blocks|key|546633|text|如果您目前没有做Java开发，并且/或没有做太多的web开发。我肯定不会因为添加框架而使事情复杂化。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|546634|你想要达到什么目的，你需要一个框架之外的Google堆栈？|546635|我已经用Java开发了很多年，因为我需要一个很好的安全和身份验证选项，所以我才开始在我的Google应用程序中使用Spring。我希望我不用它，因为它是一个相当陡峭的学习曲线。|546636|对于使用JSP的简单应用程序，您应该能够完成所需的大部分工作。如果操作正确，您甚至可以在MVC中完成它，如果您愿意的话。|546637|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

If you aren't doing Java development currently, and/or haven't done much web development. I definitely wouldn't complicate things with adding frameworks.

What are you trying to accomplish that you need a framework for outside of the Google App Engine stack?

I've been developing with Java for years and only started using Spring with my Google App Engine app because I need a good security and authentication option. I wish I didn't have to use it since it's a rather steep learning curve.

You should be able to do most everything you need to for a simple app with JSP. If done correctly you can even do it in MVC if you wish.

blocks|key|546655|text|不管您想在Java中做什么，您绝对需要学习核心语言和运行时库的基本部分。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|546656|Java教程涵盖了这一点，并且非常简单。|offset|length|546657|然后，您需要学习Servlet，它是当今几乎所有基于Java的web解决方案的基础。Sun将其放入完整的Java教程中(这有点重)，所以请看一下这个快速概述。|546658|到目前为止，您可以更好地了解您的基本工具箱是什么，并且可以提供信息，以便就您应该选择的技术提供更好的建议。|546659|很抱歉出现了陡峭的学习曲线，但是上面的景色太棒了。|546660|entityMap|0|LINK|mutability|MUTABLE|url|http://download.oracle.com/javase/tutorial/java/TOC.html|1|http://java.sun.com/products/servlet/articles/tutorial/^0|0|0|6|0|0|22|4|1|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@$D|X|E|Y|1|Z]]|A|$]]|$1|F|3|G|5|6|7|10|8|@]|9|@$D|11|E|12|1|13]]|A|$]]|$1|H|3|I|5|6|7|14|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|15|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S]]|T|$5|O|P|Q|A|$R|U]]]]

Regardless of what you want to do in Java you absolutely need to learn your way around the core language and the basic part of the runtime library. 

The <a href="http://download.oracle.com/javase/tutorial/java/TOC.html" rel="nofollow">Java Tutorial</a> covers this and is pretty straightforward.

Then you need to learn the Servlet API which underlies almost all Java-based web solutions today. Sun puts this in the full Java EE tutorial (which is a bit heavy) so have a look at this <a href="http://java.sun.com/products/servlet/articles/tutorial/" rel="nofollow">quick overview</a>.

When you have gotten so far, you have a much better idea of what your basic toolbox is, and can give information allowing to give better advice on what technologies you should choose.

Sorry for the steep learning curve, but the view on top is fantastic.

blocks|key|2099497|text|除了其他人推荐的内容之外，我建议您看看物化，这是一个比API中包含的JDO/JPA简单得多的数据存储API。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2099498|当然，这是在您首先熟悉了Java的核心之后。|2099499|entityMap|0|LINK|mutability|MUTABLE|url|http://code.google.com/p/objectify-appengine/^0|J|2|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

On top of everything else people have recommended, I suggest you take a look at <a href="http://code.google.com/p/objectify-appengine/" rel="nofollow">Objectify</a>, a much simpler datastore API than the JDO/JPA ones included in the App Engine SDK.

This is, of course, after you've gotten familiar with the core of Java first.

I am new to both JAVA and Google App Engine. My Interest in Java stems from its compiled nature, speed and widespread enterprise use, whereas my interest in app engine is mainly because of it's initial free nature along with scalalbility.

I have been through Google's <a href="http://code.google.com/appengine/docs/java/overview.html" rel="nofollow noreferrer">Getting Started</a> and <a href="http://code.google.com/appengine/kb/java.html#frameworks" rel="nofollow noreferrer">FAQ</a>, I have modified the guestbook app and generally played around with the datastore, creating a simple entry system for use at work, using database schemas similar to the guestbook app. I come from a hackish PHP background, and most of my app consists of JSP pages with HTML and scriptlets mixed, with classes for the datastore stuff.

I have read about JSP, JSTL &amp; JSF(not much) and also the basics of appengine, it's limitations,strengths and quotas. I also understand that my current approach is flawed. I have searched for JAVA frameworks and found one too many. I have been through the <a href="http://groups.google.com/group/google-appengine-java/web/will-it-play-in-app-engine?pli=1" rel="nofollow noreferrer">Will it play in App Engine list</a>, but I do no half of the stuff mentioned there. I understand that webapp(used in the overview) is a framework and so is GWT. I understand I have to learn core java first. 
What framework should I begin with which is easy to use and also robust/secure enough to handle a financial app? The framework should also have value, if I were to host it in a pure J2EE environment independent of App Engine.
I would appreciate a word on study resources too. Currently I see <a href="https://rads.stackoverflow.com/amzn/click/com/B003U890SM" rel="nofollow noreferrer" rel="nofollow noreferrer">this book on amazon</a> as a resource but are there cheaper alternatives like a library with a monthly subscription from where I can peruse similar books.(and I know that Google is a real good resource.)
Are there any developers here who have apps hosted on appengine java and would like to share their personal experience of appengine java with a beginner?

I use Eclipse with the Google App Engine plugin to develop and upload my apps.

Beginning Google App Engine Java - Which Framework to start with?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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