C#动态生成XML

BookInfo.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace MyTest.Model
{   
/// <summary> 
/// 图书信息实体类 
/// </summary> 
public class BookInfo
    {
public int BookId { set; get; }             //图书ID 
public string Title { set; get; }           //图书名称 
public string Category { set; get; }        //图书分类 
public string Author { set; get; }          //图书作者 
public DateTime PublishDate { set; get; }   //出版时间 
public Double Price { set; get; }           //销售价格 
    }  

}

XmlHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.IO;
using System.Text;
using MyTest.Model;
using System.Xml;

namespace MyTest
{
public class XmlHelper
    {
#region 方法1：使用StringBuilder拼接XML
/// <summary> 
/// 创建图书信息XML,保存xml文件 
/// </summary> 
public void CreateBookXML(string fileName)
        {
            StringBuilder xmlResult = new StringBuilder("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
            List<BookInfo> bookList = GetBookList();    //获取图书列表 
if (bookList != null && bookList.Count > 0)
            {
                xmlResult.Append("<bookstore>");
foreach (BookInfo book in bookList)
                {
                    xmlResult.AppendFormat("<book id=\"{0}\" category=\"{1}\">", book.BookId, book.Category);
                    xmlResult.AppendFormat("<title>{0}</title>", book.Title);
                    xmlResult.AppendFormat("<author>{0}</author>", book.Author);
                    xmlResult.AppendFormat("<publishDate>{0}</publishDate>", book.PublishDate.ToString("yyyy-MM-dd"));
                    xmlResult.AppendFormat("<price>{0}</price>", book.Price);
                    xmlResult.Append("</book>");
                }
                xmlResult.Append("</bookstore>");
            }

//写入文件 
try
            {
//1.创建文件流 
                FileStream fileStream = new FileStream(fileName, FileMode.Create);
//2.创建写入器 
                StreamWriter streamWriter = new StreamWriter(fileStream);
//3.将内容写入文件 
                streamWriter.WriteLine(xmlResult);
//4.关闭写入器 
                streamWriter.Close();
//5.关闭文件流 
                fileStream.Close();
            }
catch (Exception e)
            { }
        }

/// <summary> 
/// 创建图书信息XML,返回XML字符串 
/// </summary> 
public string CreateBookXML()
        {
            StringBuilder xmlResult = new StringBuilder("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
            List<BookInfo> bookList = GetBookList();    //获取图书列表 
if (bookList != null && bookList.Count > 0)
            {
                xmlResult.Append("<bookstore>");
foreach (BookInfo book in bookList)
                {
                    xmlResult.AppendFormat("<book id=\"{0}\" category=\"{1}\">", book.BookId, book.Category);
                    xmlResult.AppendFormat("<title>{0}</title>", book.Title);
                    xmlResult.AppendFormat("<author>{0}</author>", book.Author);
                    xmlResult.AppendFormat("<publishDate>{0}</publishDate>", book.PublishDate.ToString("yyyy-MM-dd"));
                    xmlResult.AppendFormat("<price>{0}</price>", book.Price);
                    xmlResult.Append("</book>");
                }
                xmlResult.Append("</bookstore>");
            }

return xmlResult.ToString();

