public ActionResult Edit(int id)
{
电商.Areas.Admin.Models.Entities4 db = new Models.Entities4();
电商.Areas.Admin.Models.person p = db.person.Find(id);
ViewBag.p = p;
return(View());
}
public ActionResult EditSave(int id, string name, string phone, string work)
{
电商.Areas.Admin.Models.Entities4 db = new Models.Entities4();
电商.Areas.Admin.Models.person p = db.person.Find(id);
p.work = work;
p.name = name;
p.phone = phone;
db.SaveChanges();
return(RedirectToAction("index"));
}
public ActionResult Del(int Id)
{
//删除需判断与之关联的的实体是否存在
电商.Areas.Admin.Models.Entities4 db = new Models.Entities4();
电商.Areas.Admin.Models.person p = db.person.Find(Id);
db.person.Attach(p);
db.person.Remove(p);
db.SaveChanges();
return(RedirectToAction("index"));
}
public ActionResult BringListAddSave(int bookid, string time, string user)
{
int userId = Convert.ToInt32(user);
电商.Areas.Admin.Models.Entities4 db = new Models.Entities4();
电商.Areas.Admin.Models.bookstatus bookstaus = db.bookstatus.Find(bookid);
if (bookstaus.num - bookstaus.bringnum <= 0)
{
return(Content("余量不足"));
}
List <电商.Areas.Admin.Models.person> list = db.person.Where(m => m.id == userId).ToList();
if (list.Count >= 1)
{
try
{
电商.Areas.Admin.Models.person this_people = list[0];
电商.Areas.Admin.Models.bring b = new Models.bring();
b.book_id = bookid;
b.person_id = this_people.id;
b.bringtime = time;
bookstaus.num--;
db.bring.Add(b);
db.SaveChanges();
return(Content("借阅成功"));
}
catch (System.Data.Entity.Validation.DbEntityValidationException ex)
{
var msg = string.Empty;
var errors = (from u in ex.EntityValidationErrors select u.ValidationErrors).ToList();
foreach (var item in errors)
{
msg += item.FirstOrDefault().ErrorMessage;
}
return(Content(msg));
}
}
else
{
return(Content("用户不存在"));
}
}