Qt窗口关闭后重新打开

Question

我创建了一个按钮来从 PC 浏览数据（打开 PC 文件并浏览）。窗口第一次正常打开，然后当我关闭它时，窗口再次打开。

我该怎么办？

代码：

class second (QDialog):
    def __init__(self):
        super(second,self).__init__()
        loadUi("tt3.ui",self)
        self.pushButton2.clicked.connect(self.pushButton2_handler)
        self.pushButton2.clicked.connect(self.pushButton2_open) #1

    def pushButton2_handler(self):
        print("Button pressed")
        self.pushButton2_open()

    def pushButton2_open(self):
        filename = QFileDialog.getOpenFileName()
        path = filename[0]
        print(path)
  
        try:
            with open(path,"r") as f :
                print(f.readline())
        except IOError:
            print('file not found')
        else :
            print('file is readed')    

Answer 1

我猜你应该删除这一行

"""self.pushButton2.clicked.connect(self.pushButton2_open) #1"""