JFinal有如下主要特点

Maven 坐标

<dependency>    <groupId>com.jfinal</groupId>    <artifactId>jfinal</artifactId>    <version>5.2.7</version></dependency>

以下是JFinal实现Blog管理的示例：

@Before(BlogInterceptor.class)publicclassBlogControllerextendsController {@InjectBlogServiceservice;publicvoidindex() {set("blogPage",service.paginate(getInt(0,1),10));render("blog.html");    }publicvoidadd() {    }@Before(BlogValidator.class)publicvoidsave() {getModel(Blog.class).save();redirect("/blog");    }publicvoidedit() {set("blog",service.findById(getInt()));    }@Before(BlogValidator.class)publicvoidupdate() {getModel(Blog.class).update();redirect("/blog");    }publicvoiddelete() {service.deleteById(getInt());redirect("/blog");    }}

publicclassBlogService {privateBlogdao =newBlog().dao();publicPage<Blog>paginate(intpageNumber,intpageSize) {returndao.paginate(pageNumber,pageSize,"select *","from blog order by id asc");    }publicBlogfindById(intid) {returndao.findById(id);    }publicvoiddeleteById(intid) {dao.deleteById(id);    }}

publicclassBlogextendsModel<Blog> {    }

publicclassBlogValidatorextendsValidator {protectedvoidvalidate(Controllercontroller) {validateRequiredString("blog.title","titleMsg","请输入Blog标题!");validateRequiredString("blog.content","contentMsg","请输入Blog内容!");    }protectedvoidhandleError(Controllercontroller) {controller.keepModel(Blog.class);    }}

publicclassBlogInterceptorimplementsInterceptor {publicvoidintercept(Invocationinv) {System.out.println("Before invoking " +inv.getActionKey());inv.invoke();System.out.println("After invoking " +inv.getActionKey());    }}

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