        } 
#endregion

#region 方法2：使用XmlTextWriter类创建XML
/// <summary> 
/// 创建图书信息XML
/// </summary> 
/// <param name="fileName"></param> 
public void CreateBookXMLOther(string fileName)
        {
try
            {
                FileStream fileStream = new FileStream(fileName, FileMode.Create);
                XmlTextWriter writer = new XmlTextWriter(fileStream, Encoding.UTF8);
                List<BookInfo> bookList = GetBookList();    //获取图书列表 
if (bookList != null && bookList.Count > 0)
                {
                    writer.WriteStartDocument();
                    writer.WriteStartElement("bookstore");    //创建父节点 
foreach (BookInfo book in bookList)
                    {
                        writer.WriteStartElement("book");    //创建子节点 
                        writer.WriteAttributeString("id", book.BookId.ToString());    //添加属性 
                        writer.WriteAttributeString("category", book.Category);
//图书名称节点 
                        writer.WriteStartElement("title");
                        writer.WriteValue(book.Title);    //节点赋值 
                        writer.WriteEndElement();
//图书作者节点 
                        writer.WriteStartElement("author");
                        writer.WriteValue(book.Author);
                        writer.WriteEndElement();
//出版时间节点 
                        writer.WriteStartElement("publishDate");
                        writer.WriteValue(book.PublishDate.ToString("yyyy-MM-dd"));
                        writer.WriteEndElement();
//销售价格节点 
                        writer.WriteStartElement("price");
                        writer.WriteValue(book.Price);
                        writer.WriteEndElement();

                        writer.WriteEndElement();    //子节点结束 
                    }
                    writer.WriteEndElement();    //父节点结束 
                }
                writer.WriteEndDocument();
                writer.Close();
                fileStream.Close();
            }
catch (Exception e)
            { }
        }   
#endregion

/// <summary> 
/// 获取图书列表,添加模拟数据 
/// </summary> 
/// <returns></returns> 
public List<BookInfo> GetBookList()
        {
            List<BookInfo> bookList = new List<BookInfo>();
            BookInfo book1 = new BookInfo()
            {
                BookId = 1,
                Category = "CHILDREN",
                Title = "H哈利波特",
                Author = "J K.罗琳",
                PublishDate = new DateTime(2005, 08, 15),
                Price = 29.99
            };
            bookList.Add(book1);
            BookInfo book2 = new BookInfo()
            {
                BookId = 2,
                Category = "WEB",
                Title = "学习XML",
                Author = "艾瑞克.雷",
                PublishDate = new DateTime(2003, 10, 18),
                Price = 39.95
            };
            bookList.Add(book2);
return bookList;
        }  
    }
}

Index.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;

namespace MyTest
{
public partial class Index : System.Web.UI.Page
    {
protected void Page_Load(object sender, EventArgs e)
        {
//string path = Server.MapPath("~/file/webinfo.xml");
string xmlStr= new XmlHelper().CreateBookXML();

            Response.ContentType = "text/xml";
            Response.Charset = "UTF-8";
            Response.Write(xmlStr);
            Response.End();   
        }


    }
}

运行结果如图:

---

UnifiedOrder.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace MyTest.WechatModel
{
/// <summary>
/// 微信统一接口请求实体对象
/// </summary>
    [Serializable]
public class UnifiedOrder
    {
/// <summary>
/// 公共号ID(微信分配的公众账号 ID)
/// </summary>
public string appid = "";
/// <summary>
/// 商户号(微信支付分配的商户号)
/// </summary>
public string mch_id = "";
/// <summary>
/// 微信支付分配的终端设备号
/// </summary>
public string device_info = "";
/// <summary>
/// 随机字符串，不长于 32 位
/// </summary>
public string nonce_str = "";
/// <summary>
/// 签名
/// </summary>
public string sign = "";
/// <summary>
/// 商品描述
/// </summary>
public string body = "";
/// <summary>
/// 附加数据，原样返回
/// </summary>
public string attach = "";
/// <summary>
/// 商户系统内部的订单号,32个字符内、可包含字母,确保在商户系统唯一,详细说明
/// </summary>
public string out_trade_no = "";
/// <summary>
/// 订单总金额，单位为分，不能带小数点
/// </summary>
public int total_fee = 0;
/// <summary>
/// 终端IP
/// </summary>
public string spbill_create_ip = "";
/// <summary>
/// 订 单 生 成 时 间 ， 格 式 为yyyyMMddHHmmss，如 2009 年12 月 25 日 9 点 10 分 10 秒表示为 20091225091010。时区为 GMT+8 beijing。该时间取自商户服务器
/// </summary>
public string time_start = "";
/// <summary>
/// 交易结束时间
/// </summary>
public string time_expire = "";
/// <summary>
/// 商品标记 商品标记，该字段不能随便填，不使用请填空，使用说明详见第 5 节
/// </summary>
public string goods_tag = "";
/// <summary>
/// 接收微信支付成功通知
/// </summary>
public string notify_url = "";
/// <summary>
/// JSAPI、NATIVE、APP
/// </summary>
public string trade_type = "";
/// <summary>
/// 用户标识 trade_type 为 JSAPI时，此参数必传
/// </summary>
public string openid = "";
/// <summary>
/// 只在 trade_type 为 NATIVE时需要填写。
/// </summary>
public string product_id = "";
    }
}

