PYQT5 操作记录

仅记录效果和代码，部分功能待完善

界面

代码

import datetime
import random
import socket
import sys
import time

from PyQt5.QtCore import QCoreApplication, QObject, pyqtSignal, QTime, QTimer
from PyQt5.QtGui import QIcon, QFont, QColor
from PyQt5.QtWidgets import QApplication, QWidget, QToolTip, QPushButton, QMessageBox, QDesktopWidget, QAction, qApp, \
    QMainWindow, QLCDNumber, QSlider, QVBoxLayout, QInputDialog, QLineEdit, QColorDialog, QFrame, QFontDialog, QLabel, \
    QSizePolicy, QFileDialog, QTextEdit, QHBoxLayout, QSplitter, QTextBrowser, QComboBox, QTableWidget, QRadioButton

from PyQt5.QtCore import Qt


class Communicate(QObject):
    closeApp = pyqtSignal()


class Example(QMainWindow):

    def __init__(self):
        super().__init__()

        self.initUI()

    def initUI(self):
        # 主程序窗口
        self.setGeometry(0, 0, 800, 600)
        self.setWindowTitle('QT Chellenge')
        self.center()
        self.setWindowIcon(QIcon('images/manage.png'))

        # 状态栏
        self.statusBar()

        # 工具栏
        self.toolbar = self.addToolBar('退出')

        # 创建一个菜单栏
        menubar = self.menuBar()

        # 主窗口布局
        main_layout = QHBoxLayout()

        widget = QWidget()
        widget.setStyleSheet('QWidget { background-color: %s }' % QColor(150, 130, 20).name())
        widget.setLayout(main_layout)
        self.setCentralWidget(widget)

        splitter1 = QSplitter(Qt.Horizontal)
        main_layout.addWidget(splitter1)

        self.lf = QFrame()
        self.lf.setStyleSheet('QWidget { background-color: %s }' % QColor(110, 90, 60).name())
        rf = QFrame()
        rf.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
        splitter1.addWidget(self.lf)
        splitter1.addWidget(rf)

        vbox = QVBoxLayout()
        vbox2 = QVBoxLayout()
        self.lf.setLayout(vbox)
        rf.setLayout(vbox2)
        setAction = QAction(QIcon('images/set.png'), '&Set', self)
        setAction.setShortcut('Ctrl+1')
        setAction.setStatusTip('Settings')
        setAction.triggered.connect(qApp.quit)

        exitAction = QAction(QIcon('images/exit.png'), '&Exit', self)
        exitAction.setShortcut('Ctrl+Q')
        exitAction.setStatusTip('Exit application')
        exitAction.triggered.connect(qApp.quit)

        downloadAction = QAction(QIcon('images/download.png'), '&Download', self)
        downloadAction.setShortcut('Ctrl+D')
        downloadAction.setStatusTip('Download file')
        downloadAction.triggered.connect(qApp.quit)

        runAction = QAction(QIcon('images/run.png'), '&Run', self)
        runAction.setShortcut('Ctrl+R')
        runAction.setStatusTip('Run service')
        runAction.triggered.connect(qApp.quit)

        stopAction = QAction(QIcon('images/stop.png'), '&Stop', self)
        stopAction.setShortcut('Ctrl+T')
        stopAction.setStatusTip('Stop service')
        stopAction.triggered.connect(qApp.quit)

        self.toolbar.addAction(setAction)
        self.toolbar.addAction(downloadAction)
        self.toolbar.addAction(runAction)
        self.toolbar.addAction(stopAction)
        self.toolbar.addAction(exitAction)

        # endregion

        # 添加菜单
        fileMenu = menubar.addMenu('&File')
        editMenu = menubar.addMenu('&Edit')
        toolMenu = menubar.addMenu('&Tool')
        helpMenu = menubar.addMenu('&Help')
        exitMenu = menubar.addMenu('&Exit')

        # 事件
        openFile = QAction(QIcon('F:\Python\PyQt5\Dialogs\images\open.png'), '打开', self)
        openFile.setShortcut('Ctrl+O')
        openFile.setStatusTip('打开一个文件')
        openFile.triggered.connect(self.file_dia)

        # 添加事件
        fileMenu.addAction(openFile)
        exitMenu.addAction(exitAction)

        # 设置了提示框的字体
        QToolTip.setFont(QFont('SansSerif', 10))
        self.setToolTip('This is a QWidget widget')
        btn = QPushButton('Button', self)
        btn.setToolTip('This is a QPushButton widget')
        btn.resize(btn.sizeHint())
        table = QTableWidget(self)
        btn_lay = QHBoxLayout(self)
        vbox.addLayout(btn_lay)
        btn_lay.addWidget(btn)
        # 点击触发
        btn1 = QPushButton('按钮一', self)
        btn_lay.addWidget(btn1)
        btn2 = QPushButton('按钮二', self)
        btn_lay.addWidget(btn2)
        btn1.clicked.connect(self.start)
        btn2.clicked.connect(self.end)

