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python将MongoDB里的ObjectId转换为时间戳的方法

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Release： 2016-06-10 15:17:21
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本文实例讲述了python将MongoDB里的ObjectId转换为时间戳的方法。分享给大家供大家参考。具体分析如下：

MongoDB里的_id字段前四位是时间戳的16进制表示，通过Python可以很容易从_id中提取出时间戳来

def timestamp_from_objectid(objectid):
 result = 0
 try:
  result = time.mktime(objectid.generation_time.timetuple())
 except:
  pass
 return result
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调用方法:

print(timestamp_from_objectid(ObjectId('5217a543dd99a6d9e0f74702')))
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返回：1377252547.0

PS：这里再为大家推荐一个本站Unix时间戳转换工具，附带了各种语言（Python/PHP/java/MySQL等）Unix时间戳的操作方法：

Unix时间戳(timestamp)转换工具：http://tools.jb51.net/code/unixtime

希望本文所述对大家的Python程序设计有所帮助。

Related labels：
mongodb python method Timestamp Convert
source：php.cn
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