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            C++ Programmer's Cookbook
            

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{C#基礎}






            
			
            
				
					
	
            
		
            
			c# 生成 xml 文件
		
            
		
            方法一:
            using?System;
            using?System.Xml;
            using?System.IO;
            using?System.Text;

            public?class?ReadWriteXml?
            {

            ????            private?static?void?Main()?
            ????            {

            ????????            //?Create?the?file?and?writer.
            ????????FileStream?fs?=?new?FileStream("products.xml",?FileMode.Create);
            ????????XmlTextWriter?w?            =?new?XmlTextWriter(fs,?Encoding.UTF8);

            ????????            //?Start?the?document.
            ????????w.WriteStartDocument();
            ????????w.WriteStartElement(            "products");

            ????????            //?Write?a?product.
            ????????w.WriteStartElement("product");
            ????????w.WriteAttributeString(            "id",?"1001");
            ????????w.WriteElementString(            "productName",?"Gourmet?Coffee");
            ????????w.WriteElementString(            "productPrice",?"0.99");
            ????????w.WriteEndElement();

            ????????            //?Write?another?product.
            ????????w.WriteStartElement("product");
            ????????w.WriteAttributeString(            "id",?"1002");
            ????????w.WriteElementString(            "productName",?"Blue?China?Tea?Pot");
            ????????w.WriteElementString(            "productPrice",?"102.99");
            ????????w.WriteEndElement();

            ????????            //?End?the?document.
            ????????w.WriteEndElement();
            ????????w.WriteEndDocument();
            ????????w.Flush();
            ????????fs.Close();

            ????????Console.WriteLine(            "Document?created.?"?+
            ????????????            "Press?Enter?to?read?the?document.");
            ????????Console.ReadLine();

            ????????fs?            =?new?FileStream("products.xml",?FileMode.Open);
            ????????XmlTextReader?r?            =?new?XmlTextReader(fs);

            ????????            //?Read?all?nodes.
            ????????while?(r.Read())?
            ????????            {
            ?
            ????????????            if?(r.NodeType?==?XmlNodeType.Element)?
            ????????????            {

            ????????????????Console.WriteLine();
            ????????????????Console.WriteLine(            "<"?+?r.Name?+?">");

            ????????????????            if?(r.HasAttributes)?
            ????????????????            {

            ????????????????????            for?(int?i?=?0;?i?<?r.AttributeCount;?i++)?
            ????????????????????            {
            ????????????????????????Console.WriteLine(            "\tATTRIBUTE:?"?+
            ????????????????????????????r.GetAttribute(i));
            ????????????????????}
            ????????????????}
            ????????????}
            ????????????            else?if?(r.NodeType?==?XmlNodeType.Text)?
            ????????????            {
            ????????????????Console.WriteLine(            "\tVALUE:?"?+?r.Value);
            ????????????}
            ????????}
            ????????Console.ReadLine();
            ????}
            }

            方法二:
            ?1using?System;
            ?2using?System.Xml;
            ?3
            ?4public?class?GenerateXml?
            ?5{
            ?6
            ?7????private?static?void?Main()?
            ?8????{
            ?9
            10????????//?Create?a?new,?empty?document.
            11????????XmlDocument?doc?=?new?XmlDocument();
            12????????XmlNode?docNode?=?doc.CreateXmlDeclaration("1.0",?"UTF-8",?null);
            13????????doc.AppendChild(docNode);
            14
            15????????//?Create?and?insert?a?new?element.
            16????????XmlNode?productsNode?=?doc.CreateElement("products");
            17????????doc.AppendChild(productsNode);
            18
            19????????//?Create?a?nested?element?(with?an?attribute).
            20????????XmlNode?productNode?=?doc.CreateElement("product");
            21????????XmlAttribute?productAttribute?=?doc.CreateAttribute("id");
            22????????productAttribute.Value?=?"1001";
            23????????productNode.Attributes.Append(productAttribute);
            24????????productsNode.AppendChild(productNode);
            25
            26????????//?Create?and?add?the?sub-elements?for?this?product?node
            27????????//?(with?contained?text?data).
            28????????XmlNode?nameNode?=?doc.CreateElement("productName");
            29????????nameNode.AppendChild(doc.CreateTextNode("Gourmet?Coffee"));
            30????????productNode.AppendChild(nameNode);
            31????????XmlNode?priceNode?=?doc.CreateElement("productPrice");
            32????????priceNode.AppendChild(doc.CreateTextNode("0.99"));
            33????????productNode.AppendChild(priceNode);
            34
            35????????//?Create?and?add?another?product?node.
            36????????productNode?=?doc.CreateElement("product");
            37????????productAttribute?=?doc.CreateAttribute("id");
            38????????productAttribute.Value?=?"1002";
            39????????productNode.Attributes.Append(productAttribute);
            40????????productsNode.AppendChild(productNode);
            41????????nameNode?=?doc.CreateElement("productName");
            42????????nameNode.AppendChild(doc.CreateTextNode("Blue?China?Tea?Pot"));
            43????????productNode.AppendChild(nameNode);
            44????????priceNode?=?doc.CreateElement("productPrice");
            45????????priceNode.AppendChild(doc.CreateTextNode("102.99"));
            46????????productNode.AppendChild(priceNode);
            47
            48????????//?Save?the?document?(to?the?Console?window?rather?than?a?file).
            49????????doc.Save(Console.Out);
            50????????Console.ReadLine();
            51????}
            52}
            53
            
		
            
			posted on 2006-03-23 17:26 夢在天涯 閱讀(1953) 評論(0)  編輯 收藏 引用  所屬分類: C#/.NET 
		
            
	
            
	
	


	


            
	    
    




            






            

				
			
            
			
            
				
					

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