PyQt5实现界面跳转

妖狐艹你老母 2023-06-30 02:27 16阅读 0赞

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNzY3OTQ1_size_16_color_FFFFFF_t_70]  
主界面：

# -*- coding: utf-8 -*-
    
    # Form implementation generated from reading ui file 'Form.ui'
    #
    # Created by: PyQt5 UI code generator 5.10.1
    #
    # WARNING! All changes made in this file will be lost!
    #要注意的是跳转界面第二个必须使用QDialog类，不能使用QWidget，我也不知道为什么，特别注意
    from PyQt5 import QtCore, QtGui, QtWidgets
    from PyQt5.QtWidgets import QMainWindow, QApplication
    import Dialog1
    import Dialog2
    import sys
    
    
    class Ui_Form(object):  #这是用PyQt Designer生成的代码，很简单的，拖动控件，生成ui文件，然后UIC转换成py文件
        def setupUi(self, Form):
            Form.setObjectName("Form")
            Form.resize(440, 310)
            self.form = Form
            self.btn_d1 = QtWidgets.QPushButton(Form)
            self.btn_d1.setGeometry(QtCore.QRect(60, 140, 75, 23))
            self.btn_d1.setObjectName("btn_d1")
            self.btn_d2 = QtWidgets.QPushButton(Form)
            self.btn_d2.setGeometry(QtCore.QRect(180, 140, 75, 23))
            self.btn_d2.setObjectName("btn_d2")
            self.btn_exit = QtWidgets.QPushButton(Form)
            self.btn_exit.setGeometry(QtCore.QRect(310, 140, 75, 23))
            self.btn_exit.setObjectName("btn_exit")
    
            self.retranslateUi(Form)
            QtCore.QMetaObject.connectSlotsByName(Form)
    
        def retranslateUi(self, Form):
            _translate = QtCore.QCoreApplication.translate
            Form.setWindowTitle(_translate("Form", "Form"))
            self.btn_d1.setText(_translate("Form", "Demo1"))
            self.btn_d1.clicked.connect(self.jump_to_demo1)
            self.btn_d2.setText(_translate("Form", "Demo2"))
            self.btn_d2.clicked.connect(self.jump_to_demo2)
            self.btn_exit.setText(_translate("Form", "Exit"))
            self.btn_exit.clicked.connect(self.exit)
    
        def jump_to_demo1(self):        #这一块注意，是重点从主界面跳转到Demo1界面，主界面隐藏，如果关闭Demo界面，主界面进程会触发self.form.show()会再次显示主界面
            self.form.hide()            #如果没有self.form.show()这一句，关闭Demo1界面后就会关闭程序
            form1 = QtWidgets.QDialog()
            ui = Dialog1.Ui_Dialog1()
            ui.setupUi(form1)
            form1.show()
            form1.exec_()
            self.form.show()
    
        def jump_to_demo2(self):
            self.form.hide()
            form2 = QtWidgets.QDialog()
            ui = Dialog2.Ui_Dialog2()
            ui.setupUi(form2)
            form2.show()
            form2.exec_()
            self.form.show()
    
        def exit(self):
            self.form.close()
    
    
    if __name__ == "__main__":
        app = QApplication(sys.argv)
        form = QtWidgets.QWidget()
        window = Ui_Form()
        window.setupUi(form)
        form.show()
        sys.exit(app.exec_())

跳转界面demo：

# -*- coding: utf-8 -*-
    
    # Form implementation generated from reading ui file 'Dialog1.ui'
    #
    # Created by: PyQt5 UI code generator 5.10.1
    #
    # WARNING! All changes made in this file will be lost!
    
    from PyQt5 import QtCore, QtGui, QtWidgets
    
    class Ui_Dialog1(object):
        def setupUi(self, Dialog1):
            Dialog1.setObjectName("Dialog1")
            Dialog1.resize(400, 300)
            self.dialog=Dialog1
            self.pushButton = QtWidgets.QPushButton(Dialog1)
            self.pushButton.setGeometry(QtCore.QRect(140, 140, 75, 23))
            self.pushButton.setObjectName("pushButton")
    
            self.retranslateUi(Dialog1)
            QtCore.QMetaObject.connectSlotsByName(Dialog1)
    
        def retranslateUi(self, Dialog1):
            _translate = QtCore.QCoreApplication.translate
            Dialog1.setWindowTitle(_translate("Dialog1", "Dialog"))
            self.pushButton.setText(_translate("Dialog1", "Jump to main"))
            self.pushButton.clicked.connect(self.jump_to_main)
    
        def jump_to_main(self):
            self.dialog.close()

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNzY3OTQ1_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200114120223652.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQxNzY3OTQ1,size_16,color_FFFFFF,t_70