/// <summary>
/// 删除试题
/// </summary>
/// <returns></returns>
public static int DeleteQuestion(Questions question)
{
int number = -1;
ISession session = NHibernateHelper.GetSession();
//配置NHibernate
var conf = new Configuration().Configure();
//在Configuration中添加HbmMapping
conf.AddDeserializedMapping(NHibernateHelper.GetEntityMapping<Questions>(), "QuestionsXML");
//配置数据库架构元数据
SchemaMetadataUpdater.QuoteTableAndColumns(conf);
//建立SessionFactory
var factory = conf.BuildSessionFactory();
//打开Session做持久化数据
using (session = factory.OpenSession())
{
using (var tx = session.BeginTransaction())
{
number = session.Delete("From Questions Q Where Q.Id=" + question.Id.ToString());
tx.Commit();
return number;
}
}
}
/// <summary>
/// 查询问题列表
/// </summary>
/// <returns></returns>
public static IList<Questions> GetQuestionsListByPaperID(int PaperID)
{
string SQL = @"Select Questions.* From Questions Inner Join PaperQuestions
On PaperQuestions.QuestionsId = Questions.Id
Where PaperQuestions.PaperId = @PaperId
Order By Questions.TypeID ASC,Questions.Id ASC";
DataTable tb = new DataTable();
List<Questions> lists = new List<Questions>();
Questions model;
using (SqlHelper helper = new SqlHelper())
{
try
{
List<SqlParameter> parameters = new List<SqlParameter>();
parameters.Add(new SqlParameter("@PaperId", PaperID));
tb = helper.ExecuteDataTable(SQL, CommandType.Text, parameters);
for (int i = 0; i < tb.Rows.Count; i++)
{
model = new Questions();
model.Id = (int)tb.Rows[i]["Id"];
model.Title = tb.Rows[i]["Title"].ToString();
model.Answer1 = tb.Rows[i]["Answer1"].ToString();
model.Answer2 = tb.Rows[i]["Answer2"].ToString();
model.Answer3 = tb.Rows[i]["Answer3"].ToString();
model.Answer4 = tb.Rows[i]["Answer4"].ToString();
model.Answer5 = tb.Rows[i]["Answer5"].ToString();
model.Answer6 = tb.Rows[i]["Answer6"].ToString();
model.Answer7 = tb.Rows[i]["Answer7"].ToString();
model.Answer8 = tb.Rows[i]["Answer8"].ToString();
model.Answer9 = tb.Rows[i]["Answer9"].ToString();
model.Answer10 = tb.Rows[i]["Answer10"].ToString();
model.Status = tb.Rows[i]["Status"].ToString();
model.CreatDateTime = (DateTime)tb.Rows[i]["CreatDateTime"];
model.UpdateDateTime =(DateTime)tb.Rows[i]["UpdateDateTime"];
model.TypeID = (int)tb.Rows[i]["TypeID"];
model.CorrectAnswer = tb.Rows[i]["CorrectAnswer"].ToString();
model.Fraction = (double)tb.Rows[i]["Fraction"];
lists.Add(model);
}
}
catch (Exception ex)
{
return null;
}
}
return lists;
}
/// <summary>
/// 保存问题
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public static int SaveQuestion(Questions model)
{
int id = -1;
if (model != null)
{
var conf = new Configuration().Configure();
ISession session = NHibernateHelper.GetSession();
//配置NHibernate
//在Configuration中添加HbmMapping
conf.AddDeserializedMapping(NHibernateHelper.GetEntityMapping<Questions>(), "QuestionsXML");
//配置数据库架构元数据
SchemaMetadataUpdater.QuoteTableAndColumns(conf);
//建立SessionFactory
var factory = conf.BuildSessionFactory();
//打开Session做持久化数据
using (session = factory.OpenSession())
{
using (var tx = session.BeginTransaction())
{
var query = session.QueryOver<Questions>()
.Where(p => p.Id == model.Id)
.List();
if (query.Count > 0)
{
//更新
query[0].Title = model.Title;
query[0].Answer1 = model.Answer1;
query[0].Answer2 = model.Answer2;
query[0].Answer3 = model.Answer3;
query[0].Answer4 = model.Answer4;
query[0].Answer5 = model.Answer5;
query[0].Answer6 = model.Answer6;
query[0].Answer7 = model.Answer7;
query[0].Answer8 = model.Answer8;
query[0].Answer9 = model.Answer9;
query[0].Answer10 = model.Answer10;
query[0].Status = model.Status;
query[0].UpdateDateTime = DateTime.Now;
query[0].TypeID = model.TypeID;
query[0].ClassID = model.ClassID;
query[0].CorrectAnswer = model.CorrectAnswer;
query[0].Fraction = model.Fraction;
query[0].Remarks = model.Remarks;
session.Update(query[0]);
}
else
{
//新增
id = (int)session.Save(model);
}
tx.Commit();
}
}
}
return id;
}