Spring整合Dubbo框架过程及原理解析

<?xml version="1.0" encoding="UTF-8"?>

  
  4.0.0
  war
  
  dubbodemo_provider
 
 
    
      com.alibaba
      dubbo
      2.6.6
    
    
    
      io.netty
      netty-all
      4.1.32.Final
    
    
      org.apache.curator
      curator-framework
      4.0.0
      
        
          org.apache.zookeeper
          zookeeper
        
      
    
    
      org.apache.zookeeper
      zookeeper
      3.4.7
    
    
      com.github.sgroschupf
      zkclient
      0.1
    
    
      javassist
      javassist
      3.12.1.GA
    
    
      com.alibaba
      fastjson
      1.2.47
    
  
 

<?xml version="1.0" encoding="UTF-8"?>


 
 
  contextConfigLocation
  classpath:spring/applicationContext-provider.xml
 
 
  org.springframework.web.context.ContextLoaderListener
 

package com.test.dubbo.api;
public interface HelloService {
  public String sayHello(String name);
}

package com.test.service.impl;

import com.test.dubbo.api.HelloService;
//这个service并不是spring提供的，是dubbo的service代替的
import com.alibaba.dubbo.config.annotation.Service;

@Service //把此服务注册到zookeeper
public class HelloServiceImpl implements HelloService {
  public String sayHello(String name) {
   return "hello " + name;
  }
}

<?xml version="1.0" encoding="UTF-8"?>

  
  
  
  
  
  
  
  

package com.test;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.io.IOException;

public class DemoProvider {

  public static void main(String[] args) throws IOException {
//    加载配置文件，启动容器
    ClassPathXmlApplicationContext app = new ClassPathXmlApplicationContext("classpath:spring/applicationContext-provider.xml");
    app.start();
    System.in.read(); //等待控制台回车。如果不回车就一直卡这儿不继续
  }
}

<?xml version="1.0" encoding="UTF-8"?>


 
  springmvc
  org.springframework.web.servlet.DispatcherServlet
  
  
   contextConfigLocation
   classpath:spring/springmvc.xml
  
 

 
  springmvc
  *.do
 

package com.test.controller;
import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.dubbo.api.HelloService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
@RequestMapping("/demo")
public class HelloController {
  @Reference//这里使用dubbo提供的，用来代替@Autowired来注入服务
  private HelloService helloService;

  @RequestMapping("/hello")
  @ResponseBody
  public String getName(String name){
   //远程调用
   String result = helloService.sayHello(name);
   System.out.println(result);
   return result;
  }
}

<?xml version="1.0" encoding="UTF-8"?>