擅长:python、mysql、java
<p>每次使用<code>sys.stdout.write()</code>和<code>\r</code>在前一行上打印一个带有百分比和进度条的新字符串</p>
<pre class="lang-py prettyprint-override"><code>import time
import sys
for x in range(21):
sys.stdout.write("\r{:>3}%\u2502{:<20}\u2502".format(x * 5, "\u2588" * x))
time.sleep(.05)
</code></pre>