23 lines
843 B
Python
23 lines
843 B
Python
import logging
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from logging.handlers import RotatingFileHandler
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# 创建一个logger
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logger = logging.getLogger('my_logger')
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logger.setLevel(logging.INFO) # 可以根据需要设置为DEBUG, ERROR, WARNING等
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# 创建一个handler，用于写入日志文件
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file_handler = RotatingFileHandler('app.log', maxBytes=1024*1024*5, backupCount=5)
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file_handler.setLevel(logging.INFO)
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# 创建一个handler，用于将日志输出到控制台
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stream_handler = logging.StreamHandler()
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stream_handler.setLevel(logging.ERROR) # 只输出error级别的到控制台
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# 定义handler的输出格式
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formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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file_handler.setFormatter(formatter)
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stream_handler.setFormatter(formatter)
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# 给logger添加handler
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logger.addHandler(file_handler)
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logger.addHandler(stream_handler) |