QueryOrder.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace MyTest.WechatModel
{
/// <summary>
/// 微信订单查询接口请求实体对象
/// </summary>
    [Serializable]
public class QueryOrder
    {
/// <summary>
/// 公共号ID(微信分配的公众账号 ID)
/// </summary>
public string appid = "";

/// <summary>
/// 商户号(微信支付分配的商户号)
/// </summary>
public string mch_id = "";

/// <summary>
/// 微信订单号，优先使用
/// </summary>
public string transaction_id = "";

/// <summary>
/// 商户系统内部订单号
/// </summary>
public string out_trade_no = "";

/// <summary>
/// 随机字符串，不长于 32 位
/// </summary>
public string nonce_str = "";

/// <summary>
/// 签名，参与签名参数：appid，mch_id，transaction_id，out_trade_no，nonce_str，key
/// </summary>
public string sign = "";
    }
}

OrderDetail.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace MyTest.WechatModel
{
/// <summary>
/// 微信订单明细实体对象
/// </summary>
    [Serializable]
public class OrderDetail
    {
/// <summary>
/// 返回状态码，SUCCESS/FAIL 此字段是通信标识，非交易标识，交易是否成功需要查看trade_state来判断
/// </summary>
public string return_code = "";

/// <summary>
/// 返回信息返回信息，如非空，为错误原因 签名失败 参数格式校验错误
/// </summary>
public string return_msg = "";

/// <summary>
/// 公共号ID(微信分配的公众账号 ID)
/// </summary>
public string appid = "";

/// <summary>
/// 商户号(微信支付分配的商户号)
/// </summary>
public string mch_id = "";

/// <summary>
/// 随机字符串，不长于32位
/// </summary>
public string nonce_str = "";

/// <summary>
/// 签名
/// </summary>
public string sign = "";

/// <summary>
/// 业务结果,SUCCESS/FAIL
/// </summary>
public string result_code = "";

/// <summary>
/// 错误代码
/// </summary>
public string err_code = "";

/// <summary>
/// 错误代码描述
/// </summary>
public string err_code_des = "";

/// <summary>
/// 交易状态
///SUCCESS—支付成功
///REFUND—转入退款
///NOTPAY—未支付
///CLOSED—已关闭
///REVOKED—已撤销
///USERPAYING--用户支付中
///NOPAY--未支付(输入密码或确认支付超时) PAYERROR--支付失败(其他原因，如银行返回失败)
/// </summary>
public string trade_state = "";

/// <summary>
/// 微信支付分配的终端设备号
/// </summary>
public string device_info = "";

/// <summary>
/// 用户在商户appid下的唯一标识
/// </summary>
public string openid = "";

/// <summary>
/// 用户是否关注公众账号，Y-关注，N-未关注，仅在公众账号类型支付有效
/// </summary>
public string is_subscribe = "";

/// <summary>
/// 交易类型,JSAPI、NATIVE、MICROPAY、APP
/// </summary>
public string trade_type = "";

/// <summary>
/// 银行类型，采用字符串类型的银行标识
/// </summary>
public string bank_type = "";

/// <summary>
/// 订单总金额，单位为分
/// </summary>
public string total_fee = "";

/// <summary>
/// 现金券支付金额<=订单总金额，订单总金额-现金券金额为现金支付金额
 /// </summary>
public string coupon_fee = "";

