擅长:python、mysql、java
<p>通过逐行加载到内存中,这是读取文件最有效的方法。你知道吗</p>
<pre><code>def parse_line(line):
splitted = line.split('_')
first = splitted[0]
second = splitted[1]
date = splitted[2]
with open('test.txt', 'r') as fp:
for line in fp:
parse_line(line)
</code></pre>