using UnityEngine; using System.Collections; using System.Linq; using System.Xml.Linq; using System;public class XML { //static string xmlpath = Application.persistentDataPath + @"\myXML";//平臺相關的路徑（移動端） static string xmlpath=Application.dataPath+@"\mydfdfXML";//電腦上的路徑，移動端沒有這個訪問權限 /// <summary> /// 初始化一個XML文件 /// </summary> public static void CreateXMLDocument() { XElement root = new XElement("XMLContent", new XElement("Herb1",new XAttribute("MyVaule","0")), new XElement("Herb2",new XAttribute("MyVaule","0")), new XElement("Herb3",new XAttribute("MyVaule","0")), new XElement("Pill1",new XAttribute("MyVaule","0")), new XElement("Pill2",new XAttribute("MyVaule","0")), new XElement("Pill3",new XAttribute("MyVaule","0")), new XElement("Level",new XAttribute("MyVaule","0")), new XElement("Root","root") ); root.Save(xmlpath); } public static XElement LoadXMLFromFile() { XElement root = XElement.Load(xmlpath); return root; } public static void SetElementValue(string name, string value) { XElement root = LoadXMLFromFile(); root.Element(name).SetAttributeValue("MyVaule", value); root.Save(xmlpath); } /// <summary> /// 在根節點元素之前添加新的元素 /// </summary> /// <param name="name">元素名字</param> /// <param name="value">元素的值</param> public static void AddElement(string name, string value) { XElement root = LoadXMLFromFile(); root.Element("Root").AddBeforeSelf(new XElement(name, new XAttribute("MyValue",value))); root.Save(xmlpath); } /// <summary> /// 刪除指定的元素 /// </summary> /// <param name="name">要刪除的元素名稱</param> public static void RemoveElement(string name) { XElement root = LoadXMLFromFile(); root.Element(name).Remove(); root.Save(xmlpath); } /// <summary> /// 根據元素名查找元素對應的值 /// </summary> /// <param name="name">元素名</param> /// <returns></returns> public static string GetElementValue(string name) { XElement root = LoadXMLFromFile(); XAttribute xattr = root.Element(name).Attribute("MyVaule"); string s = xattr.Value; return s; } }

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http://blog.csdn.net/lyq5655779/article/details/7183350

1.寫XML文件

[html]?view plaincopy

XElement?xperson?=?new?XElement("person");//根節點??

????????????xperson.SetAttributeValue("age",?30);//設置屬性??

????????????XElement?xperson1?=?new?XElement("person1");??

????????????xperson1.Value?=?"tom";//設置?innerText值??

????????????xperson1.SetAttributeValue("sex",?"男");??

????????????XElement?xperson2?=?new?XElement("person2");??

??

????????????xperson.Add(xperson1);//加入到根結點??

????????????xperson.Add(xperson2);??

????????????string?xml?=?xperson.ToString();??

????????????Console.WriteLine(xml);??

????????????using?(Stream?stream?=?File.OpenWrite(@"D:\1.xml"))??

????????????{??

????????????????byte[]?bytes?=?new?byte[1024];??

????????????????bytes?=?Encoding.UTF8.GetBytes(xml);??

????????????????stream.Write(bytes,?0,?bytes.Length);//寫入文件??

????????????}??

2.讀取XML文件

? ----------如何讀取xml文件的內容----------------

??????????? using(Stream stream=File.OpenRead(@"D:\1.xml"))
??????????? {
?????????????? using(StreamReader reader= new StreamReader(stream))
?????????????? {
?????????????????? //從Reflector從可以看到TextReader的子類是StreamReader所以，可以直接用StreamReader來讀取XML文檔，傳給XDocument.Load方法
????????????????? XDocument xml=XDocument.Load(reader);//load里面
????????????????? Console.WriteLine( xml.Root.ToString());//xml文檔
????????????????? Console.WriteLine(xml.Root.Nodes().ElementAt(0).ToString());//ElementAt()第幾個子節點?
????????????????? Console.WriteLine(xml.Root.Attribute("age").Value);//返回根節點的屬性的值
????????????????? XNode nodes=xml.Root.Nodes().ElementAt(0);
????????????????? XElement e=nodes as XElement;
????????????????? Console.WriteLine(e.Attribute("sex").Value);//讀取第一個子節點的屬性
??????????????? }
????????????
??????????? }

3.讀取App.Config

?