/// <summary>
/// 货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY
/// </summary>
public string fee_type = "";

/// <summary>
/// 微信支付订单号
/// </summary>
public string transaction_id = "";

/// <summary>
/// 商户系统的订单号，与请求一致。
/// </summary>
public string out_trade_no = "";

/// <summary>
/// 商家数据包，原样返回
/// </summary>
public string attach = "";

/// <summary>
/// 支付完成时间，格式为yyyyMMddhhmmss，如2009年12月27日9点10分10秒表示为20091227091010。
/// 时区为GMT+8 beijing。该时间取自微信支付服务器
/// </summary>
public string time_end = "";

    }
}

EnterParam.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace MyTest.WechatModel
{
/// <summary>
/// 微信接入参数
/// </summary>
public class EnterParam
    {
/// <summary>
/// 是否加密
/// </summary>
public bool IsAes { get; set; }
/// <summary>
/// 接入token
/// </summary>
public string token { get; set; }
/// <summary>
///微信appid
/// </summary>
public string appid { get; set; }
/// <summary>
/// 加密密钥
/// </summary>
public string EncodingAESKey { get; set; }
    }
}

WechatXmlHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.IO;
using System.Text;
using MyTest.Model;
using System.Xml;
using System.Collections;
using MyTest.WechatModel;

namespace MyTest
{
 public class WechatXmlHelper
 {
 /// <summary>
 /// 微信统一下单接口xml参数整理
 /// </summary>
 /// <param name="order">微信支付参数实例</param>
 /// <param name="key">密钥</param>
 /// <returns></returns>
 protected string getUnifiedOrderXml(UnifiedOrder order, string key)
 {
 string return_string = string.Empty;
 SortedDictionary<string, string> sParams = new SortedDictionary<string, string>();
 sParams.Add("appid", order.appid);
 sParams.Add("attach", order.attach);
 sParams.Add("body", order.body);
 sParams.Add("device_info", order.device_info);
 sParams.Add("mch_id", order.mch_id);
 sParams.Add("nonce_str", order.nonce_str);
 sParams.Add("notify_url", order.notify_url);
 sParams.Add("openid", order.openid);
 sParams.Add("out_trade_no", order.out_trade_no);
 sParams.Add("spbill_create_ip", order.spbill_create_ip);
 sParams.Add("total_fee", order.total_fee.ToString());
 sParams.Add("trade_type", order.trade_type);
 order.sign = "0ca175b9c0f726a831d895e269332461"; //getsign(sParams, key);
 sParams.Add("sign", order.sign);

 //拼接成XML请求数据
 StringBuilder sbPay = new StringBuilder();
 foreach (KeyValuePair<string, string> k in sParams)
 {
 if (k.Key == "attach" || k.Key == "body" || k.Key == "sign")
 {
 sbPay.Append("<" + k.Key + "><![CDATA[" + k.Value + "]]></" + k.Key + ">");
 }
 else
 {
 sbPay.Append("<" + k.Key + ">" + k.Value + "</" + k.Key + ">");
 }
 }
 return_string = string.Format("<xml>{0}</xml>", sbPay.ToString());
 byte[] byteArray = Encoding.UTF8.GetBytes(return_string);
 return_string = Encoding.GetEncoding("GBK").GetString(byteArray);
 return return_string;

 }

 /// <summary>
 /// 微信订单查询接口XML参数整理
 /// </summary>
 /// <param name="queryorder">微信订单查询参数实例</param>
 /// <param name="key">密钥</param>
 /// <returns></returns>
 protected string getQueryOrderXml(QueryOrder queryorder, string key)
 {
 string return_string = string.Empty;
 SortedDictionary<string, string> sParams = new SortedDictionary<string, string>();
 sParams.Add("appid", queryorder.appid);
 sParams.Add("mch_id", queryorder.mch_id);
 sParams.Add("transaction_id", queryorder.transaction_id);
 sParams.Add("out_trade_no", queryorder.out_trade_no);
 sParams.Add("nonce_str", queryorder.nonce_str);
 queryorder.sign = "0ca175b9c0f726a831d895e269332461"; //getsign(sParams, key);
 sParams.Add("sign", queryorder.sign);

