def __init__(self, parent=None): super().__init__(parent) self.create_title_layout = QHBoxLayout() self.collection_title_layout = QHBoxLayout() self.local_title_layout = QHBoxLayout() self.recommend_title = QLabel(u'推荐') self.create_title = QLabel(u'创建的歌单') self.collection_title = QLabel(u'收藏的歌单') self.local_title = QLabel(u'本地歌单') self.create_fold_spread_btn = QPushButton() self.collection_fold_spread_btn = QPushButton() self.local_fold_spread_btn = QPushButton() self.new_playlist_btn = QPushButton('+') self.recommend_list_widget = SpreadWidget() self.create_list_widget = SpreadWidget() self.collection_list_widget = SpreadWidget() self.local_list_widget = SpreadWidget() self.fm_item = RecommendItem(self.recommend_list_widget, "私人FM", QPixmap(ICON_PATH + 'fm.png')) self.layout = QVBoxLayout() self.set_widgets_prop() self.set_layouts_prop() self.set_me()