Page<Country> page = PageHelper.startPage(1, 10).setOrderBy("id desc").doSelectPage(new ISelect() {
@Override
public void doSelect() {
countryMapper.selectGroupBy();
}
});
Page<Country> page = PageHelper.startPage(1, 10).setOrderBy("id desc").doSelectPage(()-> countryMapper.selectGroupBy());
Page<Country> page = PageHelper.startPage(1, 10, "id desc").doSelectPage(()-> countryMapper.selectGroupBy());
pageInfo = PageHelper.startPage(1, 10).setOrderBy("id desc").doSelectPageInfo(new ISelect() {
@Override
public void doSelect() {
countryMapper.selectGroupBy();
}
});
pageInfo = PageHelper.startPage(1, 10).setOrderBy("id desc").doSelectPageInfo(() -> countryMapper.selectGroupBy());
long total = PageHelper.count(new ISelect() {
@Override
public void doSelect() {
countryMapper.selectLike(country);
}
});
total = PageHelper.count(()->countryMapper.selectLike(country));