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    PyQt5结合QtDesigner实现文本框读写操作

    作者:XJT2019 时间:2021-08-09 18:31

    目录
    • 主要内容:
    • 实战案例:

    本文主要介绍了PyQt5结合QtDesigner实现文本框读写操作,分享给大家,具体如下:

    主要内容:

    1、读、写 输入控件(Input Widgets)中的内容(str)

    2、保存数据到txt文件

    3、从txt文件中读内容,与输入控件中内容比较

    将上述各种输入控件(Input Widgets)中的内容保存到txt文件中:

    Ui文件

    # -*- coding: utf-8 -*-
    
    from PyQt5 import QtCore, QtGui, QtWidgets
    
    class Ui_Dialog(object):
        def setupUi(self, Dialog):
            Dialog.setObjectName("Dialog")
            Dialog.resize(839, 589)
            Dialog.setSizeGripEnabled(True)
            self.pushButton = QtWidgets.QPushButton(Dialog)
            self.pushButton.setGeometry(QtCore.QRect(210, 390, 91, 41))
            self.pushButton.setObjectName("pushButton")
            self.pushButton_2 = QtWidgets.QPushButton(Dialog)
            self.pushButton_2.setGeometry(QtCore.QRect(530, 390, 91, 41))
            self.pushButton_2.setObjectName("pushButton_2")
            self.lineEdit = QtWidgets.QLineEdit(Dialog)
            self.lineEdit.setGeometry(QtCore.QRect(140, 460, 291, 20))
            self.lineEdit.setObjectName("lineEdit")
            self.textEdit = QtWidgets.QTextEdit(Dialog)
            self.textEdit.setGeometry(QtCore.QRect(140, 110, 541, 261))
            self.textEdit.setObjectName("textEdit")
            self.plainTextEdit = QtWidgets.QPlainTextEdit(Dialog)
            self.plainTextEdit.setGeometry(QtCore.QRect(140, 490, 441, 91))
            self.plainTextEdit.setObjectName("plainTextEdit")
            self.spinBox = QtWidgets.QSpinBox(Dialog)
            self.spinBox.setGeometry(QtCore.QRect(30, 290, 81, 22))
            self.spinBox.setObjectName("spinBox")
            self.doubleSpinBox = QtWidgets.QDoubleSpinBox(Dialog)
            self.doubleSpinBox.setGeometry(QtCore.QRect(30, 340, 81, 22))
            self.doubleSpinBox.setProperty("showGroupSeparator", False)
            self.doubleSpinBox.setPrefix("")
            self.doubleSpinBox.setProperty("value", 3.14)
            self.doubleSpinBox.setObjectName("doubleSpinBox")
            self.comboBox = QtWidgets.QComboBox(Dialog)
            self.comboBox.setGeometry(QtCore.QRect(30, 60, 141, 22))
            self.comboBox.setObjectName("comboBox")
            self.comboBox.addItem("")
            self.comboBox.addItem("")
            self.comboBox.addItem("")
            self.comboBox.addItem("")
            self.comboBox.addItem("")
            self.comboBox.addItem("")
            self.fontComboBox = QtWidgets.QFontComboBox(Dialog)
            self.fontComboBox.setGeometry(QtCore.QRect(230, 60, 189, 22))
            self.fontComboBox.setObjectName("fontComboBox")
    
            self.retranslateUi(Dialog)
            QtCore.QMetaObject.connectSlotsByName(Dialog)
    
        def retranslateUi(self, Dialog):
            _translate = QtCore.QCoreApplication.translate
            Dialog.setWindowTitle(_translate("Dialog", "Dialog"))
            self.pushButton.setText(_translate("Dialog", "确定/保存"))
            self.pushButton_2.setText(_translate("Dialog", "退出"))
            self.lineEdit.setText(_translate("Dialog", "123"))
            self.textEdit.setHtml(_translate("Dialog", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
    "<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
    "p, li { white-space: pre-wrap; }\n"
    "</style></head><body style=\" font-family:\'SimSun\'; font-size:9pt; font-weight:400; font-style:normal;\">\n"
    "<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"><span style=\" font-size:12pt;\">input content:</span></p></body></html>"))
            self.plainTextEdit.setPlainText(_translate("Dialog", "plainTextEdit"))
            self.comboBox.setItemText(0, _translate("Dialog", "item1"))
            self.comboBox.setItemText(1, _translate("Dialog", "item2"))
            self.comboBox.setItemText(2, _translate("Dialog", "item3"))
            self.comboBox.setItemText(3, _translate("Dialog", "item4"))
            self.comboBox.setItemText(4, _translate("Dialog", "item5"))
            self.comboBox.setItemText(5, _translate("Dialog", "item6"))
    
    
    if __name__ == "__main__":
        import sys
        app = QtWidgets.QApplication(sys.argv)
        Dialog = QtWidgets.QDialog()
        ui = Ui_Dialog()
        ui.setupUi(Dialog)
        Dialog.show()
        sys.exit(app.exec_())

