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本篇內(nèi)容主要講解“怎么使用C#實(shí)現(xiàn)XML序列化”,感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷,實(shí)用性強(qiáng)。下面就讓小編來帶大家學(xué)習(xí)“怎么使用C#實(shí)現(xiàn)XML序列化”吧!
引入System.Xml.Serialization命名空間。
XML序列化常用屬性:
XmlRoot
XmlType
XmlText
XmlEnum
[Serializable] [XmlRoot] public class Product { public int ProductID { set; get; }//默認(rèn)為[XmlElement("ProductID")] [XmlAttribute("Discount")] public int DisCount { set; get; } } public class BookProduct : Product { public BookProduct() { } public string ISBN { get; set; } } [XmlRoot("inv")] public class Inventory { public Inventory() { } [XmlArray("allpro")] [XmlArrayItem("prod", typeof(Product)), XmlArrayItem("book", typeof(BookProduct))] public Product[] InventroyItems { set; get; } }
//序列化 Product product = new Product() { ProductID = 1, DisCount = 5 }; string s = ""; using (StringWriter sw = new StringWriter()) { XmlSerializer xz = new XmlSerializer(typeof(Product)); xz.Serialize(sw, product); s = sw.ToString(); } Console.WriteLine(s); // // Discount="5"> // 1 // //反序列化 using (StringReader sr = new StringReader(s)) { XmlSerializer xz = new XmlSerializer(typeof(Product)); product = xz.Deserialize(sr) as Product; } Console.WriteLine(product .ProductID.ToString() + ", " + product.DisCount); //1, 5
//序列化 List list = new List(){ new Product() { ProductID = 1, DisCount =5 }, new BookProduct() { ProductID = 1, DisCount =3, ISBN="aaaa"} }; Inventory invertoy = new Inventory { InventroyItems = list.ToArray() }; string s = ""; using (StringWriter sw = new StringWriter()) { XmlSerializer xz = new XmlSerializer(typeof(Inventory)); xz.Serialize(sw, invertoy); s = sw.ToString(); } Console.WriteLine(s); // // // <allpro> // <prod Discount="5"> // 1 // // <book Discount="3"> // 1 // aaaa // // allpro> // //反序列化 using (StringReader sr = new StringReader(s)) { XmlSerializer xz = new XmlSerializer(typeof(Inventory)); invertoy = xz.Deserialize(sr) as Inventory; } Console.WriteLine(invertoy.InventroyItems[0].ProductID.ToString() + ", " + invertoy.InventroyItems[0].DisCount); //1, 5
List list = new List(){ new Product() { ProductID = 1, DisCount =5 }, new BookProduct() { ProductID = 1, DisCount =3, ISBN="aaaa"} }; Inventory invertoy = new Inventory { InventroyItems = list.ToArray() }; string s = ""; //序列化 using (StringWriter sw = new StringWriter()) { XmlAttributes attrs = new XmlAttributes(); attrs.XmlElements.Add(new XmlElementAttribute("product1", typeof(Product))); attrs.XmlElements.Add(new XmlElementAttribute("book1", typeof(BookProduct))); XmlAttributeOverrides attrOverrides = new XmlAttributeOverrides(); attrOverrides.Add(typeof(Inventory), "InventroyItems", attrs); XmlSerializer xz = new XmlSerializer(typeof(Inventory), attrOverrides); xz.Serialize(sw, invertoy); s = sw.ToString(); } Console.WriteLine(s); // //http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> // <product1 Discount="5"> // 1 // // <book1 Discount="3"> // 1 // aaaa // // //反序列化 using (StringReader sr = new StringReader(s)) { XmlAttributes attrs = new XmlAttributes(); attrs.XmlElements.Add(new XmlElementAttribute("product1", typeof(Product))); attrs.XmlElements.Add(new XmlElementAttribute("book1", typeof(BookProduct))); XmlAttributeOverrides attrOverrides = new XmlAttributeOverrides(); attrOverrides.Add(typeof(Inventory), "InventroyItems", attrs); XmlSerializer xz = new XmlSerializer(typeof(Inventory), attrOverrides); invertoy = xz.Deserialize(sr) as Inventory; } Console.WriteLine(invertoy.InventroyItems[0].ProductID.ToString() + ", " + invertoy.InventroyItems[0].DisCount); //1, 5
void Main() { //序列化 Product product = new Product() { ProductID = 1, DisCount = 5 }; string s = UserQuery.SimpleSerializer.Serialize(product); Console.WriteLine(s); //反序列化 product = UserQuery.SimpleSerializer.Deserialize(typeof(UserQuery.Product), s); Console.WriteLine(product.ProductID.ToString() + ", " + product.DisCount); //1, 5 } public class SimpleSerializer { /// /// 序列化對象 /// /// 對象類型 /// 對象 /// public static string Serialize(T t) { using (StringWriter sw = new StringWriter()) { XmlSerializer xz = new XmlSerializer(t.GetType()); xz.Serialize(sw, t); return sw.ToString(); } } /// /// 反序列化為對象 /// /// 對象類型 /// 對象序列化后的Xml字符串 /// public static T Deserialize(Type type, string s) where T : class { using (StringReader sr = new StringReader(s)) { XmlSerializer xz = new XmlSerializer(type); return xz.Deserialize(sr) as T; } } }
基類:XmlObjectSerializer
派生類:
DataContractSerializer
NetDataContractSerializer
DataContractJsonSerializer
需要引入的程序集:
System.Runtime.Serialization.dll
System.Runtime.Serialization.Primitives.dll
//訂單類 [DataContract(Name = "order", Namespace = "http://a/order")] //[KnownType(typeof(order))] public class Order { public Order(Guid id, Product product) { this.OrderID = id; this.Product = product; } [DataMember(Name = "id", Order = 2)] public Guid OrderID { set; get; } [DataMember] public Product Product { set; get; } } //產(chǎn)品類 [DataContract(Name = "product", Namespace = "http://a/product")] //IsRequired=false,EmitDefaultValue=false public class Product { public Product(Guid id, string productArea) { this.ProductID = id; this.productArea = productArea; } [DataMember(Name = "id", Order = 1)] public Guid ProductID { set; get; } [DataMember] private string productArea { set; get; } //私有屬性也可以序列化。 }
Product product = new Product(Guid.NewGuid(), "XiaMen"); Order order = new Order(Guid.NewGuid(), product); string filename = @"C:\s.xml"; using (FileStream fs = new FileStream(filename, FileMode.Create)) { DataContractSerializer serializer = new DataContractSerializer(typeof(Order)); using (XmlDictionaryWriter writer = XmlDictionaryWriter.CreateTextWriter(fs)) { serializer.WriteObject(writer, order); } } Process.Start(filename); using (FileStream fs = new FileStream(filename, FileMode.Open)) { DataContractSerializer serializer = new DataContractSerializer(typeof(Order)); using (XmlDictionaryReader reader = XmlDictionaryReader.CreateTextReader(fs, new XmlDictionaryReaderQuotas())) { order = serializer.ReadObject(reader) as Order; } }
得到的XML內(nèi)容
<xml version="1.0" encoding="utf-8"?> <order xmlns="http://a/order" xmlns:i="http://www.w3.org/2001/XMLSchema-instance"> <Product xmlns:a="http://a/product"> <a:productArea>XiaMen</a:productArea> <a:id>d3b4c977-d052-4fd4-8f59-272e56d875a8</a:id> </Product> <id>96d0bb44-cee4-41b6-ae20-5d801c1b3dc9</id> </order>
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