 //拼接成XML请求数据
 StringBuilder sbPay = new StringBuilder();
 foreach (KeyValuePair<string, string> k in sParams)
 {
 if (k.Key == "attach" || k.Key == "body" || k.Key == "sign")
 {
 sbPay.Append("<" + k.Key + "><![CDATA[" + k.Value + "]]></" + k.Key + ">");
 }
 else
 {
 sbPay.Append("<" + k.Key + ">" + k.Value + "</" + k.Key + ">");
 }
 }
 return_string = string.Format("<xml>{0}</xml>", sbPay.ToString().TrimEnd(','));
 return return_string;
 }


 //输出XML
 public string parseXML(Hashtable hashT)
 {
 Hashtable parameters = hashT;
 StringBuilder sb = new StringBuilder();
 sb.Append("<xml>");
 int iIsNumber = 0;
 foreach (string k in parameters.Keys)
 {
 string v = (string)parameters[k];
 if (int.TryParse(v, out iIsNumber))
 {
 sb.Append("<" + k + ">" + v + "</" + k + ">");
 }
 else
 {
 sb.Append("<" + k + "><![CDATA[" + v + "]]></" + k + ">");
 }
 }
 sb.Append("</xml>");
 return sb.ToString();
 }


 /// <summary>
 /// 返回微信POST过来的结果(微信信息返回)
 /// </summary>
 /// <param name="weixinXML">微信服务器post过来的数据</param>
 private string ResponseMsg(string weixinXML)
 {
 Hashtable ht = new Hashtable(); //GetXmlName(weixinXML);

 //这里写你的返回信息代码
 StringBuilder sb = new StringBuilder();
 sb.Append("<xml>");
 sb.Append("<ToUserName><![CDATA[" + ht["FromUserName"].ToString() + "]]></ToUserName>");
 sb.Append("<FromUserName><![CDATA[" + ht["ToUserName"].ToString() + "]]></FromUserName>");
 sb.Append("<CreateTime>" + ht["CreateTime"].ToString() + "</CreateTime>");

 sb.Append("<MsgType><![CDATA[" + ht["MsgType"].ToString() + "]]></MsgType>");
 sb.Append("<Content><![CDATA[" + ht["Content"].ToString() + "]]></Content>");
 sb.Append("</xml>");
 return sb.ToString();
 }


 /// <summary>
 /// 开发者微信号
 /// </summary>
 public string ToUserName { get; set; }
 /// <summary>
 /// 发送方帐号（一个OpenID）
 /// </summary>
 public string FromUserName { get; set; }
 /// <summary>
 /// 消息创建时间 （整型）
 /// </summary>
 public string CreateTime { get; set; }

 /// <summary>
 /// 消息类型
 /// </summary>
 //public MsgType MsgType { get; set; }
 //public void ResText(EnterParam param, string content)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.AppendFormat("<MsgType><![CDATA[text]]></MsgType><Content><![CDATA[{0}]]></Content><FuncFlag>0</FuncFlag></xml>", content);

 //}

 /// <summary>
 /// 回复消息(音乐)
 /// </summary>
 //public void ResMusic(EnterParam param, Music mu)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.Append(" <MsgType><![CDATA[music]]></MsgType>");
 // resxml.AppendFormat("<Music><Title><![CDATA[{0}]]></Title><Description><![CDATA[{1}]]></Description>", mu.Title, mu.Description);
 // resxml.AppendFormat("<MusicUrl><![CDATA[http://{0}{1}]]></MusicUrl><HQMusicUrl><![CDATA[http://{2}{3}]]></HQMusicUrl></Music><FuncFlag>0</FuncFlag></xml>", VqiRequest.GetCurrentFullHost(), mu.MusicUrl, VqiRequest.GetCurrentFullHost(), mu.HQMusicUrl);

