82 lines
3.1 KiB
C#
82 lines
3.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using WeiSha.Common;
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using Song.ServiceInterfaces;
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using System.Xml;
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namespace Song.Site.Ajax
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{
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/// <summary>
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/// 获取考试的答题信息
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/// </summary>
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public class GetResult : IHttpHandler
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{
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//试卷id，考试id,学生id
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private int tpid = WeiSha.Common.Request.QueryString["tpid"].Int32 ?? 0;
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private int examid = WeiSha.Common.Request.QueryString["examid"].Int32 ?? 0;
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private int stid = WeiSha.Common.Request.QueryString["stid"].Int32 ?? 0;
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public void ProcessRequest(HttpContext context)
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{
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context.Response.ContentType = "text/plain";
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//获取答题信息
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Song.Entities.ExamResults exr = Business.Do<IExamination>().ResultSingleForCache(examid, tpid, stid);
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if (exr == null) context.Response.Write("0");
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if (exr != null) context.Response.Write(getResult(exr.Exr_Results));
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context.Response.End();
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}
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/// <summary>
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/// 输出json
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/// </summary>
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/// <param name="result"></param>
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/// <returns></returns>
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private string getResult(string result)
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{
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XmlDocument resXml = new XmlDocument();
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resXml.XmlResolver = null;
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resXml.LoadXml(result, false);
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string json = "{";
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XmlNode root = resXml.LastChild;
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foreach (XmlAttribute attr in root.Attributes)
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{
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json += "'" + attr.Name + "':'" + attr.Value + "',";
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}
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string jsonQues = "'ques':[";
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XmlNodeList ques = resXml.GetElementsByTagName("ques");
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for (int i = 0; i < ques.Count; i++)
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{
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XmlNode node = ques[i];
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int type = Convert.ToInt32(node.Attributes["type"].Value);
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for (int n = 0; n < node.ChildNodes.Count; n++)
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{
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XmlNode q = node.ChildNodes[n];
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string id = q.Attributes["id"].Value;
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string cls = q.Attributes["class"].Value;
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string ans = string.Empty, file = string.Empty;
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//如果是单选、多选、判断
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if (type == 1 || type == 2 || type == 3)
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ans = q.Attributes["ans"].Value;
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if (type == 4 || type == 5) ans = q.InnerText;
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if (type == 5) file = q.Attributes["file"] != null ? q.Attributes["file"].Value : "";
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jsonQues += "{";
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jsonQues += string.Format("'type':{0},'id':{1},'cls':'{2}','ans':'{3}','file':'{4}'", type, id, cls, ans, file);
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jsonQues += "},";
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}
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}
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if (jsonQues.IndexOf(',') > -1) jsonQues = jsonQues.Substring(0,jsonQues.Length - 1);
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jsonQues += "]";
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json += jsonQues + "}";
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return json;
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}
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public bool IsReusable
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{
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get
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{
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return false;
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}
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}
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}
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} |