/// <summary>
/// 按主键ID单条删除
/// </summary>
/// <param name="predicate"></param>
/// <returns></returns>
public virtual int Delete(int id)
{
using (erp_1807Entities db = new erp_1807Entities())
{
var Entity = db.Set <TEntity>().Find(id);
db.Set <TEntity>().Remove(Entity);
return(db.SaveChanges());
}
}
/// <summary>
/// 添加
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public virtual int Create(TEntity entity)
{
using (erp_1807Entities db = new erp_1807Entities())
{
db.Set <TEntity>().Add(entity);
return(db.SaveChanges());
}
}
/// <summary>
/// 传递拉姆达表达式删除
/// </summary>
/// <param name="predicate"></param>
/// <returns></returns>
public virtual int Delete(Expression <Func <TEntity, bool> > predicate)
{
using (erp_1807Entities db = new erp_1807Entities())
{
var mm = db.Set <TEntity>().FirstOrDefault(predicate);
db.Set <TEntity>().Remove(mm);
db.Entry <TEntity>(mm).State = System.Data.Entity.EntityState.Deleted;
db.SaveChanges();
return(1);
}
}
/// <summary>
/// 更新
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public virtual int Update(Expression <Func <TEntity, bool> > predicate, TEntity entity)
{
using (erp_1807Entities db = new erp_1807Entities())
{
var Entity = db.Set <TEntity>().FirstOrDefault(predicate);
if (Entity != null)
{
db.Entry <TEntity>(entity).State = System.Data.Entity.EntityState.Modified;
return(db.SaveChanges());
}
else
{
return(0);
}
}
}