急救：http协议post方式传xml数据流，怎样解析后返回数据流？

fwiw12 2009-03-31 12:47:01

请假各位大师：我对xml不入门，想知道asp.net（c#）下怎么开发关于xml数据流解析的问题，最好能给代码示例学习，十分感谢！

我想实现的是：
A方以http协议的方式将xml信息post给B方的server端，

<nameid id='aa'>

  <v1>000</v1> 

  <w2>

    <t1 >1234567890</t1>

  </w2>

</nameid>

B方的server端接到此xml后，解析出t1的值1234567890，并返回给A方一些xml格式的数据，

<ok id='b1'>

  <h>kkk1</h>

</ok>

<ok id='b2'>

  <h>kkk2</h>

</ok>

请问：我作为B方，在.net（c#）下应该开发哪些内容？最好能给详细的示例代码学习，再次感谢！

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lfywy 2009-03-31

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给你个示例代码：



using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.IO;

using System.Xml;

using System.Xml.XPath;



public partial class NewReports_CZWSINOUT_Report_CGKSaveData : System.Web.UI.Page

{

    protected string[,] data;

    protected string[] data1;

    protected string[] data2;

    protected string[] data0;

    protected int item;

    protected string connstr;

    protected int version = 0;

    protected void Page_Load(object sender, EventArgs e)

    {

        connstr = System.Configuration.ConfigurationSettings.AppSettings["sql2005"];

        if (!IsPostBack)

        {

            GetXMLInfo();

        }

    }



    /// <summary>

    /// 得到传来的XML信息

    /// </summary>

    private void GetXMLInfo()

    {

        //取得XML文件

        Response.Expires = -1000;

        XmlDocument xmlDoc = new XmlDocument();

        xmlDoc.Load(Request.InputStream);

        //xmlDoc.Save(Server.MapPath(".\\DataSaved6.xml"));

        //xmlDoc.Load(Server.MapPath(".\\DataSaved6.xml"));

        //解析返回的XML文件

        XmlNodeList xmlList = xmlDoc.SelectSingleNode("bqTree").ChildNodes;

        int max = (new SqlDataAccess(connstr)).GetMaxValue("SELECT version FROM tRun_FactoryCheckInfo_CGK ORDER BY version DESC") + 1;

        DateTime nowtime = System.DateTime.Now;

        //先拿到相关的信息

        //for (int i = 0; i < xmlList.Count - 2; i++)

        //{

        //    data0 = xmlList.Item(i).InnerText.Split(new char[1] { '|' });

        //    for (int j = 0; j < 27; j++)

        //    {

        //        data[i, j] = data0[j];

        //    }

        //}

        data1 = xmlList.Item(xmlList.Count - 2).InnerText.Split(new char[1] { '|' });

        data2 = xmlList.Item(xmlList.Count - 1).InnerText.Split(new char[1] { '|' });

            string FACT_ID = "";

            string FACT_NAME_j = "";

            string strqrt0 = "insert into  tRun_FactoryCheckInfo_CGKJL (version, DATE, InTime)values('" + max + "','" + GetDateTime(data1[1].Trim()) + "','" + nowtime + "')";

            (new SqlDataAccess(connstr)).DataCom(strqrt0);

            for (int i = 0; i < xmlList.Count - 2; i++)

            {

                data0 = xmlList.Item(i).InnerText.Split(new char[1] { '|' });

                DataTable dt = (new SqlDataAccess(connstr)).RunSqlDT("SELECT OBJECTID, FACT_ID, FACT_NAME, FACT_NAME_j, In_Date, In_Dist FROM TDRAI_SEWAGEFACT WHERE (FACT_NAME = '" + data0[1].Trim() + "')");

                if (dt.Rows.Count == 1)

                {

                    FACT_ID = dt.Rows[0][1].ToString();

                    FACT_NAME_j = dt.Rows[0][3].ToString();

                }

                string strqrt1 = "insert into  tRun_FactoryCheckInfo_CGK (version, ID, UNIT, DATE, IsUse, VersionId)values('" + max + "','" + Convert.ToInt32(i + 1) + "','" + FACT_NAME_j.Trim() + "','" + GetDateTime(data1[1].Trim()) + "','1','1')";

