/// <summary>
/// 更新学生信息
/// </summary>
/// <param name="student">学生信息</param>
/// <returns>是否成功 true成功 false 失败</returns>
public bool UpdateStudent(Student student)
{
if (!Utility.IsEmail(student.email))
{
return(false);
}
return(DALFactory.CreateStudentDAL().UpdateStudent(student));
}
/// <summary>
/// 根据条件查询
/// </summary>
/// <param name="firstName">firstName</param>
/// <param name="lastName">lastName</param>
/// <returns>学生列表</returns>
public IEnumerable <Student> Seach(string firstName, string lastName)
{
if (string.IsNullOrEmpty(firstName) && string.IsNullOrEmpty(lastName))
{
return(GetAll());
}
return(DALFactory.CreateStudentDAL().Seach(firstName, lastName));
}
/// <summary>
/// 添加学生
/// </summary>
/// <param name="student">学生对象</param>
/// <returns></returns>
public Student AddStudent(Student student)
{
try
{
if (!Utility.IsEmail(student.email))
{
return(null);
}
return(DALFactory.CreateStudentDAL().AddStudent(student));
}
catch (Exception ex)
{
return(null);
}
}
/// <summary>
/// 删除学生信息
/// </summary>
/// <param name="Id">学生ID</param>
/// <returns>是否成功 true成功 false 失败</returns>
public bool DeleteStudent(int Id)
{
return(DALFactory.CreateStudentDAL().DeleteStudent(Id));
}
/// <summary>
/// 根据ID获取学生对象
/// </summary>
/// <param name="id">学生ID</param>
/// <returns>学生对象</returns>
public Student GetStudentById(int id)
{
return(DALFactory.CreateStudentDAL().GetStudentById(id));
}
/// <summary>
/// 返回所有学生
/// </summary>
/// <returns></returns>
public IEnumerable <Student> GetAll()
{
return(DALFactory.CreateStudentDAL().GetAll());
}
