sql语句中使用foreach

//Controller:把camera状态值不等于4的camera_id传回后台
condMap.put("cameraIds", cameraIds);
 
//XML文件:sql语句
select * from t where t.id in
        <foreach collection="cameraIds" index="index" item="item" open="(" separator="," close=")">
         	#{item}
     	</foreach>