MVC在Google App Engine Java世界中 [英] MVC in a Google App Engine Java world

问题描述

我从C＃& ASP.NET MVC，我很想在Java世界中找到一个可以在Google App Engine上使用的等价物。我已经开始使用 FreeMarker 进行游戏了甚至为编写一个非常简单的框架迈出了第一步。理想情况下，我不需要做所有的努力，但有人必须已经做到了！所以我的问题是 - 那里有什么框架可以让我熟悉来自ASP.NET MVC，我可以在Google App Engine for Java上使用它们。

我想要的关键是：

• 简单路由 - / products / view / 1 被映射到产品控制器的视图操作，产品为1


• 模板引擎 - 一些轻松的方式将'ViewData'传递给视图，并从视图中轻松访问它，理想情况下，我很乐意避免任何太XMLy的东西（因此，为什么我喜欢 FreeMarker ）。

解决方案

我目前正在研究Google使用Spring MVC的App Engine应用程序。它比ASP.NET MVC更成熟，所以你不应该感到失望。作为额外的奖励，您拥有Spring的整个IoC能力。

对于视图层，我尝试使用Velocity。这很简单，但我还没有决定是否会更喜欢JSP。我简要介绍了FreeMaker，但不喜欢我所看到的。如果你想远离XML'y JSP模板，那么我建议你给Velocity一个旋转。

我在GAE上遇到的唯一问题是文件上传。 MultipartResolver实现都依赖于临时文件目录。在编写我自己的实现之后，我回到无缝上传我的模型中的文件。

I'm coming to Java from C# & ASP.NET MVC, I'd love to find an equivalent in the Java world that I could use on the Google App Engine. I've already started to have a play with FreeMarker and even made the first steps towards writing a very simple framework. Ideally I wouldn't have to do all the hard work though, someone must have done this already! So my question is - what frameworks are there out there that would be familiar for me coming from ASP.NET MVC and I could use them on Google App Engine for Java.

The key things I'd want are:

• Simple Routing - /products/view/1 gets mapped to the view action of the products controller with the productid of 1
• Template Engine - some way of easily passing 'ViewData' to the view, and from the view easily accessing it, ideally I'd love to avoid anything that is too XMLy (thus why I like FreeMarker).

解决方案

I am currently working on a Google App Engine app using Spring MVC. It is a lot more mature than ASP.NET MVC so you shouldn't be disappointed. As an added bonus you have the whole IoC power of Spring.

For the view layer I am trying out Velocity. It is pretty simple but I have yet to decide if I will prefer it over JSPs. I had a brief look at FreeMaker but didn't like what I saw. If you want to stay away from XML'y JSP templates than I recommend you give Velocity a spin.

The only problem I have had with Spring on GAE is file uploading. The MultipartResolver implementations both rely on a temporary file directory. After writing my own implementation I'm back to seamless uploading of files in my models.

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