#主要的思路就是建立兩個frame(如果有兩個以上同理)使用setvisible()函式顯示或者隱藏frame 引數是bool值
import sys
from pyqt5.qtwidgets import *
from pyqt5.qtcore import *
from pyqt5.qtgui import *
class logindialog(qdialog):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.setwindowtitle('登入介面')
self.resize(200, 200)
self.setfixedsize(self.width(), self.height())
self.setwindowflags(qt.windowclosebuttonhint)
self.frame = qframe(self)
self.verticallayout = qvboxlayout(self.frame)
self.lineedit_account = qlineedit()
self.lineedit_account.setplaceholdertext("請輸入賬號")
self.verticallayout.addwidget(self.lineedit_account)
self.lineedit_password = qlineedit()
self.lineedit_password.setplaceholdertext("請輸入密碼")
self.verticallayout.addwidget(self.lineedit_password)
self.pushbutton_enter = qpushbutton()
self.pushbutton_enter.settext("進入下乙個介面")
self.verticallayout.addwidget(self.pushbutton_enter)
self.frame1 = qframe(self)
self.verticallayout = qvboxlayout(self.frame1)
self.pushbutton_quit = qpushbutton()
self.pushbutton_quit.settext("回到主頁面")
self.verticallayout.addwidget(self.pushbutton_quit)
self.frame1.setvisible(false)
self.pushbutton_enter.clicked.connect(self.on_pushbutton_enter_clicked)
self.pushbutton_quit.clicked.connect(self.on_pushbutton_enter_clicked_1)
def on_pushbutton_enter_clicked(self):
self.frame1.setvisible(true)
self.frame.setvisible(false)
def on_pushbutton_enter_clicked_1(self):
self.frame1.setvisible(false)
self.frame.setvisible(true)
if __name__ == "__main__":
dialog = logindialog()
if dialog.exec_() == qdialog.accepted:
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