229 lines
10 KiB
C#
229 lines
10 KiB
C#
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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 VTemplate.Engine;
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namespace Song.Site.Mobile
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{
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/// <summary>
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/// 试题练习
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/// </summary>
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public class QuesExercisesItems : BasePage
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{
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//章节id
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protected int olid = WeiSha.Common.Request.QueryString["olid"].Int32 ?? 0;
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protected int couid = WeiSha.Common.Request.QueryString["couid"].Int32 ?? 0;
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//试题的启始索引与当前取多少条记录
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protected int count = WeiSha.Common.Request.QueryString["count"].Int32 ?? 100;
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//当前学员收藏的试题
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Song.Entities.Questions[] collectQues = null;
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protected override void InitPageTemplate(HttpContext context)
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{
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this.Document.SetValue("couid", couid);
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//当前章节
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Song.Entities.Outline outline = Business.Do<IOutline>().OutlineSingle(olid);
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this.Document.SetValue("outline", outline);
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//当前课程
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Song.Entities.Course course = null;
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if (outline != null)
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{
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couid = outline.Cou_ID;
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course = Business.Do<ICourse>().CourseSingle(couid);
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this.Document.SetValue("course", course);
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}
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if (course == null && couid > 0) course = Business.Do<ICourse>().CourseSingle(couid);
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//是否购买该课程
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int accid = 0;
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if (Extend.LoginState.Accounts.IsLogin) accid = Extend.LoginState.Accounts.CurrentUser.Ac_ID;
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Song.Entities.Course couBuy = Business.Do<ICourse>().IsBuyCourse(couid, accid, 1);
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bool isBuy = couBuy != null;
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//是否购买，如果免费也算已经购买
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this.Document.SetValue("isBuy", isBuy || course.Cou_IsFree);
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if (couBuy == null) couBuy = course;
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this.Document.SetValue("couBuy", couBuy);
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//是否可以学习,如果是免费或已经选修便可以学习，否则当前课程允许试用且当前章节是免费的，也可以学习
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bool canStudy = isBuy || course.Cou_IsFree || course.Cou_IsLimitFree ? true : (course.Cou_IsTry && outline.Ol_IsFree && outline.Ol_IsFinish);
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canStudy = canStudy && outline.Ol_IsUse && outline.Ol_IsFinish && this.Account != null;
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this.Document.Variables.SetValue("canStudy", canStudy);
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if (!canStudy) return;
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//总题数
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int sumCount = canStudy ? Business.Do<IQuestions>().QuesOfCount(-1, -1, couid, olid, -1, true) : 0;
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//this.Document.SetValue("sumCount", sumCount);
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int total = Business.Do<IQuestions>().QuesOfCount(-1, -1, couid, olid, -1, true);
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this.Document.SetValue("Total", total); //试题的总数
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this.Document.SetValue("couid", WeiSha.Common.Request.QueryString["couid"].Int32 ?? 0);
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//题型
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this.Document.SetValue("quesType", WeiSha.Common.App.Get["QuesType"].Split(','));
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//试题列表
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Song.Entities.Questions[] ques = Business.Do<IQuestions>().CacheQuestions("all");
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List<Song.Entities.Questions> list = new List<Entities.Questions>();
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//按章节取题
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if (olid > 0)
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{
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List<int> olids = Business.Do<IOutline>().TreeID(olid);
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list = GetQues(olids, ques);
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}
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else
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{
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//按钮课程取题
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foreach (Song.Entities.Questions q in ques)
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{
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if (q.Cou_ID != couid) continue;
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list.Add(q);
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}
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}
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ques = list.ToArray();
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if (ques == null)
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{
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ques = Business.Do<IQuestions>().QuesCount(-1, -1, couid, olid, -1, -1, true, 0 - 1, count);
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}
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//清理试题文本格式
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for (int i = 0; i < ques.Length; i++)
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{
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ques[i] = Extend.Questions.TranText(ques[i]);
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ques[i].Qus_Title = ques[i].Qus_Title.Replace("<", "<");
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ques[i].Qus_Title = ques[i].Qus_Title.Replace(">", ">");
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ques[i].Qus_Title = Extend.Html.ClearHTML(ques[i].Qus_Title, "p", "div", "font", "span", "a");
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ques[i].Qus_Explain = Extend.Html.ClearHTML(ques[i].Qus_Explain, "p", "div", "font", "span", "a");
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ques[i].Qus_Answer = Extend.Html.ClearHTML(ques[i].Qus_Answer, "p", "div", "font", "span", "a");
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ques[i].Qus_Title = ques[i].Qus_Title.Replace("\n", "<br/>");
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if (!string.IsNullOrWhiteSpace(ques[i].Qus_Answer))
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ques[i].Qus_Answer = ques[i].Qus_Answer.Replace(" ", " ");
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}
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//List<Song.Entities.Questions> list = new List<Entities.Questions>();
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//if (isBuy || course.Cou_IsFree) list = ques.ToList<Song.Entities.Questions>(); //如果已经购买或免费；
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//if (!(isBuy || course.Cou_IsFree))
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//{
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// for (int i = 0; i < sumCount; i++) list.Add(ques[i]); //如果还在试用
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//}
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//this.Document.SetValue("uid", uid);
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this.Document.SetValue("ques", ques);
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this.Document.RegisterGlobalFunction(this.AnswerItems);
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this.Document.RegisterGlobalFunction(this.IsCollect);
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this.Document.RegisterGlobalFunction(this.GetAnswer);
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}
