public Entry()
{
if (InternalOrmDBPlatform != null)
{
OrmHost = InternalOrmDBPlatform;
}
InternalInit();
}
void AssignLogHandler(OrmDBPlatform orm)
{
orm.InfoInvoker = (obj, info) =>
{
InfoLogMessageQueue.Enqueue(info.ToString());
};
orm.ErrorInvoker = (obj, ex) =>
{
ErrorMessageQueue.Enqueue(ex);
};
}
public static List <T> ToEnityList <T>(this DataTable dt, OrmDBPlatform orm) where T : EntityBase
{
Func <Type, String> GetTableName = (EntityType) =>
{
String tableName = EntityType.Name;
if (tableName.EndsWith("Entity") && tableName != "Entity")
{
if (tableName.EndsWith("_Entity"))
{
tableName = tableName.Remove(tableName.Length - "_Entity".Length, "_Entity".Length);
}
if (tableName.EndsWith("Entity"))
{
tableName = tableName.Remove(tableName.Length - "Entity".Length, "Entity".Length);
}
}
return(tableName);
};
String tableName = GetTableName(typeof(T));
List <T> EntitySet = new List <T>();
int nFileCount = dt.Columns == null ? 0:dt.Columns.Count;
int nRowCount = dt.Rows == null ? 0 : dt.Rows.Count;
if (nRowCount > 0)//如果有数据
{
for (int i = 0; i < nRowCount; i++)
{
dotNetLab.Data.Orm.EntityBase entity = (dotNetLab.Data.Orm.EntityBase)System.Activator.CreateInstance(typeof(T));
for (int j = 0; j < nFileCount; j++) //逐个字段的遍历
{
Object obj = dt.Rows[i][j];
entity.OrmHost = orm;
String colName = dt.Columns[j].ColumnName;
entity.AssignValue(colName, obj);
}
EntitySet.Add((T)entity);
}
}
return(EntitySet);
}
/// <summary>
/// 初始化主数据库用于全局使用数据库
/// 这个对象会把所有实体映射为表
/// 监测实体变更，将变更应用到数据库表中
/// </summary>
void GetMainDbContext()
{
MainDbOrmPlatform = new OrmDBPlatform();
AssignLogHandler(MainDbOrmPlatform);
BeginMeasureDBConnectTime();
bool args = (bool)ConnectDBAction?.Invoke(MainDbOrmPlatform);
EndMeasureDBConnectTime();
if (args)
{
InfoLogMessageQueue.Enqueue($"连接{MainDbOrmPlatform.AdonetContext.GetType().Name}数据库引擎成功");
}
else
{
ErrorMessageQueue.Enqueue(new Exception($"连接{MainDbOrmPlatform.AdonetContext.GetType().Name}数据库引擎失败"));
}
}
public App()
{
InitializeComponent();
if (asm_Sqlite != null)
{
DbContext = new OrmDBPlatform();
SQLiteDBEngine.assembly_Sqlite_Connection = asm_Sqlite;
bool b = DbContext.Connect("你的sqlite 数据库文件路径");
if (b)
{
Console.WriteLine("sqlite 数据库已经连接");
}
else
{
Console.WriteLine("sqlite 数据库未连接");
}
}
MainPage = new MainPage();
}
