Song.Site/Ajax/InResult.ashx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Song.ServiceInterfaces;
using Song.Entities;
using WeiSha.WebControl;
using System.Xml;
using System.Runtime.InteropServices;
using WeiSha.Common;
namespace Song.Site.Ajax
{
    /// <summary>
    /// InResult._ 的摘要说明
    /// </summary>
    public class InResult : IHttpHandler {
        //获取答题结果
        private string result = WeiSha.Common.Request.Form["result"].String;
        //答题结果的xml对象
        private XmlDocument resXml = new XmlDocument();
        public HttpResponse Response;
        public HttpRequest Request;
        [DllImport("Iphlpapi.dll")]
        private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);
        [DllImport("Ws2_32.dll")]
        private static extern Int32 inet_addr(string ip);
        public void ProcessRequest (HttpContext context) {
            context.Response.ContentType = "text/plain";
            Response = context.Response;
            Request = context.Request;
            Response.ContentType = "text/xml";
            Response.Flush();
            Response.Buffer = true;
            Response.ExpiresAbsolute = DateTime.Now.AddHours(-1);
            Response.Expires = 0;
            Response.CacheControl = "no-cache";
            result =context. Server.UrlDecode(result);
            this.Response.Write(initData());
            Response.End();
        }
        /// <summary>
        /// 初始化常用数据
        /// </summary>
        /// <returns>如果有错误，返回-1，如果考试结束或不存在，则返回0；正常返回1</returns>
        private int initData()
        {
            //如果为空，则返回-1，表示错误
            if (result == "") return -1;
            resXml.LoadXml(result);
            XmlNode xn = resXml.SelectSingleNode("results");
            //试卷id，考试id
            int tpid = Convert.ToInt32(xn.Attributes["tpid"].Value);
            int examid = Convert.ToInt32(xn.Attributes["examid"].Value);
            //学员Id,学员名称
            int stid = Convert.ToInt32(xn.Attributes["stid"].Value);
            string stname = xn.Attributes["stname"].Value.ToString();
            //学科Id,学科名称
            int sbjid = Convert.ToInt32(xn.Attributes["sbjid"].Value);
            string sbjname = xn.Attributes["sbjname"].Value.ToString();
            //UID与考试主题