public OutputResult Single(string id)
{
var student = dbContext.Students.FirstOrDefault(x => x.StudentID == Convert.ToInt64(id));
if (student == null)
{
return(OutputResult.Failed("不存在此学生"));
}
return(OutputResult <Student> .Success(student));
}
public OutputResult Add([FromForm] Student student)
{
if (dbContext.Students.FirstOrDefault(x => x.StudentID == student.StudentID) != null)
{
return(OutputResult.Failed("已存在此学号"));
}
dbContext.Students.Add(student);
if (dbContext.SaveChanges() < 1)
{
return(OutputResult.Failed("添加失败"));
}
return(OutputResult.Success());
}
public OutputResult Add([FromForm] Domitory domitory)
{
if (dbContext.Domitorys.FirstOrDefault(x => x.DomitoryID == domitory.DomitoryID) != null)
{
return(OutputResult.Failed("已存在此宿舍号"));
}
dbContext.Domitorys.Add(domitory);
if (dbContext.SaveChanges() < 1)
{
return(OutputResult.Failed("添加失败"));
}
return(OutputResult.Success());
}
public OutputResult CheckOut(string id)
{
var student = dbContext.Students.FirstOrDefault(x => x.StudentID == Convert.ToInt64(id));
if (student == null)
{
return(OutputResult.Failed("不存在此学生"));
}
student.RoomNumber = 0;
student.CheckInTime = null;
dbContext.Entry(student).State = EntityState.Modified;
if (dbContext.SaveChanges() < 1)
{
return(OutputResult.Failed("退宿失败"));
}
return(OutputResult.Success());
}
public OutputResult Modify([FromForm] Student student)
{
var oldStudent = dbContext.Students.FirstOrDefault(x => x.StudentID == student.StudentID);
if (oldStudent == null)
{
return(OutputResult.Failed("不存在此学生"));
}
oldStudent.Name = student.Name;
oldStudent.PhoneNumber = student.PhoneNumber;
oldStudent.ClassName = student.ClassName;
oldStudent.SubjectName = student.SubjectName;
dbContext.Entry(oldStudent).State = EntityState.Modified;
if (dbContext.SaveChanges() < 1)
{
return(OutputResult.Failed("添加失败"));
}
return(OutputResult.Success());
}