mirror of
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122 lines
4.5 KiB
PHP
122 lines
4.5 KiB
PHP
<?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) 2006~2015 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\controller;
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use think\Response;
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abstract class rest {
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protected $_method = ''; // 当前请求类型
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protected $_type = ''; // 当前资源类型
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// 输出类型
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protected $restMethodList = 'get|post|put|delete';
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protected $restDefaultMethod = 'get';
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protected $restTypeList = 'html|xml|json|rss';
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protected $restDefaultType = 'html';
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protected $restOutputType = [ // REST允许输出的资源类型列表
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'xml' => 'application/xml',
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'json' => 'application/json',
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'html' => 'text/html',
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];
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/**
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* 架构函数 取得模板对象实例
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* @access public
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*/
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public function __construct() {
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// 资源类型检测
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if(''==__EXT__) { // 自动检测资源类型
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$this->_type = $this->getAcceptType();
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}elseif(!preg_match('/\('.$this->restTypeList.')$/i',__EXT__)) {
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// 资源类型非法 则用默认资源类型访问
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$this->_type = $this->restDefaultType;
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}else{
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$this->_type = __EXT__;
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}
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// 请求方式检测
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$method = strtolower($_SERVER['REQUEST_METHOD']);
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if(false === stripos($this->restMethodList,$method)) {
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// 请求方式非法 则用默认请求方法
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$method = $this->restDefaultMethod;
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}
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$this->_method = $method;
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}
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/**
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* REST 调用
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* @access public
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* @param string $method 方法名
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* @param array $args 参数
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* @return mixed
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*/
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public function _empty($method,$args) {
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if(method_exists($this,$method.'_'.$this->_method.'_'.$this->_type)) { // RESTFul方法支持
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$fun = $method.'_'.$this->_method.'_'.$this->_type;
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}elseif($this->_method == $this->restDefaultMethod && method_exists($this,$method.'_'.$this->_type) ){
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$fun = $method.'_'.$this->_type;
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}elseif($this->_type == $this->restDefaultType && method_exists($this,$method.'_'.$this->_method) ){
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$fun = $method.'_'.$this->_method;
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}
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if(isset($fun)) {
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$this->$fun();
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}else{
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// 抛出异常
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throw new \think\Exception(\think\Lang::get('_ERROR_ACTION_:').ACTION_NAME);
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}
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}
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/**
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* 输出返回数据
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* @access protected
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* @param mixed $data 要返回的数据
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* @param String $type 返回类型 JSON XML
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* @param integer $code HTTP状态
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* @return void
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*/
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protected function response($data,$type='',$code=200) {
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Response::sendHttpStatus($code);
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Response::returnData($data,strtolower($type)));
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}
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/**
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* 获取当前请求的Accept头信息
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* @return string
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*/
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static public function getAcceptType(){
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$type = [
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'html' => 'text/html,application/xhtml+xml,*/*',
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'xml' => 'application/xml,text/xml,application/x-xml',
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'json' => 'application/json,text/x-json,application/jsonrequest,text/json',
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'js' => 'text/javascript,application/javascript,application/x-javascript',
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'css' => 'text/css',
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'rss' => 'application/rss+xml',
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'yaml' => 'application/x-yaml,text/yaml',
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'atom' => 'application/atom+xml',
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'pdf' => 'application/pdf',
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'text' => 'text/plain',
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'png' => 'image/png',
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'jpg' => 'image/jpg,image/jpeg,image/pjpeg',
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'gif' => 'image/gif',
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'csv' => 'text/csv'
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];
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foreach($type as $key=>$val){
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$array = explode(',',$val);
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foreach($array as $k=>$v){
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if(stristr($_SERVER['HTTP_ACCEPT'], $v)) {
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return $key;
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}
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}
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}
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return false;
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}
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}
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