lay: none; height: 46px;"></div></div></div></pre></li><li><p><span>查询特有表：</span></p><ul><li><p><code>?id=1 and (select count(*) from Pg_database)&gt;0 and 1=1</code></p></li><li><p><code>?id=1 and (select count(*) from information_schema.TABLES)&gt;0 and 1=1</code><span>（继承自Mysql）</span></p></li></ul></li><li><p><span>补充：</span></p><ul><li><p><span>注释符：--；/</span></p></li><li><p><span>查询函数：version()；user；current_database()</span></p></li><li><p><span>获