1、服务器
import socket
def send_file_2_client(new_client_socket, client_addr):
# 1 接收客户端,需要下载的文件名
# 接收客户端发送来的请求
file_name = new_client_socket.recv(1024).decode("utf-8")
print("%s 下载文件是:%s" % (str(client_addr), file_name))
file_content = None
# 2 打开文件,读取数据
try:
f = open(file_name, "rb")
file_content = f.read()
f.close()
except Exception as ret:
print("Wrong %s" % file_name)
# 3 发送文件的数据给客户端
if file_content:
new_client_socket.send(file_content)
def server():
# 创建socket
tcp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 绑定本地信息
tcp_socket.bind("", 7890)
# 默认套接字由主动变为被动
tcp_socket.listen(128)
while True:
# 等待客户端连接
new_client_socket, client_addr = tcp_socket.accept()
send_file_2_client(new_client_socket, client_addr)
new_client_socket.close()
tcp_socket.close()
if __name__ == '__main__':
server()
2、客户端
import socket
def client():
# 1 创建套接字
tcp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 2 获取束缚器的ip port
dest_ip = input("服务器ip:")
dest_port = int(input("服务器port:"))
# 3 链接服务器
tcp_socket.connect(dest_ip, dest_port)
# 4 获取下载的文件名字
download_file_name = input("下载文件名")
# 5 将文件名发送到服务器
tcp_socket.send(download_file_name.encode("utf-8"))
# 6 接收文件中的数据
recv_data = tcp_socket.recv(1024)
if recv_data:
# 7 保存接收的数据到文件中
with open("[new]" + download_file_name, "wb") as f:
f.write(recv_data)
# 8 关闭套接字
tcp_socket.close()
if __name__ == '__main__':
client()