TableStruct ReadTableStruct()
{
var table = new TableStruct();
Extensions.ReadTableAttribute <T>(ref table);
Extensions.ReadColumns <T>(ref table);
return(table);
}
public static void ReadTableAttribute <T>(ref TableStruct table)
{
var type = typeof(T);
var tableAttr = GetCustomAttribute <TableAttribute>(type);
if (tableAttr == null)
{
throw (new Exception($"{ typeof(T)} TableAttribute 属性未正确设置"));
}
table.TableName = tableAttr.Name;
table.TableSchema = string.IsNullOrEmpty(tableAttr.Schema) ? "dbo" : tableAttr.Schema;
}
public static void ReadColumns <T>(ref TableStruct table)
{
var type = typeof(T);
table.Columns = new List <Column>();
PropertyInfo[] pro = type.GetProperties();
foreach (PropertyInfo propInfo in pro)
{
var colAttr = propInfo.GetCustomAttribute <ColumnAttribute>();
if (colAttr != null)
{
var key = propInfo.GetCustomAttribute <KeyAttribute>();
var generated = propInfo.GetCustomAttribute <DatabaseGeneratedAttribute>();
var col = new Column
{
Name = string.IsNullOrEmpty(colAttr.Name)? propInfo.Name: colAttr.Name,
TypeName = propInfo.PropertyType,
Primary = (key != null),
Identity = (generated != null && generated.DatabaseGeneratedOption == DatabaseGeneratedOption.Identity),
};
table.Columns.Add(col);
}
}
}
