擅长:python、mysql、java
<p>可以使用<code>calendar</code>:</p>
<pre><code>import calendar
year = 2021
for month in range(1, 13):
r = calendar.monthrange(year, month)
start = f"{year}-{month:0>2d}-01"
end = f"{year}-{month:0>2d}-{r[1]}"
filename = f'data-{year}-{month:0>2d}.json'
url = f"apilink/getKwh?token={token}&clientId={clientId}&siteId={siteId}&from={start}&to={end}"
...
</code></pre>