PHP 传输会话curl函数的实例详解

    private $serverhost = "https://demo.xxx.cn"; //测试    /**     * 请求接口封装  get/post/put/delete等     * access public     * @param string $url 接口地址     * @param string $params 参数     * @param string $type 类型 get/post/put/delete     * @return bool/array     */     public function getcurldata($url,$params,$type="get"){        $url = $this->serverhost.$url;         $response = array();        if($type == 'get'){ //get请求          //请求头可以加其他设置          $headers = array(              'Content-type: application/json;charset=UTF-8',          );          $ch = curl_init();          curl_setopt($ch, CURLOPT_URL, $url);          curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);          curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);          curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);          curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);          $response = curl_exec($ch);        }elseif ($type == 'post'){  //post请求          $headers = array(            'Content-type: application/json;charset=UTF-8',         );         $ch = curl_init();         curl_setopt($ch, CURLOPT_URL, $url);         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);         curl_setopt($ch, CURLOPT_POST, true);  //注意这几行         curl_setopt($ch, CURLOPT_POSTFIELDS, $params); //注意这几行         //curl_setopt($ch, CURLOPT_HEADER, true);         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);         curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);         $response = curl_exec($ch);        }elseif ($type == 'put'){ //put请求           $headers = array(               'Content-type: application/json;charset=UTF-8',          );           $ch = curl_init();          curl_setopt($ch, CURLOPT_URL, $url);          curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);          curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);          curl_setopt($ch, CURLOPT_PUT, true); //注意这几行          curl_setopt($ch, CURLOPT_POSTFIELDS, $params);          //curl_setopt($ch, CURLOPT_HEADER, true);          curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);          curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);          $response = curl_exec($ch);       }        return $response;    }  //如何调用上面代码   //get方式   /**    * 查询我创建过的班级    * @param string $url 接口地址    * @param string $params 参数    * @param string $type 类型 get    * @return array   */    public function mycreateclass($userid){        $url = "/xxx/xxxx/xxxx/".$userid; //请求地址拼接       $response = $this->getcurldata($url,array(),"get");       $createdclass = json_decode($response, true); //返回json格式数据        return $createdclass;    }    /** post方式请求     * 用户登录判断     * access public     * @param string $username 用户名     * @param string $password 密码     * @return bool    */    public function getlogin($username,$password)    {       //要post的数据       $params = array(          "username"   => $username,          "password"   => $password       );      $params = json_encode($params, 64|256);      $uri = "/xxx/xxx/login";      $response = $this->getcurldata($uri,$params,"post");      $result = json_decode($response, true);       return $result ;    }          /*身份转换--put 请求      */     public function changeuserole($token){         //要put的数据        $params = array();        $params = json_encode($params, 64|256);         $uri = "/xxx/xxx/xxx/".$token."/";        $response = $this->getcurldata($uri,$params,"put");        $result = json_decode($response, true);         //dump($result);die;         return $result;     } //还有一个delete方式 大家自己参考文档调试下吧上面3个请求方式都是单次请求(即请求一次)***************PHP自带函数curl_multi_get_contents函数(thinkphp自带此函数，可以微调下)：     /**       * 批量发起请求 已调通      * curl multi POST数据      * */     public function curl_multi_get_contents($url=array(), $param = array(), $timeout=1000){         $userAgent = 'Mozilla/4.0+(compatible;+MSIE+6.0;+Windows+NT+5.1;+SV1)';         $headers = array(            'Content-type: application/json;charset=UTF-8',         );         $curl_array=array();         $mh = curl_multi_init();         foreach($url as $uk=>$uv){            $curl_array[$uk] = curl_init();         }         unset($uk,$uv);         foreach($url as $uk=>$uv) {             $options = array(                CURLOPT_URL   => $uv,                CURLOPT_TIMEOUT => $timeout,                CURLOPT_RETURNTRANSFER => true,                CURLOPT_DNS_CACHE_TIMEOUT => 86400,                CURLOPT_DNS_USE_GLOBAL_CACHE  => true,                CURLOPT_SSL_VERIFYPEER => 0,                CURLOPT_HEADER => false,                CURLOPT_USERAGENT  => 'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)',                CURLOPT_HTTPHEADER => $headers,             );         if (isset($param[$uk])) {             foreach ($param[$uk] as $_k => $_v) {                //$options[$_k] = $_v;                $optionsparam[$_k] = $_v;                $options[CURLOPT_POSTFIELDS] = json_encode($optionsparam, 64|256);             }          }          curl_setopt_array($curl_array[$uk], $options);         curl_multi_add_handle($mh, $curl_array[$uk]);         unset($options);      }      unset($uk,$uv);      $running = NULL;      do {           curl_multi_exec($mh,$running);       } while($running > 0);        $res = array();       foreach($url as $uk=>$uv){            $res[$uk] = curl_multi_getcontent($curl_array[$uk]);       }       unset($uk,$uv);       foreach($url as $uk=>$uv){           curl_multi_remove_handle($mh, $curl_array[$uk]);       }      unset($url,$curl_array,$uk,$uv);      curl_multi_close($mh);      return $res;   } //如何调用--批量发起请求    //批量请求加入班级    public function batchjoinclass($token,$batchjoinclass){        $urlarr = $param = $returndata = array();         $param = $batchjoinclass; //二维数组 格式如下         /*         $param[1]['name'] = '班级新1';         $param[1]['iamge'] = 'xxx11.png';         $param[1]['iamgeType'] = 'CUSTOM';         $param[2]['name'] = '班级新2';         $param[2]['iamge'] = 'xxx.png';         $param[2]['iamgeType'] = 'CUSTOM';       */        //获取请求url       foreach($batchjoinclass as $key=>$val){           $urlarr[$key] = $this->serverhost."/xxx/xxxx/xxxx/".$token;        }         $res = $this->curl_multi_get_contents($urlarr,$param);         //格式化返回数据        foreach($res as $key=>$val){            $returndata[$key] = json_decode($val,true);        }         return $returndata;    }