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README
Apache-2.0

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Solon for java

一个微型的Java开发框架,可做为Springboot的轻量化替代方案。

支持jdk8+;主框架0.1mb;组合不同的插件应对不同需求;方便定制;快速开发。

  • 更快、更小、更自由
  • 支持注解与手动两种模式,按需自由操控
  • 自带IOC & AOP容器,支持PRC、REST API、MVC开发
  • 集合 Handler + Context 和 Listener + Message 两种架构模式;强调插件式扩展;适应不同的应用场景
  • 统一 Http、WebSocket、Socket 三种信号的开发体验
  • 插件可扩展可切换:启动插件,扩展插件,序列化插件,数据插件,会话状态插件,视图插件(可共存) 等...
  • 使用感觉与 Spring Boot 近似,迁移成本低

Hello world:

//Handler 模式:
public class App{
    public static void main(String[] args){
        SolonApp app = Solon.start(App.class,args);
        
        app.get("/",(c)->c.output("Hello world!"));
    }
}

//Controller 模式:
@Controller
public class App{
    public static void main(String[] args){
        Solon.start(App.class,args);
    }
  
    @Mapping("/")
    public Object home(Context c){
        return "Hello world!";  
    }
}

主框架及快速集成开发包:

主框架
组件 说明
org.noear:solon-parent 框架版本管理
org.noear:solon 主框架
org.noear:nami 伴生框架(做为solon rpc 的客户端);由 Fairy 更名而来
快速集成开发包
组件 说明
org.noear:solon-lib 快速开发基础集成包
org.noear:solon-api solon-lib + http boot;快速开发接口应用
org.noear:solon-web solon-api + freemarker + sessionstate;快速开发WEB应用
org.noear:solon-rpc solon-api + nami;快速开发RPC应用
org.noear:solon-cloud solon-rpc + consul;快速开发微服务应用

附1:与其它框架的异同性

《Solon 特性简集,相较于 Springboot 有什么区别?》

附2:示例与文章

附3:快速入门示例

  • Web 示例(mvc)
<parent>
    <groupId>org.noear</groupId>
    <artifactId>solon-parent</artifactId>
    <version>1.3.20</version>
</parent>

<dependencies>
    <dependency>
        <groupId>org.noear</groupId>
        <artifactId>solon-web</artifactId>
    </dependency>
</dependencies>
//资源路径说明(不用配置)
resources/application.properties(或 application.yml) 为应用配置文件
resources/static/ 为静态文件根目标
resources/WEB-INF/view/ 为视图文件根目标(支持多视图共存)

//调试模式:
启动参数添加:-debug=1
public class App{
    public static void main(String[] args){
        Solon.start(App.class, args);
    }
}

/*
 * mvc控制器
 */
@Controller
public class DemoController{
    //for http
    @Mapping("/hallo/{u_u}")
    public ModelAndView hallo(String u_u){
        return new ModelAndView("hallo");
    }
    
    /*
    //for web socket (需添加:solon.boot.websocket 插件)
    @Mapping(value="/hallo/{u_u}", method = MethodType.WEBSOCKET)
    public ModelAndView hallo_ws(String u_u){
        return new ModelAndView("hallo");
    }
    */
}
  • Rpc 示例
// - interface : 定义协议
public interface DemoService{
    void setName(Integer user_id, String name);
}

// - server : 实现协议
@Mapping("/demo/*")
@Component(remoting = true)
public class DemoServiceImp implements DemoService{
    public void setName(int user_id, String name){
        
    }
}

// - client - 简单示例
//注入模式
//@NamiClient("http://127.0.0.1:8080/demo/") 
//DemoService client;

//构建模式
DemoService client = Nami.builder().upstream(n->"http://127.0.0.1:8080/demo/").create(DemoService.class); 
client.setName(1,'');

  • 获取应用配置
//非注入模式
Solon.cfg().get("app_key"); //=>String
Solon.cfg().getInt("app_id",0); //=>int
Solon.cfg().getProp("xxx.datasource"); //=>Properties

//注入模式
@Configuration //or @Controller, or @Component
public class Config{
    @Inject("${app_key}")
    String app_key;

