c#读取xml文件

c#读取xml的内容并放到对象中  

<?xml version="1.0" encoding="UTF-8"?>
<serviceResponse xmlns:cas="http://www.yale.edu/tp/cas">
    <authenticationSuccess>
        <userId>1547328470384640</userId>
        <user>admin</user>
        <domain>testjn14</domain>
        <email/>
        <loginName>admin</loginName>
    </authenticationSuccess>
</serviceResponse>

一、c#最原始的方法：

//定义xml对应的类
　　public class CasMolde
    {
        public string userId { get; set; }
        public string user { get; set; }
        public string domain { get; set; }
        public string email { get; set; }
        public string loginName { get; set; }
    }　

//读取xml并实例化对象 （最原始的方法）
　　private CasMolde GetCasModel(string xml)
        {
            CasMolde casmodel = new CasMolde();
            XmlDocument doc = new XmlDocument();
            doc.LoadXml(xml);

            foreach (XmlNode item in doc.DocumentElement.ChildNodes)
            {
                foreach (XmlNode item2 in item.ChildNodes)
                {
                    switch (item2.Name)
                    {
                        case "userId":
                            casmodel.userId = item2.InnerXml;
                            break;
                        case "user":
                            casmodel.user = item2.InnerXml;
                            break;
                        case "loginName":
                            casmodel.loginName = item2.InnerXml;
                            break;
                        case "email":
                            casmodel.email = item2.InnerXml;
                            break;
                        case "domain":
                            casmodel.domain = item2.InnerXml;
                            break;
                        default:
                            break;
                    }
                }
            }
            return casmodel;
        }

一个序列化反序列化的类库