解析.net 2中的XML结构

发布于 2024-10-14 08:46:11 字数 615 浏览 2 评论 0原文

我有以下 xml 片段，

<converters c1="XXX" c2="ZZZ">
    <converter c1="YYY" c2="ZZZ" 
               buy="0.99899070428571424" sell="0.99966215285714288" />
    <converter c1="XXX" c2="YYY" 
               buy="1.5503238471428571" sell="1.550773867142857" />
    <converter c1="XXX" c2="ZZZ" 
               buy="1.5487591119281807" sell="1.5502499426226253" />
</converters>

我试图检索具有 c1="XXX" 和 c2="ZZZ" 的转换器的“购买”属性中的数字值。

不幸的是，我不能使用 linq to XML，否则这很容易（对我来说）。所以我想我被困在使用 xpath

我创建了一个 XPathNavigator 但无法获得语法来获取我想要的值

任何人，知道如何做到这一点吗？

原文

I have the following xml fragment

<converters c1="XXX" c2="ZZZ">
    <converter c1="YYY" c2="ZZZ" 
               buy="0.99899070428571424" sell="0.99966215285714288" />
    <converter c1="XXX" c2="YYY" 
               buy="1.5503238471428571" sell="1.550773867142857" />
    <converter c1="XXX" c2="ZZZ" 
               buy="1.5487591119281807" sell="1.5502499426226253" />
</converters>

I am trying to retrieve the value of the number in the "buy" attribute for the converter that has c1="XXX" and c2="ZZZ".

I can't use linq to XML unfortunatley or this would be easy (for me). So I guess I am stuck using xpath

I've created an XPathNavigator but can't get the syntax to get the valu I want

Anyone, any idea how to do this?

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短暂陪伴 2024-10-21 08:46:11

XmlDocument doc = new XmlDocument();
                doc.LoadXml("");
                XmlNodeList list = doc.SelectNodes("converters/converter");

                foreach (XmlNode element in list)
                {
                    if (element.Attributes["c1"].Value == "XXX" /*other operations*/) 

                }

XmlDocument doc = new XmlDocument();
                doc.LoadXml("");
                XmlNodeList list = doc.SelectNodes("converters/converter");

                foreach (XmlNode element in list)
                {
                    if (element.Attributes["c1"].Value == "XXX" /*other operations*/) 

                }

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风情万种。 2024-10-21 08:46:11

如果你使用 XPathDocument 你可以这样做

foreach (XPathNavigator buy in new XPathDocument("input.xml").CreateNavigator().Select("converters/converter[@c1 = 'XXX' and @c2 = 'ZZZ']/@buy"))
{
  Console.WriteLine(buy.Value);
}

If you use XPathDocument you can do

foreach (XPathNavigator buy in new XPathDocument("input.xml").CreateNavigator().Select("converters/converter[@c1 = 'XXX' and @c2 = 'ZZZ']/@buy"))
{
  Console.WriteLine(buy.Value);
}

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