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Python日志格式输出与时间格式

作者:厦工楚胜(湖北)专用汽车制造有限公司 来源:www.szzq168.com 发布时间:2017-09-05 12:17:20
 

Python日志格式输出与时间格式 formatter = logging.Formatter("%(asctime)s %(levelname)s %(message)s","%Y%b%d-%H:%M:%S")


上面的%Y等是时间格式,所以要想理解上面要表示个什么,先来看一下Python的时间格式。


  • %a - abbreviated weekday name
  • %A - full weekday name
  • %b - abbreviated month name
  • %B - full month name
  • %c - preferred date and time representation
  • %C - century number (the year divided by 100, range 00 to 99)
  • %d - day of the month (01 to 31)
  • %D - same as %m/%d/%y
  • %e - day of the month (1 to 31)
  • %g - like %G, but without the century
  • %G - 4-digit year corresponding to the ISO week number (see %V).
  • %h - same as %b
  • %H - hour, using a 24-hour clock (00 to 23)
  • %I - hour, using a 12-hour clock (01 to 12)
  • %j - day of the year (001 to 366)
  • %m - month (01 to 12)
  • %M - minute
  • %n - newline character
  • %p - either am or pm according to the given time value
  • %r - time in a.m. and p.m. notation
  • %R - time in 24 hour notation
  • %S - second
  • %t - tab character
  • %T - current time, equal to %H:%M:%S
  • %u - weekday as a number (1 to 7), Monday=1. Warning: In Sun Solaris Sunday=1
  • %U - week number of the current year, starting with the first Sunday as the first day of the first week
  • %V - The ISO 8601 week number of the current year (01 to 53), where week 1 is the first week that has at least 4 days in the current year, and with Monday as the first day of the week
  • %W - week number of the current year, starting with the first Monday as the first day of the first week
  • %w - day of the week as a decimal, Sunday=0
  • %x - preferred date representation without the time
  • %X - preferred time representation without the date
  • %y - year without a century (range 00 to 99)
  • %Y - year including the century
  • %Z or %z - time zone or name or abbreviation
  • %% - a literal % character
    我们的例子是以 年月日-时:分:秒 的形式显示日期的。
    除此之外,还要理解%(asctime)s等格式符所代表的意义,%(asctime)s表示这个位置上是字符串形式的当前时间;%(levelname)s,如果是logger.debug则它是DEBUG,如果是logger.error则它是ERROR;%(message)s,假如有logger.warning("HAHA"),则在%(message)s位置上是字符串HAHA。更详细的格式符如下:

    %(name)s

    Logger的名字

    %(levelno)s

    数字形式的日志级别

    %(levelname)s

    文本形式的日志级别

    %(pathname)s

    调用日志输出函数的模块的完整路径名,可能没有

    %(filename)s

    调用日志输出函数的模块的文件名

    %(module)s

    调用日志输出函数的模块名

    %(funcName)s

    调用日志输出函数的函数名

    %(lineno)d

    调用日志输出函数的语句所在的代码行

    %(created)f

    当前时间,用UNIX标准的表示时间的浮 点数表示

    %(relativeCreated)d

    输出日志信息时的,自Logger创建以 来的毫秒数

    %(asctime)s

    字符串形式的当前时间。默认格式是 “2003-07-08 16:49:45,896”。逗号后面的是毫秒

    %(thread)d

    线程ID。可能没有

    %(threadName)s

    线程名。可能没有

    %(process)d

    进程ID。可能没有

    %(message)s

    用户输出的消息






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