qq_40351478的博客

java编写小游戏大球吃小球游戏简介项目结构Direction类Ball类OtherBall类MyBall类Select_FrameAgainPanelFrame游戏简介在游戏中，玩家需要控制大球吃点比自己小的球，让自己变得更大才能吃到更大的小球。项目结构Direction类枚举类用来标注控制小球的方向package Ball;public enum Direction { L...

使用Iterator遍历 LinkedHashMap<String,String> linkedHashMap = new LinkedHashMap(); linkedHashMap.put("a", "a"); linkedHashMap.put("b", "b");

查询最新数据 SELECT * from tablewhere field=#{field} And collect_time ORDER BY collect_time DESC LIMIT 1查询十五分钟 select * from table where field=#{field} And collect_time >= now()-interval 15 minute...