/// <summary>
/// 删除一个”学生“
/// </summary>
/// <param name="student_id">学生Id</param>
/// <param name="id">执行人Id</param>
/// <returns></returns>
public bool SoftDeleteByStudentId(int student_id, int id)
{
return(idal_student.SoftDeleteByStudentId(student_id, id) > 0);
}