擅长:python、mysql、java
<p>您只需尝试<code>numpy.savetxt()</code>,示例代码如下:</p>
<pre class="lang-py prettyprint-override"><code>import numpy as np
data = np.array([[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12]]).astype(int)
np.savetxt('test.csv', data, fmt='%d', delimiter=' ')
</code></pre>
<p>.csv文件如下:</p>
<pre><code>1 2 3 4
5 6 7 8
9 10 11 12
</code></pre>