擅长:python、mysql、java
<pre><code>from datetime import datetime, timedelta
last_week = 3
today = datetime.today()
last_saturday = today - timedelta(days=(today.day))
for week in range(last_week):
week_saturday = last_saturday - timedelta(days=7 * week)
file_saturday = week_saturday.strftime("%Y%m%d")
df = pd.read_csv(f"filename_{file_saturday}.csv", header=0)
.....
</code></pre>
<p>或设置周数</p>
<pre><code>weeks = 3
today = datetime.today()
last_saturday = today - timedelta(days=(today.day))
week_saturday = last_saturday - timedelta(days=7 * weeks)
file_saturday = week_saturday.strftime("%Y%m%d")
df = pd.read_csv(f"filename_{file_saturday}.csv", header=0)
</code></pre>