static DataF()
{
if (!File.Exists(FILE_PATH))
{
DataF DataF = new DataF();
DataF.saveFile();
}
}
/// <summary>
/// 获取文件中存储的DataF实例
/// </summary>
/// <returns>用以操作数据的DataF实例</returns>
public static DataF getDataF()
{
IFormatter formatter = new BinaryFormatter();
Stream stream = new FileStream(FILE_PATH, FileMode.Open, FileAccess.Read, FileShare.Read);
DataF dataF = (DataF)formatter.Deserialize(stream);
stream.Close();
dataF.getTable();
return(dataF);
}
/// <summary>
/// 新建表
/// </summary>
/// <param name="table">需要新建的表</param>
public void addTable(Table table)
{
if (isTableNameExist(table.TableName) != -1)
{
throw new TableEditException("存在同名表" + table.TableName);
}
tables.Add(table);
saveFile();
DataF.getDataF().addTableData();
}
public void deleteTable(string tableName)
{
int i = isTableNameExist(tableName);
if (i == -1)
{
throw new TableEditException("表不存在" + tableName);
}
tables.RemoveAt(i);
saveFile();
DataF.getDataF().deleteTableData(i);
}