 //}


 //public void ResVideo(EnterParam param, Video v)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.Append(" <MsgType><![CDATA[video]]></MsgType>");
 // resxml.AppendFormat("<Video><MediaId><![CDATA[{0}]]></MediaId>", v.media_id);
 // resxml.AppendFormat("<Title><![CDATA[{0}]]></Title>", v.title);
 // resxml.AppendFormat("<Description><![CDATA[{0}]]></Description></Video></xml>", v.description);

 //}

 /// <summary>
 /// 回复消息(图片)
 /// </summary>
 //public void ResPicture(EnterParam param, Picture pic, string domain)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.Append(" <MsgType><![CDATA[image]]></MsgType>");
 // resxml.AppendFormat("<PicUrl><![CDATA[{0}]]></PicUrl></xml>", domain + pic.PictureUrl);

 //}

 /// <summary>
 /// 回复消息（图文列表）
 /// </summary>
 /// <param name="param"></param>
 /// <param name="art"></param>
 //public void ResArticles(EnterParam param, List<Articles> art)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.AppendFormat("<MsgType><![CDATA[news]]></MsgType><ArticleCount>{0}</ArticleCount><Articles>", art.Count);
 // for (int i = 0; i < art.Count; i++)
 // {
 // resxml.AppendFormat("<item><Title><![CDATA[{0}]]></Title> <Description><![CDATA[{1}]]></Description>", art[i].Title, art[i].Description);
 // resxml.AppendFormat("<PicUrl><![CDATA[{0}]]></PicUrl><Url><![CDATA[{1}]]></Url></item>", art[i].PicUrl.Contains("http://") ? art[i].PicUrl : "http://" + VqiRequest.GetCurrentFullHost() + art[i].PicUrl, art[i].Url.Contains("http://") ? art[i].Url : "http://" + VqiRequest.GetCurrentFullHost() + art[i].Url);
 // }
 // resxml.Append("</Articles><FuncFlag>0</FuncFlag></xml>");

 //}
 }
}using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.IO;
using System.Text;
using MyTest.Model;
using System.Xml;
using System.Collections;
using MyTest.WechatModel;

namespace MyTest
{
 public class WechatXmlHelper
 {
 /// <summary>
 /// 微信统一下单接口xml参数整理
 /// </summary>
 /// <param name="order">微信支付参数实例</param>
 /// <param name="key">密钥</param>
 /// <returns></returns>
 protected string getUnifiedOrderXml(UnifiedOrder order, string key)
 {
 string return_string = string.Empty;
 SortedDictionary<string, string> sParams = new SortedDictionary<string, string>();
 sParams.Add("appid", order.appid);
 sParams.Add("attach", order.attach);
 sParams.Add("body", order.body);
 sParams.Add("device_info", order.device_info);
 sParams.Add("mch_id", order.mch_id);
 sParams.Add("nonce_str", order.nonce_str);
 sParams.Add("notify_url", order.notify_url);
 sParams.Add("openid", order.openid);
 sParams.Add("out_trade_no", order.out_trade_no);
 sParams.Add("spbill_create_ip", order.spbill_create_ip);
 sParams.Add("total_fee", order.total_fee.ToString());
 sParams.Add("trade_type", order.trade_type);
 order.sign = "0ca175b9c0f726a831d895e269332461"; //getsign(sParams, key);
 sParams.Add("sign", order.sign);

 //拼接成XML请求数据
 StringBuilder sbPay = new StringBuilder();
 foreach (KeyValuePair<string, string> k in sParams)
 {
 if (k.Key == "attach" || k.Key == "body" || k.Key == "sign")
 {
 sbPay.Append("<" + k.Key + "><![CDATA[" + k.Value + "]]></" + k.Key + ">");
 }
 else
 {
 sbPay.Append("<" + k.Key + ">" + k.Value + "</" + k.Key + ">");
 }
 }
 return_string = string.Format("<xml>{0}</xml>", sbPay.ToString());
 byte[] byteArray = Encoding.UTF8.GetBytes(return_string);
 return_string = Encoding.GetEncoding("GBK").GetString(byteArray);
 return return_string;

