/// <summary>
/// 新增多个实体
/// </summary>
/// <param name="entitys"></param>
/// <returns></returns>
public bool Inserts(List <T> entitys)
{
DAVES db = new DAVES();
db.Set <T>().AddRange(entitys);
return(db.SaveChanges() > 0);
}
/// <summary>
/// 新增一个实体
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public bool Insert(T entity)
{
DAVES db = new DAVES();
db.Set <T>().Add(entity);
return(db.SaveChanges() > 0);
}
/// <summary>
/// 修改一个实体
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public bool Update(T entity)
{
DAVES db = new DAVES();
db.Entry <T>(entity).State = EntityState.Modified;
return(db.SaveChanges() > 0);
}
/// <summary>
/// 删除一个实体
/// </summary>
/// <param name="Id"></param>
/// <returns></returns>
public bool Delete(object Id)
{
DAVES db = new DAVES();
T entity = db.Set <T>().Find(Id);
db.Set <T>().Remove(entity);
return(db.SaveChanges() > 0);
}
/// <summary>
/// 查询一个实体
/// </summary>
/// <param name="Id"></param>
/// <returns></returns>
public T GetEntity(object Id)
{
DAVES db = new DAVES();
return(db.Set <T>().Find(Id));
}
/// <summary>
/// 查询所有
/// </summary>
/// <returns></returns>
public List <T> GetAll()
{
DAVES db = new DAVES();
return(db.Set <T>().ToList());
}
public List <T> GetEntitysWhereAsNoTracking(Expression <Func <T, bool> > predicate)
{
DAVES db = new DAVES();
return(db.Set <T>().AsNoTracking().Where(predicate).ToList());
}
