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namespace MvcAppTest.Controllers { public class HomeController : Controller { // // GET: /Home/ public ActionResult Index() { string sql = "select a.*,(select UserName,Password,Error from T_UserLogin where LoginId=a.LoginId for xml auto,type,elements) as UserInfoXML from T_UserInfo a "; List<T_UserInfo> list = SqlHelper.ExecuteClass<T_UserInfo>(sql,null); //经过sql语句查询后UserInfoXML字段的值为: // <T_UserLogin><UserName>无盐海</UserName><Password>123456</Password><Error>1</Error></T_UserLogin> //将XML格式的字符串转换成对象(特别要注意<T_UserLogin>要与目标类名称一致) var objList = HomeController.XMLToObject<T_UserLogin>(list.First().UserInfoXML,Encoding.UTF8); var name = objList.UserName; return View(); } /// <summary> /// 将object对象序列化成XML /// </summary> /// <typeparam name="T">需要序列化的对象</typeparam> /// <param name="encoding">如果序列化出错,可以尝试修改下encoding的值试试</param> /// <returns></returns> public static string ObjectToXML<T>(T t,Encoding encoding) { XmlSerializer ser = new XmlSerializer(t.GetType()); using (MemoryStream mem = new MemoryStream()) { using (XmlTextWriter writer = new XmlTextWriter(mem,encoding)) { XmlSerializerNamespaces ns = new XmlSerializerNamespaces(); ns.Add("",""); ser.Serialize(writer,t,ns); return encoding.GetString(mem.ToArray()).Trim(); } } } /// <summary> /// 将XML反序列化成对象 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="source">需要序列化的XML字符串</param> /// <param name="encoding">如果序列化出错,可以尝试修改下encoding的值试试</param> /// <returns></returns> public static T XMLToObject<T>(string source,Encoding encoding) { XmlSerializer mySerializer = new XmlSerializer(typeof(T)); using (MemoryStream stream = new MemoryStream(encoding.GetBytes(source))) { return (T)mySerializer.Deserialize(stream); } } } }
namespace MvcAppTest.DAL { [Serializable] public class T_UserInfo { public int Id { get; set; } public string UserName { get; set; } public int Age { get; set; } public string UserInfoXML { get; set; } } [Serializable] public class T_UserLogin { public string UserName { get; set; } public string Password { get; set; } public int Error { get; set; } } }
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