//代码:
List<String> list=new ArrayList<String>();
if(order.getOrderstatus().contains("&")){
String[] str=order.getOrderstatus().split("&");
for (int i = 0; i < str.length; i++) {
list.add(str[i]);
}
}else{
list.add(order.getOrderstatus());
}
map.put("status",list);
//数据库:
select * from table where status in
<foreach collection="status" index="index" item="item" open="(" separator="," close=")">
#{item}
</foreach>