# 調(diào)用socket的send方法發(fā)送str信息給web端
def sendMessage(msg):
global connectionlist
send_msg = b"" #使用bytes格式,避免后面拼接的時(shí)候出現(xiàn)異常
send_msg += b"\x81"
back_str = []
back_str.append('\x81')
data_length = len(msg.encode())
if data_length <= 125:
send_msg += str.encode(chr(data_length))
elif data_length <= 65535:
send_msg += struct.pack('b', 126)
send_msg += struct.pack('>h', data_length)
elif data_length <= (2^64-1):
send_msg += struct.pack('b', 127)
send_msg += struct.pack('>q', data_length)
else:
print (u'太長了')
for connection in connectionlist.values():
if send_message != None and len(send_message) > 0:
connection.send(send_message)
說明
data_length = len(msg.encode())
著重注意以上代碼，因?yàn)閙sg為字符串，考慮到字符串中可能存在中文，所以需要轉(zhuǎn)為bytes信息后再計(jì)算長度。
