## JAVA 极速WEB+ORM框架 JFinal
[中文](README.md) [English](README_en.md)
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,支持零配置,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、强大、高性能模板引擎 Enjoy,十分钟内掌握 90% 用法
- 自动加载修改后的 Java 文件,开发过程中无需重启服务
- 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 Enjoy、FreeMarker、JSP
- 强大的 Validator 后端校验功能
- 功能齐全,拥有传统 SSH 框架的绝大部分核心功能
- 体积小仅 832 KB,并且无第三方依赖
**JFinal 极速开发微信公众号欢迎你的加入: JFinal**
## Maven 坐标
```java
<dependency>
<groupId>com.jfinal</groupId>
<artifactId>jfinal</artifactId>
<version>5.1.1</version>
</dependency>
```
## 以下是JFinal实现Blog管理的示例:
**1. 控制器(支持 Enjoy、JSP、JSON等等以及自定义视图渲染)**
```java
@Before(BlogInterceptor.class)
public class BlogController extends Controller {
@Inject
BlogService service;
public void index() {
set("blogPage", service.paginate(getInt(0, 1), 10));
render("blog.html");
}
public void add() {
}
@Before(BlogValidator.class)
public void save() {
getModel(Blog.class).save();
redirect("/blog");
}
public void edit() {
set("blog", service.findById(getInt()));
}
@Before(BlogValidator.class)
public void update() {
getModel(Blog.class).update();
redirect("/blog");
}
public void delete() {
service.deleteById(getInt());
redirect("/blog");
}
}
```
**2.Service所有业务与sql全部放在Service层**
```java
public class BlogService {
private 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)**
```java
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)**
```java
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)**
```java
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());
}
}
```
## 更多支持
- JFinal 官方网站 [https://jfinal.com](https://jfinal.com/)
- 扫码关注官方微信公众号,第一时间尊享最新动向
![JFinal](https://jfinal.com/assets/img/jfinal_weixin_service_qr_code_150.jpg)
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