擅长:python、mysql、java
<p><a href="https://github.com/pandas-dev/pandas/pull/18591" rel="nofollow noreferrer">Since two years back</a><code>pandas</code>(<a href="https://pandas.pydata.org/pandas-docs/version/0.23.0/whatsnew.html#v0-23-0" rel="nofollow noreferrer">>= v0.23.0</a>)提供一个<code>index</code>参数(仅对<code>orient='split'</code>和<code>orient='table'</code>有效):</p>
<pre><code>df = pd.DataFrame([[1, 2], [3, 4]], ['x', 'y'], ['a', 'b'])
df.to_json(orient='split', index=True)
# '{"columns":["a","b"],"index":["x","y"],"data":[[1,2],[3,4]]}'
df.to_json(orient='split', index=False)
# '{"columns":["a","b"],"data":[[1,2],[3,4]]}'
</code></pre>
<p><a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.to_json.html" rel="nofollow noreferrer">https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.to_json.html</a></p>