/// <summary>
/// 获取实体
/// </summary>
/// <param name="row">数据行</param>
/// <param name="columns">列集合</param>
/// <returns>数据表实体</returns>
protected override T CreateEntity(DataRow row, DataColumnCollection columns)
{
T entity = new T();
PropertyInfo[] props = this._entityType.GetProperties();
foreach (PropertyInfo prop in props)
{
DatabaseColumnAtrribute attr = null;
if (this._columns.TryGetValue(prop.Name, out attr) && attr != null)
{
DbType dbType = (attr.DbType.HasValue ? attr.DbType.Value : DbTypeHelper.InternalGetDbType(prop.PropertyType));
Object value;
if (this.IsNullableType(prop.PropertyType))
{
value = this.LoadNullableValue(row, columns, attr.ColumnName, dbType);
}
else
{
value = this.LoadValue(row, columns, attr.ColumnName, dbType);
}
prop.SetValue(entity, value, null);
}
}
return(entity);
}
private Dictionary <String, DatabaseColumnAtrribute> GetTableColumns()
{
Dictionary <String, DatabaseColumnAtrribute> dict = new Dictionary <String, DatabaseColumnAtrribute>();
PropertyInfo[] props = this._entityType.GetProperties();
foreach (PropertyInfo prop in props)
{
Object[] objs = prop.GetCustomAttributes(typeof(DatabaseColumnAtrribute), true);
foreach (Object obj in objs)
{
DatabaseColumnAtrribute attr = obj as DatabaseColumnAtrribute;
if (attr != null)
{
dict[prop.Name] = attr;
break;
}
}
}
return(dict);
}