Unity3d XML的创建、更新、添加、删除和读取

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关于Xml文件的相关操作
创建、更新、添加、删除、读取
using System.IO;using System.Xml;using UnityEngine;public class XmlOperation : MonoBehaviour{    private string path = "";    void Awake()    {        path= Application.dataPath + "/test.xml";    }    void Start()    {        //CreateXml(path);        //UpdateXml(path,"0");        //AddXml(path);        //DeleteXml(path,"1001");        ReadXml(path);    }    /// <summary>    /// 根据路径来创建xml文件    /// </summary>    /// <param name="filePath"></param>    public void CreateXml(string filePath)    {        if (!File.Exists(filePath))        {            // 创建xml文档实例            XmlDocument xmlDoc = new XmlDocument();            // 创建根节点            XmlElement root = xmlDoc.CreateElement("transforms");            // 创建第一个子节点            XmlElement elmXml = xmlDoc.CreateElement("rotation");            // 设置节点属性            elmXml.SetAttribute("id", "0");            elmXml.SetAttribute("name", "first");            // 创建第一子节点的子节点            XmlElement rotation_x = xmlDoc.CreateElement("x");            rotation_x.InnerText = "0";            XmlElement rotation_y = xmlDoc.CreateElement("y");            rotation_y.InnerText = "1";            XmlElement rotation_z = xmlDoc.CreateElement("z");            rotation_z.InnerText = "2";            // 排序            elmXml.AppendChild(rotation_x);            elmXml.AppendChild(rotation_y);            elmXml.AppendChild(rotation_z);            root.AppendChild(elmXml);            xmlDoc.AppendChild(root);            xmlDoc.Save(filePath);        }    }    /// <summary>    /// 更新指定id的xml数据    /// </summary>    /// <param name="path"></param>    /// <param name="id"></param>    public void UpdateXml(string path, string id)    {        if (File.Exists(path))        {            XmlDocument xmlDoc = new XmlDocument();            xmlDoc.Load(path);            XmlNodeList nodes = xmlDoc.SelectSingleNode("transforms").ChildNodes;            foreach (XmlElement xe in nodes)            {                if (xe.GetAttribute("id") == id)                {                    xe.SetAttribute("id", "1001");                    foreach (XmlElement xx1 in xe.ChildNodes)                    {                        if (xx1.Name == "x")                            xx1.InnerText = "1001";                    }                    break;                }            }            xmlDoc.Save(path);        }    }    /// <summary>    /// 添加一条数据    /// </summary>    /// <param name="path"></param>    public void AddXml(string path)    {        if (File.Exists(path))        {            XmlDocument xmlDoc = new XmlDocument();            xmlDoc.Load(path);            XmlNode root = xmlDoc.SelectSingleNode("transforms");            XmlElement elmNew = xmlDoc.CreateElement("rotation");            elmNew.SetAttribute("id", "1");            elmNew.SetAttribute("name", "yusong");            XmlElement rotation_X = xmlDoc.CreateElement("x");            rotation_X.InnerText = "0";            XmlElement rotation_Y = xmlDoc.CreateElement("y");            rotation_Y.InnerText = "1";            XmlElement rotation_Z = xmlDoc.CreateElement("z");            rotation_Z.InnerText = "2";            elmNew.AppendChild(rotation_X);            elmNew.AppendChild(rotation_Y);            elmNew.AppendChild(rotation_Z);            root.AppendChild(elmNew);            xmlDoc.AppendChild(root);            xmlDoc.Save(path);        }    }    /// <summary>    /// 删除数据    /// </summary>    /// <param name="path"></param>    /// <param name="id"></param>    public void DeleteXml(string path, string id)    {        if (File.Exists(path))        {            XmlDocument xmlDoc = new XmlDocument();            xmlDoc.Load(path);            XmlNodeList nodeList = xmlDoc.SelectSingleNode("transforms").ChildNodes;            foreach (XmlElement xe in nodeList)            {                if (xe.GetAttribute("id") == id)                {                    // 移除指定id的属性                    xe.RemoveAttribute("id");                }                foreach (XmlElement x1 in xe.ChildNodes)                {                    // 移除所有z的value                    if (x1.Name == "z")                    {                        x1.RemoveAll();                    }                }            }            xmlDoc.Save(path);        }    }    /// <summary>    /// 读取xml    /// </summary>    /// <param name="path"></param>    public void ReadXml(string path)    {        if (File.Exists(path))        {            XmlDocument xmlDoc = new XmlDocument();            xmlDoc.Load(path);            XmlNodeList nodes = xmlDoc.SelectSingleNode("transforms").ChildNodes;            foreach (XmlElement xe in nodes)            {                Debug.Log("ID: " + xe.GetAttribute("id"));                Debug.Log("Name: "+xe.GetAttribute("name"));                string element = "";                foreach (XmlElement x in xe)                {                    element= element + "," + x.InnerText;                }                Debug.Log(element);            }        }    }}
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