function UpdateStudentInfo(StudentInfo $studentInfo)
{
$studentInfo_zkzh = $studentInfo->getZkzh();
$studentInfo_name = $studentInfo->getName();
$studentInfo_sex = $studentInfo->getSex();
$studentInfo_kslb = $studentInfo->getKslb();
$studentInfo_zzmm = $studentInfo->getZzmm();
$studentInfo_nation = $studentInfo->getNation();
$studentInfo_byxx = $studentInfo->getByxx();
$studentInfo_hkszd = $studentInfo->getHkszd();
$studentInfo_address = $studentInfo->getAddress();
$studentInfo_telephone = $studentInfo->getTelephone();
$studentInfo_zcxx = $studentInfo->getZcxx();
$studentInfo_cardNumber = $studentInfo->getCardNumber();
$studentInfo_xjh = $studentInfo->getXjh();
$studentInfo_gysznj = $studentInfo->getGysznj();
$studentInfo_gesznj = $studentInfo->getGesznj();
$studentInfo_gssznj = $studentInfo->getGssznj();
$studentInfo_memo = $studentInfo->getMemo();
$studentInfo_photo = $studentInfo->getPhoto();
$sql = "update t_StudentInfo set ";
$sql = $sql . "name='{$studentInfo_name}'";
$sql = $sql . ",sex='{$studentInfo_sex}'";
$sql = $sql . ",kslb='{$studentInfo_kslb}'";
$sql = $sql . ",zzmm='{$studentInfo_zzmm}'";
$sql = $sql . ",nation={$studentInfo_nation}";
$sql = $sql . ",byxx='{$studentInfo_byxx}'";
$sql = $sql . ",hkszd='{$studentInfo_hkszd}'";
$sql = $sql . ",address='{$studentInfo_address}'";
$sql = $sql . ",telephone='{$studentInfo_telephone}'";
$sql = $sql . ",zcxx='{$studentInfo_zcxx}'";
$sql = $sql . ",cardNumber='{$studentInfo_cardNumber}'";
$sql = $sql . ",xjh='{$studentInfo_xjh}'";
$sql = $sql . ",gysznj='{$studentInfo_gysznj}'";
$sql = $sql . ",gesznj='{$studentInfo_gesznj}'";
$sql = $sql . ",gssznj='{$studentInfo_gssznj}'";
$sql = $sql . ",memo='{$studentInfo_memo}'";
$sql = $sql . ",photo='{$studentInfo_photo}'";
$sql = $sql . " where zkzh='{$studentInfo_zkzh}'";
//调用数据层执行更新操作
$sqlHelper = new SqlHelper();
$res = $sqlHelper->execute_dml($sql);
$sqlHelper->close_connect();
return $res;
}