擅长:python、mysql、java
<p>检查值是否为十进制有效输入的正确方法是:</p>
<pre><code>from decimal import Decimal, DecimalException
try:
Decimal(input_value)
except DecimalException:
pass
</code></pre>
<p><a href="https://docs.python.org/2/library/decimal.html#decimal.DecimalException" rel="nofollow noreferrer">https://docs.python.org/2/library/decimal.html#decimal.DecimalException</a></p>