文件中的Python日志输出

import logging

logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
logging.debug('This is a debug message')
logging.info('This is an info message')
logging.warning('This is a warning message')
logging.error('This is an error message')
logging.critical('This is a critical message')

import logging

logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)

# 创建一个文件处理器，将日志输出到文件
file_handler = logging.FileHandler('app.log')
file_handler.setLevel(logging.DEBUG)

# 创建一个控制台处理器，将日志输出到控制台
console_handler = logging.StreamHandler()
console_handler.setLevel(logging.DEBUG)

# 定义日志输出格式
formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
file_handler.setFormatter(formatter)
console_handler.setFormatter(formatter)

# 将处理器添加到日志记录器
logger.addHandler(file_handler)
logger.addHandler(console_handler)

# 输出日志
logger.debug('This is a debug message')
logger.info('This is an info message')
logger.warning('This is a warning message')
logger.error('This is an error message')
logger.critical('This is a critical message')