網上關於PyQt5的教程很少,特別是界面跳轉這一塊兒,自己研究了半天,下來和大家分享一下 一、首先是主界面 二、跳轉界面Demo1 三、跳轉界面Demo2 ...
網上關於PyQt5的教程很少,特別是界面跳轉這一塊兒,自己研究了半天,下來和大家分享一下
一、首先是主界面
1 # -*- coding: utf-8 -*- 2 3 # Form implementation generated from reading ui file 'Form.ui' 4 # 5 # Created by: PyQt5 UI code generator 5.10.1 6 # 7 # WARNING! All changes made in this file will be lost! 8 #要註意的是跳轉界面第二個必須使用QDialog類,不能使用QWidget,我也不知道為什麼,特別註意 9 from PyQt5 import QtCore, QtGui, QtWidgets 10 from PyQt5.QtWidgets import QMainWindow, QApplication 11 import Dialog1 12 import Dialog2 13 import sys 14 15 16 class Ui_Form(object): #這是用PyQt Designer生成的代碼,很簡單的,拖動控制項,生成ui文件,然後UIC轉換成py文件 17 def setupUi(self, Form): 18 Form.setObjectName("Form") 19 Form.resize(440, 310) 20 self.form = Form 21 self.btn_d1 = QtWidgets.QPushButton(Form) 22 self.btn_d1.setGeometry(QtCore.QRect(60, 140, 75, 23)) 23 self.btn_d1.setObjectName("btn_d1") 24 self.btn_d2 = QtWidgets.QPushButton(Form) 25 self.btn_d2.setGeometry(QtCore.QRect(180, 140, 75, 23)) 26 self.btn_d2.setObjectName("btn_d2") 27 self.btn_exit = QtWidgets.QPushButton(Form) 28 self.btn_exit.setGeometry(QtCore.QRect(310, 140, 75, 23)) 29 self.btn_exit.setObjectName("btn_exit") 30 31 self.retranslateUi(Form) 32 QtCore.QMetaObject.connectSlotsByName(Form) 33 34 def retranslateUi(self, Form): 35 _translate = QtCore.QCoreApplication.translate 36 Form.setWindowTitle(_translate("Form", "Form")) 37 self.btn_d1.setText(_translate("Form", "Demo1")) 38 self.btn_d1.clicked.connect(self.jump_to_demo1) 39 self.btn_d2.setText(_translate("Form", "Demo2")) 40 self.btn_d2.clicked.connect(self.jump_to_demo2) 41 self.btn_exit.setText(_translate("Form", "Exit")) 42 self.btn_exit.clicked.connect(self.exit) 43 44 def jump_to_demo1(self): #這一塊註意,是重點從主界面跳轉到Demo1界面,主界面隱藏,如果關閉Demo界面,主界面進程會觸發self.form.show()會再次顯示主界面 45 self.form.hide() #如果沒有self.form.show()這一句,關閉Demo1界面後就會關閉程式 46 form1 = QtWidgets.QDialog() 47 ui = Dialog1.Ui_Dialog1() 48 ui.setupUi(form1) 49 form1.show() 50 form1.exec_() 51 self.form.show() 52 53 def jump_to_demo2(self): 54 self.form.hide() 55 form2 = QtWidgets.QDialog() 56 ui = Dialog2.Ui_Dialog2() 57 ui.setupUi(form2) 58 form2.show() 59 form2.exec_() 60 self.form.show() 61 62 def exit(self): 63 self.form.close() 64 65 66 if __name__ == "__main__": 67 app = QApplication(sys.argv) 68 form = QtWidgets.QWidget() 69 window = Ui_Form() 70 window.setupUi(form) 71 form.show() 72 sys.exit(app.exec_())
二、跳轉界面Demo1
1 # -*- coding: utf-8 -*- 2 3 # Form implementation generated from reading ui file 'Dialog1.ui' 4 # 5 # Created by: PyQt5 UI code generator 5.10.1 6 # 7 # WARNING! All changes made in this file will be lost! 8 9 from PyQt5 import QtCore, QtGui, QtWidgets 10 11 class Ui_Dialog1(object): 12 def setupUi(self, Dialog1): 13 Dialog1.setObjectName("Dialog1") 14 Dialog1.resize(400, 300) 15 self.dialog=Dialog1 16 self.pushButton = QtWidgets.QPushButton(Dialog1) 17 self.pushButton.setGeometry(QtCore.QRect(140, 140, 75, 23)) 18 self.pushButton.setObjectName("pushButton") 19 20 self.retranslateUi(Dialog1) 21 QtCore.QMetaObject.connectSlotsByName(Dialog1) 22 23 def retranslateUi(self, Dialog1): 24 _translate = QtCore.QCoreApplication.translate 25 Dialog1.setWindowTitle(_translate("Dialog1", "Dialog")) 26 self.pushButton.setText(_translate("Dialog1", "Jump to main")) 27 self.pushButton.clicked.connect(self.jump_to_main) 28 29 def jump_to_main(self): 30 self.dialog.close()
三、跳轉界面Demo2
1 # -*- coding: utf-8 -*- 2 3 # Form implementation generated from reading ui file 'Dialog2.ui' 4 # 5 # Created by: PyQt5 UI code generator 5.10.1 6 # 7 # WARNING! All changes made in this file will be lost! 8 9 from PyQt5 import QtCore, QtGui, QtWidgets 10 from PyQt5.QtWidgets import QMainWindow, QDialog, QApplication 11 import sys 12 13 14 class Ui_Dialog2(object): 15 def setupUi(self, Dialog2): 16 Dialog2.setObjectName("Dialog2") 17 Dialog2.resize(400, 300) 18 self.dialog = Dialog2 19 self.pushButton = QtWidgets.QPushButton(Dialog2) 20 self.pushButton.setGeometry(QtCore.QRect(140, 160, 75, 23)) 21 self.pushButton.setObjectName("pushButton") 22 23 self.retranslateUi(Dialog2) 24 QtCore.QMetaObject.connectSlotsByName(Dialog2) 25 26 def retranslateUi(self, Dialog2): 27 _translate = QtCore.QCoreApplication.translate 28 Dialog2.setWindowTitle(_translate("Dialog2", "Dialog")) 29 self.pushButton.setText(_translate("Dialog2", "Jump to main")) 30 self.pushButton.clicked.connect(self.go_main) 31 32 def go_main(self): 33 self.dialog.close() 34 35 if __name__ == "__main__": 36 app = QApplication(sys.argv) 37 form = QtWidgets.QDialog() 38 ui = Ui_Dialog2() 39 ui.setupUi(form) 40 form.show() 41 sys.exit(app.exec_())