在tkinter窗口中显示Twisted reactor接收到的UDP消息,可以通过以下步骤实现:
import tkinter as tk
from twisted.internet import reactor, protocol
tkinter.Frame
的自定义窗口类,并在其中定义一个用于显示消息的文本框:class App(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.pack()
self.textbox = tk.Text(self)
self.textbox.pack()
twisted.internet.protocol.DatagramProtocol
的自定义协议类,用于接收UDP消息并将其显示在文本框中:class UDPProtocol(protocol.DatagramProtocol):
def __init__(self, app):
self.app = app
def datagramReceived(self, data, addr):
message = data.decode()
self.app.textbox.insert(tk.END, message + '\n')
tkinter.Tk
实例,并初始化自定义窗口类和协议类:if __name__ == '__main__':
root = tk.Tk()
app = App(master=root)
udp_protocol = UDPProtocol(app)
reactor.listenUDP(1234, udp_protocol)
reactor.run()
完整的代码示例如下:
import tkinter as tk
from twisted.internet import reactor, protocol
class App(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.pack()
self.textbox = tk.Text(self)
self.textbox.pack()
class UDPProtocol(protocol.DatagramProtocol):
def __init__(self, app):
self.app = app
def datagramReceived(self, data, addr):
message = data.decode()
self.app.textbox.insert(tk.END, message + '\n')
if __name__ == '__main__':
root = tk.Tk()
app = App(master=root)
udp_protocol = UDPProtocol(app)
reactor.listenUDP(1234, udp_protocol)
reactor.run()
这样,当Twisted的reactor接收到UDP消息时,会调用自定义协议类中的datagramReceived
方法,将消息显示在tkinter窗口的文本框中。
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