/// <summary>
/// 创建一个数据库架构实例
/// </summary>
/// <param name="db">数据提供程序实例</param>
/// <returns></returns>
public static DbSchema Create(Database db)
{
DbSchema schema = null;
switch (db.DatabaseType)
{
case DatabaseType.SqlServer:
schema = new SqlServerSchema(db);
break;
case DatabaseType.Oracle:
schema = new OracleSchema(db);
break;
case DatabaseType.MySql:
schema = new MySqlSchema(db);
break;
case DatabaseType.DB2:
schema = new DB2Schema(db);
break;
case DatabaseType.SQLite:
schema = new SQLiteSchema(db);
break;
case DatabaseType.OleDb:
schema = new OleDbSchema(db);
break;
default:
break;
}
return(schema);
}
private void btnGetTables_Click(object sender, EventArgs e)
{
//清空树列表
tvTables.Nodes.Clear();
//根节点
TreeNode firstNode = new TreeNode();
firstNode.Text = "数据库";
tvTables.Nodes.Add(firstNode);
string dbType = cbDbType.Text;
string connUrl = txtConnectionUrl.Text;
CircleProgressBarDialog dialog = new CircleProgressBarDialog();
dialog.Start(new EventHandler <CircleProgressBarEventArgs>(delegate(object senders, CircleProgressBarEventArgs args)
{
try
{
DBSchema.DbSchema schemaObj = DBSchema.DbSchemaFactory.Create(dbType, connUrl);
if (schemaObj != null)
{
List <SuperCodeFactory.DBSchema.SchemaObject.SOTable> tableList = schemaObj.GetTableList(schemaObj.GetDatabaseList()[0]);
if (tableList != null)
{
foreach (SuperCodeFactory.DBSchema.SchemaObject.SOTable table in tableList)
{
//报告进度
((CircleProgressBarDialog)senders).ReportProgress((int)(((float)tableList.IndexOf(table) / (float)tableList.Count) * 100), 100);
//添加表格节点
TreeNode tableNode = new TreeNode();
tableNode.Text = "表格(" + table.Name + ")";
tableNode.Tag = table;
if (IsHandleCreated)
{
Invoke(new MethodInvoker(delegate()
{
firstNode.Nodes.Add(tableNode);
}));
}
if (table.ColumnList != null)
{
foreach (SuperCodeFactory.DBSchema.SchemaObject.SOColumn col in table.ColumnList)
{
//添加字段节点
TreeNode columnNode = new TreeNode();
columnNode.Text = "字段(" + col.Name + "," + col.DataType + ")";
columnNode.Tag = col;
if (IsHandleCreated)
{
Invoke(new MethodInvoker(delegate()
{
tableNode.Nodes.Add(columnNode);
}));
}
}
}
}
}
//展开根节点
if (IsHandleCreated)
{
Invoke(new MethodInvoker(delegate()
{
firstNode.Expand();
}));
}
}
try
{
Thread.Sleep(100);
}
catch (Exception ex) { }
}
catch (Exception ex)
{
dialog.TopMost = false;
MessageBox.Show("操作失败！Ex:" + ex.ToString());
}
}));
}
