为以下代码添加注释import socket import clientui import sys from PyQt5 import QtCore, QtGui, QtWidgets import RC4 key = "infosystest" def end(client, ui): client.close() sys.exit() def messageEntryShowAndSend(ui,client): a = RC4.rc4Entry(ui.textEdit.toPlainText(), key) ui.textEdit_2.setText(a) client.send(a.encode()) MaxBytes = 1024 * 1024 port = 11223 client = socket.socket(socket.AF_INET, socket.SOCK_STREAM) client.settimeout(30) app = QtWidgets.QApplication(sys.argv) MainWindow = QtWidgets.QMainWindow() ui = clientui.Ui_clientui() ui.setupUi(MainWindow) ui.lineEdit.setText('127.0.0.1') ui.pushButton_3.clicked.connect(lambda: client.connect((ui.lineEdit.text(), port))) ui.pushButton.clicked.connect(lambda:messageEntryShowAndSend(ui,client)) ui.pushButton_2.clicked.connect(lambda: end(client)) MainWindow.show() sys.exit(app.exec_())

# 导入必要的库
import socket
import clientui
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
import RC4

# 设置RC4加密的密钥
key = "infosystest"

# 定义结束客户端连接的函数
def end(client, ui):
client.close()
sys.exit()

# 定义消息输入和发送的函数
def messageEntryShowAndSend(ui,client):
# 对消息进行RC4加密
a = RC4.rc4Entry(ui.textEdit.toPlainText(), key)
ui.textEdit_2.setText(a)
# 发送加密后的消息
client.send(a.encode())

# 设置最大数据量
MaxBytes = 1024 * 1024

# 创建客户端套接字
port = 11223
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client.settimeout(30)

# 创建GUI界面
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = clientui.Ui_clientui()
ui.setupUi(MainWindow)
ui.lineEdit.setText('127.0.0.1')

# 绑定按钮的点击事件
ui.pushButton_3.clicked.connect(lambda: client.connect((ui.lineEdit.text(), port)))
ui.pushButton.clicked.connect(lambda:messageEntryShowAndSend(ui,client))
ui.pushButton_2.clicked.connect(lambda: end(client))

# 显示GUI界面
MainWindow.show()
sys.exit(app.exec_())