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python socket文件通信練習

客戶端發送文件,服務端接受。先上代碼:

服務端:

#coding=utf-8

import socket
import threading
import time
import struct
def server_accept(newsock, address):
    FILEINFO_SIZE = struct.calcsize('128s1I')
    while 1:     
        try:
            fhead = newsock.recv(FILEINFO_SIZE)
            filename, filesize = struct.unpack('128s1I', fhead)
            filename=filename.strip('\00')
            filename=filename.decode('utf-8')
            print 'file name is :'+filename
            filename =u'recv_files/recv_'+filename
            fp = open(filename,'wb')
            restsize = filesize
            print "recving..."
            while 1:
                if restsize > 1024:#如果剩餘數據包大於1024,就去1024的數據包
                    filedata = newsock.recv(1024)
                else:
                    filedata = newsock.recv(restsize)
                    fp.write(filedata)
                    break
                if not filedata:
                    break
                fp.write(filedata)
                restsize = restsize - len(filedata)#計算剩餘數據包大小
                if restsize <= 0:
                    break
            fp.close()
            print "recv succeeded !"
        except:
            print "the socket partner maybe closed...waitting for annother..."
            newsock.close()
            break

sock=socket.socket(socket.AF_INET, socket.SOCK_STREAM)#創建tcp連接
sock.bind(('115.156.249.32',9111))#定於端口和ip
print "server is start,bind 115.156.249.32:9111"
sock.listen(100)#監聽
while True:
    try:
        newsock, address = sock.accept()
    except:
        print("server socket is down!")
        break

    print "connection to "+str(address)+" succeeded!"

    tmpThread = threading.Thread(target=server_accept,args=(newsock,address)) #如果接收到文件,創建線程
    tmpThread.start()#執行線程
print 'server is end'
客戶端:

#coding=utf-8

import socket
import struct
import os

def client_upload(filename,ip,port):
    sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    sock.settimeout(5)
    e=0
    try:
        sock.connect((ip,port))   
    except sock.settimeout,e:
        return '連接超時'
    except e:
        return '連接錯誤'
        
    FILEINFO_SIZE = struct.calcsize('128s1I')
    fpath,fname=os.path.split(filename)
    fhead = struct.pack('128s1I',str(fname),os.stat(filename).st_size)
    sock.send(fhead)
    fp = open(filename,'rb')
    while 1:
        data=fp.read(1024)
        if not data:
            break
        sock.send(data)
    print "sending over..."
    fp.close()
    sock.close()
    return False
        
wxPython圖形界麵:
#coding=utf-8
import wx
import time
import os
import re
import client

class myFrame(wx.Frame):
    def __init__(self,parent=None,
                 id=-1,pos=wx.DefaultPosition,
                 title='socket網絡文件傳輸客戶端'):
        size=(500,400)
        self.filename=''
        wx.Frame.__init__(self,parent,id,title,pos,size,
                          wx.DEFAULT_FRAME_STYLE^(wx.RESIZE_BORDER|wx.MAXIMIZE_BOX))
        self.Center()
        
        self.panel=wx.Panel(self)
        input_ipinfo=wx.StaticText(self.panel,-1,"輸入服務器IP",(10,10))
        self.input_ip=wx.TextCtrl(self.panel,-1,"127.0.0.1",pos=(100,10),size=(200,-1))
        input_portinfo=wx.StaticText(self.panel,-1,"輸入端口號",(320,10))
        self.input_port=wx.TextCtrl(self.panel,-1,"9111",pos=(400,10),size=(60,-1))
        btn_exit=wx.Button(self.panel,label="退出",pos=(300,60),size=(50,30))
        btn_open=wx.Button(self.panel,label="選擇文件",pos=(100,60),size=(50,30))
        btn_upload=wx.Button(self.panel,label="上傳文件",pos=(200,60),size=(50,30))
        btn_help=wx.Button(self.panel,label="幫助",pos=(400,60),size=(50,30))
        self.text_info=wx.StaticText(self.panel,-1,"請上傳文件...",(10,90))
        
