using CC.Yi.IBLL; using CC.Yi.IDAL; using CC.Yi.Model; using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using Microsoft.EntityFrameworkCore; namespace CC.Yi.BLL { public partial class studentBll : BaseBll, IstudentBll { public studentBll(IBaseDal cd,DataContext _Db):base(cd,_Db) { CurrentDal = cd; Db = _Db; } public async Task DelListByUpdateList(List Ids) { var entitys = await CurrentDal.GetEntities(u => Ids.Contains(u.id)).ToListAsync(); foreach (var entity in entitys) { entity.is_delete = (short)ViewModel.Enum.DelFlagEnum.Deleted; } return Db.SaveChanges() > 0; } } }