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菜鸟问题重新xpath:
仅当提要中的值存在时如何显示 HTML?
例如 if value: {saleprice[1]} 存在于我想在它之前显示“Sale, only $”和“”在这个值之后。如果值不存在,则不应显示任何内容。
我想在 HTML 文档中显示上面。谢谢