本文实例讲述了C#实现导出List数据到xml文件的方法。分享给大家供大家参考,具体如下:
C#导出List数据到xml文件,这里主要用到的是:
XmlSerializer 类 (System.Xml.Serialization)
将对象序列化到 XML 文档中和从 XML 文档中反序列化对象。XmlSerializer 使您得以控制如何将对象编码到 XML 中。
实体类代码:
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/// <summary> /// 用户实体类 /// /// 注意:类的访问修饰符必须是:public,否则会出现错误: /// 因其保护级别而不可访问。只能处理公共类型。 /// </summary> [Serializable] public class UserModel { private long id = 1; private string name = "name" ; private int gender = 0; private int age = 20; private string userName = "userName" ; private string password = "password" ; public long Id { get { return id; } set { id = value; } } public string Name { get { return name; } set { name = value; } } public int Gender { get { return gender; } set { gender = value; } } public int Age { get { return age; } set { age = value; } } public string UserName { get { return userName; } set { userName = value; } } public string Password { get { return password; } set { password = value; } } } |
导出代码:
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private void button1_Click( object sender, EventArgs e) { try { List<UserModel> list = new List<UserModel>(); list.Add( new UserModel()); list.Add( new UserModel()); list.Add( new UserModel()); list.Add( new UserModel()); list.Add( new UserModel()); list.Add( new UserModel()); list.Add( new UserModel()); list.Add( new UserModel()); list.Add( new UserModel()); list.Add( new UserModel()); using (System.IO.StringWriter stringWriter = new StringWriter( new StringBuilder())) { XmlSerializer xmlSerializer = new XmlSerializer( typeof (List<UserModel>)); xmlSerializer.Serialize(stringWriter, list); FileStream fs = new FileStream( "list_userModel.xml" , FileMode.OpenOrCreate); StreamWriter sw = new StreamWriter(fs); sw.Write(stringWriter.ToString()); sw.Close(); fs.Close(); MessageBox.Show( "写入文件成功!" ); } } catch (System.Exception ex) { System.Console.WriteLine( "====================================" ); System.Console.WriteLine(ex.Message); System.Console.WriteLine(ex.StackTrace); } } |
生成的XML文件内容:
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<? xml version = "1.0" encoding = "utf-16" ?> < ArrayOfUserModel xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd = "http://www.w3.org/2001/XMLSchema" > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > < UserModel > < Id >1</ Id > < Name >name</ Name > < Gender >0</ Gender > < Age >20</ Age > < UserName >userName</ UserName > < Password >password</ Password > </ UserModel > </ ArrayOfUserModel > |
完整实例代码点击此处本站下载。
希望本文所述对大家C#程序设计有所帮助。