设一个BOOL来控制加载更多那个显示和隐藏
onLoad: _loadMore
? () async {
await Future.delayed(Duration(seconds: 1), () {
print('onLoad');
setState(() {
_loadMore = false;
Future.delayed(Duration(milliseconds: 500), () {
setState(() {
_loadMore = true;
});
});
});
_controller.finishLoad(success: true, noMore: true);
});
}
: null,
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