///<summary>综合readmode参数(优先)和dataStatus静态变量，返回应采用的读取模式</summary>
static EReadMode getReadMode(EReadMode readmode)
{
EReadMode rm;
if (readmode != EReadMode.自动)
{
rm = readmode;
}
else
{
if (dataStatus == EDataStatus.模拟)
{
rm = EReadMode.模拟;
}
else
{
rm = EReadMode.数据库读取;
}
}
return(rm);
}
///<summary>返回数据表，依据dataStatus的值，用指定键值代表的sql语句或sim语句来读取或模拟数据，模拟时以在参数oldDataTable的数据基础上模拟 </summary>
public static KeyValuePair <EReadMode, DataTable> getDataTableByKey(string key, DataTable oldDataTable, EReadMode readmode = EReadMode.自动, bool isShowMessage = true)
{
SqlSimDesc desc;
if (sentenceCollection.sentences.TryGetValue(key, out desc))
{
return(getDataTable(desc.sql, desc.sim, oldDataTable, readmode, isShowMessage));
}
else
{
System.Windows.MessageBox.Show(String.Format("未找到指定键值{0}的语句！", key));
}
return(new KeyValuePair <EReadMode, DataTable>());
}
///<summary>返回数据表，依据dataStatus的值从数据库用sql语句读取或用sim语句模拟，模拟时以在参数oldDataTable的数据基础上模拟 </summary>
public static KeyValuePair <EReadMode, DataTable> getDataTable(string sql, string sim, DataTable oldDataTable, EReadMode readmode = EReadMode.自动, bool isShowMessage = true)
{
if (getReadMode(readmode) == EReadMode.数据库读取)
{
return(new KeyValuePair <EReadMode, DataTable>(EReadMode.数据库读取, getDataTableFromSQL(sql, isShowMessage)));
}
else
{
return(new KeyValuePair <EReadMode, DataTable>(EReadMode.模拟, Simulate.simData(sim, oldDataTable)));
}
}