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‎README.md‎

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* p28_鼠标事件 [源码下载](p28_鼠标事件) [博文地址](https://xugaoxiang.com/2022/05/15/pyqt5-28-mouse-event/)
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* p29_键盘事件 [源码下载](p29_键盘事件) [博文地址](https://xugaoxiang.com/2022/05/31/pyqt5-29-keyboard-event/)
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* p29_键盘事件 [源码下载](p29_键盘事件) [博文地址](https://xugaoxiang.com/2022/05/31/pyqt5-29-keyboard-event/)
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* p30_屏幕录制 [源码下载](p30_屏幕录制) [博文地址](https://xugaoxiang.com/2022/09/13/pyqt5-30-record/)

‎p30_屏幕录制/main.py‎

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import sys
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import numpy as np
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import cv2
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from PIL import ImageGrab
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from threading import Thread
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from PyQt5.QtWidgets import QMainWindow, QApplication
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from ui import Ui_MainWindow
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class MainWindow(QMainWindow, Ui_MainWindow):
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def __init__(self, parent=None):
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super(MainWindow, self).__init__(parent)
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self.setupUi(self)
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# 标志位
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self.record_flag = False
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self.pushButton_start.clicked.connect(self.start)
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self.pushButton_stop.clicked.connect(self.stop)
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def start(self):
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self.pushButton_start.setEnabled(False)
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self.pushButton_stop.setEnabled(True)
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# 开启线程
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self.th = Thread(target=self.start_recording)
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self.th.start()
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def start_recording(self):
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img = ImageGrab.grab()
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print('type: {}'.format(type(img)))
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width, height = img.size
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fourcc = cv2.VideoWriter_fourcc(*'XVID')
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fps = 30
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out = cv2.VideoWriter('record.avi', fourcc, fps, (width, height))
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while True:
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img = ImageGrab.grab()
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img_cv = cv2.cvtColor(np.array(img), cv2.COLOR_BGR2RGB)
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out.write(img_cv)
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if self.record_flag:
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out.release()
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break
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def stop(self):
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self.record_flag = True
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self.pushButton_start.setEnabled(True)
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self.pushButton_stop.setEnabled(False)
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if __name__ == '__main__':
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app = QApplication(sys.argv)
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windows = MainWindow()
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windows.show()
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sys.exit(app.exec_())

‎p30_屏幕录制/project.ui‎

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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>MainWindow</class>
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<widget class="QMainWindow" name="MainWindow">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>800</width>
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<height>600</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>MainWindow</string>
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</property>
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<widget class="QWidget" name="centralwidget">
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<widget class="QPushButton" name="pushButton_start">
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<property name="geometry">
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<rect>
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<x>170</x>
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<y>190</y>
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<width>161</width>
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<height>91</height>
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</rect>
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</property>
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<property name="font">
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<font>
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<family>Adobe Devanagari</family>
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<pointsize>14</pointsize>
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</font>
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</property>
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<property name="text">
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<string>开始录屏</string>
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</property>
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</widget>
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<widget class="QPushButton" name="pushButton_stop">
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<property name="geometry">
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<rect>
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<x>410</x>
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<y>190</y>
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<width>161</width>
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<height>91</height>
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</rect>
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</property>
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<property name="font">
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<font>
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<family>Adobe Devanagari</family>
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<pointsize>14</pointsize>
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</font>
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</property>
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<property name="text">
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<string>结束录屏</string>
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</property>
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</widget>
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</widget>
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<widget class="QMenuBar" name="menubar">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>800</width>
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<height>26</height>
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</rect>
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</property>
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</widget>
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<widget class="QStatusBar" name="statusbar"/>
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</widget>
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<resources/>
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<connections/>
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</ui>

‎p30_屏幕录制/ui.py‎

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# -*- coding: utf-8 -*-
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# Form implementation generated from reading ui file '.\project.ui'
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#
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# Created by: PyQt5 UI code generator 5.9.2
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#
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# WARNING! All changes made in this file will be lost!
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from PyQt5 import QtCore, QtGui, QtWidgets
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class Ui_MainWindow(object):
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def setupUi(self, MainWindow):
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MainWindow.setObjectName("MainWindow")
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MainWindow.resize(800, 600)
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self.centralwidget = QtWidgets.QWidget(MainWindow)
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self.centralwidget.setObjectName("centralwidget")
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self.pushButton_start = QtWidgets.QPushButton(self.centralwidget)
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self.pushButton_start.setGeometry(QtCore.QRect(170, 190, 161, 91))
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font = QtGui.QFont()
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font.setFamily("Adobe Devanagari")
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font.setPointSize(14)
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self.pushButton_start.setFont(font)
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self.pushButton_start.setObjectName("pushButton_start")
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self.pushButton_stop = QtWidgets.QPushButton(self.centralwidget)
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self.pushButton_stop.setGeometry(QtCore.QRect(410, 190, 161, 91))
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font = QtGui.QFont()
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font.setFamily("Adobe Devanagari")
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font.setPointSize(14)
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self.pushButton_stop.setFont(font)
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self.pushButton_stop.setObjectName("pushButton_stop")
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MainWindow.setCentralWidget(self.centralwidget)
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self.menubar = QtWidgets.QMenuBar(MainWindow)
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self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 26))
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self.menubar.setObjectName("menubar")
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MainWindow.setMenuBar(self.menubar)
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self.statusbar = QtWidgets.QStatusBar(MainWindow)
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self.statusbar.setObjectName("statusbar")
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MainWindow.setStatusBar(self.statusbar)
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self.retranslateUi(MainWindow)
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QtCore.QMetaObject.connectSlotsByName(MainWindow)
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def retranslateUi(self, MainWindow):
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_translate = QtCore.QCoreApplication.translate
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MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
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self.pushButton_start.setText(_translate("MainWindow", "开始录屏"))
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self.pushButton_stop.setText(_translate("MainWindow", "结束录屏"))
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