擅长:python、mysql、java
<p>这是一种方法。你知道吗</p>
<pre><code>import pandas as pd
df = pd.DataFrame([[' $- '], ['1'], ['10'], ['100'],
['10000'], ['97250400'], ['98000000'],
['99000000']], columns=['A'])
df['A'] = df['A'].apply(pd.to_numeric, errors='coerce')
df.dtypes
# A float64
# dtype: object
</code></pre>