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Unity上使用Linq To XML——简单易维护的代码

项目里经常会碰到XML的使用,操作用法无非就是增删改查。使用C#的原始XML来写非常麻烦,但是使用Linq to XML来写就相对简洁的多了。首先,创建一个脚本,名为Linq to XML,去掉它继承与MonoBehaviour。代码如下:

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using unityEngine;

using System.Collections;

using System.Linq;

using System.Xml.Linq;

using System;



public class XML {

//static string xmlpath = Application.persistentDataPath + @"\myXML";//平台相关的路径(移动端)

static string xmlpath=Application.dataPath+@"\mydfdfXML";//电脑上的路径,移动端没有这个访问权限

/// <summary>

/// 初始化一个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>

/// 在根节点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>

/// 删除指定的元素

/// </summary>

/// <param name="name">要删除的元素名称</param>

public static void RemoveElement(string name)

{

XElement root = LoadXMLFromFile();

root.Element(name).Remove();

root.Save(xmlpath);

}

/// <summary>

/// 根据元素名查找元素对应的值

/// </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;

}

}
           
项目里经常会碰到XML的使用,操作用法无非就是增删改查。使用C#的原始XML来写非常麻烦,但是使用Linq to XML来写就相对简洁的多了。首先,创建一个脚本,名为Linq to XML,去掉它继承与MonoBehaviour。代码如下:              

本帖隐藏的内容

[C#]  纯文本查看  复制代码
using unityEngine;

using System.Collections;

using System.Linq;

using System.Xml.Linq;

using System;



public class XML {

//static string xmlpath = Application.persistentDataPath + @"\myXML";//平台相关的路径(移动端)

static string xmlpath=Application.dataPath+@"\mydfdfXML";//电脑上的路径,移动端没有这个访问权限

/// <summary>

/// 初始化一个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>

/// 在根节点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>

/// 删除指定的元素

/// </summary>

/// <param name="name">要删除的元素名称</param>

public static void RemoveElement(string name)

{

XElement root = LoadXMLFromFile();

root.Element(name).Remove();

root.Save(xmlpath);

}

/// <summary>

/// 根据元素名查找元素对应的值

/// </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;

}

}