C# 对XML操作入门实例

C# 对XML操作入门实例

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1、C#对XML操作入门实例已知有一个XML文件(bookstore.xml)如下:复制代码代码如下:Oberon'sLegacyCorets,Eva5.951、往节点中插入一个节点:复制代码代码如下:XmlDocumentxmlDoc

2、=newXmlDocument();xmlDoc.Load("bookstore.xml");XmlNoderoot=xmlDoc.SelectSingleNode("bookstore");//查找XmlElementxe1=xmlDoc.createElement_x("book");//创建一个节点xe1.SetAttribute("genre","李赞红");//设置该节点genre属性xe1.SetAttribute("ISBN","2-3631-4");//设置该节点ISBN属性XmlElementxesub1=x

3、mlDoc.createElement_x("title");xesub1.InnerText="CS从入门到精通";//设置文本节点xe1.AppendChild(xesub1);//添加到节点中XmlElementxesub2=xmlDoc.createElement_x("author");xesub2.InnerText="候捷";xe1.AppendChild(xesub2);XmlElementxesub3=xmlDoc.createElement_x("price");xesub3.InnerText="58.3";xe1.Appen

4、dChild(xesub3);root.AppendChild(xe1);//添加到节点中xmlDoc.Save("bookstore.xml");//================结果为:复制代码代码如下:Oberon'sLegacyCorets,Eva5.95<

5、bookgenre="李赞红"ISBN="2-3631-4">CS从入门到精通候捷58.32、修改节点:将genre属性值为“李赞红“的节点的genre值改为“update李赞红”,将该节点的子节点的文本修改为“亚胜”。复制代码代码如下:XmlNodeListnodeList=xmlDoc.SelectSingleNode("bookstore").ChildNodes;//获取bookstore节点的所有子节点f

6、oreach(XmlNodexninnodeList)//遍历所有子节点{XmlElementxe=(XmlElement)xn;//将子节点类型转换为XmlElement类型if(xe.GetAttribute("genre")=="李赞红")//如果genre属性值为“李赞红”{xe.SetAttribute("genre","update李赞红");//则修改该属性为“update李赞红”XmlNodeListnls=xe.ChildNodes;//继续获取xe子节点的所有子节点foreach(XmlNodexn1innls)//遍历{XmlElemen

7、txe2=(XmlElement)xn1;//转换类型if(xe2.Name=="author")//如果找到{xe2.InnerText="亚胜";//则修改break;//找到退出来就可以了}}break;}}xmlDoc.Save("bookstore.xml");//保存。//=================最后结果为:复制代码代码如下:Oberon'sLegacy</t</p><p>8、itle><author>Corets</p> </div> <div class="mt-3 bg-white"> <div class="d-lg-block d-none px-3 px-lg-4 py-3 border-bottom text-center font-18"> 当前文档最多预览五页,下载文档查看全文 </div> <div class="detail-fixed-feature d-none d-lg-block" id="detailFixedFeatureBox"> <div class="px-3 px-lg-4 py-3 d-flex align-items-center justify-content-between fixed-feature-box" id="detailFixedFeature"> <div class="d-lg-flex d-none align-items-center"> <div> <a class="btn btn-outline-danger article-state" href="javascript:;" data-id="39549533" data-code="438274" data-title="C# 对XML操作入门实例"> <span>侵权申诉</span> </a> <button type="button" class="btn btn-outline-secondary with-light ml-2" data-toggle="modal" data-target="#reportModal" data-id="39549533"><span>举报</span></button> </div> <nav class="d-flex align-items-center 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