    Main文件

    # -*- coding: utf-8 -*-
    
    """
    Module implementing file_dailog.
    """
    import sys
    from PyQt5.QtCore import pyqtSlot
    from PyQt5.QtWidgets import QDialog
    from PyQt5 import QtWidgets
    from Ui_file_operation import Ui_Dialog
    
    class file_dailog(QDialog, Ui_Dialog):
        """
        Class documentation goes here.
        """
        def __init__(self, parent=None):
            super(file_dailog, self).__init__(parent)
            self.setupUi(self)
            self.pushButton.mousePressEvent = self.pushButton_clicked
        
        def pushButton_clicked(self, a):
            self.logging_data()
            
        @pyqtSlot()
        def on_pushButton_2_clicked(self):
            sys.exit(0)
        
        def logging_data(self):
            with open(r'logs\data.txt', 'w+') as f:
                f.write(self.textEdit.toPlainText()+'\n')
                f.write(self.lineEdit.text()+'\n')
                f.write(self.plainTextEdit.toPlainText()+'\n')
                f.write(self.comboBox.currentText()+'\n')
                f.write(self.fontComboBox.currentText()+'\n')
                f.write(self.fontComboBox.currentText()+'\n')
                f.write(str(self.spinBox.value())+'\n')
                f.write(str(self.doubleSpinBox.value())+'\n')
                
            
    if __name__ == "__main__":
        app = QtWidgets.QApplication(sys.argv)
        ui = file_dailog()
        ui.show()
        sys.exit(app.exec_())
    
    Main文件

    实战案例:

    登录框--->输入账号密码--->与txt文件中账号密码进行验证--->进入下一个界面

    UI文件

    # -*- coding: utf-8 -*-
    
    from PyQt5 import QtCore, QtGui, QtWidgets
    
    class Ui_ok_cancle_Dialog(object):
        def setupUi(self, ok_cancle_Dialog):
            ok_cancle_Dialog.setObjectName("ok_cancle_Dialog")
            ok_cancle_Dialog.resize(411, 305)
            ok_cancle_Dialog.setSizeGripEnabled(True)
            self.horizontalLayout_4 = QtWidgets.QHBoxLayout(ok_cancle_Dialog)
            self.horizontalLayout_4.setSizeConstraint(QtWidgets.QLayout.SetMinimumSize)
            self.horizontalLayout_4.setSpacing(0)
            self.horizontalLayout_4.setObjectName("horizontalLayout_4")
            self.frame = QtWidgets.QFrame(ok_cancle_Dialog)
            self.frame.setFrameShape(QtWidgets.QFrame.StyledPanel)
            self.frame.setFrameShadow(QtWidgets.QFrame.Raised)
            self.frame.setObjectName("frame")
            self.verticalLayout = QtWidgets.QVBoxLayout(self.frame)
            self.verticalLayout.setObjectName("verticalLayout")
            self.frame_2 = QtWidgets.QFrame(self.frame)
            self.frame_2.setFrameShape(QtWidgets.QFrame.StyledPanel)
            self.frame_2.setFrameShadow(QtWidgets.QFrame.Raised)
            self.frame_2.setObjectName("frame_2")
            self.horizontalLayout = QtWidgets.QHBoxLayout(self.frame_2)
            self.horizontalLayout.setObjectName("horizontalLayout")
            self.label = QtWidgets.QLabel(self.frame_2)
            font = QtGui.QFont()
            font.setPointSize(15)
            font.setBold(True)
            font.setWeight(75)
            self.label.setFont(font)
            self.label.setObjectName("label")
            self.horizontalLayout.addWidget(self.label)
            self.lineEdit = QtWidgets.QLineEdit(self.frame_2)
            self.lineEdit.setMinimumSize(QtCore.QSize(0, 25))
            self.lineEdit.setObjectName("lineEdit")
            self.horizontalLayout.addWidget(self.lineEdit)
            self.verticalLayout.addWidget(self.frame_2)
            self.frame_3 = QtWidgets.QFrame(self.frame)
            self.frame_3.setFrameShape(QtWidgets.QFrame.StyledPanel)
            self.frame_3.setFrameShadow(QtWidgets.QFrame.Raised)
            self.frame_3.setObjectName("frame_3")
            self.horizontalLayout_2 = QtWidgets.QHBoxLayout(self.frame_3)
            self.horizontalLayout_2.setObjectName("horizontalLayout_2")
            self.label_2 = QtWidgets.QLabel(self.frame_3)
            font = QtGui.QFont()
            font.setPointSize(15)
            font.setBold(True)
            font.setWeight(75)
            self.label_2.setFont(font)
            self.label_2.setObjectName("label_2")
            self.horizontalLayout_2.addWidget(self.label_2)
            self.lineEdit_2 = QtWidgets.QLineEdit(self.frame_3)
            self.lineEdit_2.setMinimumSize(QtCore.QSize(0, 25))
            self.lineEdit_2.setText("")
            self.lineEdit_2.setFrame(True)
            self.lineEdit_2.setEchoMode(QtWidgets.QLineEdit.Password)
            self.lineEdit_2.setReadOnly(False)
            self.lineEdit_2.setObjectName("lineEdit_2")
            self.horizontalLayout_2.addWidget(self.lineEdit_2)
            self.verticalLayout.addWidget(self.frame_3)
            self.label_3 = QtWidgets.QLabel(self.frame)
            self.label_3.setMaximumSize(QtCore.QSize(16777215, 20))
            font = QtGui.QFont()
            font.setPointSize(10)
            font.setBold(False)
            font.setWeight(50)
            self.label_3.setFont(font)
            self.label_3.setStyleSheet("color: rgb(255, 0, 0);")
            self.label_3.setText("")
            self.label_3.setAlignment(QtCore.Qt.AlignCenter)
            self.label_3.setObjectName("label_3")
            self.verticalLayout.addWidget(self.label_3)
            self.frame_4 = QtWidgets.QFrame(self.frame)
            self.frame_4.setFrameShape(QtWidgets.QFrame.StyledPanel)
            self.frame_4.setFrameShadow(QtWidgets.QFrame.Raised)
            self.frame_4.setObjectName("frame_4")
            self.horizontalLayout_3 = QtWidgets.QHBoxLayout(self.frame_4)
            self.horizontalLayout_3.setObjectName("horizontalLayout_3")
            self.pushButton = QtWidgets.QPushButton(self.frame_4)
            font = QtGui.QFont()
            font.setPointSize(11)
            font.setBold(True)
            font.setWeight(75)
            self.pushButton.setFont(font)
            self.pushButton.setStyleSheet("background-color: rgb(116, 255, 155);")
            self.pushButton.setObjectName("pushButton")
            self.horizontalLayout_3.addWidget(self.pushButton)
            spacerItem = QtWidgets.QSpacerItem(30, 20, QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Minimum)
            self.horizontalLayout_3.addItem(spacerItem)
            self.pushButton_2 = QtWidgets.QPushButton(self.frame_4)
            font = QtGui.QFont()
            font.setPointSize(11)
            font.setBold(True)
            font.setWeight(75)
            self.pushButton_2.setFont(font)
            self.pushButton_2.setStyleSheet("background-color: rgb(62, 108, 73);")
            self.pushButton_2.setObjectName("pushButton_2")
            self.horizontalLayout_3.addWidget(self.pushButton_2)
            self.verticalLayout.addWidget(self.frame_4)
            self.horizontalLayout_4.addWidget(self.frame)
    
