判断节点为空
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XML中如何判断节点是否为空_XML判断节点是否为空的技巧与步骤
判断XML空节点需明确标准：无文本、无子节点、无属性；2. 可用DOM解析（如JavaScript）检查textContent.trim()和children.length；3. 或用XPath表达式如node[not() and not(@) and not(string(.))]筛选空节点；4.…
判断XML空节点需明确标准：无文本、无子节点、无属性；2. 可用DOM解析（如JavaScript）检查textContent.trim()和children.length；3. 或用XPath表达式如node[not() and not(@) and not(string(.))]筛选空节点；4.…
