list集合每5000条输出一次"/>
list集合每5000条输出一次
代码示例:
List<ZJJTMessageBean> zjjtQuery = ZJJTQuery(begin_date,end_date);
int listSize = zjjtQuery.size();
int toIndex = 5000;
for (int i = 0; i < zjjtQuery.size(); i += 5000) {
if (i + 5000 > listSize) {
toIndex = listSize - i;
}
List<ZJJTMessageBean> sublist=zjjtQuery.subList(i, i + toIndex);
Map<String,List<ZJJTMessageBean>> map=new HashMap<String,List<ZJJTMessageBean>>();
map.put("FISIED820A4A", sublist);
JSONObject jsonObject = JSONObject.fromObject(map);
//3、将json对象转化为json字符串
returnjson = jsonObject.toString();
System.out.println(returnjson );
}
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list集合每5000条输出一次
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