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/// <summary>
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/// 按章节输出试题
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/// </summary>
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/// <param name="olid">多个章节id</param>
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/// <returns></returns>
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private List<Song.Entities.Questions> GetQues(List<int> olid, Song.Entities.Questions[] ques)
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{
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List<Song.Entities.Questions> list = new List<Entities.Questions>();
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foreach (int id in olid)
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{
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foreach (Song.Entities.Questions q in ques)
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{
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if (q.Ol_ID != id || q.Qus_IsUse == false || q.Qus_IsError == true || q.Qus_IsWrong == true) continue;
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list.Add(q);
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}
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}
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return list;
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}
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/// <summary>
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/// 当前试题的选项，仅用于单选与多选
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/// </summary>
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/// <returns>0为没有子级，其它有子级</returns>
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protected object AnswerItems(object[] p)
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{
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Song.Entities.Questions qus = null;
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if (p.Length > 0)
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qus = (Song.Entities.Questions)p[0];
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//当前试题的答案
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Song.Entities.QuesAnswer[] ans = Business.Do<IQuestions>().QuestionsAnswer(qus, null);
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for (int i = 0; i < ans.Length; i++)
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{
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ans[i] = Extend.Questions.TranText(ans[i]);
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//ans[i].Ans_Context = ans[i].Ans_Context.Replace("<", "<");
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//ans[i].Ans_Context = ans[i].Ans_Context.Replace(">", ">");
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}
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return ans;
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}
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/// <summary>
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/// 试题是否被当前学员收藏
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/// </summary>
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/// <param name="objs"></param>
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/// <returns></returns>
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protected object IsCollect(object[] objs)
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{
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int qid = 0;
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if (objs.Length > 0)
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qid = Convert.ToInt32(objs[0]);
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//当前收藏
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if (collectQues == null)
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{
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if (Extend.LoginState.Accounts.IsLogin)
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{
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Song.Entities.Accounts st = Extend.LoginState.Accounts.CurrentUser;
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collectQues = Business.Do<IStudent>().CollectAll4Ques(st.Ac_ID, 0, couid, 0);
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}
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else
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{
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collectQues = Business.Do<IStudent>().CollectAll4Ques(0, 0, couid, 0);
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}
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}
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if (collectQues != null)
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{
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foreach (Song.Entities.Questions q in collectQues)
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{
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if (qid == q.Qus_ID) return true;
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}
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}
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return false;
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}
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/// <summary>
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/// 试题的答案
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/// </summary>
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/// <param name="objs"></param>
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/// <returns></returns>
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protected string GetAnswer(object[] objs)
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{
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//当前试题
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Song.Entities.Questions qus = null;
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if (objs.Length > 0) qus = objs[0] as Song.Entities.Questions;
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if (qus == null) return "";
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string ansStr = "";
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if (qus.Qus_Type == 1)
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{
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//当前试题的答案
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Song.Entities.QuesAnswer[] ans = Business.Do<IQuestions>().QuestionsAnswer(qus, null);
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for (int i = 0; i < ans.Length; i++)
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{
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if (ans[i].Ans_IsCorrect)
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ansStr += (char)(65 + i);
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}
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}
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if (qus.Qus_Type == 2)
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{
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Song.Entities.QuesAnswer[] ans = Business.Do<IQuestions>().QuestionsAnswer(qus, null);
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for (int i = 0; i < ans.Length; i++)
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{
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if (ans[i].Ans_IsCorrect)
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ansStr += (char)(65 + i) + "、";
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}
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if (ansStr.Length > 0 && ansStr.EndsWith("、")) ansStr = ansStr.Substring(0, ansStr.Length - 1);
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}
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if (qus.Qus_Type == 3)
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ansStr = qus.Qus_IsCorrect ? "正确" : "错误";
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if (qus.Qus_Type == 4)
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{
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if (qus != null && !string.IsNullOrEmpty(qus.Qus_Answer))
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ansStr = qus.Qus_Answer;
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}
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if (qus.Qus_Type == 5)
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{
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//当前试题的答案
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Song.Entities.QuesAnswer[] ans = Business.Do<IQuestions>().QuestionsAnswer(qus, null);
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for (int i = 0; i < ans.Length; i++)
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ansStr += (char)(65 + i) + "、" + ans[i].Ans_Context + "<br/>";
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}
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return ansStr;
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}
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}
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}
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