Note too that the namespace prefix mappings (xf:) in the XPath don't have to match those used in the target document (x:).

还要注意的是，XPath中的名称空间前缀映射(xf：)不一定与目标文档使用的相同(x：)。

youdao

Note too that the namespace prefix mappings (xf:) in the XPath don't have to match those used in the target document (x:).

还要注意的是，XPath中的名称空间前缀映射(xf：)不一定与目标文档使用的相同(x：)。

youdao