            self.retranslateUi(ok_cancle_Dialog)
            QtCore.QMetaObject.connectSlotsByName(ok_cancle_Dialog)
    
        def retranslateUi(self, ok_cancle_Dialog):
            _translate = QtCore.QCoreApplication.translate
            ok_cancle_Dialog.setWindowTitle(_translate("ok_cancle_Dialog", "Dialog"))
            self.label.setText(_translate("ok_cancle_Dialog", "账号:"))
            self.label_2.setText(_translate("ok_cancle_Dialog", "密码:"))
            self.pushButton.setText(_translate("ok_cancle_Dialog", "确认"))
            self.pushButton_2.setText(_translate("ok_cancle_Dialog", "取消"))
    
    
    if __name__ == "__main__":
        import sys
        app = QtWidgets.QApplication(sys.argv)
        ok_cancle_Dialog = QtWidgets.QDialog()
        ui = Ui_ok_cancle_Dialog()
        ui.setupUi(ok_cancle_Dialog)
        ok_cancle_Dialog.show()
        sys.exit(app.exec_())

    main文件

    # -*- coding: utf-8 -*-
    from PyQt5.QtCore import pyqtSlot
    from PyQt5.QtWidgets import QDialog
    from PyQt5 import QtWidgets
    from Ui_ok_cancel import Ui_ok_cancle_Dialog
    
    class ok_cancle_Dialog(QDialog, Ui_ok_cancle_Dialog):
    
        def __init__(self, parent=None):
            super(ok_cancle_Dialog, self).__init__(parent)
            self.setupUi(self)
        
        @pyqtSlot()
        def on_pushButton_clicked(self):
            f = open(r'logs\account.txt', 'r+',encoding='utf8')    #从logs文件夹下读取account.txt文件 中的账号 密码
            data = f.readlines()
            confirm = data[0].rstrip('\n') == self.lineEdit.text() and data[1] == self.lineEdit_2.text()
            if confirm:
                from selenium import webdriver
                browser = webdriver.Chrome()
                browser.get("http://www.taobao.com")
                browser.maximize_window()
    
            else:
                #print('=======================')
                self.label_3.setText('账号或密码错误请重新输入')
                
            f.close()
    
        @pyqtSlot()
        def on_pushButton_2_clicked(self):
            self.lineEdit.setText('')
            self.lineEdit_2.setText('')
            self.label_3.setText('')
    
    if __name__ == "__main__":
        import sys
        app = QtWidgets.QApplication(sys.argv)
        ui = ok_cancle_Dialog()
        ui.show()
        sys.exit(app.exec_())
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