udp_test/send.py

# 接收机，相当于本机（192.168.49.10，端口号为 5010）
#，上行报文指接收机发送给上位机
import tkinter as tk
from threading import Thread
import socket
import time

class SendApp:
    def __init__(self, window):
        self.window = window
        self.window.title("Send端")

        # 发送区域
        self.send_frame = tk.Frame(window)
        self.send_frame.pack(padx=10, pady=10)

        self.send_label = tk.Label(self.send_frame, text="发送数据")
        self.send_label.pack(side=tk.LEFT)

        self.send_entry = tk.Entry(self.send_frame)
        self.send_entry.pack(side=tk.LEFT)

        self.send_button = tk.Button(self.send_frame, text="发送", command=self.send_message)
        self.send_button.pack(side=tk.LEFT)

        # 接收区域
        self.recv_frame = tk.Frame(window)
        self.recv_frame.pack(padx=10, pady=10)

        self.recv_text = tk.Text(self.recv_frame, height=15, width=50)
        self.recv_text.pack()
        #创建udp对象
        self.sk = socket.socket(type=socket.SOCK_DGRAM)
        self.sk.bind(("127.0.0.1", 5010))

        # 开始接收数据的线程
        self.thread = Thread(target=self.receive_data)
        self.thread.daemon = True
        self.thread.start()

    def send_message(self):
        msg = self.send_entry.get()
        #发送数据
        self.sk.sendto(msg.encode(), ("127.0.0.1", 9000))
        time.sleep(1)

    def receive_data(self):
        while True:
            #接收数据
            msg, addr = self.sk.recvfrom(1024)
            message_to_display = "Received: " + msg.decode() + " from " + str(addr)
            self.recv_text.insert(tk.END, message_to_display + "\n")

if __name__ == "__main__":
    root = tk.Tk()
    app = SendApp(root)
    root.mainloop()