PYQT5实现控制台显示功能的方法

yipeiwu_com6年前Python基础

界面文件 Ui_ControlBoard.py

# -*- coding: utf-8 -*-
 
# Form implementation generated from reading ui file 'Ui_ControlBoard.ui'
#
# Created by: PyQt5 UI code generator 5.11.3
#
# WARNING! All changes made in this file will be lost!
 
from PyQt5 import QtCore, QtWidgets
 
class Ui_MainWindow(object):
  def setupUi(self, MainWindow):
    MainWindow.setObjectName("MainWindow")
    MainWindow.resize(800, 600)
    self.centralwidget = QtWidgets.QWidget(MainWindow)
    self.centralwidget.setObjectName("centralwidget")
    self.textBrowser = QtWidgets.QTextBrowser(self.centralwidget)
    self.textBrowser.setGeometry(QtCore.QRect(50, 180, 591, 171))
    self.textBrowser.setObjectName("textBrowser")
    self.pushButton = QtWidgets.QPushButton(self.centralwidget)
    self.pushButton.setGeometry(QtCore.QRect(450, 390, 93, 28))
    self.pushButton.setObjectName("pushButton")
    MainWindow.setCentralWidget(self.centralwidget)
    self.menubar = QtWidgets.QMenuBar(MainWindow)
    self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 26))
    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.pushButton.setText(_translate("MainWindow", "PushButton"))
 

逻辑文件 Call_ControlBoard.py

版本一

#!/usr/bin/env python3
# -*- coding:utf-8 -*- 
from PyQt5 import QtCore, QtGui
import sys
from PyQt5.QtCore import QEventLoop, QTimer
from PyQt5.QtWidgets import QApplication, QMainWindow
 
from Ui_ControlBoard import Ui_MainWindow
 
class EmittingStr(QtCore.QObject):
    textWritten = QtCore.pyqtSignal(str) #定义一个发送str的信号
    def write(self, text):
      self.textWritten.emit(str(text))
 
 
class ControlBoard(QMainWindow, Ui_MainWindow):
  def __init__(self):
    super(ControlBoard, self).__init__()
    self.setupUi(self)
    # 下面将输出重定向到textBrowser中
    sys.stdout = EmittingStr(textWritten=self.outputWritten)
    sys.stderr = EmittingStr(textWritten=self.outputWritten)
 
 
    self.pushButton.clicked.connect(self.bClicked)
 
  def outputWritten(self, text):
    cursor = self.textBrowser.textCursor()
    cursor.movePosition(QtGui.QTextCursor.End)
    cursor.insertText(text)
    self.textBrowser.setTextCursor(cursor)
    self.textBrowser.ensureCursorVisible()
 
  def bClicked(self):
    """Runs the main function."""
    print('Begin')
    loop = QEventLoop()
    QTimer.singleShot(1000, loop.quit)
    loop.exec_()
    self.printABCD()
    loop = QEventLoop()
    QTimer.singleShot(1000, loop.quit)
    loop.exec_()
    print("End")
 
  def printABCD(self):
    print("aaaaaaaaaaaaaaaa")
    print("bbbbbbbbbbbbbbbb")
    print("cccccccccccccccc")
    print("dddddddddddddddd")
 
 
 
 
if __name__ == "__main__":
  app = QApplication(sys.argv)
  win = ControlBoard()
  win.show()
  sys.exit(app.exec_())

版本二

#!/usr/bin/env python3
# -*- coding:utf-8 -*- 
from PyQt5 import QtCore, QtGui
import sys
from PyQt5.QtCore import QEventLoop, QTimer
from PyQt5.QtWidgets import QApplication, QMainWindow
 
from Ui_ControlBoard import Ui_MainWindow
 
class EmittingStr(QtCore.QObject):
    textWritten = QtCore.pyqtSignal(str) #定义一个发送str的信号
    def write(self, text):
      self.textWritten.emit(str(text))
      loop = QEventLoop()
      QTimer.singleShot(1000, loop.quit)
      loop.exec_()
 
