public string setProfessorQuota(string proId, int quota)
{
ProfessorDao professorDao = new ProfessorDao();
try
{
if (professorDao.getProfessorById(proId) == null)
{
return("fail:未找到用户");
}
if (professorDao.changeQuotaById(proId, quota))
{
return("success");
}
return("fail:修改失败");
}
catch (Exception e)
{
return("fail:" + e.Message);
}
}