django websocket 实现后台日志在web端展示(+前端vue设置)

vue

核心代码:

@accept_websocket

def get_log(req):

if req.is_websocket():

print('收到websocket请求')

with open(settings.LOG_FILE, 'r', encoding='UTF-8') as f:

log_length = len(f.readlines())

time.sleep(1)

while True:

with open(settings.LOG_FILE, 'r', encoding='UTF-8') as f:

contents = f.readlines()

length_tmp = len(contents)

for i in range(log_length, length_tmp):

req.websocket.send(contents[i].encode('utf-8'))

log_length = length_tmp

time.sleep(1)

效果:

参考:

https://www.cnblogs.com/sui776265233/p/10176275.html#_labelTop

--------2019/07/25 补充vue采坑--------

vue端不能像原生js那么写:

原生js写法:

2020/08/19 补充:发送应该在确认连接完成后,否则会报错

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