def sock_client_data():
 while True:
 try:
 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 s.connect(('192.168.20.1', 6666)) #服務(wù)器和客戶端在不同的系統(tǒng)或不同的主機(jī)下時使用的ip和端口，首先要查看服務(wù)器所在的系統(tǒng)網(wǎng)卡的ip
 # s.connect(('127.0.0.1', 6666)) #服務(wù)器和客戶端都在一個系統(tǒng)下時使用的ip和端口
 except socket.error as msg:
 print(msg)
 print(sys.exit(1))
 data = input("input data:") #輸入要傳輸?shù)臄?shù)據(jù)
 s.send(data.encode()) #將要傳輸?shù)臄?shù)據(jù)編碼發(fā)送，如果是字符數(shù)據(jù)就必須要編碼發(fā)送
 s.close()
if __name__ == '__main__':
 sock_client_data()

def socket_service_data():
 try:
 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 s.bind(('127.0.0.1', 6666)) # 在同一臺主機(jī)的ip下使用測試ip進(jìn)行通信
 # s.bind(('192.168.20.1', 6666)) #在不同主機(jī)或者同一主機(jī)的不同系統(tǒng)下使用實際ip
 s.listen(10)
 except socket.error as msg:
 print(msg)
 sys.exit(1)

 print("Wait for Connection..................")

 while True:
 sock, addr = s.accept()
 buf = sock.recv(1024) #接收數(shù)據(jù)
 buf = buf.decode() #解碼
 print("The data from " + str(addr[0]) + " is " + str(buf))
 print("Successfully")
 # return buf
 # sock.close()
if __name__ == '__main__':
 socket_service_data()