 }

 /// <summary>
 /// 微信订单查询接口XML参数整理
 /// </summary>
 /// <param name="queryorder">微信订单查询参数实例</param>
 /// <param name="key">密钥</param>
 /// <returns></returns>
 protected string getQueryOrderXml(QueryOrder queryorder, string key)
 {
 string return_string = string.Empty;
 SortedDictionary<string, string> sParams = new SortedDictionary<string, string>();
 sParams.Add("appid", queryorder.appid);
 sParams.Add("mch_id", queryorder.mch_id);
 sParams.Add("transaction_id", queryorder.transaction_id);
 sParams.Add("out_trade_no", queryorder.out_trade_no);
 sParams.Add("nonce_str", queryorder.nonce_str);
 queryorder.sign = "0ca175b9c0f726a831d895e269332461"; //getsign(sParams, key);
 sParams.Add("sign", queryorder.sign);

 //拼接成XML请求数据
 StringBuilder sbPay = new StringBuilder();
 foreach (KeyValuePair<string, string> k in sParams)
 {
 if (k.Key == "attach" || k.Key == "body" || k.Key == "sign")
 {
 sbPay.Append("<" + k.Key + "><![CDATA[" + k.Value + "]]></" + k.Key + ">");
 }
 else
 {
 sbPay.Append("<" + k.Key + ">" + k.Value + "</" + k.Key + ">");
 }
 }
 return_string = string.Format("<xml>{0}</xml>", sbPay.ToString().TrimEnd(','));
 return return_string;
 }


 //输出XML
 public string parseXML(Hashtable hashT)
 {
 Hashtable parameters = hashT;
 StringBuilder sb = new StringBuilder();
 sb.Append("<xml>");
 int iIsNumber = 0;
 foreach (string k in parameters.Keys)
 {
 string v = (string)parameters[k];
 if (int.TryParse(v, out iIsNumber))
 {
 sb.Append("<" + k + ">" + v + "</" + k + ">");
 }
 else
 {
 sb.Append("<" + k + "><![CDATA[" + v + "]]></" + k + ">");
 }
 }
 sb.Append("</xml>");
 return sb.ToString();
 }


 /// <summary>
 /// 返回微信POST过来的结果(微信信息返回)
 /// </summary>
 /// <param name="weixinXML">微信服务器post过来的数据</param>
 private string ResponseMsg(string weixinXML)
 {
 Hashtable ht = new Hashtable(); //GetXmlName(weixinXML);

 //这里写你的返回信息代码
 StringBuilder sb = new StringBuilder();
 sb.Append("<xml>");
 sb.Append("<ToUserName><![CDATA[" + ht["FromUserName"].ToString() + "]]></ToUserName>");
 sb.Append("<FromUserName><![CDATA[" + ht["ToUserName"].ToString() + "]]></FromUserName>");
 sb.Append("<CreateTime>" + ht["CreateTime"].ToString() + "</CreateTime>");

 sb.Append("<MsgType><![CDATA[" + ht["MsgType"].ToString() + "]]></MsgType>");
 sb.Append("<Content><![CDATA[" + ht["Content"].ToString() + "]]></Content>");
 sb.Append("</xml>");
 return sb.ToString();
 }


 /// <summary>
 /// 开发者微信号
 /// </summary>
 public string ToUserName { get; set; }
 /// <summary>
 /// 发送方帐号（一个OpenID）
 /// </summary>
 public string FromUserName { get; set; }
 /// <summary>
 /// 消息创建时间 （整型）
 /// </summary>
 public string CreateTime { get; set; }

