擅长:python、mysql、java
<p>好像是已知问题,请检查:</p>
<p><a href="http://qt.nokia.com/developer/task-tracker/index_html?method=entry&id=108755" rel="nofollow noreferrer">108755 - Qt::ItemIsTristate fails to set checkboxs within a model view to being Tristate</a></p>