loadPage method
请求指定页数的数据
Implementation
Future<void> loadPage(int page, [ARG? args]) async {
try {
_inLoading = true;
try {
_dataList = await _pageFetch(page, args);
_currentPage = page;
if (_subject.isClosed) return;
_subject.add(_dataList);
} catch (e) {
if (_subject.isClosed) return;
_subject.addError(e);
}
} finally {
_inLoading = false;
}
}