                string strqrt2 = "insert into  tRun_FactoryCheckSawege_CGK (version, JCBSDM, FACT_ID,DATE, FACT_BOD_IN, FACT_BOD_OUT, FACT_SS_IN, FACT_SS_OUT, FACT_COD_IN, FACT_COD_OUT, FACT_NH3N_IN, FACT_NH3N_OUT, FACT_TP_IN, FACT_TP_OUT, FACT_PH_IN, FACT_PH_OUT, FACT_CODHL_IN, FACT_CODHL_OUT, FACT_ANDAN_IN, FACT_ANDAN_OUT, FACT_ZP_IN, FACT_ZP_OUT, FACT_ZD_IN, FACT_ZD_OUT, FACT_SDU_IN, FACT_SDU_OUT, TSWNHSL, PWL, NYANG, CYDATE, IsUse, VersionId)values('" + max + "','" + Convert.ToInt32(i + 1) + "','" + FACT_ID.Trim() + "','" + GetDateTime(data1[1].Trim()) + "','" + GetDecimal(data0[2].Trim()) + "','" + GetDecimal(data0[3].Trim()) + "','" + GetDecimal(data0[4].Trim()) + "','" + GetDecimal(data0[5].Trim()) + "','" + GetDecimal(data0[6].Trim()) + "','" + GetDecimal(data0[7].Trim()) + "','" + GetDecimal(data0[8].Trim()) + "','" + GetDecimal(data0[9].Trim()) + "','" + GetDecimal(data0[10].Trim()) + "','" + GetDecimal(data0[11].Trim()) + "','" + GetDecimal(data0[12].Trim()) + "','" + GetDecimal(data0[13].Trim()) + "','" + GetDecimal(data0[14].Trim()) + "','" + GetDecimal(data0[15].Trim()) + "','" + GetDecimal(data0[16].Trim()) + "','" + GetDecimal(data0[17].Trim()) + "','" + GetDecimal(data0[18].Trim()) + "','" + GetDecimal(data0[19].Trim()) + "','" + GetDecimal(data0[20].Trim()) + "','" + GetDecimal(data0[21].Trim()) + "','" + GetDecimal(data0[22].Trim()) + "','" + GetDecimal(data0[23].Trim()) + "','" + GetDecimal(data0[24].Trim()) + "','" + GetDecimal(data0[25].Trim()) + "','" + data0[26].Trim() + "','" + GetDateTime(data0[27].Trim()) + "','1','1')";

                (new SqlDataAccess(connstr)).DataCom(strqrt1);

                (new SqlDataAccess(connstr)).DataCom(strqrt2);

            }

    }



    /// <summary>

    /// 判断是否为空和类型转换

    /// </summary>

    /// <param name="a">参数值</param>

    /// <returns>得到泥质检测名称字符串</returns>

    private DateTime GetDateTime(string a)

    {

        DateTime b = Convert.ToDateTime("1900-1-1");

        if (a.Equals("") || a == null)

        {

            b = Convert.ToDateTime("1900-1-1");

        }

        else

        {

            try

            {

                b = Convert.ToDateTime(a);

            }

            catch

            {

                b = Convert.ToDateTime("1900-1-1");

            }

        }

        return b;

    }



    /// <summary>

    /// 判断是否为空和类型转换

    /// </summary>

    /// <param name="a">参数值</param>

    /// <returns>得到泥质检测名称字符串</returns>

    private decimal GetDecimal(string a)

    {

        decimal b = 0;

        if (a.Equals("") || a == null)

        {

            b = 0;

        }

        else

        {

            try

            {

                b = Convert.ToDecimal(a);

            }

            catch

            {

                b = 0;

            }

        }

        return b;

    }



    /// <summary>

    /// 判断是否为空和类型转换

    /// </summary>

    /// <param name="a">参数值</param>

    /// <returns>得到泥质检测名称字符串</returns>

    private decimal GetInt(string a)

    {

        int b = 0;

        if (a.Equals("") || a == null)

        {

            b = 0;

        }

        else

        {

            try

            {

                b = Convert.ToInt32(a);

            }

            catch

            {

                b = 0;

            }

        }

        return b;

    }

}

西安风影 2009-03-31

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using System.Xml; 

protected void Page_Load(object sender, EventArgs e) 

{ 

    XmlDocument dom = new XmlDocument (); 

    dom.Load ( Request.InputStream ); 

    XmlNode node = doc.DocumentElement; 

    XmlNode t1Node = node.SelectSingleNode ( "//w2/t1" ); 

    String result = t1Node.InnerXml;//1234567890你要的结果 



     String strXML = "<?xml version='1.0' encoding='GB2312'?><ok id='b1'><h>kkk1</h></ok><ok id='b2'><h>kkk2</h></ok>";

    Response.ContentType = "text/xml";

    Response.CharSet = "gb2312";

    Response.Write(strXML);

    Response.End();

}

西安风影 2009-03-31

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using System.Xml;
protected void Page_Load(object sender, EventArgs e)
{
XmlDocument dom = new XmlDocument ();
dom.Load ( Request.InputStream );
XmlNode node = doc.DocumentElement;
XmlNode t1Node = node.SelectSingleNode ( "//w2/t1" );
String result = t1Node.InnerXml;//1234567890你要的结果

}

fwiw12 2009-03-31

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大师能够说的详细吗

orain 2009-03-31

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如果只是简单的做一个，数据量不大，看一下这个类就可以了：System.Xml.XmlDocument。如果数据比较大的话，就用System.Xml.XmlReader 和 System.Xml.XmlWriter，另外，弄清楚一些基本概念如节点、元素、属性、文本节点等，还有 XPath，大概就差不多了吧，其它的用到了再具体看下。