python发送文件

 

 样例1 简单测试

发送端

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import socket import os import time filename = input('please enter the filename you want to send:\n') filesize = str(os.path.getsize(filename)) fname1, fname2 = os.path.split(filename) client_addr = ('127.0.0.1',9999) f = open(filename,'rb') count = 0 flag = 1 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) #建立连接: s.connect(('127.0.0.1', 9999)) while True:     if count == 0:         s.send(filesize.encode())         start = time.time()         s.recv(1024)         s.send(fname2.encode())     for line in f:         s.send(line)         print('sending...')     s.send(b'end')     break   s.close end = time.time() print('cost' + str(round(end - start, 2)) + 's')

　　

 

接收端

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import socket import time   s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) s.bind(('127.0.0.1',9999)) s.listen(5) print('Waiting for connection...') count=0 while True:     sock,addr = s.accept()     print('Accept new connection from %s:%s...' % addr)     if count == 0:         data1 = sock.recv(1024)         print(str(data1))         file_total_size = int(data1.decode())         received_size = 0         sock.send('received'.encode())         data = sock.recv(1024)         filepath = str(data.decode())         f = open(filepath, 'wb')     while received_size < file_total_size:         data = sock.recv(1024)         f.write(data)         received_size += len(data)         print('已接收 ',received_size,' Byte')     data = sock.recv(1024)     if data == b'end':         break           f.close() s.close()

　　

发送端输入

send/测试文档.docx

 

接收端保存在

 

样例2 封装

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import socket import time           def socketInt():             s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)     s.bind(('127.0.0.1',9999))     s.listen(5)     print('Waiting for connection...')     return s   def socketRec(sockSever,savePath):     s=sockSever     sock,addr = s.accept()     print('Accept new connection from %s:%s...' % addr)           data1 = sock.recv(1024)     print(str(data1))     file_total_size = int(data1.decode())     received_size = 0     sock.send('received'.encode())     data = sock.recv(1024)     filepath = str(data.decode())     filepath=savePath+filepath     f = open(filepath, 'wb')     while received_size < file_total_size:         data = sock.recv(1024)         f.write(data)         received_size += len(data)         print('已接收 ',received_size,' Byte')     data = sock.recv(1024)     if data == b'end':               print("接受文件",filepath)                  #f.close()         #break     f.close()             if __name__ == "__main__":          savePath="rec/" # 前面不可以加/     sockSever=socketInt()     while True:         socketRec(sockSever,savePath)       sockSever.close()

　　

发送端

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import socket import os import time       def SendFile(filename):       #filename = input('please enter the filename you want to send:\n')     filesize = str(os.path.getsize(filename))     fname1, fname2 = os.path.split(filename)       f = open(filename,'rb')     count = 0     flag = 1     s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)     #建立连接:     s.connect(('127.0.0.1', 9999))     while True:         if count == 0:             s.send(filesize.encode())             start = time.time()             s.recv(1024)             s.send(fname2.encode())         for line in f:             s.send(line)             print('sending...')         s.send(b'end')         break       s.close     end = time.time()     print('cost' + str(round(end - start, 2)) + 's')   if __name__ == "__main__":              while True:         filename = input('please enter the filename you want to send:\n')         SendFile(filename)