我的 xml 看起来像
<details>
<addr>
<streetAddressLine>90822 abc lane</streetAddressLine>
<streetAddressLine>apt b</streetAddressLine>
<!-- streetAddressLine element is repeatable -->
<state>xyz</state>
</addr>
</details>
我正在寻找 xpath 表达式,它可以给我 string-length(streetAddressLine[0]) + string-length (streetAddressLine[1]) + ..... + string-length(streetAddressLine[n]) 的长度