01-tcp-client.py
import socket
def main():
# 1\建立tcp套接字
tcp_client_socket = socket.socket(socket.af_inet,socket.sock_stream)
# 2\鏈結伺服器
serve_ip = input("inpurt serve dest ip:")
serve_port = int(input("input serve dest port:"))
tcp_client_socket.connect((serve_ip,serve_port ))# 只要鏈結成功就可以傳送了
# 3\傳送資料
send_data = input("data:")
tcp_client_socket.send(send_data.encode("utf-8"))
# 4\關閉套接字
tcp_client_socket.close()
if __name__ == "__main__":
main()
import socket
def main():
# 1\建立套接字
tcp_server_socket = socket.socket(socket.af_inet,socket.sock_stream)
# 2\繫結ip和埠
tcp_server_socket.bind(("",8899))
# 3\監聽套接字
tcp_server_socket.listen(128)
print("-------------1------------------")
# 等待客戶端鏈結，acept
new_client_socket,client_addr = tcp_server_socket.accept()#預設堵塞，知道有新的陶傑子接受他
print("-------------2------------------")
print(client_addr)
# 接受客戶端傳送的請求
recv_data = new_client_socket.recv(1024)#預設堵塞 注意這裡返回的僅僅是資料，和udp通訊的recvfrom不一樣，那個返回元組
print(recv_data.decode("utf-8"))
# 答覆
new_client_socket.send("收到.".encode("utf-8"))
# 關閉陶傑子
new_client_socket.close()
tcp_server_socket.close()
if __name__=="__main__":
main()
import socket
def main():
# 1\建立套接字
tcp_socket = socket.socket(socket.af_inet,socket.sock_stream)
# 2\獲取伺服器的ip，port
# 3\鏈結伺服器
tcp_socket.connect((dest_ip,dest_port))
# 5\將檔案名字傳送給伺服器
tcp_socket.send(download_file_name.encode("utf-8"))
# 6\接受檔案中的資料
recv_data = tcp_socket.recv(1024*1024)# 1024是1k 1024*1024就是1m，1024*1024*1024=1g
if recv_data:
# 7\儲存接受到的資料到乙個檔案中
with open("[新]"+download_file_name,"wb") as file:#寫入二進位制的方式開啟
file.write(recv_data)
# 8\關閉套接字
tcp_socket.close()
if __name__=="__main__":
main()
import socket
def send_file_2_client(new_client_socket,client_addr):
file_name = new_client_socket.recv(1024)
file_content = none
# 2\開啟這個檔案，讀取資料
try:
f = open(file_name,"rb")
file_content = f.read()
f.close()
except exception as ret:
if(file_content):
# 3\傳送檔案的資料給客戶端
new_client_socket.send(file_content)
def main():
# 1\建立套接字
tcp_server_socket = socket.socket(socket.af_inet,socket.sock_stream)
# 2\繫結ip和埠
tcp_server_socket.bind(("",8800))
# 3\監聽套接字
tcp_server_socket.listen(128)
# 繼續為該客戶服務
while true:
# 4\等待客戶端鏈結，acept
new_client_socket,client_addr = tcp_server_socket.accept()#預設堵塞，知道有新的陶傑子接受他
# 5\傳送資料
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