//add by iLine 20160427 增加条件查询
/// <summary>
/// 根据条件获取数据
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="predicate"></param>
/// <param name="isTracking"></param>
/// <returns></returns>
public virtual IList <TEntity> GetDatas <TEntity>(Expression <Func <TEntity, bool> > predicate) where TEntity : EntityBase
{
using (iCMSDbContext ctx = new iCMSDbContext())
{
if (predicate != null)
{
return(ctx.Set <TEntity>().Where(predicate).ToList());
}
else
{
return(null);
}
}
}
/// <summary>
/// 更新
/// </summary>
/// <typeparam name="TEntity"> 要注册的类型 </typeparam>
/// <param name="entity"> 要注册的对象 </param>
public virtual OperationResult Update <TEntity>(TEntity entity) where TEntity : EntityBase
{
string exMsg = string.Empty;
try
{
using (iCMSDbContext ctx = new iCMSDbContext())
{
if (ctx.Entry(entity).State == EntityState.Detached)
{
ctx.Set <TEntity>().Attach(entity);
}
ctx.Entry(entity).State = EntityState.Modified;
ctx.SaveChanges();
//try
//{
// #region 云推送添加
// BaseCloudService cloud = BaseCloudService.GetInstance();
// cloud.SyncInfo(entity, EnumCloudDataOperation.Update);
// #endregion
//}
//catch (Exception ex)
//{
// LogHelper.WriteLog(ex);
//}
//finally
//{
//}
#region 云平台修改 Multi Thread
//Thread thread = new Thread(YunyiThreadHelper.YunyiUpdate);
//thread.Start(entity);
#endregion
return(new OperationResult(EnumOperationResultType.Success, "操作成功！"));
}
}
catch (Exception ex)
{
exMsg = ex.Message;
LogHelper.WriteLog("数据库操作错误：" + ex.Message);
}
return(new OperationResult(EnumOperationResultType.Error, exMsg));
}
private IQueryable <TEntity> Set <TEntity>(iCMSDbContext ctx, Expression <Func <TEntity, bool> > predicate) where TEntity : EntityBase
{
return(ctx.Set <TEntity>().Where(predicate).AsQueryable());
}
/// <summary>
/// 为指定的类型返回 System.Data.Entity.DbSet，这将允许对上下文中的给定实体执行 CRUD 操作。
/// </summary>
/// <typeparam name="TEntity"> 应为其返回一个集的实体类型。 </typeparam>
/// <returns> 给定实体类型的 System.Data.Entity.DbSet 实例。 </returns>
private DbSet <TEntity> Set <TEntity>(iCMSDbContext ctx) where TEntity : EntityBase
{
return(ctx.Set <TEntity>());
}