GetExist <T>(T ob)
{
if (String.IsNullOrEmpty(ConnectionString))
{
ConnectionString = GlobalSqlContext.GetConStr(typeof(T), "");
}
using (System.Data.SqlClient.SqlConnection con = new System.Data.SqlClient.SqlConnection(ConnectionString))
{
con.Open();
var gernerater = new MSSQL.MSSSqlCommandGenerater();
var command = gernerater.GenerateExitsSql <T>(ob);
command.Connection = con;
// int insertRowCount = command.ExecuteNonQuery();
command.Connection = con;
SqlDataAdapter adapter = new SqlDataAdapter(command as SqlCommand);
DataTable table = new DataTable();
T newob = (T)typeof(T).Assembly.CreateInstance(typeof(T).FullName);
adapter.Fill(table);
if (table.Rows.Count > 0)
{
SetObject(newob, table.Rows[0]);
return(newob);
}
else
{
return(null);
}
}
}
public object GetNextKey <T>(T ob)
{
if (String.IsNullOrEmpty(ConnectionString))
{
ConnectionString = GlobalSqlContext.GetConStr(typeof(T), "");
}
using (System.Data.SqlClient.SqlConnection con = new System.Data.SqlClient.SqlConnection(ConnectionString))
{
con.Open();
var gernerater = new MSSQL.MSSSqlCommandGenerater();
var command = gernerater.GenerateGetNextKey <T>(ob);
command.Connection = con;
SqlDataAdapter adapter = new SqlDataAdapter(command as SqlCommand);
DataTable table = new DataTable();
adapter.Fill(table);
if (table.Rows.Count > 0)
{
return(table.Rows[0][0]);
}
else
{
return(null);
}
}
}
public List <I> Get <T, I>(System.Data.SqlClient.SqlCommand selectCommand) where T : class, I, new()
{
var sqlCon = ConnectionString;
if (string.IsNullOrEmpty(sqlCon))
{
sqlCon = GlobalSqlContext.GetConStr(typeof(T), "");
}
ConnectionString = sqlCon;
using (System.Data.SqlClient.SqlConnection con = new System.Data.SqlClient.SqlConnection(sqlCon))
{
con.Open();
selectCommand.Connection = con;
var adapter = new System.Data.SqlClient.SqlDataAdapter(selectCommand as SqlCommand);
DataTable table = new DataTable();
adapter.Fill(table);
List <I> result = new List <I>();
var Type = typeof(T);
var Properties = Type.GetProperties();
for (int i = 0; i < table.Rows.Count; i++)
{
I item = new T();
SetObject(item, table.Rows[i], Properties);
result.Add((T)item);
}
return(result);
}
}
public List <T> GetItems <T>(object ob, string ParentProperty = null)
{
if (String.IsNullOrEmpty(ConnectionString))
{
ConnectionString = GlobalSqlContext.GetConStr(typeof(T), "");
}
using (System.Data.SqlClient.SqlConnection con = new System.Data.SqlClient.SqlConnection(ConnectionString))
{
var Type = typeof(T);
var Properties = Type.GetProperties();
PropertyInfo parentInfo = null;
if (ParentProperty == null)
{
foreach (var property in Properties)
{
var attrib = property.GetCustomAttributes(typeof(ParentRelationAttribute), true);
if (attrib.Length > 0)
{
parentInfo = property;
break;
}
else if (property.PropertyType == ob.GetType())
{
parentInfo = property;
}
}
}
else
{
parentInfo = Type.GetProperty(ParentProperty);
}
con.Open();
var selectCommand = new MSSQL.MSSSqlCommandGenerater().GenerateSelectItemsSql <T>(ob, parentInfo);
selectCommand.Connection = con;
var adapter = new System.Data.SqlClient.SqlDataAdapter(selectCommand as SqlCommand);
DataTable table = new DataTable();
adapter.Fill(table);
List <T> result = new List <T>();
for (int i = 0; i < table.Rows.Count; i++)
{
var item = Type.Assembly.CreateInstance(Type.FullName);
SetObject(item, table.Rows[i], Properties, true);
parentInfo.SetValue(item, ob, null);
result.Add((T)item);
}
return(result);
}
}
private void Delete <T>(T ob, bool Submit)
{
if (String.IsNullOrEmpty(ConnectionString))
{
ConnectionString = GlobalSqlContext.GetConStr(typeof(T), "");
}
var gernerater = new MSSQL.MSSSqlCommandGenerater();
// var command = gernerater.GenerateDeleteSql<T>(ob);
var UpdateSqlCommand = gernerater.GenerateDeleteSql <T>(ob);
this.TransmitCommands.Enqueue(new SqlTransAutoMic()
{
ob = ob, command = UpdateSqlCommand, Operation = Soway.DB.SqlOperation.delete
});
if (Submit)
{
this.SubmitChanges();
}
}
/// <summary>
/// 新建
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="ob"></param>
private void Create <T>(T ob, bool Submit)
{
var sqlCon = ConnectionString;
if (string.IsNullOrEmpty(sqlCon))
{
sqlCon = GlobalSqlContext.GetConStr(typeof(T), "");
}
ConnectionString
= sqlCon;
var gernerater = new MSSQL.MSSSqlCommandGenerater();
var command = gernerater.GenerateCreateSql <T>(ob, this);
// var UpdateSqlCommand = gernerater.GenerateSeletedAutoGernerateSql<T>(ob);
this.TransmitCommands.Enqueue(new SqlTransAutoMic()
{
ob = ob, command = command, Operation = SqlOperation.insert
});
var UpdateSqlCommand = gernerater.GenerateSeletedAutoGernerateSql <T>(ob);
if (UpdateSqlCommand != null)
{
this.TransmitCommands.Enqueue(new SqlTransAutoMic()
{
ob = ob,
command = UpdateSqlCommand,
Operation = SqlOperation.updateafterinsert
});
}
if (Submit)
{
this.SubmitChanges();
}
}
private I InternalGetDetail <I, T>(object key) where T : class, I, new()
{
if (String.IsNullOrEmpty(ConnectionString))
{
ConnectionString = GlobalSqlContext.GetConStr(typeof(T), "");
}
if (key == null)
{
return(default(I));
}
using (System.Data.SqlClient.SqlConnection con = new System.Data.SqlClient.SqlConnection(ConnectionString))
{
con.Open();
var selectCommand = new MSSQL.MSSSqlCommandGenerater().GenerateGetItem <T>(key);
selectCommand.Connection = con;
var adapter = new System.Data.SqlClient.SqlDataAdapter(selectCommand as SqlCommand);
DataTable table = new DataTable();
adapter.Fill(table);
var Type = typeof(T);
var Properties = Type.GetProperties();
if (table.Rows.Count > 0)
{
var item = new T();
SetObject(item, table.Rows[0], Properties, true);
return(item);
}
return(default(I));
}
}