A log file configuration
logging.basicConfig(level=logging.INFO,
format='%(asctime)s %(filename)s [line:%(lineno)d] %(levelname)s %(message)s',
datefmt='%a, %d %b %Y %H:%M:%S',
filename=None, # './log/{}.log'.format(datetime.now().day), #不指定文件，会在窗口显示
filemode='w',
force=True)
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level=logging.INFO: This sets the minimum logging level to INFO , which means only INFO level and above logs will be logged.
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format='%(asctime)s %(filename)s [line:%(lineno)d] %(levelname)s %(message)s': This is the format string for the log. It contains the following information:
%(asctime)s: A string representation of the recording time.%(filename)s: The source filename from which the logging call was made.[line:%(lineno)d]: Record the source file line number where the logging call was made.%(levelname)s: Log level (eg, INFO, WARNING, ERROR, etc.).%(message)s: The actual log message.
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datefmt='%a, %d %b %Y %H:%M:%S': This is the format string of the recorded time, which is used to specify the display format of the time.
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filename=None: This specifies the filename for logging. If yes None, the log will be output to the console.
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filemode='w': This specifies the file mode, 'w'which means write mode, and each log output will overwrite the previous content.
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force=True: This forces a log configuration change . If there are other log configurations before, this setting will override the previous configuration.