python udp报文接收，,# coding=u

python udp报文接收，,# coding=u

# coding=utf-8#!/usr/bin/env pythonfrom PyQt5.QtCore import QPoint, QRect, QSize, Qtfrom PyQt5.QtWidgets import (QApplication, QLayout, QPushButton, QSizePolicy,QVBoxLayout,        QWidget)from PyQt5.Qt import QTextEdit, QLineEditfrom PyQt5.QtNetwork import *  import structimport datetimedef num2Ip(num):    ip = "%d.%d.%d.%d" % ((num>>24)&0xff,(num>>16)&0xff,(num>>8)&0xff,num&0xff)    return ipclass Window(QWidget):    def __init__(self):        super(Window, self).__init__()                self.fp = open("test.log","w")        flowLayout = QVBoxLayout()        self.ip = QLineEdit()        self.textEdit  = QTextEdit()        self.textEdit.setReadOnly(True)        self.btn = QPushButton("清空日志")        self.btn.clicked.connect(self.clearData)        flowLayout.addWidget(self.btn)        flowLayout.addWidget(self.textEdit)        self.setLayout(flowLayout)        self.setWindowTitle("日志监控")        self.port = 7700          self.udpSocket = QUdpSocket(self)          self.udpSocket.readyRead.connect(self.dataReceive)        result = self.udpSocket.bind(self.port)               def clearData(self):        self.textEdit.clear()                    def dataReceive(self):          while self.udpSocket.hasPendingDatagrams():              msglist = self.udpSocket.readDatagram(self.port)              msg = msglist[0]            length = len(msg)            if length == 23:                chl_id,ip_num,slot_id,counter,receiveFrameMode,snr,offsetFreqStatus = struct.unpack(‘!BIHIBHI‘, msg[0:-5])                time=datetime.datetime.now()                text = (time,chl_id,num2Ip(ip_num),slot_id,counter,receiveFrameMode,snr,offsetFreqStatus)                self.textEdit.insertPlainText(str(text))                self.textEdit.insertPlainText("\r\n")                self.fp.write(str(text) + "\r\n")if __name__ == ‘__main__‘:    import sys    app = QApplication(sys.argv)    mainWin = Window()    mainWin.show()    sys.exit(app.exec_())

python udp报文接收