C#实现实体类和XML的相互转换
时间：2022-09-09 09:48:42|栏目：.NET代码|点击： 次
一、实体类转换成XML
将实体类转换成XML需要使用XmlSerializer类的Serialize方法，将实体类序列化
public static string XmlSerialize<T>(T obj)
{
using (StringWriter sw = new StringWriter())
{
Type t= obj.GetType();
XmlSerializer serializer = new XmlSerializer(obj.GetType());
serializer.Serialize(sw, obj);
sw.Close();
return sw.ToString();
}
}
示例：
1、定义实体类
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true)]
[System.Xml.Serialization.XmlRootAttribute(Namespace = "", IsNullable = false)]
public class Request
{
public string System { get; set; }
public string SecurityCode { get; set; }
public PatientBasicInfo PatientInfo { get; set; }
}
/// <remarks/>
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true)]
public partial class PatientBasicInfo
{
public string PatientNo { get; set; }
public string PatientName { get; set; }
public string Phoneticize { get; set; }
public string Sex { get; set; }
public string Birth { get; set; }
public string BirthPlace { get; set; }
public string Country { get; set; }
public string Nation { get; set; }
public string IDNumber { get; set; }
public string SecurityNo { get; set; }
public string Workunits { get; set; }
public string Address { get; set; }
public string ZIPCode { get; set; }
public string Phone { get; set; }
public string ContactPerson { get; set; }
public string ContactShip { get; set; }
public string ContactPersonAdd { get; set; }
public string ContactPersonPhone { get; set; }
public string OperationCode { get; set; }
public string OperationName { get; set; }
public string OperationTime { get; set; }
public string CardNo { get; set; }
public string ChangeType { get; set; }
}
2、给实体类赋值，并通过序列化将实体类转换成XML格式的字符串
Request patientIn = new Request();
patientIn.System = "HIS";
patientIn.SecurityCode = "HIS5";
PatientBasicInfo basicInfo = new PatientBasicInfo();
basicInfo.PatientNo = "1234";
basicInfo.PatientName = "测试";
basicInfo.Phoneticize = "";
basicInfo.Sex = "1";
basicInfo.Birth = "";
basicInfo.BirthPlace = "";
basicInfo.Country = "";
basicInfo.Nation = "";
basicInfo.IDNumber = "";
basicInfo.SecurityNo = "";
basicInfo.Workunits = "";
basicInfo.Address = "";
basicInfo.ZIPCode = "";
basicInfo.Phone = "";
basicInfo.ContactShip = "";
basicInfo.ContactPersonPhone = "";
basicInfo.ContactPersonAdd = "";
basicInfo.ContactPerson = "";
basicInfo.ChangeType = "";
basicInfo.CardNo = "";
basicInfo.OperationCode = "";
basicInfo.OperationName = "";
basicInfo.OperationTime = "";
patientIn.PatientInfo = basicInfo;
//序列化
string strxml = XmlSerializeHelper.XmlSerialize<Request>(patientIn);
3、生成的XML实例
<?xml version="1.0" encoding="utf-16"?>
<Request xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<System>HIS</System>
<SecurityCode>HIS5</SecurityCode>
<PatientInfo>
<PatientNo>1234</PatientNo>
<PatientName>测试</PatientName>
<Phoneticize />
<Sex>1</Sex>
<Birth />
<BirthPlace />
<Country />
<Nation />
<IDNumber />
<SecurityNo />
<Workunits />
<Address />
<ZIPCode />
<Phone />
<ContactPerson />
<ContactShip />
<ContactPersonAdd />
<ContactPersonPhone />
<OperationCode />
<OperationName />
<OperationTime />
<CardNo />
<ChangeType />
</PatientInfo>
</Request>
二、将XML转换成实体类
把XML转换成相应的实体类，需要使用到XmlSerializer类的Deserialize方法，将XML进行反序列化。
public static T DESerializer<T>(string strXML) where T:class
{
try
{
using (StringReader sr = new StringReader(strXML))
{
XmlSerializer serializer = new XmlSerializer(typeof(T));
return serializer.Deserialize(sr) as T;
}
}
catch (Exception ex)
{
return null;
}
}
示例：
将上例中序列化后的XML反序列化成实体类
//反序列化 Request r = XmlSerializeHelper.DESerializer<Request>(strxml);
三、将DataTable转换成XML
//将DataTable转换成XML
DataTable dt = new DataTable("MyTable");
//添加列
dt.Columns.Add("Id", typeof(int));
dt.Columns.Add("Name", typeof(string));
dt.Columns.Add("Sex", typeof(char));
//添加行
dt.Rows.Add(1, "小明", '1');
dt.Rows.Add(2, "小红", '2');
dt.Rows.Add(3, "小王", '2');
dt.Rows.Add(4, "测试", '2');
//序列化，将DataTable转换成XML格式的字符串
string strXML = XmlSerializeHelper.XmlSerialize <DataTable> (dt);
四、将XML转换成DataTable
//反序列化，将XML转换成字符串 DataTable dtNew= XmlSerializeHelper.DESerializer<DataTable>(strXML);
五、将List集合转换成XML
/// <summary>
/// 测试类
/// </summary>
public class Student
{
public int Id { get; set; }
public string Name { get; set; }
public char Sex { get; set; }
public int Age { get; set; }
}
//测试集合
List<Student> list = new List<Student>()
{
new Student(){Id=1,Name="小红",Sex='2',Age=20},
new Student(){Id=2,Name="小明",Sex='1',Age=22},
new Student(){Id=3,Name="小王",Sex='1',Age=19},
new Student(){Id=4,Name="测试",Sex='2',Age=23}
};
//序列化
string strXML = XmlSerializeHelper.XmlSerialize<List<Student>>(list);
六、将XML转换成集合
使用上面例子中集合转换成的XML进行反序列化。
//反序列化 List<Student> listStu = XmlSerializeHelper.DESerializer<List<Student>>(strXML);
