为什么将 XML 反序列化为 Object 返回空值? [英] Why deserialize XML into Object return null value?
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问题描述
我有一个这样的 XML 字符串:
I have a XML string like that:
<?xml version="1.0" ?>
<result>
<vmeet_id>7121</vmeet_id>
<username>MT_Hue_QuangBinh_QuangTri</username>
<email></email>
<begin_date>2010-04-21 08:53</begin_date>
<expiry_date>2010-12-21 00:00</expiry_date>
<point></point>
<info>OK</info>
</result>
我想把它反序列化成一个对象,所以我创建了这个类:
I want to deserialize it into an object, so I created this class:
[Serializable]
[XmlRoot(ElementName = "result", IsNullable = false)]
public class UserInfo
{
[XmlAttribute("vmeet_id")]
public int UserID { get; set; }
[XmlAttribute("username")]
public string Username { get; set; }
[XmlAttribute("email")]
public string Email { get; set; }
[XmlAttribute("begin_date")]
public DateTime BeginDate { get; set; }
[XmlAttribute("expiry_date")]
public DateTime ExpiryDate { get; set; }
[XmlAttribute("point")]
public string Point { get; set; }
[XmlAttribute("info")]
public string Info { get; set; }
}
然后使用此代码反序列化:
and then use this code to deserialize:
var deserializer = new XmlSerializer(typeof(UserInfo));
using (var stream = new StringReader(result))
{
UserInfo userInfo = (UserInfo)deserializer.Deserialize(stream);
return userInfo;
}
返回值不为空,但其所有属性均为空值:
return value was not null, but all its properties was null value:
<result vmeet_id="0" begin_date="0001-01-01T00:00:00" expiry_date="0001-01-01T00:00:00"/>
这里有什么问题?我是不是忘记了什么?
what is wrong here? Did I forgot something?
谢谢.
推荐答案
在你的 XML 中,你所有的 'vmeet' 'begin_date' 都是 elements
,但是在你的 UserInfo 类中,你将它们声明为XMLAttribute
.尝试将它们更改为 XMLElement
应该会有所帮助.
In your XML, all your 'vmeet' 'begin_date' are all elements
, but in your UserInfo Class, you declare them as XMLAttribute
. Try changing them to XMLElement
should help.
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