// WriteStartDocument方法可以接受一個(gè)bool參數(shù)（表示standalone，是否為獨(dú)立文檔）或者不指定參數(shù)standalone保持默認(rèn)值
xmlWriter.WriteStartDocument(false|true);

//寫節(jié)點(diǎn)
xmlWriter.WriteStartElement("cat");
//給節(jié)點(diǎn)添加屬性
xmlWriter.WriteAttributeString("color", "white");
//給節(jié)點(diǎn)內(nèi)部添加文本
xmlWriter.WriteString("I'm a cat");
xmlWriter.WriteEndElement();

//通過WriteElementString可以添加一個(gè)節(jié)點(diǎn)同時(shí)添加節(jié)點(diǎn)內(nèi)容
xmlWriter.WriteElementString("pig", "pig is great");

xmlWriter.WriteStartElement("dog");
//寫CData
xmlWriter.WriteCData("<strong>dog is dog</strong>");
xmlWriter.WriteEndElement();

xmlWriter.WriteComment("this is an example writed by http://www.dbjr.com.cn ");

XmlWriterSettings settings = new XmlWriterSettings();
//要求縮進(jìn)
settings.Indent = true;
//注意如果不設(shè)置encoding默認(rèn)將輸出utf-16
//注意這兒不能直接用Encoding.UTF8如果用Encoding.UTF8將在輸出文本的最前面添加4個(gè)字節(jié)的非xml內(nèi)容
settings.Encoding = new UTF8Encoding(false);

//設(shè)置換行符
settings.NewLineChars = Environment.NewLine;

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Xml;

namespace UseXmlWriter
{
    class Program
    {
        static void Main(string[] args)
        {
            using (MemoryStream ms = new MemoryStream())
            {
                XmlWriterSettings settings = new XmlWriterSettings();
                //要求縮進(jìn)
                settings.Indent = true;
                //注意如果不設(shè)置encoding默認(rèn)將輸出utf-16
                //注意這兒不能直接用Encoding.UTF8如果用Encoding.UTF8將在輸出文本的最前面添加4個(gè)字節(jié)的非xml內(nèi)容
                settings.Encoding = new UTF8Encoding(false);

                //設(shè)置換行符
                settings.NewLineChars = Environment.NewLine;

                using (XmlWriter xmlWriter = XmlWriter.Create(ms, settings))
                {

                    //寫xml文件開始<?xml version="1.0" encoding="utf-8" ?>
                    xmlWriter.WriteStartDocument(false);
                    //寫根節(jié)點(diǎn)
                    xmlWriter.WriteStartElement("root");
                    //寫字節(jié)點(diǎn)
                    xmlWriter.WriteStartElement("cat");
                    //給節(jié)點(diǎn)添加屬性
                    xmlWriter.WriteAttributeString("color", "white");
                    //給節(jié)點(diǎn)內(nèi)部添加文本
                    xmlWriter.WriteString("I'm a cat");
                    xmlWriter.WriteEndElement();

 
                    //通過WriteElementString可以添加一個(gè)節(jié)點(diǎn)同時(shí)添加節(jié)點(diǎn)內(nèi)容
                    xmlWriter.WriteElementString("pig", "pig is great");

 
                    xmlWriter.WriteStartElement("dog");
                    //寫CData
                    xmlWriter.WriteCData("<strong>dog is dog</strong>");
                    xmlWriter.WriteEndElement();

                    xmlWriter.WriteComment("this is an example writed by  http://www.dbjr.com.cn ");

                    xmlWriter.WriteEndElement();
                    xmlWriter.WriteEndDocument();

                }

                //將xml內(nèi)容輸出到控制臺(tái)中
                string xml = Encoding.UTF8.GetString(ms.ToArray());
                Console.WriteLine(xml);
            }
            Console.Read();

        }
    }
}