用来获取所有币的价格，使用的库websocket-client
import websocket
try:
import thread
except ImportError:
import _thread as thread
import time
def on_message(ws, message):
print(message)
def on_error(ws, error):
print(error)
def on_close(ws):
print("### closed ###")
websocket.enableTrace(True)
ws = websocket.WebSocketApp("wss://stream.binance.com:9443/ws/!ticker@arr",
on_message = on_message,
on_error = on_error,
on_close = on_close)
ws.run_forever(sslopt={"check_hostname": False})
