main.py
import socket
import sys
import timefrom PyQt5.QtWidgets import QWidget, QApplication
from PyQt5.QtCore import QThread, pyqtSignal
from view.udpserver import Ui_Formclass UDPServer(QThread):message = pyqtSignal(str) # 主要是将接受到的信息，返给主线程def __init__(self):super().__init__()self.udp_runing = Truedef run(self):# 启动udpserverprint('执行了 run方法')self.udp_socker = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)self.udp_socker.bind(('0.0.0.0', 12345))while self.udp_runing:try:data, addr = self.udp_socker.recvfrom(1024)message = f"接收到：{addr}:{data.decode('utf-8')}"self.udp_socker.sendto(b'Received:%s' % data, addr)self.message.emit(message)except Exception as e:print(e)def stop(self):self.udp_runing = Falseself.udp_socker.close()self.quit()self.wait()class MyWin(QWidget, Ui_Form):def __init__(self):super().__init__()self.setupUi(self)self.udp_thread = None# 放到最后：防止其他属性尚未加载self.iniUI()def iniUI(self):self.resize(500, 500)self.pushButton.clicked.connect(self.start_udp)self.pushButton_2.clicked.connect(self.stop_udp)if self.udp_thread is None or not self.udp_thread.udp_runing:self.start_udp_button(1)def start_udp(self):if self.udp_thread is None or not self.udp_thread.udp_runing:self.textEdit.setText('正在启动')self.udp_thread = UDPServer() # 子线程一定要加selfself.udp_thread.message.connect(self.show_message)self.udp_thread.start()self.start_udp_button(statr=2)time.sleep(2)self.start_udp_button(statr=0)self.textEdit.setText('启动成功')def stop_udp(self):if self.udp_thread.udp_runing:self.textEdit.setText('正在关闭udp')self.udp_thread.stop()self.start_udp_button(statr=2)time.sleep(2)self.start_udp_button(statr=1)self.textEdit.setText('已经关闭')def show_message(self, mes):self.textEdit.setText(mes)def start_udp_button(self, statr=None):if statr == 0:# 启动upd，self.pushButton.setEnabled(False)self.pushButton_2.setEnabled(True)elif statr == 1:# 关闭后的状态self.pushButton.setEnabled(True)self.pushButton_2.setEnabled(False)elif statr == 2:# 状态切换状态self.pushButton.setEnabled(False)self.pushButton_2.setEnabled(False)if __name__ == '__main__':app = QApplication(sys.argv)w = MyWin()w.show()app.exec_()view.udpserver中的Ui_Form.py 该文件是将ui文件转换成py文件
# -*- coding: utf-8 -*-# Form implementation generated from reading ui file 'udpserver.ui'
#
# Created by: PyQt5 UI code generator 5.15.9
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again. Do not edit this file unless you know what you are doing.from PyQt5 import QtCore, QtGui, QtWidgetsclass Ui_Form(object):def setupUi(self, Form):Form.setObjectName("Form")Form.resize(486, 401)self.layoutWidget = QtWidgets.QWidget(Form)self.layoutWidget.setGeometry(QtCore.QRect(90, 80, 331, 41))self.layoutWidget.setObjectName("layoutWidget")self.horizontalLayout = QtWidgets.QHBoxLayout(self.layoutWidget)self.horizontalLayout.setContentsMargins(0, 0, 0, 0)self.horizontalLayout.setObjectName("horizontalLayout")self.pushButton = QtWidgets.QPushButton(self.layoutWidget)self.pushButton.setObjectName("pushButton")self.horizontalLayout.addWidget(self.pushButton)spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum)self.horizontalLayout.addItem(spacerItem)self.pushButton_2 = QtWidgets.QPushButton(self.layoutWidget)self.pushButton_2.setObjectName("pushButton_2")self.horizontalLayout.addWidget(self.pushButton_2)self.textEdit = QtWidgets.QTextEdit(Form)self.textEdit.setGeometry(QtCore.QRect(150, 190, 241, 91))self.textEdit.setObjectName("textEdit")self.retranslateUi(Form)QtCore.QMetaObject.connectSlotsByName(Form)def retranslateUi(self, Form):_translate = QtCore.QCoreApplication.translateForm.setWindowTitle(_translate("Form", "Form"))self.pushButton.setText(_translate("Form", "启动UDP"))self.pushButton_2.setText(_translate("Form", "关闭UDP"))
