private string GetJson(MDataColumn mdc)
{
JsonHelper js = new JsonHelper();
foreach (var cell in mdc)
{
js.Add("Key", cell.ColumnName);
js.Add("Value", cell.ColumnName);
js.AddBr();
}
return js.ToString(true);
}
//End
internal static void SetCache(AopEnum action, AopInfo aopInfo)
{
string baseKey = GetBaseKey(aopInfo);
switch (action)
{
case AopEnum.ExeNonQuery:
case AopEnum.Insert:
case AopEnum.Update:
case AopEnum.Delete:
if (aopInfo.IsSuccess || aopInfo.RowCount > 0)
{
ReadyForRemove(baseKey);
}
return;
}
//if (!IsCanOperateCache(baseKey))
//{
// return;
//}
if (_MemCache.CacheType == CacheType.LocalCache && _MemCache.RemainMemoryPercentage < 15)//可用内存低于15%
{
return;
}
string key = GetKey(action, aopInfo, baseKey);
int flag;//0 正常；1：未识别；2：不允许缓存
SetBaseKeys(aopInfo, key, out flag);//存档Key，后续缓存失效 批量删除
if (flag == 2)
{
return;//
}
double cacheTime = Math.Abs(12 - DateTime.Now.Hour) * 60 + DateTime.Now.Second;//缓存中午或到夜里1点
if (flag == 1 || aopInfo.PageIndex > 2) // 后面的页数，缓存时间可以短一些
{
cacheTime = 2;//未知道操作何表时，只缓存2分钟（比如存储过程等语句）
}
switch (action)
{
case AopEnum.ExeMDataTableList:
if (IsCanCache(aopInfo.TableList))
{
JsonHelper js = new JsonHelper(false, false);
foreach (MDataTable table in aopInfo.TableList)
{
js.Add(table.TableName, table.ToJson(true, true, RowOp.IgnoreNull));
}
js.AddBr();
_MemCache.Set(key, js.ToString(), cacheTime);
}
break;
case AopEnum.Select:
case AopEnum.ExeMDataTable:
if (IsCanCache(aopInfo.Table))
{
_MemCache.Set(key, aopInfo.Table.ToJson(true, true, RowOp.IgnoreNull), cacheTime);
}
break;
case AopEnum.ExeScalar:
_MemCache.Set(key, aopInfo.ExeResult, cacheTime);
break;
case AopEnum.Fill:
_MemCache.Set(key, aopInfo.Row, cacheTime);
break;
case AopEnum.GetCount:
_MemCache.Set(key, aopInfo.RowCount, cacheTime);
break;
}
}