 
class ControlBoard(QMainWindow, Ui_MainWindow):
  def __init__(self):
    super(ControlBoard, self).__init__()
    self.setupUi(self)
    # 下面将输出重定向到textBrowser中
    sys.stdout = EmittingStr(textWritten=self.outputWritten)
    sys.stderr = EmittingStr(textWritten=self.outputWritten)
 
 
    self.pushButton.clicked.connect(self.bClicked)
 
  def outputWritten(self, text):
    cursor = self.textBrowser.textCursor()
    cursor.movePosition(QtGui.QTextCursor.End)
    cursor.insertText(text)
    self.textBrowser.setTextCursor(cursor)
    self.textBrowser.ensureCursorVisible()
 
  def bClicked(self):
    """Runs the main function."""
    print('Begin')
 
    self.printABCD()
 
    print("End")
 
  def printABCD(self):
    print("aaaaaaaaaaaaaaaa")
    print("bbbbbbbbbbbbbbbb")
    print("cccccccccccccccc")
    print("dddddddddddddddd")
 
 
 
 
if __name__ == "__main__":
  app = QApplication(sys.argv)
  win = ControlBoard()
  win.show()
  sys.exit(app.exec_())

版本三

#!/usr/bin/env python3
# -*- coding:utf-8 -*- 
from PyQt5 import QtCore, QtGui
import sys
from PyQt5.QtCore import QEventLoop, QTimer
from PyQt5.QtWidgets import QApplication, QMainWindow
 
from Ui_ControlBoard import Ui_MainWindow
 
class EmittingStr(QtCore.QObject):
    textWritten = QtCore.pyqtSignal(str) #定义一个发送str的信号
    def write(self, text):
      self.textWritten.emit(str(text))
 
 
class ControlBoard(QMainWindow, Ui_MainWindow):
  def __init__(self):
    super(ControlBoard, self).__init__()
    self.setupUi(self)
    # 下面将输出重定向到textBrowser中
    sys.stdout = EmittingStr(textWritten=self.outputWritten)
    sys.stderr = EmittingStr(textWritten=self.outputWritten)
 
 
    self.pushButton.clicked.connect(self.bClicked)
 
  def outputWritten(self, text):
    cursor = self.textBrowser.textCursor()
    cursor.movePosition(QtGui.QTextCursor.End)
    cursor.insertText(text)
    self.textBrowser.setTextCursor(cursor)
    self.textBrowser.ensureCursorVisible()
 
  def bClicked(self):
    """Runs the main function."""
    print('Begin')
 
    self.printABCD()
 
    print("End")
 
  def printABCD(self):
    print("aaaaaaaaaaaaaaaa")
    print("bbbbbbbbbbbbbbbb")
    print("cccccccccccccccc")
    print("dddddddddddddddd")
 
 
 
 
if __name__ == "__main__":
  app = QApplication(sys.argv)
  win = ControlBoard()
  win.show()
  sys.exit(app.exec_())

以上这篇PYQT5实现控制台显示功能的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【听图阁-专注于Python设计】。

相关文章

python:print格式化输出到文件的实例

遇到一个写文件的小程序,需要把print输出改成输出到文件,遇到这个问题的思路是把需要的字符串拼接到一个字符串中,然后在写到文件中,这样做觉得很麻烦,想到之前的学的exec的使用,但是实...

python smtplib模块自动收发邮件功能(二)

python smtplib模块自动收发邮件功能(二)

接上篇python smtplib模块自动收发邮件功能(一) ,用python smtplib模块实现了发送邮件程序了,那么接下来我们需要现在要解决的问题如何在 test_report\...

Flask框架模板渲染操作简单示例

本文实例讲述了Flask框架模板渲染操作。分享给大家供大家参考,具体如下: from flask import render_template from flask import F...

Python求解正态分布置信区间教程

Python求解正态分布置信区间教程

正态分布和置信区间 正态分布(Normal Distribution)又叫高斯分布,是一种非常重要的概率分布。其概率密度函数的数学表达如下: 置信区间是对该区间能包含未知参数的可置信的...

解密Python中的描述符(descriptor)

Python中包含了许多内建的语言特性,它们使得代码简洁且易于理解。这些特性包括列表/集合/字典推导式,属性(property)、以及装饰器(decorator)。对于大部分特性来说,这...