| 返回: | The timestamp portion of the ObjectId() object as a Date. |
|---|
In the following example, call the getTimestamp() method on an ObjectId (e.g. ObjectId("507c7f79bcf86cd7994f6c0e")), as follows:
ObjectId("507c7f79bcf86cd7994f6c0e").getTimestamp()
This will return the following output:
ISODate("2012-10-15T21:26:17Z")