[英]How to map an object to an existing XML file in C# .NET?
我有這個現有的XML文件作為模板,沒有數據,只是簡單的節點......這是一個示例:
<?xml version="1.0" encoding="utf-8" ?>
<catalog>
<cd>
<title />
<artist />
<country />
<company />
<price />
<year />
</cd>
</catalog>
現在我為它創建了一個類似的類。
public class Cd
{
public string Title { get; set; }
public string Artist { get; set; }
public string Country { get; set; }
public string Company { get; set; }
public string Price { get; set; }
public string Year { get; set; }
}
目的是這樣的:
var cd = new Cd();
的屬性上var cd = new Cd();
賓語 我認為就是這樣。
如何正確地做到這一點? 非常感謝!
您可以使用序列化來實現(1)和(2)
[Serializable]
public class Cd
{
public string Title { get; set; }
public string Artist { get; set; }
public string Country { get; set; }
public string Company { get; set; }
public string Price { get; set; }
public string Year { get; set; }
}
現在為了從對象創建一個xml使用:
public static string SerializeObject<T>(this T obj)
{
var ms = new MemoryStream();
var xs = new XmlSerializer(obj.GetType());
var xmlTextWriter = new XmlTextWriter(ms, Encoding.UTF8);
xs.Serialize(xmlTextWriter, obj);
string serializedObject = new UTF8Encoding().GetString((((MemoryStream)xmlTextWriter.BaseStream).ToArray()));
return serializedObject;
}
為了從XML創建對象使用:
public static T DeserializeObject<T>(this string xml)
{
if (xml == null)
throw new ArgumentNullException("xml");
var xs = new XmlSerializer(typeof(T));
var ms = new MemoryStream(new UTF8Encoding().GetBytes(xml));
try
{
new XmlTextWriter(ms, Encoding.UTF8);
return (T)xs.Deserialize(ms);
}
catch
{
return default(T);
}
finally
{
ms.Close();
}
}
我會創建課程:
class catalog
{
public CD cd {get;set;}
}
這是序列化和deserealization幫助器:
public class Xml
{
public static string Serialize<T>(T value) where T : class
{
if (value == null)
{
return string.Empty;
}
var xmlSerializer = new XmlSerializer(typeof(T));
var stringWriter = new StringWriter();
using (var xmlWriter = XmlWriter.Create(stringWriter))
{
xmlSerializer.Serialize(xmlWriter, value);
return stringWriter.ToString();
}
}
public static T Deserialize<T>(string xml)
{
var serializer = new XmlSerializer(typeof(T));
T result;
using (TextReader reader = new StringReader(xml))
{
result = (T) serializer.Deserialize(reader);
}
return result;
}
}
只需致電:
catalog catalogObject = Xml.Deserialize<catalog>(xmlCatalogString);
我懷疑你還需要在XmlElement(ElementName =“title”)等屬性上放置一些屬性,因為它區分大小寫。
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