protected string RenderHtmlElements()
{
StringBuilder formHtml = new StringBuilder();
if (!_fapColumns.Any())
{
return("未发现元数据");
}
formHtml.AppendLine("<form class=\"form-horizontal\" method=\"post\" id=\"##formid##\" role=\"form\">");
formHtml.AppendLine(RenderBaseControl());
formHtml.AppendLine(RenderFormContent());
//formToken 用于防止重复提交
string avoidRepeatToken = UUIDUtils.Fid;
formHtml.AppendLine(CreateHiddenControl(FapWebConstants.AVOID_REPEAT_TOKEN, avoidRepeatToken));
//XSRF/CSRF 防护
IAntiforgery antiforgery = ActivatorUtilities.GetServiceOrCreateInstance <IAntiforgery>(_serviceProvider);
var context = _serviceProvider.GetService <IHttpContextAccessor>();
IHtmlContent antiforeryHtml = antiforgery.GetHtml(context.HttpContext);
var writer = new System.IO.StringWriter();
antiforeryHtml.WriteTo(writer, HtmlEncoder.Default);
formHtml.AppendLine(writer.ToString());
//放验证信息
formHtml.AppendLine("<div class=\"error\"> </div>");
formHtml.AppendLine("</form>");
formHtml.AppendLine("<div class=\"row\">");
formHtml.AppendLine("<div class=\"col-xs-12 col-sm-6\" id=\"frm-result\"></div>");
formHtml.AppendLine("</div>");
formHtml.Replace("##formid##", $"frm-{FormId}");
return(formHtml.ToString());
}
protected override void GenerateEndForm()
{
// Always output an anti-forgery token
IAntiforgery antiforgery = _viewContext.HttpContext.RequestServices.GetRequiredService <IAntiforgery>();
IHtmlContent antiforgeryHtml = antiforgery.GetHtml(_viewContext.HttpContext);
_viewContext.Writer.Write(antiforgeryHtml.ToHtmlString());
// write out the hidden surface form routes
_viewContext.Writer.Write(_surfaceControllerInput);
base.GenerateEndForm();
}