擅长:python、mysql、java
<p>使用字符串缓冲区:</p>
<pre><code>import io
def getLine(data, line_no):
buffer = io.StringIO(data)
for i in range(line_no - 1):
try:
next(buffer)
except StopIteration:
return '' #Reached EOF
try:
return next(buffer)
except StopIteration:
return '' #Reached EOF
</code></pre>