擅长:python、mysql、java
<p>为什么不在你回来之前打印呢?你知道吗</p>
<pre><code>def add(a, b):
print(f"{a} is being added...")
print(f"{b} is being added..")
return a + b
c = add(1, 2)
print(c)
</code></pre>
<blockquote>
<pre><code>(xenial)vash@localhost:~/python/stack_overflow$ python3.7 strings.py
1 is being added...
2 is being added..
3
</code></pre>
</blockquote>
<p>建议:</p>
<pre><code>print(f'{pdata} "Your file will be ready for download..."')
print(f'{pdata} "it will just atake a moment..."')
filename = request.form.get('filename')
filepath = '/home/nikos/wsgi/static/files/'
return send_from_directory( filepath, filename )
</code></pre>
<p>旧版Python:</p>
<pre><code>print(f'{} "Your file will be ready for download..."'.format(pdata))
print(f'{} "it will just atake a moment..."'.format(pdata))
filename = request.form.get('filename')
filepath = '/home/nikos/wsgi/static/files/'
return send_from_directory( filepath, filename )
</code></pre>