我在 MFC 工作
我想从 XML 获取所有节点,属性具有一些值但值不应为空,如果不存在属性,则不应选择节点
<node att="sss"> - should be selected
<node att="sd342ss"> - should be selected
<node att=""> - empty value should not be selected
<node > - not having attribute should not be selected
如何为此创建 XPATH?