/// <summary>
/// 提交事务
/// </summary>
public void CommitTransaction()
{
if (IDbTrans != null)
{
IDbTrans.Commit();
}
IDbTrans = null;
}
public IDbTrans GetTrans()
{
string transName = "DefaltTrans";
Type type = Type.GetType(string.Format("ED.SQLite.Single.{0}", transName));
IDbTrans trans = null;
if (type != null)
{
trans = Activator.CreateInstance(type, db) as IDbTrans;
}
return(trans);
}
/// <summary>
/// 通过事务执行多条SQL语句
/// </summary>
/// <param name="sqlList">SQL语句集</param>
/// <returns></returns>
public static DataResult ExecuteByTransaction(List <string> sqlList)
{
DataResult result = new DataResult();
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
IDbComm = DataBaseFactory.GetIDbCommand();
IDbComm.Connection = IDbConn;
IDbTrans = IDbConn.BeginTransaction(IsolationLevel.ReadCommitted);// DataBaseFactory.GetIDbTransaction();
if (IDbTrans != null)
{
IDbComm.Transaction = IDbTrans;
// IDbTrans = IDbConn.BeginTransaction(IsolationLevel.ReadCommitted);
}
try
{
for (int i = 0; i < sqlList.Count; i++)
{
string str = sqlList[i].ToString();
if (str.Trim().Length > 1)
{
IDbComm.CommandText = str;
result.RecordCount += IDbComm.ExecuteNonQuery();
}
}
IDbTrans.Commit();
return(result);
}
catch (Exception exception)
{
IDbTrans.Rollback();
IDbConn.Close();
result.Error = exception.Message;
return(result);
}
finally
{
IDbConn.Close();
}
}
}
/// <summary>
/// 通过事务执行多条SQL语句
/// </summary>
/// <param name="sqlList">SQL语句集</param>
/// <returns></returns>
public bool ExecuteByTransaction(List <string> sqlList)
{
using (IDbConn = DataBaseFactory.GetIDbConnection())
{
IDbConn.Open();
IDbComm = DataBaseFactory.GetIDbCommand();
IDbComm.Connection = IDbConn;
IDbTrans = IDbConn.BeginTransaction();// DataBaseFactory.GetIDbTransaction();
if (IDbTrans != null)
{
IDbComm.Transaction = IDbTrans;
IDbTrans = IDbConn.BeginTransaction(IsolationLevel.ReadCommitted);
}
try
{
for (int i = 0; i < sqlList.Count; i++)
{
string str = sqlList[i].ToString();
if (str.Trim().Length > 1)
{
IDbComm.CommandText = str;
IDbComm.ExecuteNonQuery();
}
}
IDbTrans.Commit();
return(true);
}
catch (Exception exception)
{
IDbTrans.Rollback();
IDbConn.Close();
return(false);
throw new Exception(exception.Message);
}
finally
{
IDbConn.Close();
}
}
}
/// <summary>
/// 提交事务
/// </summary>
public static DataResult CommitTransaction()
{
DataResult result = new DataResult();
try
{
IDbTrans.Commit();
return(result);
}
catch (Exception exception)
{
IDbTrans.Rollback();
IDbConn.Close();
result.Error = exception.Message;
return(result);
}
finally
{
IDbConn.Close();
}
}
protected virtual void Each_FileHandleEvent(FileInfo info)
{
//判断文件是否符合要求
bool meet = true;
meet = !info.Name.Contains("~$") && (EvFile?.IsMeet(info.Name) ?? false);
if (meet)
{
//生成MD5
string md5 = ToGenerateMD5(info);
MF file = new MF()
{
FID = md5,
FileName = info.Name,
Date = Convert.ToDateTime(EvFile.Extract(info.Name))
};
//查询数据库，判断是否已经读取过
bool readed = false;
if (JoinDb)
{
using (IDbQuery query = DbIns.GetQuery("Cq"))
{
if (query != null)
{
query.Open();
object obj = query.SelectToValue(new QueryArgs()
{
Where = "FID=@FID",
Rows = "Count(1)",
Param = new DbParams[]
{
new DbParams("FID", md5)
},
Group = "FID"
});
int count = Convert.ToInt32(obj);
readed = count > 0;
}
}
}
//循环读取
if (!readed)
{
using (IExcReader reader = ExcIns.GetReader())
{
bool isopen = reader?.Open(info.FullName) ?? false;
if (CellHelper != null && isopen)
{
CellHelper.ToObtainColumn = new string[] { "Target", "Sample", "Cq" };
using (IDbAlter alter = DbIns.GetAlter("Cq"))
{
alter.Open();
IDbTrans trans = DbIns.GetTrans();
trans.Begin();
while (reader.Read())
{
Record cq = null;
//如果列索引为空则查找索引
if (!CellHelper.IsFindColumn)
{
CellHelper.FindColumnIndex(reader.Columns);
}
//不为空则将单元格转化为 Cq ;
else
{
CellArgs args = CellHelper.GetArgs(reader);
args.File = file;
cq = CqHelper.ConvertToCq(args);
}
//将 Cq 插入到分类集合中
if (cq != null)
{
if (JoinDb)
{
try { alter.Insert(cq, "ID"); }
catch { trans.Rollback(); }
}
CqHelper?.InsertToCollection(cq, Group);
}
}
trans.Commit();
}
}
}
}
}
}
