/** @return 获取某页音乐的信息 */
public String queryMusicInfoByPage() {
// 获取总记录数
totalRecord = musicBiz.counterByPage();
// 获取总页数
totalPage = (totalRecord + limitPage - 1) / limitPage;
// 当前页处理
if (nowPage < 1) {
nowPage = 1;
} else if (nowPage >= totalPage) {
nowPage = totalPage;
}
// 获得某页的记录
List<MusicInfo> MusicInfoPage = musicBiz.queryMusicInfoByPage(nowPage, limitPage);
app.setAttribute("MusicInfoPage", MusicInfoPage);
int a = 1;
req.setAttribute("a", a);
return "queryMusicInfoByPage";
}
/** @return 首页显示分页显示20首歌 */
public String queryNewMusicByNumberByPage() {
// 获取总记录数
totalRecord = musicBiz.counterByPage();
if (totalRecord > 20) {
totalRecord = 20; // musicBiz.counterByPage();
}
// 获取总页数
totalPage = (totalRecord + limitPage - 1) / limitPage;
// 当前页处理
if (nowPage < 1) {
nowPage = 1;
} else if (nowPage >= totalPage) {
nowPage = totalPage;
}
// 获得某页的记录
List<MusicInfo> allmusicListPage = musicBiz.queryNewMusicByNumberByPage(nowPage, limitPage);
app.setAttribute("allmusicListPage", allmusicListPage);
return "queryNewMusicByNumberByPage";
}