简介
进行按钮进行界面的跳转，我这里面我介绍两种，一种是没有使用qtdesigner的代码，另一种是使用qtdesigner的代码
代码1
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import sys
from pyqt5.qtwidgets import qmainwindow, qpushbutton, qapplication
class first(qmainwindow):
def __init__(self):
super().__init__()
self.initui()
def initui(self):
self.btn = qpushbutton("button", self)
self.btn.move(30, 50)
self.setgeometry(300, 300, 500, 500)
self.setwindowtitle('event sender')
self.show()
class second(qmainwindow):
def __init__(self):
super().__init__()
self.initui()
def initui(self):
self.setgeometry(300, 300, 290, 150)
self.setwindowtitle('get sender')
if __name__ == '__main__':
app = qapplication(sys.argv)
a = first()
b = second()
a.show()
a.btn.clicked.connect(b.show)
sys.exit(app.exec_())
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代码2
下面的代码使用了qtdesigner的代码
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from pyqt5 import qtcore, qtgui, qtwidgets
import sys
from pyqt5.qtwidgets import qapplication, qmainwindow, qwidget, qlabel,\
qpushbutton, qlineedit, qmenubar, qstatusbar
from pyqt5.qtcore import *
class firstwindow(qwidget):
def __init__(self, parent=none):
# super这个用法是调用父类的构造函数
# parent=none表示默认没有父widget，如果指定父亲widget，则调用之
super(firstwindow, self).__init__(parent)
self.setgeometry(500, 500, 500, 500)
self.setwindowtitle('显示')
self.btn = qpushbutton(self)
self.btn.settext('标定')
self.btn.move(150, 50)
#下面的一部分是qtdesigner的代码
class ui_mainwindow(object):
def setupui(self, mainwindow):
mainwindow.setobjectname("mainwindow")
mainwindow.resize(624, 479)
self.centralwidget = qtwidgets.qwidget(mainwindow)
self.centralwidget.setobjectname("centralwidget")
self.label = qtwidgets.qlabel(self.centralwidget)
self.label.setgeometry(qtcore.qrect(190, 130, 51, 31))
self.label.setobjectname("label")
self.pushbutton = qtwidgets.qpushbutton(self.centralwidget)
self.pushbutton.setgeometry(qtcore.qrect(330, 260, 75, 23))
self.pushbutton.setobjectname("pushbutton")
self.lineedit = qtwidgets.qlineedit(self.centralwidget)
self.lineedit.setgeometry(qtcore.qrect(280, 130, 151, 21))
self.lineedit.setobjectname("lineedit")
self.label_2 = qtwidgets.qlabel(self.centralwidget)
self.label_2.setgeometry(qtcore.qrect(190, 180, 51, 31))
self.label_2.setobjectname("label_2")
self.lineedit_2 = qtwidgets.qlineedit(self.centralwidget)
self.lineedit_2.setgeometry(qtcore.qrect(280, 190, 151, 21))
self.lineedit_2.setobjectname("lineedit_2")
self.pushbutton_2 = qtwidgets.qpushbutton(self.centralwidget)
self.pushbutton_2.setgeometry(qtcore.qrect(200, 260, 75, 23))
self.pushbutton_2.setobjectname("pushbutton_2")
mainwindow.setcentralwidget(self.centralwidget)
self.menubar = qtwidgets.qmenubar(mainwindow)
self.menubar.setgeometry(qtcore.qrect(0, 0, 624, 23))
self.menubar.setobjectname("menubar")
mainwindow.setmenubar(self.menubar)
self.statusbar = qtwidgets.qstatusbar(mainwindow)
self.statusbar.setobjectname("statusbar")
mainwindow.setstatusbar(self.statusbar)
self.retranslateui(mainwindow)
qtcore.qmetaobject.connectslotsbyname(mainwindow)
def retranslateui(self, mainwindow):
_translate = qtcore.qcoreapplication.translate
mainwindow.setwindowtitle(_translate("mainwindow", "mainwindow"))
self.label.settext(_translate("mainwindow", " 长"))
self.pushbutton.settext(_translate("mainwindow", "确定"))
self.label_2.settext(_translate("mainwindow", " 宽"))
self.pushbutton_2.settext(_translate("mainwindow", "取消"))
if __name__ == "__main__":
app = qapplication(sys.argv)
mainwindow = qmainwindow()
ui = ui_mainwindow()
ui.setupui(mainwindow)
ex = firstwindow()
ex.btn.clicked.connect(mainwindow.show)
ex.show()
sys.exit(app.exec_())
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以上这篇pyqt5使用按钮进行界面的跳转方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/pursuit_zhangyu/article/details/82916224