django websocket 实现后台日志在web端展示(+前端vue设置)
核心代码:
@accept_websocketdef 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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