public List <TermInformation> getTermInformations()
{
TermInformationDBContext termInformationdb = new TermInformationDBContext();
List <TermInformation> termInformations = termInformationdb.termInformations.ToList();
termInformationdb = null;
return(termInformations);
}
//获取最新学期信息
public DateTime[] getNewTermInformation()
{
TermInformationDBContext termdb = new TermInformationDBContext();
DateTime[] result = new DateTime[2];
TermInformation[] terms = termdb.termInformations.ToArray();
if (terms.Length > 0)
{
result[0] = terms[terms.Length - 1].termStartTime;
result[1] = terms[terms.Length - 1].termEndTime;
return(result);
}
return(null);
}
//学期有关操作
public string addSemester(DateTime termStartTime, DateTime termEndTime, int termWeeks)
{
string result = "";
int num = 0;
TermInformationDBContext tIdb = new TermInformationDBContext();
TermInformation term = new TermInformation();
try
{
term.termStartTime = termStartTime;
term.termEndTime = termEndTime;
term.termWeeks = termWeeks;
tIdb.termInformations.Add(term);
num = tIdb.SaveChanges();
result = "succeed:写入" + num + "条信息";
}catch (Exception e)
{
result = "error:写入" + num + "条信息";
}
return(result);
}
