function checkTel($req) { $tel = trim($req['tel']); $response['status'] = 0; if (empty($tel)) { $response['status'] = 1; echo json_encode($response); return; } if (UserService::verifyTel($tel)) { $response['msg'] = "手机号码已被注册"; echo json_encode($response); return; } $response['status'] = 1; echo json_encode($response); }