/// <summary>
/// 用指定的用户控件以及视图数据呈现结果（HTML），
/// 并生成一段代码，用于将生成的HTML替换哪个DOM节点，
/// 然后将所有产生的HTML代码写入HttpContext.Current.Response
/// 用户控件应从ViewUserControlBase<T>继承
/// </summary>
/// <param name="ucVirtualPath">用户控件的虚拟路径</param>
/// <param name="model">视图数据</param>
/// <param name="targetDomId">需要将输出内容替换哪个DOM节点的内容</param>
/// <param name="flush">是否需要在输出html后调用Response.Flush()</param>
public static void WriteUserControl(this ControllerBase controller, string ucVirtualPath, object model, string targetDomId, bool flush)
{
var context = controller.ControllerContext;
if (context.HttpContext == null)
{
return;
}
if (string.IsNullOrEmpty(context.HttpContext.Response.ContentType))
{
context.HttpContext.Response.ContentType = "text/html";
}
var viewcontext = ViewContext.CreateViewContext(context, model);
viewcontext.TemplatePath = ucVirtualPath;
string html = TemplateViewExecutor.UCHTML(viewcontext);
string tempId = "div-" + Guid.NewGuid().ToString();
context.HttpContext.Response.Write(string.Format("<div id=\"{0}\" style=\"display: none\">", tempId));
context.HttpContext.Response.Write(html);
context.HttpContext.Response.Write(string.Format("</div><script type=\"text/javascript\">document.getElementById(\"{0}\").innerHTML = document.getElementById(\"{1}\").innerHTML;</script>",
targetDomId, tempId));
if (flush)
{
context.HttpContext.Response.Flush();
}
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context"></param>
public override void ExecuteResult(ControllerContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
var viewContext = ViewContext.CreateViewContext(context, ViewData, TempData);
viewContext.TemplateViewType = GetTemplateViewType();
viewContext.TemplatePath = VirtualPath;
context.HttpContext.Response.ContentType = "text/html";
TemplateViewExecutor.Render(viewContext);
}
/// <summary>
/// 用指定的用户控件以及视图数据呈现结果（HTML），
/// 然后将产生的HTML代码写入HttpContext.Current.Response
/// 用户控件应从MyUserControlView<T>继承
/// </summary>
/// <param name="ucVirtualPath">用户控件的虚拟路径</param>
/// <param name="model">视图数据</param>
/// <param name="flush">是否需要在输出html后调用Response.Flush()</param>
public static void WriteUserControl(this ControllerBase controller, string ucVirtualPath, object model, bool flush)
{
var context = controller.ControllerContext;
if (context.HttpContext == null)
{
return;
}
var viewcontext = ViewContext.CreateViewContext(context, model);
viewcontext.TemplatePath = ucVirtualPath;
TemplateViewExecutor.UCRender(viewcontext);
if (flush)
{
context.HttpContext.Response.Flush();
}
}