    @Inject("${app_title:Solon}")
    String app_title;
}
  • 事务与缓存控制(+验证)
@Valid
@Controller
public class DemoController{
    @Db
    BaseMapper<UserModel> userService;
    
    @NotZero("user_id")
    @CacheRemove(tags = "user_${user_id}")
    @Tran
    @Mapping("/user/update")
    public void udpUser(int user_id, UserModel user){
        userService.updateById(user);
    }

    @NotZero("user_id")
    @Cache(tags = "user_${user_id}")
    public UserModel getUser(int user_id){
        return userService.selectById(user_id);
    }
}
  • 文件上传与输出
@Controller
public class DemoController{
    @Mapping("/file/upload")
    public void upload(UploadedFile file){
        IoUtil.save(file.content, "/data/file_" + file.name);
    }

    @Mapping("/file/down")
    public void down(Context ctx, String path){
        URL uri = Utils.getResource(path);

        ctx.contentType("json/text");
        ctx.output(uri.openStream());
    }
}
  • Servlet 注解支持
@WebFilter("/hello/*")
public class HelloFilter implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        servletResponse.getWriter().write("Hello,我把你过滤了");
    }
}
  • Quartz 定时任务
@Quartz(cron7x = "0 0/1 * * * ? *")
public class HelloTask implements Runnable {
    public static void main(String[] args){
        Solon.start(QuartzRun2.class,args);
    }
    
    @Override
    public void run() {
        System.out.println("Hello world");
    }
}
  • 体外扩展加载 jar
demoApp.jar             #主程序
ext/                    #扩展目录
ext/ext.markdown.jar    #MD格式支持扩展包
  • 单链接双向RPC(客户端链上服务端之后,形成双向RPC)
//server
@Mapping(value = "/demoh/rpc", method = MethodType.SOCKET)
@Component(remoting = true)
public class HelloRpcServiceImpl implements HelloRpcService {
    public String hello(String name) {
        //此处,可以根据 client session 创建一个连接 client 的 rpc service
        NameRpcService rpc = SocketD.create(Context.current(), NameRpcService.class);

        String name2 = rpc.name(name);

        return "name=" + name;
    }
}

//client
HelloRpcService rpc = SocketD.create("tcp://localhost:"+_port, HelloRpcService.class);

String rst = rpc.hello("noear");

附4:插件开发说明

  • 新建一个 maven 项目
  • 新建一个 java/{包名}/XPluginImp.java (implements XPlugin)
  • 新建一个 resources/META-INF/solon/{包名.properties}
  • 添加配置:solon.plugin={包名}.XPluginImp

附5:启动顺序参考

  • 1.实例化 Solon.global() 并加载配置
  • 2.加载扩展文件夹
  • 3.扫描插件并排序
  • 4.运行 initialize 函数
  • 5.推送 AppInitEndEvent 事件
  • 6.运行插件
  • 7.推送 PluginLoadEndEvent 事件
  • 8.导入java bean(@Import)
  • 9.扫描并加载java bean
  • a.推送 BeanLoadEndEvent 事件
  • b.加载渲染印映关系
  • c.执行bean加完成事件
  • d.推送 AppLoadEndEvent 事件
  • e.结束

附6:Helloworld 的单机并发数 《helloworld_wrk_test》

  • 机器:2017 macbook pro 13, i7, 16g, MacOS 10.15, jdk11
  • 测试:wrk -t10 -c200 -d30s --latency "http://127.0.0.1:8080/"
solon 1.1.2 大小 QPS
solon.boot.jlhttp(bio) 0.1m 4.7万左右
solon.boot.jetty(nio, 支持servlet api) 1.8m 10.7万左右
solon.boot.undertow(nio, 支持servlet api) 4.2m 11.3万左右
solon.boot.smarthttp(aio) 0.3m 12.4万左右
spring boot 2.3.3 大小 QPS
spring-boot-starter-tomcat 16.1m 3.2万左右
spring-boot-starter-jetty 16m 3.7万左右
spring-boot-starter-undertow 16.8m 4.4万左右
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noear::一个微型的Java 开发框架 展开 收起
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