<p>您可以使用<code>pd.read_html()</code>函数进行以下操作:</p>
<pre><code>url = 'https://patents.google.com/patent/US4458945?oq=US4458945A'
tables = pd.read_html(url, match='Publication number') #select table with match string
print(len(tables))
7 #It found 7 tables
</code></pre>
<p>您可以显示以下表格:</p>
<pre><code>display(tables[0])
#OR
for i in tables :
display(i)
</code></pre>
<p>结果集中的一个示例表:</p>
<pre><code> Publication number Priority date Publication date Assignee Title
0 US1722679A (en) * 1927-05-11 1929-07-30 Standard Oil Dev Co Pressure method of working oil sands
1 US1884859A (en) * 1930-02-12 1932-10-25 Standard Oil Dev Co Method of and apparatus for installing mine wells
2 US2193219A (en) * 1938-01-04 1940-03-12 Bowie Drilling wells through heaving or sloughing fo...
3 US2989294A (en) * 1956-05-10 1961-06-20 Alfred M Coker Method and apparatus for developing oil fields...
4 US4165903A (en) * 1978-02-06 1979-08-28 Cobbs James H Mine enhanced hydrocarbon recovery technique
</code></pre>
<p>注意:您可以更具体地使用<code>match</code>参数来查找所需的内容。如果您不添加匹配参数,它将从页面中带出所有表</p>
<p>表2和表3的结果:</p>
<pre><code>try:
tables = pd.read_html('page.html', match='Publication number')
result_df = pd.concat([tables[2],tables[3]],axis=0, ignore_index=True)
display(result_df)
except:
print('No tables Found')
Publication number Priority date Publication date Assignee Title
0 US1722679A (en) * 1927-05-11 1929-07-30 Standard Oil Dev Co Pressure method of working oil sands
1 US1884859A (en) * 1930-02-12 1932-10-25 Standard Oil Dev Co Method of and apparatus for installing mine wells
2 US2193219A (en) * 1938-01-04 1940-03-12 Bowie Drilling wells through heaving or sloughing fo...
3 US2989294A (en) * 1956-05-10 1961-06-20 Alfred M Coker Method and apparatus for developing oil fields...
4 US4165903A (en) * 1978-02-06 1979-08-28 Cobbs James H Mine enhanced hydrocarbon recovery technique
5 US1884858A (en) * 1929-03-22 1932-10-25 Standard Oil Dev Co Apparatus for simultaneously controlling oil m...
6 US1852717A (en) * 1930-09-08 1932-04-05 Union Oil Co Gas lift appliance for oil wells
7 US1910762A (en) * 1932-03-08 1933-05-23 Union Oil Co Gas lift apparatus
8 US2148327A (en) * 1937-12-14 1939-02-21 Gray Tool Co Oil well completion apparatus
9 US3207221A (en) * 1963-03-21 1965-09-21 Brown Oil Tools Automatic blow-out preventor means
10 US3227229A (en) * 1963-08-28 1966-01-04 Richfield Oil Corp Bit guide
11 US3613806A (en) * 1970-03-27 1971-10-19 Shell Oil Co Drilling mud system
12 US3884261A (en) * 1973-11-26 1975-05-20 Frank Clynch Remotely activated valve
13 US4046191A (en) * 1975-07-07 1977-09-06 Exxon Production Research Company Subsea hydraulic choke
14 US4106562A (en) * 1977-05-16 1978-08-15 Union Oil Company Of California Wellhead apparatus
15 US4224988A (en) * 1978-07-03 1980-09-30 A. C. Co. Device for and method of sensing conditions in...
</code></pre>