MONGO Mongoexport Export data to CSV format

Today to export some data from the database, and then use the Mongoexport, but the-Q parameter parsing JSON is always wrong, because there is a regular expression, depressed, have not resolved only, to after the filter.

Here's how it works:

-H  Arg     host
--port arg  Port-
u  arg     user name-
p  arg password-
d  Arg     database -
C  Arg set-
F  arg     field name Comma separated-
q  arg     query conditional JSON format
--csv       Export CSV format  -o     -arg exported file name

Most commonly used formats:

Mongoexport-u dotcoo-p 123456-d dotcoo-c user-q {gender:2}-F username,nickname--csv-o Girl.csv