public async Task <IHttpActionResult> Poststudent_class(student_class student_class)
{
if (!ModelState.IsValid)
{
return((IHttpActionResult)Helper.JsonConverter.Error(410, "数据访问出错"));
}
db.student_class.Add(student_class);
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateException)
{
if (student_classExists(student_class.course_id))
{
return((IHttpActionResult)Helper.JsonConverter.Error(420, "用户已存在"));
}
else
{
throw;
}
}
return((IHttpActionResult)Helper.JsonConverter.BuildResult("成功"));
}
public async Task <IHttpActionResult> Putstudent_class(int id, student_class student_class)
{
if (!ModelState.IsValid)
{
return((IHttpActionResult)Helper.JsonConverter.Error(410, "数据访问出错"));
}
if (id != student_class.course_id)
{
return((IHttpActionResult)Helper.JsonConverter.Error(420, "查无此班级"));
}
db.Entry(student_class).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!student_classExists(id))
{
return((IHttpActionResult)Helper.JsonConverter.Error(420, "查无此人"));
}
else
{
throw;
}
}
return((IHttpActionResult)Helper.JsonConverter.BuildResult("成功"));
}
public ActionResult DeleteConfirmed(int id)
{
student_class student_class = db.student_class.Find(id);
db.student_class.Remove(student_class);
db.SaveChanges();
return(RedirectToAction("Index"));
}
public ActionResult Edit([Bind(Include = "class_id,class_level,class_on,start_time,end_time")] student_class student_class)
{
if (ModelState.IsValid)
{
db.Entry(student_class).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(student_class));
}
public ActionResult Create([Bind(Include = "class_id,class_level,class_on,start_time,end_time")] student_class student_class)
{
if (ModelState.IsValid)
{
db.student_class.Add(student_class);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(student_class));
}
public async Task <IHttpActionResult> Getstudent_class(int id)
{
student_class student_class = await db.student_class.FindAsync(id);
if (student_class == null)
{
return(NotFound());
}
return(Ok(student_class));
}
// GET: student_class/Edit/5
public ActionResult Edit(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
student_class student_class = db.student_class.Find(id);
if (student_class == null)
{
return(HttpNotFound());
}
return(View(student_class));
}
public async Task <IHttpActionResult> Deletestudent_class(int id)
{
student_class student_class = await db.student_class.FindAsync(id);
if (student_class == null)
{
return(NotFound());
}
db.student_class.Remove(student_class);
await db.SaveChangesAsync();
return(Ok(student_class));
}
public static object PostStudentClass(object json)
{
Dictionary <string, string> body = JsonConverter.Decode(json);
var course_id = int.Parse(body["course_id"]);
var s_id = int.Parse(body["s_id"]);
try
{
using (var context = new SMSModel())
{
student_class stuclass = new student_class();
stuclass.course_id = course_id;
stuclass.s_id = s_id;
context.student_class.Add(stuclass);
context.SaveChangesAsync();
return(Helper.JsonConverter.BuildResult("成功"));
}
}
catch (Exception e)
{
Console.Write(e);
return(Helper.JsonConverter.Error(410, "数据库中可能存在不一致现象，请检查"));
}
}