        self.Bind(wx.EVT_BUTTON,self.OnExitBtn,btn_exit)
        self.Bind(wx.EVT_BUTTON,self.OnOpenBtn,btn_open)
        self.Bind(wx.EVT_BUTTON,self.OnUploadBtn,btn_upload)
        self.Bind(wx.EVT_BUTTON,self.OnHelpBtn,btn_help)

        
    def OnOpenBtn(self,event):
        #創建標準文件對話框
        dialog = wx.FileDialog(self,"Open file...",os.getcwd(),style=wx.OPEN,wildcard="*.*")
        if dialog.ShowModal() == wx.ID_OK:
            self.filename = dialog.GetPath()
            if self.filename:
                self.ShowFile()
                self.text_info.SetLabelText(self.filename)
        #銷毀對話框,釋放資源.
        dialog.Destroy()
    
    def ShowFile(self):
        
        try:
            fd=open(self.filename,'r')
            fpath,ftype=os.path.splitext(self.filename)
            if ftype=='.jpg' or ftype == '.bmp' or ftype==".png":
                image1=wx.Image(self.filename,wx.BITMAP_TYPE_ANY)
 
                if image1.Height > 280:
                    image1.Rescale(image1.Width*300/image1.Height,280)   
                    #if image1.Width>480: 
                        #image1.Rescale(480,280)       
                tmp=image1.ConvertToBitmap()          
                self.content=wx.StaticBitmap(self.panel,id=-1,bitmap=tmp,pos=(10,120),size=(480,280))
            else:
                line=fd.read()
                self.content=wx.StaticText(self.panel,-1,line,(10,120),(400,280))
        except:
            self.content=wx.StaticText(self.panel,-1,'該文件不支持預覽,請直接上傳',(10,120),(400,280))
            fd.close()
    def OnUploadBtn(self,evnet):
        #驗證ip地址
        dlg = wx.MessageDialog(None, 'ip 或端口不合法','提示', wx.CANCEL)  
        dlgfile=wx.MessageDialog(None, '請先選擇文件!','提示', wx.CANCEL)
        if not self.filename:
            dlgfile.ShowModal()
            return 
        ip=self.input_ip.GetValue()
        port=self.input_port.GetValue()
        ipgroup=ip.strip().split('.')
        if len(ipgroup) !=4:
            dlg.ShowModal() 
            return
        for x in range(4):
            try:
                temp=int(ipgroup[x])
                port=int(port)
            except:
                dlg.ShowModal()
                return
            if temp>255 or temp<0 or port<1024 or port>65536:
                dlg.ShowModal()
                return
        upconnect=client.client_upload(self.filename,str(ip),port)
        if upconnect:
            dlgerr=wx.MessageDialog(None, upconnect,'提示', wx.CANCEL)
            dlgerr.ShowModal()
        
    def OnExitBtn(self,event):
        self.Close(True)
        
    def OnHelpBtn(self,event):
        dlgerr=wx.MessageDialog(None, '如果你連不是,不是程序問題,是服務端沒開!','提示', wx.CANCEL)
        dlgerr.ShowModal()
        
class App(wx.App):
    def OnInit(self):
        
        image=wx.Image('author.png',wx.BITMAP_TYPE_PNG)
        bmp=image.ConvertToBitmap()
        wx.SplashScreen(bmp, wx.SPLASH_CENTRE_ON_SCREEN | wx.SPLASH_TIMEOUT,1000, None, -1)
        wx.Yield()
        time.sleep(1)
        
        self.frame=myFrame()
        self.frame.Show()
        self.SetTopWindow(self.frame)
        return True
 
def main():
    app=App()
    app.MainLoop()    

main()
    
        




最後更新:2017-04-03 12:55:38

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