arcxml_service.asmx.cs

一本不错的基于donet的ArcIMS开发的电子资料,详细的介绍了ArcIMS的配置,以及大量开发案例.

using System;
using System.IO;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Web;
using System.Net;
using System.Text;
using System.Web.Services;
using System.Xml;
using System.Globalization;


namespace ArcXMLService
{


	[WebService(Namespace="http://microsoft.com/webservices/")]
	public class ArcXML_Web_Service : System.Web.Services.WebService
	{
		public ArcXML_Web_Service()
		{
			//CODEGEN: This call is required by the ASP.NET Web Services Designer
			InitializeComponent();
		}


		#region Component Designer generated code
		
	//Required by the Web Services Designer 
	private IContainer components = null;
				
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if(disposing && components != null)
			{
				components.Dispose();
			}
			base.Dispose(disposing);		
		}
		
		#endregion		

		#region sendMyArcXML(arcxmlString,currentServer,currentService,currentCustomService) function
		/**/
		[WebMethod
			 (
			 Description="Include the ArcXML request, the ArcIMS server you want to send this to, and the ArcIMS service name.  If you are using the Query, Geocode, or Extract Servers, you also need to include the custom string.  Query Server requires &Query, Geocode Server requires &Geocode, and Extract Server requires &Extract.",EnableSession=true
			 )
		]
		public String sendMyArcXML (string arcxmlString, string currentServer, string currentService, string currentCustomService ) 
		{
			System.Text.StringBuilder sb = new System.Text.StringBuilder();
			sb.Append(arcxmlString);
			string s =  SendRequest(sb, currentServer, currentService, currentCustomService);	
			return s;
		}
    #endregion


		#region SendRequest(sb, ServerName, ServiceName, CustomService) function
		private string SendRequest(StringBuilder sb, string ServerName, string ServiceName, string CustomService) 
		{
			
			string theURL = "http://" + ServerName + "/servlet/com.esri.esrimap.Esrimap?ServiceName=" + ServiceName + "&ClientVersion=4.0";

			if (CustomService != "")theURL += "&CustomService=" + CustomService;

			HttpWebRequest HttpWReq = (HttpWebRequest)WebRequest.Create(theURL);

			HttpWReq.Method = "POST";
			HttpWReq.ContentLength = sb.Length;
			//HttpWReq.ContentType = "application/x-www-form-urlencoded";
      
			try
			{
				StreamWriter pWriter = new StreamWriter(HttpWReq.GetRequestStream());
				pWriter.Write(sb.ToString());
				pWriter.Close();
			}
			catch (Exception e) 
			{
				return null;
			}
         
			HttpWebResponse HttpWResp = (HttpWebResponse)HttpWReq.GetResponse();
			using (StreamReader sr = 
					   new StreamReader(HttpWResp.GetResponseStream()) )
			{
 			  string s;
				System.IO.StringReader stgr = new System.IO.StringReader(sr.ReadToEnd());
				s = stgr.ReadToEnd();			
				return s;
			}
		}
	}
		#endregion
	}