c# – 使用XMLTextReader,我怎么知道我在哪个元素？

发布时间：2020-12-15 17:21:58 所属栏目：百科来源：网络整理

导读：这就是我的代码： case "Creator": br.Read(); br.MoveToContent(); // gives the content of the role tbComposer.Text = br.Value; br.Read(); br.MoveToContent(); // gives the content of the role tbConductor.Text = br.Value; br.Read(); br.MoveToC

这就是我的代码：

case "Creator":
    br.Read();
    br.MoveToContent();  // gives the content of the role
    tbComposer.Text = br.Value;
    br.Read();
    br.MoveToContent();  // gives the content of the role
    tbConductor.Text = br.Value;
    br.Read();
    br.MoveToContent();  // gives the content of the role
    tbOrchestra.Text = br.Value;
    break;

这是工作代码:(感谢大家的意见……如果没有你,就不可能做到！)Spokane-Dude

case "Creator":
                    br.MoveToFirstAttribute();
                    if (br.Value == "Composer") {
                        br.Read();
                        tbComposer.Text = br.Value;
                    }
                    if (br.Value == "Conductor") {
                        br.Read();
                        tbConductor.Text = br.Value;
                    }
                    if (br.Value == "Orchestra") {
                        br.Read();
                        tbOrchestra.Text = br.Value;
                    }
                    break;

这就是我的XML的样子：

<ItemLookupResponse>
    <OperationRequest/>
    <Items>
        <Request/>
        <Item>
            <ItemAttributes>
                <Binding>Audio CD</Binding>
                <CatalogNumberList>
                    <CatalogNumberListElement>43850</CatalogNumberListElement>
                </CatalogNumberList>
                <Creator Role="Composer">Gioachino Rossini</Creator>
                <Creator Role="Conductor">Riccardo Chailly</Creator>
                <Creator Role="Orchestra">National Philharmonic Orchestra</Creator>
            </ItemAttributes>
        </Item>
    </Items>
</ItemLookupResponse>

我需要知道我是否正在阅读元素Creator Role =“Composer”或Creator Role =“Conductor”等

那么,使用XMLTextReader,我如何确定元素文本是什么？

解决方法

这个样本怎么样？我希望它对你有用

static void Main(string[] args)
    {

        string xmlStr = "<?xml version="1.0" encoding="utf-8" ?><Creators><Creator Role="Composer">Gioachino Rossini</Creator><Creator Role="Conductor">Riccardo Chailly</Creator><Creator Role="Orchestra">National Philharmonic Orchestra</Creator></Creators>";
        using (XmlReader xmlReader = XmlTextReader.Create(new StringReader(xmlStr)))
        {
            xmlReader.MoveToContent();
            xmlReader.ReadStartElement("Creators","");
            SomeMethod("Composer",xmlReader);
            SomeMethod("Conductor",xmlReader);
            SomeMethod("Orchestra",xmlReader);
        }

        Console.WriteLine("........");
        Console.Read();
    }

    static void SomeMethod(string role,XmlReader xmlReader)
    {
        xmlReader.MoveToAttribute("Role");

        switch (role)
        {
            case "Composer":
                {
                    xmlReader.MoveToContent();
                    Console.WriteLine(string.Format("Composer:{0}",xmlReader.ReadElementContentAsString()));

                } break;
            case "Conductor":
                {
                    xmlReader.MoveToContent();
                    Console.WriteLine(string.Format("Conductor:{0}",xmlReader.ReadElementContentAsString()));

                } break;
            case "Orchestra":
                {
                    xmlReader.MoveToContent();
                    Console.WriteLine(string.Format("Orchestra:{0}",xmlReader.ReadElementContentAsString()));

                } break;

            default: break;
        }
    }

（编辑：李大同）

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