擅长:python、mysql、java
<p>你可以通过<a href="http://doc.qt.io/qt-5/stylesheet-examples.html" rel="nofollow noreferrer">setting the object's style sheet</a>来完成:</p>
<pre><code>self.my_line_edit = QtGui.QLineEdit()
self.my_line_edit.setStyleSheet("color: red;")
# or
self.my_line_edit.setStyleSheet("color: rgb(255, 0, 0);")
# or
self.my_line_edit.setStyleSheet("""
QLabel {
color: red;
}
""")
</code></pre>