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exp4-client.py
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'''
@Aurhor: Sublime. a.k.a. Xiao Yinrui
@Update: 2020.6.23
@E-mail: [email protected]
目前，仍有bug部分：
1.客户端和服务器端不能自动退出，会卡死
'''
from socket import *
from threading import Thread
import wx
import time, os, sys
import struct
APP_TITLE = u'实验4-Socket-客户端'
BUFSIZE = 1024
class Client(wx.Frame):
def __init__(self, superior):
wx.Frame.__init__(self, parent = superior, title = APP_TITLE)
self.Bind(wx.EVT_CLOSE, self.OnClose) #主窗口绑定自身的关闭事件
panel = wx.Panel(self, -1)
self.statusBar = self.CreateStatusBar() #创建状态栏
self.statusBar.SetStatusText('就绪')
self.checkBoxChat = wx.CheckBox(panel, -1, '聊天')
self.checkBoxFile = wx.CheckBox(panel, -1, '文件传输')
sizer1 = wx.FlexGridSizer(1, 2, 5, 5)
sizer1.AddMany(
[(self.checkBoxChat, 0, wx.SHAPED|wx.EXPAND),
(self.checkBoxFile, 0, wx.SHAPED|wx.EXPAND)]
)
label1 = wx.StaticText(panel, -1, "字符串发送区:", style=wx.ALIGN_RIGHT|wx.ALL)
self.sendBufferText = wx.TextCtrl(panel, -1, "",style=wx.ALIGN_LEFT)
self.sendBufferBtn = wx.Button(panel, -1, "发送")
self.Bind(wx.EVT_BUTTON, self.OnSendBufferBtn, self.sendBufferBtn)
sizer2 = wx.FlexGridSizer(1, 3, 5, 5)
sizer2.AddMany(
[(label1, 0, wx.SHAPED|wx.EXPAND),
(self.sendBufferText, 0, wx.SHAPED|wx.EXPAND),
(self.sendBufferBtn, 0, wx.SHAPED|wx.EXPAND)]
)
label2 = wx.StaticText(panel, -1, "字符串接收区:", style=wx.ALIGN_RIGHT|wx.ALL)
self.recvBuffer = wx.TextCtrl(panel, -1, "", style=wx.TE_READONLY | wx.ALIGN_LEFT)
#label3 = wx.StaticText(parent=panel,label="MousePos:")
#self.posMouse = wx.TextCtrl(panel, -1, "", style=wx.TE_READONLY)
sizer3 = wx.FlexGridSizer(1, 2, 5, 5)
sizer3.AddMany(
[(label2, 0, wx.ALIGN_RIGHT),
(self.recvBuffer, 0, wx.ALIGN_RIGHT)]
)
label3 = wx.StaticText(panel, -1, "需发送文件名：", style=wx.ALIGN_RIGHT|wx.ALL)
self.sendFileName = wx.TextCtrl(panel, -1, "", style=wx.ALIGN_LEFT)
self.sendFileBtn = wx.Button(panel, -1, "发送")
self.Bind(wx.EVT_BUTTON, self.OnSendFileBtn, self.sendFileBtn)
sizer4 = wx.FlexGridSizer(1, 3, 5, 5)
sizer4.AddMany(
[(label3, 0, wx.ALIGN_RIGHT),
(self.sendFileName, 0, wx.ALIGN_RIGHT),
(self.sendFileBtn, 0, wx.SHAPED|wx.EXPAND)]
)
self.border = wx.BoxSizer(wx.VERTICAL)
self.border.Add(sizer1, 0, wx.ALL, 15)
self.border.Add(sizer2, 0, wx.ALL, 15)
self.border.Add(sizer3, 0, wx.ALL, 15)
self.border.Add(sizer4, 0, wx.ALL, 15)
panel.SetSizerAndFit(self.border)
self.Fit() # 窗体大小自适应
self.closeFlag = False
self.fileFlag = False
self.flag = False
self.buffBtnClicked = False
self.fileBtnClicked = False
self.initSocket()
def initSocket(self):
'''客户端Socket初始化'''
# 创建套接字
self.tcp_socket_client = socket(AF_INET,SOCK_STREAM)
# 创建链接
dest_ip = '127.0.0.1'
dest_port = 7788
self.tcp_socket_client.connect((dest_ip,dest_port))
# 启动收发线程
self.thread_rece = Thread(target=self.recv)
self.thread_send = Thread(target=self.send_msg)
self.thread_rece.start()
self.thread_send.start()
