使用WWW获取本地文件夹的XML配置文件

/// <summary>
    /// 读取颜色配置
    /// </summary>
    /// <returns></returns>
    public List<Color> GetColorXml()
    {
        string xmlPath = Application.dataPath + @"/Configs/Config.xml";
        List<Color> colorList = new List<Color>();
        if (File.Exists(xmlPath))
        {
            XmlDocument xmlDoc = new XmlDocument();            
            WWW www = new WWW("file:// " + xmlPath);
            while (true)
            {
                if (www.isDone)
                {
                    System.IO.StringReader stringReader = new System.IO.StringReader(www.text);
                    stringReader.Read(); // skip BOM 
                    xmlDoc.LoadXml(stringReader.ReadToEnd());
                    //xmlDoc.LoadXml(www.text);    
                    break;
                }
            }

            //xmlDoc.Load(xmlPath);
            XmlNodeList nodeList = xmlDoc.SelectSingleNode("Config/ColorConfig").ChildNodes;

            //遍历每一个节点，拿节点的属性以及节点的内容
            foreach (XmlElement xe in nodeList)
            {
                //Debug.Log("Attribute :" + xe.GetAttribute("id"));
                //Debug.Log("NAME :" + xe.Name);
                if (xe.Name != "Color")
                {
                    continue;
                }

                Color c1 = new Color();
                foreach (XmlElement x1 in xe.ChildNodes)
                {
                    if (x1.Name == "r")
                    {
                        float.TryParse(x1.InnerText, out c1.r);
                        c1.r = c1.r > 1f ? c1.r / 255f : c1.r;
                    }
                    if (x1.Name == "g")
                    {
                        float.TryParse(x1.InnerText, out c1.g);
                        c1.g = c1.g > 1f ? c1.g / 255f : c1.g;
                    }
                    if (x1.Name == "b")
                    {
                        float.TryParse(x1.InnerText, out c1.b);
                        c1.b = c1.b > 1f ? c1.b / 255f : c1.b;
                    }
                    if (x1.Name == "a")
                    {
                        float.TryParse(x1.InnerText, out c1.a);
                        c1.a = c1.a > 1f ? c1.a / 255f : c1.a;
                    }
                }
                colorList.Add(c1);
            }

        }
        return colorList;

    }