? using (Stream stream = File.OpenRead(@"D:\net實例教程\練習net\XML練習\XML練習\App.config"))
??????????? {
??????????????? using (StreamReader reader = new StreamReader(stream))
??????????????? {
??????????????????? XDocument xml = XDocument.Load(reader);
??????????????????? XNode n1 = xml.Root.Nodes().ElementAt(0);//這就是<configuration> ------下面----<connectionStrings>
??????????????????? XElement e1 = n1 as XElement;
??????????????????? XNode n1_1 = e1.Nodes().ElementAt(0);//connectionStrings下面的<add .....>第一個
??????????????????? XNode n1_2 = e1.Nodes().ElementAt(1);//connectionStrings下面的<add .....>第一個
??????????????????? XElement e1_1 = n1_1 as XElement;
??????????????????? XElement e1_2 = n1_2 as XElement;
??????????????????? //Console.WriteLine("Name={0},Connection={1}", e1.Attribute("name").Value, e1.Attribute("connectionString").Value);
??????????????????? Console.WriteLine("第一個連接字符串的name={0},Connection={1}", e1_1.Attribute("name"), e1_1.Attribute("connectionString"));

??????????????????? Console.WriteLine("第一個連接字符串的name={0},Connection={1}", e1_2.Attribute("name"), e1_2.Attribute("connectionString"));

??????????????? }
??????????? }
???????

?????????

[csharp]?view plaincopy

using?(Stream?stream?=?File.OpenRead(@"D:\net實例教程\練習net\XML練習\XML練習\App.config"))??

{??

??

????using?(StreamReader?reader?=?new?StreamReader(stream))??

????{???

????????XDocument?xml=XDocument.Load(reader);??

????????IEnumerable<XElement>?XConnstr?=?xml.Root.Elements("connectionStrings");??

??????

????????Console.WriteLine(XConnstr.Count().ToString());??

????????if?(XConnstr.Count()?==?1)??

????????{??

?????????????XElement?Connstr?=?XConnstr.ElementAt(0);??

????????????foreach(XElement?conn?in?Connstr.Elements("add"))??

????????????{??

????????????????string?name?=?conn.Attribute("name").Value;??

????????????????string?Connection?=?conn.Attribute("connectionString").Value;??

????????????????Console.WriteLine("Name={0},Age={1}",?name,?Connection);??

??????????????

????????????}??

??????????

????????}??

????}??

??

}?

http://blog.csdn.net/xutao_ustc/article/details/6316933

<?xml version="1.0" encoding="utf-8" ?> <UIConfig Count="1"><workflow name="OilInbound"><activity name="Started"><Input><Page></Page><Method></Method></Input><Brief><Page>OilInboundTaskDetail</Page><Method>GetTaskDetailModel</Method> </Brief><Detail><Page>OilInboundTaskDetail</Page><Method>GetTaskDetailModel</Method></Detail><DisplayName>任務創建</DisplayName></activity><activity name="OilCompositionAnalysis"><Input><Page>OilAnalyzingDataInput</Page><Method>GetOilAnalyzingDataInputModel</Method></Input><Brief> <Page>OilAnalyzingDataBrief</Page><Method>GetOilAnalyzingDataBriefModel</Method></Brief><Detail><Page>OilAnalyzingDataDetail</Page><Method>GetOilAnalyzingDataDetailModel</Method></Detail><DisplayName>化驗</DisplayName> </activity></workflow> </UIConfig> using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Collections; using System.Xml.Linq; using System.Xml; namespace ConsoleApplication2 {class Program{static void Main(string[] args){XElement doc = XElement.Load("..//..//data-config.xml");//根元素string sss = getStr(doc, "OilInbound", "Started", "Input", "Page");Console.WriteLine(sss);Console.ReadKey();}//如果當前元素的子元素只有一個，可以直接用.Element("elementName")來得到，如果是多個子元素就用Elements("elementName")得到private static string getStr(XElement doc,string workflowName,string stepName,string typeName,string pageMethod) {var strEle = from workflow in doc.Elements("workflow")where (string)workflow.Attribute("name") == workflowNameselectnew{str = workflow.Elements("activity").TakeWhile(x => (string)x.Attribute("name") == stepName).First().Element(typeName).Element(pageMethod).Value};return strEle.First().str; }} }

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