'''OnClose退出重写'''
def OnClose(self, event):
global client
r = wx.MessageBox("是否真的要关闭窗口？", "请确认", wx.CANCEL|wx.OK|wx.ICON_QUESTION)
if r == wx.OK: #注意wx.OK跟wx.MessageDialog返回值wx.ID_OK不一样
self.closeFlag = True
self.tcp_socket_client.send('xx'.encode()) #喜爱难过向服务器端发送关闭指令
#sys.exit(0)
self.tcp_socket_client.close()
self.thread_rece.join()
self.thread_send.join()
# 关闭
#self.tcp_socket_client.close()
client.Destroy()
def OnSendBufferBtn(self, event):
buff = self.sendBufferText.GetValue()
self.msg = buff
self.buffBtnClicked = True
def OnSendFileBtn(self, event):
#self.tcp_socket_client.send('file'.encode())
self.filename = self.sendFileName.GetValue()
self.fileBtnClicked = True
def recv(self):
while True:
print(self.closeFlag)
if self.closeFlag == True:
break
data_recv = self.tcp_socket_client.recv(1024)
data=data_recv.decode()
self.recvBuffer.SetValue(data)
#print('>服务端：', data)
def send_msg(self):
self.msg = ''
self.filename = ''
self.modeChat = 0
self.modeFile = 0
while True:
isChat = self.checkBoxChat.GetValue()
isFile = self.checkBoxFile.GetValue()
if isChat == False and isFile == False:
if self.closeFlag == True:
break
continue
if isChat and not isFile: #聊天模式
self.modeChat = 1
self.modeFile = 0
self.sendCurrentMode(self.modeChat, self.modeFile)
while not self.buffBtnClicked:
self.statusBar.SetStatusText('正在等待发送')
if self.closeFlag == True:
self.flag = True
break
continue
if self.flag:
break
self.buffBtnClicked = False
#print(self.closeFlag)
if self.msg != '':
self.tcp_socket_client.send(self.msg.encode())
self.msg = ''
self.statusBar.SetStatusText('消息发送成功')
time.sleep(2)
self.statusBar.SetStatusText('就绪')
self.exit_and_set_default()
elif not isChat and isFile: #文件发送模式
self.modeChat = 0
self.modeFile = 1
self.sendCurrentMode(self.modeChat, self.modeFile)
while not self.fileBtnClicked:
self.statusBar.SetStatusText('正在等待发送')
if self.closeFlag == True:
self.flag = True
break
continue
if self.flag:
break
self.fileBtnClicked = False
if self.filename != '':
file_size=os.path.getsize(self.filename)
fhead = struct.pack('l',file_size)
print(fhead) #打印出发送的原始对象信息
self.tcp_socket_client.sendall(fhead)
fp=open(self.filename,'rb')
while True:
data=fp.read(BUFSIZE)
if not data:
break
self.tcp_socket_client.sendall(data)
fp.close()
self.filename = ''
self.statusBar.SetStatusText('文件发送成功')
time.sleep(2)
self.statusBar.SetStatusText('就绪')
self.exit_and_set_default()
#else:
#self.exit_and_set_default()
#self.sendCurrentMode(self.modeChat, self.modeFile)
#self.statusBar.SetStatusText('请重新选择模式')
#time.sleep(2)
#self.statusBar.SetStatusText('就绪')
#time.sleep(2)
def sendCurrentMode(self, mChat, mFile):
mode = "%d%d"%(mChat, mFile)
self.tcp_socket_client.send(mode.encode())
def exit_and_set_default(self):
self.checkBoxChat.SetValue(False)
self.checkBoxFile.SetValue(False)
self.modeChat = 0
self.modeFile = 0
if __name__ == '__main__':
app = wx.App()
client = Client(None)
client.Show(True)
app.MainLoop()