XML文件的读取，更改，填写

添加脚本LoadXMLConfiguration.cs,如图绑定到摄像机对象上。

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Xml;
using System.IO;
using UnityEngine.UI;


public class LoadXMLConfiguration : MonoBehaviour

    private ArrayList DialogA = new ArrayList();

    private ArrayList DialogA = new ArrayList();

    void Awake()

	LoadXML();

    //配置读取上图中的XMLDate.xml文件

    void LoadXML()

	//创建XML文档

	XmlDocument xmlDocument = new XmlDocument();

	//创建Xml文件的配置

	XmlReaderSetting xmlSet = new XmlRraderSetting();

	//这个设置是为了忽略xml注释文档的影响，有时候注释会影响到xml文件的读取。

	xmlSet.IgnoreComments = true;

	//加载XMLData.xml文件

	xmlDocument.Load(XmlReader.Create((Application.dataPath + "/XMLFile/XMLDate.xml"),xmlSet));

	//获取Objects节点下的所有子节点

	XmlNodeList xmlNodeList = xmlDocument.SelectSingleNode("Objects").ChildNodes;

	foreach(XmlElement element in xmlNodeList)

	    if(element.GetAttribute("id") == "1")

		foreach(XmlElement element1 in element.ChildNodes)

		    if(element1.GetAttribute("Monitor") == "true")

			print("element1.GetAttribute("Name") + ":" + element1.GetAttribute("Content"));

    //将内容上传到XML配置文件中

    void UpDateXML()

	string path = Application.dataPath + "/XMLFile/XMLDate.xml";

	if(File.Exists(paht))

	    XmlDocument xmlDocument = new XmlDocument();

	    xmlDocument.Load(path);

	    XmlNodeList xmlNodeList = xmlDocument.SelectSingleNode("Objects").ChildNodes;

	    foreach(XmlElement element in xmlNodeList)

		if(element.GetAttribute("id") == "1")

		    //把id = 1的子项更改为： id = 5;

		    element.SetAttribute("id","5");

		if(element.GetAttribute("id") == "2")

		    foreach(XmlElement element1 in element.ChildNodes)

			if(element1.GetAttribute("Name") == "1")

			    element1.SetAttribute("Name","123");

			    element1.InnerText = "我改变了世界。";

	    xmlDocument.Save(path);

    //创建XML文件 XMLDate1.xml

    void CreateXMLFile()

	string path = Application.dataPath + "/XMLFile/XMLDate1.xml";

	if(!File.Exists(path))

	    //创建最上一层节点

	    XmlDocument xmlDocument = new XmlDocuemnt();

	    //创建最上一层节点

	    XmlElement root = xmlDocument.CreaeteElement("Objects");

	    //创建子节点

	    XmlElement xmlElement = xmlDocument.CreateElement("Messages");

	    xmlElement.SetAtttibute("name","操作流程");

	    XmlElement xmlElement_1 = xmlDocument.CreateElement("Action");

 	    xmlElement_1.SetAttribute("id","1");

	    xmlElement_1.SetAttribute("Monitor","false");

//设置节点中的内容

	    xmlElement_1.InnerText = "打开PLC进行操作。";

	    XmlElement xmlElement_2 = xmlDocument.CreateElement("Action");

 	    xmlElement_2.SetAttribute("id","2");

	    xmlElement_2.SetAttribute("Monitor","true");

//设置节点中的内容

	    xmlElement_2.InnerText = "打开阀门，消毒水流出。";

	    //把节点一层一层的加入到XML文件中，注意他们之间的先后顺序，这是生成XML文件的顺序。

	    xmlElement.AppendChild(xmlElement_1);

            xmlElement.AppendChild(xmlElement_2);

root.AppendChild(xmlElement);

	    xmlDocument.AppendChild(root);

	    xmlDocument.Save(path);

    //向XML文件中添加内容

    void AddXMLData()

	//文件路径

	string path = Application.dataPath + "/XMLFile/XMLDate2.xml";

	if(!File.Exists(path))

	    XmlDocument xmlDocument = new XmlDocument();

	    //根目录

    	    XmlElement root = xmlDocument.CreateElement("Objects");

     	    //根目录下的第一个  子目录

	    XmlElement xmlElement = xmlDocument.CreateElement("Messages");

	    xmlElement.SetAttribute("Name","游戏执行顺序。");

	    //根目录下的第二个  子目录

	    XmlElement xmlElement_1 = xmlDocument.CreateElement("Message");

	    xmlElement_1.SetAttribute("Id","1");

	    xmlElement_1.SetAttribute("Action","进入大门。");

	    xmlElement_1.SetAttribute("Monitor","true");

	    xmlElement_1.InnerText = "任务执行开始。";

	    xmlElement.AppendChild(xmlElement_1);

	    root.AppendChild(xmlElement);

	    xmlDocument.AppendChild(root);

	    xmlDocument.Save(path);

	else

	    XmlDocument xmlDocument = new XmlDocument();

	    xmlDocument.Load(path);

	    //找到Objects节点

	    XmlNode root = xmlDocument.SelectSingleNode("Objects");

	    //找到Messages节点

 	    XmlNode xmlElement = root.SelectSingleNode("Messages");

 	    //新建节点

	    XmlElement xmlElement = xmlDocument.CreateElement("Message");

	    xmlElement_1.SetAttribute("Id", "2");
            xmlElement_1.SetAttribute("Action", "与门卫对话");
            xmlElement_1.SetAttribute("Monitor", "true");
            xmlElement_1.InnerText = "你好，欢迎来到火影忍者。";


            XmlElement xmlElement_2 = xmlDocument.CreateElement("Message");
            xmlElement_2.SetAttribute("Id","3");
            xmlElement_2.SetAttribute("Action","你好，请接受任务。");
            xmlElement_2.SetAttribute("Monitor", "false");
            xmlElement_2.InnerText = "升级";


            xmlElement.AppendChild(xmlElement_1);
            xmlElement.AppendChild(xmlElement_2);


            root.AppendChild(xmlElement);
            xmlDocument.AppendChild(root);


            xmlDocument.Save(path);

XML文件的读取，更改，填写

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