擅长:python、mysql、java
<p>将<code>"INSERT INTO books (username , password) VALUES(:username , :password)"</code>包装在<code>text()</code>中</p>
<pre><code>text("INSERT INTO books (username , password) VALUES(:username , :password)")
</code></pre>
<p>我认为<code>:variable</code>语法要求</p>