turns-00000.parquet:72404
dfad1e471b6b25f5ecfc6e84degenerate_repetitionAbsentFinal dense release
USER
在程序中增加异常处理机制，显示修改后的完整且缩进显示正确代码
ASSISTANT
好的，下面是添加了异常处理机制的完整代码，已进行缩进显示。
```python
import socket
import tkinter as tk
from tkinter import messagebox
import select
HOST = '192.168.1.1' # 默认目标IP
PORT = 8001 # 默认目标端口
class Application(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.master = master
self.master.title("TCP客户端") # 设置窗口标题
self.pack()
# 创建IP输入框
self.host_label = tk.Label(self, text="目标IP:")
self.host_label.grid(row=0, column=0)
self.host_entry = tk.Entry(self)
self.host_entry.insert(0, HOST)
self.host_entry.grid(row=0, column=1)
# 创建端口输入框
self.port_label = tk.Label(self, text="目标端口:")
self.port_label.grid(row=1, column=0)
self.port_entry = tk.Entry(self)
self.port_entry.insert(0, PORT)
self.port_entry.grid(row=1, column=1)
# 创建报文输入框
self.msg_label = tk.Label(self, text="报文内容:")
self.msg_label.grid(row=2, column=0)
self.msg_entry = tk.Entry(self)
self.msg_entry.grid(row=2, column=1)
# 创建开始连接按钮
self.connect_button = tk.Button(self, text="开始连接", command=self.connect)
self.connect_button.grid(row=3, column=0)
# 创建中断连接按钮
self.disconnect_button = tk.Button(self, text="中断连接", state=tk.DISABLED, command=self.disconnect)
self.disconnect_button.grid(row=3, column=1)
# 创建发送按钮
self.send_button = tk.Button(self, text="发送", state=tk.DISABLED, command=self.send_msg)
self.send_button.grid(row=4, column=1)
# 保存连接状态
self.connected = False
# 设置读取超时时间
self.timeout = 1.0
def connect(self):
# 获取IP和端口
global HOST, PORT
HOST = self.host_entry.get()
PORT = int(self.port_entry.get())
try:
# 创建TCP客户端套接字并连接目标主机
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.connect((HOST, PORT))
# 设置非阻塞式I/O
self.sock.setblocking(False)
# 设置连接状态和按钮状态
self.connected = True
self.connect_button.config(state=tk.DISABLED)
self.disconnect_button.config(state=tk.NORMAL)
self.send_button.config(state=tk.NORMAL)
except OSError:
self.show_error("连接错误", "无法连接到目标主机，请检查IP和端口是否正确")
except Exception as e:
self.show_error("连接错误", str(e))
def disconnect(self):
# 关闭连接和设置状态
self.sock.close()
self.connected = False
self.connect_button.config(state=tk.NORMAL)
self.disconnect_button.config(state=tk.DISABLED)
self.send_button.config(state=tk.DISABLED)
def send_msg(self):
try:
# 获取报文内容并将其转换为16进制
msg = bytearray.fromhex(self.msg_entry.get())
# 发送报文
self.sock.sendall(msg)
# 获取可读取的socket
rlist, _, _ = select.select([self.sock], [], [], self.timeout)
if len(rlist) > 0:
# 接收响应
data = self.sock.recv(1024)
# 将响应数据转换为16进制
hex_data = data.hex()
# 弹出消息框显示响应内容
response = "响应内容:" + hex_data
messagebox.showinfo(title="回复", message=response)
else:
self.show_error("收到超时", "等待响应超时，请检查网络连接是否正常")
except socket.timeout:
self.show_error("收到超时", "等待响应超时，请检查网络连接是否正常")
except OSError:
self.show_error("连接错误", "无法发送数据，请检查连接是否正常")
except Exception as e:
self.show_error("发送错误", str(e))
def show_error(self, title, message):
# 弹出错误窗口
messagebox.showerror(title=title, message=message)
# 创建GUI应用程序并运行
root = tk.Tk()
app = Application(master=root)
app.mainloop()
```