��所有数据库：select datname from pg_database</span></p></li></ul></li></ol></li></ul><p></br></p><ul><li><p><strong><span>测试Payload（以字符型注入为例）</span></strong></p><pre class="md-fences md-end-block ty-contain-cm modeLoaded" spellcheck="false" lang="python" style="break-inside: unset;"><div class="CodeMirror cm-s-inner cm-s-null-scroll CodeMirror-wrap" lang="python"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 9.51562px; left: 8px;"><textarea au