擅长:python、mysql、java
<p>您必须向<a href="https://doc.qt.io/qt-5/qlineedit.html#inputMask-prop" rel="nofollow noreferrer">^{<cd1>}</a>传递一个空字符串,正如文档所指出的:</p>
<blockquote>
<p>If no mask is set, inputMask() returns an empty string.</p>
</blockquote>
<pre class="lang-py prettyprint-override"><code>e3.setInputMask("")
</code></pre>
<p>注意:<code>clearMask()</code>清除另一种类型的掩码:<a href="https://doc.qt.io/qt-5/qwidget.html#setMask" rel="nofollow noreferrer">https://doc.qt.io/qt-5/qwidget.html#setMask</a></p>