怎样才能写出XPath的表述,其中选择那些没有文字子女的要素?
I have two element action and guid. guid is a required field when action is add. but when action is del it will not appear in file. How to represent this in dtd ?
怎样才能写出XPath的表述,其中选择那些没有文字子女的要素?
您可以使用:
//xmlelement[not(node())]
或
//xmlelement[not(text())]
I have two element action and guid. guid is a required field when action is add. but when action is del it will not appear in file. How to represent this in dtd ?
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