public async Task <IHttpActionResult> PutStudentDiploma(int id, StudentDiploma userDiploma)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != userDiploma.Id)
{
return(BadRequest());
}
db.Entry(userDiploma).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!StudentDiplomaExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(Ok(userDiploma));
}
public async Task <IHttpActionResult> GetStudentDiploma(int id)
{
StudentDiploma userDiploma = await db.StudentDiplomas.FindAsync(id);
if (userDiploma == null)
{
return(NotFound());
}
return(Ok(userDiploma));
}
public async Task <IHttpActionResult> DeleteStudentDiploma(int id)
{
StudentDiploma userDiploma = await db.StudentDiplomas.FindAsync(id);
if (userDiploma == null)
{
return(NotFound());
}
db.StudentDiplomas.Remove(userDiploma);
await db.SaveChangesAsync();
return(Ok(userDiploma));
}
public async Task <IHttpActionResult> PostStudentDiploma(StudentDiploma userDiploma)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var result = db.StudentDiplomas.Where(s => s.DiplomaID == userDiploma.DiplomaID).Where(s => s.StudentID == userDiploma.StudentID).ToList();
if (result.Count > 0)
{
return(BadRequest("已存在"));
}
db.StudentDiplomas.Add(userDiploma);
await db.SaveChangesAsync();
return(CreatedAtRoute("DefaultApi", new { id = userDiploma.Id }, userDiploma));
}
