// java 代码 把pids用“,”隔开的 转为集合
String[] linePid = dbcIU001.getLinePId().split(",");
ArrayList<String> linePIds = new ArrayList<String>();
Collections.addAll(linePIds, linePid);
dbcIU001.setLinePIds(linePIds);
sql:
<foreach item="item" index="index" collection="linePIds" open="(" separator="," close=")">
#{item}
</foreach>