一个Web API控制器可以呈现一个视图作为字符串？ [英] Can a Web Api controller render a view as a string?

问题描述

我想编写一个Web API控制器行动，将根据结果发送电子邮件。我想用一个MVC视图或局部视图的数据模型来呈现电子邮件的正文。

I would like to write a Web Api controller action that would send an email depending on results. I would like to use an MVC View or Partial view with a model of data to render the body of the email.

有没有办法做到这一点？

Is there a way to do this?

我想是这样的：

public class NotificationApiController : ApiController
{
    private IMkpContext db;

    public string ViewNotifications()
    {
        var dataModel = GetDataModel();
        if (dataModel != null) 
        {
            SendEmail(dataModel.ToAddress, dataModel.FromAddress, dataModel.Subject, RenderBody("viewName", dataModel);
        }

        return string.Empty;
    }
}

在哪里RenderBody将查找的viewName，从数据模型填充数据，并渲染视图作为一个字符串。

Where RenderBody would look up the viewName, populate it with data from dataModel, and render the View as a string.

推荐答案

如果您不想将去与RazorEngine的做法提出了意见，你可以这样定义一个类：

If you don´t want to go with the RazorEngine approach suggested in the comments, you could define a class like this:

public static class ViewUtil
{
    public static string RenderPartial(string partialName, object model)
    {
        var sw = new StringWriter();
        var httpContext = new HttpContextWrapper(HttpContext.Current);

        // point to an empty controller
        var routeData = new RouteData();
        routeData.Values.Add("controller", "EmptyController");

        var controllerContext = new ControllerContext(new RequestContext(httpContext, routeData), new EmptyController());

        var view = ViewEngines.Engines.FindPartialView(controllerContext, partialName).View;

        view.Render(new ViewContext(controllerContext, view, new ViewDataDictionary { Model = model }, new TempDataDictionary(), sw), sw);

        return sw.ToString();
    }
}

class EmptyController : Controller { }

这篇关于一个Web API控制器可以呈现一个视图作为字符串？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！