        # 创建信号连接到close槽
        self.c = Communicate()

        self.c.closeApp.connect(self.close)

        self.btn = QPushButton('对话框', self)
        btn_lay.addWidget(self.btn)
        self.btn.clicked.connect(self.showDialog)

        self.le = QLineEdit(self)
        vbox.addWidget(self.le)

        self.btn1 = QPushButton('color', self)
        btn_lay.addWidget(self.btn1)
        self.btn1.clicked.connect(self.chose_color)
        com1 = QComboBox(self)
        com1.addItems(["我的世界你曾经来过", "信息", "警告", "错误"])
        vbox.addWidget(com1)
        vbox.addWidget(table)
        btn_f = QPushButton('字体', self)
        btn_f.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        btn_lay.addWidget(btn_f)
        btn_f.clicked.connect(self.chose_font)

        self.textEdit = QTextEdit()
        vbox.addWidget(self.textEdit)

        tool = QHBoxLayout(self)
        vbox2.addLayout(tool)
        lab = QLabel("日志")
        tool.addWidget(lab)
        self.bt1 = QRadioButton("全部")
        self.bt2 = QRadioButton("信息")
        self.bt3 = QRadioButton("警告")
        self.bt4 = QRadioButton("错误")
        self.bt1.toggled.connect(self.clas_)
        self.bt2.toggled.connect(self.clas_)
        self.bt3.toggled.connect(self.clas_)
        self.bt4.toggled.connect(self.clas_)
        self.bt1.setStyleSheet('QWidget { background-color: %s }' % QColor(10, 200, 10).name())
        tool.addWidget(self.bt1)
        tool.addWidget(self.bt2)
        tool.addWidget(self.bt3)
        tool.addWidget(self.bt4)
        self.browser = QTextBrowser(self)  # shuchu
        vbox2.addWidget(self.browser)

        self.timer = QTimer(self)
        self.timer.timeout.connect(self.test_log)
        self.show()
            def file_dia(self):
        fname = QFileDialog.getOpenFileName(self, '打开文件', '/')
        if fname[0]:
            f = open(fname[0], 'r')
            with f:
                data = f.read()
                self.textEdit.setText(str(data))

    def chose_color(self):
        """颜色对话框"""
        col = QColorDialog.getColor()
        if col.isValid():
            self.lf.setStyleSheet('QWidget { background-color: %s }' % col.name())

    def chose_font(self):
        """字体对话框"""
        font, ok = QFontDialog.getFont()
        if ok:
            self.com1.setFont(font)

    def clas_(self):
        send = self.sender()

        if send.text() == "全部":
            self.bt1.setStyleSheet('QWidget { background-color: %s }' % QColor(10, 200, 10).name())
            self.bt2.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt3.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt4.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
        elif send.text() == "信息":
            self.bt1.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt2.setStyleSheet('QWidget { background-color: %s }' % QColor(10, 200, 10).name())
            self.bt3.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt4.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
        elif send.text() == "警告":
            self.bt1.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt2.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt3.setStyleSheet('QWidget { background-color: %s }' % QColor(10, 200, 10).name())
            self.bt4.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
        else:
            self.bt1.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt2.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt3.setStyleSheet('QWidget { background-color: %s }' % QColor(255, 255, 255).name())
            self.bt4.setStyleSheet('QWidget { background-color: %s }' % QColor(10, 200, 10).name())

    def showDialog(self):
        """输入对话框"""
        text, ok = QInputDialog.getText(self, '输入对话框', '随意写点啥：')
        if ok:
            self.le.setText(str(text))

    def mousePressEvent(self, event):
        """点击发射信号"""
        self.c.closeApp.emit()

    def browser(self):
        """点击发射信号"""
        txt = self.le.text()
        if not txt:
            txt = "未输入"
        self.browser.append(txt)

    def start(self):
        self.timer.start(2000)  # 5000 单位是毫秒， 即 5 秒
        self.statusBar().showMessage("即将测试")

    def end(self):
        self.statusBar().showMessage("测试停止")
        self.timer.stop()

    def test_log(self):
        self.statusBar().showMessage("测试中。。。")
        self.timer.stop()
        m = ["info occured", "error occured", "warning occured", "nothing occured"]
        t = datetime.datetime.now()
        msg = f"{t}：" + random.choice(m)
        sender = self.sender()
        if sender.isChecked():
            if sender.text() == "全部":

                self.browser.append(msg)
            elif sender.text() == "信息":
                if msg.count("info") > 0:
                    self.browser.append(msg)
            elif sender.text() == "警告":
                if msg.count("warning") > 0:
                    self.browser.append(msg)
            else:
                if msg.count("error") > 0:
                    self.browser.append(msg)
        self.timer.start()
            def buttonClicked(self):
        """点击事件刷新状态栏"""
        sender = self.sender()
        self.statusBar().showMessage(sender.text() + ' 被按下')

    def keyPressEvent(self, e):
        """esc退出"""
        if e.key() == Qt.Key_Escape:
            self.close()

    def closeEvent(self, event):
        """关闭提示"""
        reply = QMessageBox.question(self, 'Message',
                                     "Are you sure to quit?", QMessageBox.Yes |
                                     QMessageBox.No, QMessageBox.No)

        if reply == QMessageBox.Yes:
            event.accept()
        else:
            event.ignore()

    def center(self):
        """窗口居中"""
        qr = self.frameGeometry()
        cp = QDesktopWidget().availableGeometry().center()
        qr.moveCenter(cp)
        self.move(qr.topLeft())

    def count_time(self):  # todo
        """计时器"""
        if self.flag == 1:
            self.s = self.s + 1
        if (self.s == 60):
            self.s = 0
            self.m = self.m + 1
        if (self.m == 60):
            self.m = 0
            self.h = self.h + 1

        '''创建时间字符串'''
        time = QTime(self.h, self.m, self.s)
        text = time.toString('hh:mm')

        '''打印时间（每隔一秒中间的' : '号会闪一下'''
        if time.second() % 2 == 0:
            text = text[:2] + ' ' + text[3:]
        # print(text)
        self.lcd.display(text)

    def show_time(self):
        time_now = time.localtime()
        self.lcd.display(time_now)

【参考】：
1.https://maicss.gitbooks.io/pyqt5/content/