擅长:python、mysql、java
<pre><code>def get_first_n_rows(self, file, n=1):
with open(file) as fp:
return "".join(next(fp) for _ in range(0, n))
</code></pre>
<p>或者,如果您想要一个行列表:</p>
<pre><code>def get_first_n_rows(self, file, n=1):
with open(file) as fp:
return list(next(fp) for _ in range(0, n))
</code></pre>