在拥有Java语言所有优势的同时再拥有ruby、python、php等动态语言的开发效率 ... 控制器(支持FreeMarker、JSP、Velocity、JSON等以及自定义视图渲染)2：Model(无xml、无annotation、无attribute、无getter、无setter)3：Validator(API引导式校验，比xml校验方便N倍，有代码检查不易出错 ...

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