/// <summary>新增
/// 新增
/// </summary>
/// <param name="entity">实体</param>
/// <returns>返回受影响行数</returns>
public bool Add <T>(T entity) where T : class
{
using (SysDb <T> db = new SysDb <T>(strConn))
{
db.Entry <T>(entity).State = EntityState.Added;
return(db.SaveChanges() > 0);
}
}
/// <summary>根据条件删除
/// 根据条件删除
/// </summary>
/// <param name="deleWhere">删除条件</param>
/// <returns>返回受影响行数</returns>
public bool DeleteByConditon <T>(Expression <Func <T, bool> > deleWhere) where T : class
{
using (SysDb <T> db = new SysDb <T>(strConn))
{
List <T> entitys = db.Set <T>().Where(deleWhere).ToList();
entitys.ForEach(m => db.Entry <T>(m).State = EntityState.Deleted);
return(db.SaveChanges() > 0);
}
}
/// <summary>删除
/// 删除
/// </summary>
/// <param name="entity">实体</param>
/// <returns>返回受影响行数</returns>
public bool Delete <T>(T entity) where T : class
{
using (SysDb <T> db = new SysDb <T>(strConn))
{
db.Set <T>().Attach(entity);
db.Entry <T>(entity).State = EntityState.Deleted;
return(db.SaveChanges() > 0);
}
}