ext) {
// 自动检测资源类型
$this->type = $request->type();
} elseif (!preg_match('/\(' . $this->restTypeList . '\)$/i', $ext)) {
// 资源类型非法 则用默认资源类型访问
$this->type = $this->restDefaultType;
} else {
$this->type = $ext;
}
// 请求方式检测
$method = strtolower($request->method());
if (false === stripos($this->restMethodList, $method)) {
// 请求方式非法 则用默认请求方法
$method = $this->restDefaultMethod;
}
$this->method = $method;
}
/**
* REST 调用
* @access public
* @param string $method 方法名
* @return mixed
* @throws \Exception
*/
public function _empty($method)
{
if (method_exists($this, $method . '_' . $this->method . '_' . $this->type)) {
// RESTFul方法支持
$fun = $method . '_' . $this->method . '_' . $this->type;
} elseif ($this->method == $this->restDefaultMethod && method_exists($this, $method . '_' . $this->type)) {
$fun = $method . '_' . $this->type;
} elseif ($this->type == $this->restDefaultType && method_exists($this, $method . '_' . $this->method)) {
$fun = $method . '_' . $this->method;
}
if (isset($fun)) {
return App::invokeMethod([$this, $fun]);
} else {
// 抛出异常
throw new \Exception('error action :' . $method);
}
}
/**
* 输出返回数据
* @access protected
* @param mixed $data 要返回的数据
* @param String $type 返回类型 JSON XML
* @param integer $code HTTP状态码
* @return Response
*/
protected function response($data, $type = 'json', $code = 200)
{
return Response::create($data, $type)->code($code);
}
}