PyQt5结合QtDesigner实现文本框读写操作

000
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

PyQt5结合QtDesigner实现文本框读写操作

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

PyQt5结合QtDesigner实现文本框读写操作

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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