php读取用友u8客户档案

include('../common/conn.php');
$list=[];
$sql="SELECT  a.cCusCode,a.cCusName,b.cCCName,a.cCusDepart,c.cDepName FROM dbo.Customer a LEFT JOIN dbo.CustomerClass b on a.cCCCode=b.cCCCode LEFT JOIN dbo.Department c on c.cDepCode=a.cCusDepart  where b.cCCCode like '300%'";
$list=$db->getAll($sql);
$list=array_iconv($list);
if(is_array($list)){
    echo json_encode($list,JSON_UNESCAPED_UNICODE);
}