1 class AlarmController 2 {     3     const VALID = 1;  //有效 4     const INVALID = 0;  //无效 5      6      /** 7      * @param array $data 8      * @return bool 9      */10     public function doCheckShareholderApproval( array $data )11     {12         $fields = array( 'initiator', 'role', 'uid' );13         $check = $this->verifyInputParams( $data, $fields );14 15         if ( $check['status'] == self::INVALID ) {16             $this->error = array(17                 'errorCode' => 0,18                 'errorMsg' => $check['msg']19             );20             return false;21         }22     }23     24     /**25      * Check whether the field exists, there is a return value, there is no return error information26      * 检查字段是否存在，存在返回数值，不存在返回错误信息27      * @param $data28      * @param $fields29      * @return array30      */31     function verifyInputParams($data, $fields) {32         $error = array('status' => 1);33         $param = array();34         foreach ($fields as $key => $val) {35             if (!isset($data[$val])) {36                 $error['status'] = 0;37                 $error['msg'] = 'Illegal operation not find ' . $val . ' field';38                 return $error;39             }40 41             $param[$key] = $data[$val];42         }43 44         $error['data'] = $param;45         return $error;46     }47 }