/// <summary>
/// 处理前操作
/// </summary>
/// <param name="context">TagHelper上下文</param>
/// <param name="output">TagHelper输出</param>
protected override void ProcessBefore(TagHelperContext context, TagHelperOutput output)
{
_config.Load(context, output);
_config.InitShare();
ResolveExpression();
AddColumnToParent();
}
/// <summary>
/// 处理前操作
/// </summary>
/// <param name="context">上下文</param>
protected override void ProcessBefore(Context context)
{
_config.Load(context);
_config.InitShare();
ResolveExpression();
AddColumnToParent();
}