mongodb 集合查询$in

private BasicDBList buildDeptCodes(List<String> depts) {

BasicDBList dbList = new BasicDBList();
for (String code : depts) {
dbList.add(code);
}
return dbList;

}

BasicDBList values = buildDeptCodes(codes);
queryDBObject.put("department.code", new BasicDBObject("$in", values));

结果：queryDBObject:{"department.code":{"$in":[values]}}