List<String> mStrings=new ArrayList<>(); //初始化 for (int i = 0; i < 1020; i++) { mStrings.add(String.valueOf(i)); } List<List<String>> newStrings = new ArrayList<>(); if (mStrings.size() > 100) { if (mStrings.size() % 10
最近做mybatis+oracle项目的时候解决添加一条数据并返回所添加数据的主键问题 controller层 @RequestMapping("/addplan") public @ResponseBody OnlineAddplanWithBLOBs insertOnlineAddplan(OnlineAddplanWithBLOBs plan) throws Exception{ //plan是添加的数据,planid为数据主键,此时对象中主键为null int n = serv