pyqt5 comboBox 问题 - V2EX
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Teyying
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pyqt5 comboBox 问题

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  •   Teyying 2018-12-25 17:33:13 +08:00 2061 次点击
    这是一个创建于 2494 天前的主题,其中的信息可能已经有所发展或是发生改变。

    自己本来就是业余的新手,三个月前的练手项目,这两天打开要修改东西,忘了好多。我想把创建 comboBox 之后的代码换到另一个方法内,self.comboBox.activated[int].connect(self.connectComboBox)却不执行了。麻烦朋友帮看一下是什么原因:

    def setupUi(self,parent): widget = QWidget() widget.setObjectName('Ui_Chinese') parent.setCentralWidget(widget) self.comboBox = QComboBox(widget) self.comboBox.setGeometry(10, 200, 155, 25) self.comboBox.setView(QListView()) self.comboBox.addItems(['选择题型', '汉字学习', '拼音学习', '故事阅读']) self.comboBox.activated[int].connect(self.connectComboBox) self.comboBox.setMaxVisibleItems(10) # 只想要以上代码,但是 self.comboBox.activated[int].connect(self.connectComboBox)没有进入槽函数 self.scroll = QScrollArea(widget) self.vbar = self.scroll.verticalScrollBar() self.frameData = QFrame() self.frameData.setObjectName('frameData') gridData = QGridLayout() self.frameData.setLayout(gridData) hanziData = json.load(open('chineseData.json', 'r', encoding='utf-8')) row = 0 column = 0 for hanzi in hanziData: btn = QPushButton(hanzi) btn.setFixedSize(100, 100) btn.clicked.connect(self.connectframeData(hanzi)) gridData.addWidget(btn, row, column) # 我一句一句试着,结果是到这一句以上补上的话, # self.comboBox.activated[int].connect(self.connectComboBox)就执行槽函数, # 少了 gridData.addWidget(btn, row, column)这句都不行,后面的怎么添加都不影响。 column += 1 if column == 5: row += 1 column = 0 self.frameData.setMinimumSize(540, (row+1)*100) self.scroll.setGeometry(350, 200, 562, 430) self.scroll.setWidget(self.frameData) self.scroll.setAutoFillBackground(True) def connectComboBox(self, index): if index == 1: print(1) # self.scroll.show() # self.frameControl.show() else: print(3) # self.scroll.hide() # self.frameControl.hide() if index == 2: print(2) 

    麻烦朋友们帮帮忙,三个月不弄这都快忘完了,谢谢大佬了,我就是一业余的。

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