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JFinal authored 2017-05-09 23:08 . jfinal 3.1 release ^_^

JAVA 极速WEB+ORM框架 JFinal

JFinal 是基于 Java 语言的极速 WEB + ORM 框架,其核心设计目标是开发迅速、代码量少、学习简单、功能强大、轻量级、易扩展、Restful。在拥有Java语言所有优势的同时再拥有ruby、python等动态语言的开发效率!为您节约更多时间,去陪恋人、家人和朋友 ;)

JFinal有如下主要特点

  • MVC架构,设计精巧,使用简单
  • 遵循COC原则,零配置,无xml
  • 独创Db + Record模式,灵活便利
  • ActiveRecord支持,使数据库开发极致快速
  • 极简、高性能Template Engine,十分钟内掌握基本用法
  • 自动加载修改后的java文件,开发过程中无需重启web server
  • AOP支持,拦截器配置灵活,功能强大
  • Plugin体系结构,扩展性强
  • 多视图支持,支持FreeMarker、JSP、Velocity
  • 强大的Validator后端校验功能
  • 功能齐全,拥有struts2的绝大部分功能
  • 体积小仅538K

JFinal 极速开发微信公众号欢迎你的加入: JFinal

以下是JFinal实现Blog管理的示例:

1. 控制器(支持JFinal Template、JSP、Velocity、JSON等等以及自定义视图渲染)

@Before(BlogInterceptor.class)
public class BlogController extends Controller {
    static BlogService service = new BlogService();

    public void index() {
        setAttr("blogPage", service.paginate(getParaToInt(0, 1), 10));
        render("blog.html");
    }

    public void add() {
    }

    @Before(BlogValidator.class)
    public void save() {
        getModel(Blog.class).save();
        redirect("/blog");
    }

    public void edit() {
        setAttr("blog", service.findById(getParaToInt()));
    }

    @Before(BlogValidator.class)
    public void update() {
        getModel(Blog.class).update();
        redirect("/blog");
    }

    public void delete() {
        service.deleteById(getParaToInt());
        redirect("/blog");
    }
}

2.Service所有业务与sql全部放在Service层

public class BlogService {
    private static final Blog dao = new Blog().dao();
    
    public Page<Blog> paginate(int pageNumber, int pageSize) {
        return dao.paginate(pageNumber, pageSize, "select *", "from blog order by id asc");
    }
    
    public Blog findById(int id) {
        return dao.findById(id);
    }
    
    public void deleteById(int id) {
        dao.deleteById(id);
    }
}

3.Model(无xml、无annotaion、无attribute)

public class Blog extends Model<Blog> {
    
}

4.Validator(API引导式校验,比xml校验方便N倍,有代码检查不易出错)

public class BlogValidator extends Validator {
    protected void validate(Controller controller) {
        validateRequiredString("blog.title", "titleMsg", "请输入Blog标题!");
        validateRequiredString("blog.content", "contentMsg", "请输入Blog内容!");
    }

    protected void handleError(Controller controller) {
        controller.keepModel(Blog.class);
    }
}

5.拦截器(在此demo中仅为示例,本demo不需要此拦截器)

public class BlogInterceptor implements Interceptor {
    public void intercept(Invocation inv) {
        System.out.println("Before invoking " + inv.getActionKey());
        inv.invoke();
        System.out.println("After invoking " + inv.getActionKey());
    }
}

JFinal 官方网站:http://www.jfinal.com

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