Song.Site/Json/QuesRandom.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

using Song.ServiceInterfaces;
using Song.Entities;
using System.Text;
using System.Reflection;
using System.Collections.Generic;
using WeiSha.Common;
namespace Song.Site.Json
{
    public partial class QuesRandom : System.Web.UI.Page
    {       
        //试卷id，考试id,学生id
        private int tpid = WeiSha.Common.Request.Form["tpid"].Int32 ?? 0;
        private int examid = WeiSha.Common.Request.Form["examid"].Int32 ?? 0;
        private int stid = WeiSha.Common.Request.Form["stid"].Int32 ?? 0;
        //获取当前学科下的所有试卷
        protected void Page_Load(object sender, EventArgs e)
        {
            //获取答题信息
            Song.Entities.ExamResults exr = Business.Do<IExamination>().ResultSingle(examid, tpid, stid);
            //取试题
            List<Song.Entities.Questions> quesList = new List<Questions>();
            if (exr == null)
            {
                //取果是第一次打开，则随机生成试题，此为获取试卷
                Song.Entities.TestPaper tp = Business.Do<ITestPaper>().PagerSingle(tpid);
                //难度区间
                int diff1 = tp.Tp_Diff > tp.Tp_Diff2 ? (int)tp.Tp_Diff2 : (int)tp.Tp_Diff;
                int diff2 = tp.Tp_Diff > tp.Tp_Diff2 ? (int)tp.Tp_Diff : (int)tp.Tp_Diff2;
                //获取试题项
                Song.Entities.TestPaperItem[] tpi = Business.Do<ITestPaper>().GetItemForAll(tp);
                foreach (Song.Entities.TestPaperItem pi in tpi)
                {
                    //类型，试题数目，该类型占多少分，
                    int type = (int)pi.TPI_Type;
                    int count = (int)pi.TPI_Count;
                    float num = (float)pi.TPI_Number;
                    int per = (int)pi.TPI_Percent;
                    if (count < 1) continue;
                    Song.Entities.Questions[] ques = Business.Do<IQuestions>().QuesRandom(tp.Org_ID, (int)tp.Sbj_ID, -1, -1, type, diff1, diff2, true, count);
                    float surplus = num;
                    for (int i = 0; i < ques.Length; i++)
                    {
                        //当前试题的分数
                        float curr = ((float)pi.TPI_Number) / ques.Length;
                        curr = ((float)Math.Round(curr * 10)) / 10;
                        if (i < ques.Length - 1)
                        {
                            ques[i].Qus_Number = curr;
                            surplus = surplus - curr;