树莓派采用socket方式文件传输（python）

import socketimport osimport hashlibclient = socket.socket() # 生成socket，连接serverip_port =("192.168.137.210",12346) # server地址和端口号（最好是10000以后）client.connect(ip_port) # 连接print("服务器已连接")while True: content = input(">>")if len(content)==0: continue # 如果传入空字符会阻塞if content.startswith("get"): client.send(content.encode("utf-8")) # 传送和接收都是bytes类型 # 1.先接收长度，建议8192server_response = client.recv(1024)file_size = int(server_response.decode("utf-8")) print("接收到的大小：",file_size)# 2.接收文件内容client.send("准备好接收".encode("utf-8")) # 确认接收filename = "new" + content.split(" ")[1]f = open(filename, "wb") received_size = 0m = hashlib.md5() while received_size < file_size:   size = 0 # 准确接收数据大小，解决粘包  if file_size - received_size >1024: # 多次接收   size = 1024  else: # 最后一次接收完毕   size = file_size - received_size  data = client.recv(size) # 多次接收内容，接收大数据  data_len = len(data)  received_size += data_len  print("已接收：", int(received_size/file_size*100), "%"）  m.update(data)  f.write(data)  f.close() print("实际接收的大小:", received_size) # 解码# 3.md5值校验md5_sever = client.recv(1024).decode("utf-8")  md5_client = m.hexdigest()   print("服务器发来的md5:",md5_sever)  print("接收文件的md5:",md5_client) if md5_sever == md5_client:  print("MD5值校验成功") else:  print("MD5值校验失败")client.close()

import socketimport osimport hashlibserver = socket.socket()server.bind(("192.168.137.96", 12346)) # 地址与端口server.listen(5) print("等待连接..")while True:conn, addr =server.accept() # 等待连接 print("conn:", conn, "/naddr:", addr) # conn连接实例while True: data =conn.recv(1024) # 接收 if not data: # 客户端已断开  print("客户端断开连接")   break print("收到的命令：", data.decode("utf-8")) cmd, filename = data.decode("utf-8").split(" ") if cmd=="get":  if os.path.isfile(filename): # 判断文件存在     size = os.stat(filename).st_size #获取文件大小conn.send(str(size).encode("utf-8")) # 发送数据长度    print("发送的大小：", size)       conn.recv(1024) # 接收确认   m = hashlib.md5()    f = open(filename, "rbname") for line in f:conn.send(line) # 发送数据     m.update(line)    f.close()     md5 = m.hexdigest()   conn.send(md5.encode("utf-8"))    print("md5:", md5)server.close()

python client.pypython server.py