(一)Android智能下拉刷新框架-SmartRefreshLayout https://github.com/scwang90/SmartRefreshLayout?tabreadme-ov-file (二)LruCache使用 使用它可以进行图片的内存缓存
public class ImageLoaderUtil {private LruCache<St…
1,查询所有
mysql> select * from grade;2,
mysql> select id,firstname,lastname from grade;3,
mysql> select firstname,lastname from grade where id > 4;4,
mysql> select * from grade where sex f;5&…