77 lines
3.7 KiB
C#
77 lines
3.7 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 VTemplate.Engine;
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using Song.Entities;
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using System.Data;
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namespace Song.Site.Mobile
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{
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/// <summary>
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/// 当前课程的知识库
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/// </summary>
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public class Knowledges : BasePage
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{
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public int couid = WeiSha.Common.Request.QueryString["couid"].Int32 ?? 0;
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protected override void InitPageTemplate(HttpContext context)
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{
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this.Document.Variables.SetValue("couid", couid);
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if (Request.ServerVariables["REQUEST_METHOD"] == "GET")
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{
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Song.Entities.Course course = Business.Do<ICourse>().CourseSingle(couid);
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if (course == null) return;
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this.Document.Variables.SetValue("course", course);
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//是否学习当前课程
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if (this.Account != null)
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{
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//是否购买当前课程
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bool isBuy = Business.Do<ICourse>().StudyIsCourse(this.Account.Ac_ID, course.Cou_ID);
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this.Document.Variables.SetValue("isBuy", isBuy);
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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;
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this.Document.Variables.SetValue("canStudy", canStudy);
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}
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//知识库栏目
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Song.Entities.KnowledgeSort[] kns = Business.Do<IKnowledge>().GetSortAll(-1, couid, -1, true);
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DataTable dt = WeiSha.WebControl.Tree.ObjectArrayToDataTable.To(kns);
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WeiSha.WebControl.Tree.DataTableTree tree = new WeiSha.WebControl.Tree.DataTableTree();
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tree.IdKeyName = "Kns_ID";
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tree.ParentIdKeyName = "Kns_PID";
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tree.TaxKeyName = "Kns_Tax";
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tree.Root = 0;
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dt = tree.BuilderTree(dt);
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this.Document.Variables.SetValue("kns", dt);
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this.Document.Variables.SetValue("couid", couid);
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//当前知识库栏目
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int sorts = WeiSha.Common.Request.QueryString["sorts"].Int32 ?? 0; //栏目分类id
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Song.Entities.KnowledgeSort sort = Business.Do<IKnowledge>().SortSingle(sorts);
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this.Document.Variables.SetValue("sort", sort);
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}
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//此页面的ajax提交，全部采用了POST方式
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if (Request.ServerVariables["REQUEST_METHOD"] == "POST")
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{
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int size = WeiSha.Common.Request.Form["size"].Int32 ?? 10; //每页多少条
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int index = WeiSha.Common.Request.Form["index"].Int32 ?? 1; //第几页
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string sorts = WeiSha.Common.Request.Form["sorts"].String; //栏目分类id
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string search = WeiSha.Common.Request.Form["sear"].String; //要检索的字符
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int sumcount = 0;
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//信息列表
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Song.Entities.Knowledge[] kls = null;
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kls = Business.Do<IKnowledge>().KnowledgePager(couid, sorts, search, size, index, out sumcount);
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string json = "{\"size\":" + size + ",\"index\":" + index + ",\"sumcount\":" + sumcount + ",";
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json += "\"items\":[";
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for (int n = 0; n < kls.Length; n++)
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{
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json += kls[n].ToJson("Kn_ID,Kn_Title", "Kn_Details") + ",";
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}
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if (json.EndsWith(",")) json = json.Substring(0, json.Length - 1);
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json += "]}";
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Response.Write(json);
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Response.End();
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}
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}
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}
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} |