服务端代码
import socket# 创建tcp服务套接字def main(): tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) tcp_server_socket_for_file_name = socket.socket(socket.AF_INET, socket.SOCK_STREAM) print("1.套接字创建完毕...") # 绑定端口号 tcp_server_socket.bind(("",40000)) tcp_server_socket_for_file_name.bind(("",50000)) print("2.端口绑定完毕") # 转为被动模式 tcp_server_socket.listen(128) tcp_server_socket_for_file_name.listen(128) print("3.被动模式转换完毕") # 接收到新的连接则创建服务套接字 client_socket, client_addr = tcp_server_socket.accept() client_socket_for_file_name, client_addr_for_file_name = tcp_server_socket_for_file_name.accept() print("4.拆包完毕....") file_name = client_socket_for_file_name.recv(1024) print("接收到的file_name为:%s"%file_name) file_name = file_name.decode("utf-8") f = open(file_name,"wb+") while True: content = client_socket.recv(50) if (content): print("准备写入",content) f.write(content) print("已经写入",content) else: f.close() break print("执行完成")if __name__ == "__main__": main()复制代码 ##客户端代码
import socketimport osg_the_dir_list = list()# 显示目录def display_dir(): print("当前目录为:") for i, the_dir in enumerate(g_the_dir_list): print(i, the_dir)def main(): global g_the_dir_list # 读取当前目录下文件列表 g_the_dir_list = os.listdir(os.getcwd()) # 创建客户端socket client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 创建第二个socket(负责发送文件名) client_socket_for_file_name = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 建立连接 server_ip = input("请输入服务端ip(占用端口40000与50000)") client_socket.connect((server_ip, 40000)) client_socket_for_file_name.connect((server_ip, 50000)) # 显示当前目录下文件列表 display_dir() file_index = int(input("请输入需要传送的文件序号:")) # 打开文件并通过socket.send发送 client_socket_for_file_name.send(g_the_dir_list[file_index].encode("utf-8")) f = open(g_the_dir_list[file_index], "rb") while True: content = f.read(1024) if (content): client_socket.send(content) else: print("发送完毕！") f.close() breakif __name__ == "__main__": main()复制代码