擅长:python、mysql、java
<p>来自<a href="http://docs.mongodb.org/manual/tutorial/install-mongodb-on-windows/#set-up-the-mongodb-environment" rel="noreferrer">doc</a>:</p>
<blockquote>
<p>MongoDB requires a data directory to store all data. MongoDB’s default
data directory path is \data\db. Create this folder using the
following commands from a Command Prompt:</p>
<p>md \data\db </p>
<p>You can specify an alternate path for data files using the
--dbpath option to mongod.exe, for example:</p>
<p>C:\mongodb\bin\mongod.exe --dbpath d:\test\mongodb\data</p>
</blockquote>
<p>问题的原因是您没有数据目录。</p>