scoket接收的字符串怎么在服务端打印出来？

[yakczh]

io:format("　-> recv data: ~w~n", [binary_to_list(Data)]),


结果显示　[72,69,65,68,32,47,32,72,84,84,80,47,49,46,
48,13,10,13,10,0]

换成~p也是一样