 /// <summary>
 /// 消息类型
 /// </summary>
 //public MsgType MsgType { get; set; }
 //public void ResText(EnterParam param, string content)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.AppendFormat("<MsgType><![CDATA[text]]></MsgType><Content><![CDATA[{0}]]></Content><FuncFlag>0</FuncFlag></xml>", content);

 //}

 /// <summary>
 /// 回复消息(音乐)
 /// </summary>
 //public void ResMusic(EnterParam param, Music mu)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.Append(" <MsgType><![CDATA[music]]></MsgType>");
 // resxml.AppendFormat("<Music><Title><![CDATA[{0}]]></Title><Description><![CDATA[{1}]]></Description>", mu.Title, mu.Description);
 // resxml.AppendFormat("<MusicUrl><![CDATA[http://{0}{1}]]></MusicUrl><HQMusicUrl><![CDATA[http://{2}{3}]]></HQMusicUrl></Music><FuncFlag>0</FuncFlag></xml>", VqiRequest.GetCurrentFullHost(), mu.MusicUrl, VqiRequest.GetCurrentFullHost(), mu.HQMusicUrl);

 //}


 //public void ResVideo(EnterParam param, Video v)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.Append(" <MsgType><![CDATA[video]]></MsgType>");
 // resxml.AppendFormat("<Video><MediaId><![CDATA[{0}]]></MediaId>", v.media_id);
 // resxml.AppendFormat("<Title><![CDATA[{0}]]></Title>", v.title);
 // resxml.AppendFormat("<Description><![CDATA[{0}]]></Description></Video></xml>", v.description);

 //}

 /// <summary>
 /// 回复消息(图片)
 /// </summary>
 //public void ResPicture(EnterParam param, Picture pic, string domain)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.Append(" <MsgType><![CDATA[image]]></MsgType>");
 // resxml.AppendFormat("<PicUrl><![CDATA[{0}]]></PicUrl></xml>", domain + pic.PictureUrl);

 //}

 /// <summary>
 /// 回复消息（图文列表）
 /// </summary>
 /// <param name="param"></param>
 /// <param name="art"></param>
 //public void ResArticles(EnterParam param, List<Articles> art)
 //{
 // StringBuilder resxml = new StringBuilder(string.Format("<xml><ToUserName><![CDATA[{0}]]></ToUserName><FromUserName><![CDATA[{1}]]></FromUserName><CreateTime>{2}</CreateTime>", FromUserName, ToUserName, Utils.ConvertDateTimeInt(DateTime.Now)));
 // resxml.AppendFormat("<MsgType><![CDATA[news]]></MsgType><ArticleCount>{0}</ArticleCount><Articles>", art.Count);
 // for (int i = 0; i < art.Count; i++)
 // {
 // resxml.AppendFormat("<item><Title><![CDATA[{0}]]></Title> <Description><![CDATA[{1}]]></Description>", art[i].Title, art[i].Description);
 // resxml.AppendFormat("<PicUrl><![CDATA[{0}]]></PicUrl><Url><![CDATA[{1}]]></Url></item>", art[i].PicUrl.Contains("http://") ? art[i].PicUrl : "http://" + VqiRequest.GetCurrentFullHost() + art[i].PicUrl, art[i].Url.Contains("http://") ? art[i].Url : "http://" + VqiRequest.GetCurrentFullHost() + art[i].Url);
 // }
 // resxml.Append("</Articles><FuncFlag>0</FuncFlag></xml>");

 //}
 }
}

WechatXml.aspx.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;

namespace MyTest
{
    public partial class WechatXml : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            Hashtable ht = new Hashtable();
            ht.Add("Name", "wu");
            ht.Add("Age", "27");
            ht.Add("Country", "American");
            ht.Add("Job", "NET高级开发");
            ht.Add("Interesting", "电影，书籍");


            WechatXmlHelper helper = new WechatXmlHelper();
            string xmlStr = helper.parseXML(ht);
            Response.ContentType = "text/xml";
            Response.Charset = "UTF-8";
            Response.Write(xmlStr);
            Response.End(); 
        }
    }
}

运行结果如图: