摘要：準(zhǔn)備工作準(zhǔn)備安裝包安裝包安裝配置的環(huán)境變量啟動(dòng)單機(jī)版查看的狀態(tài)編寫(xiě)服務(wù)提供方創(chuàng)建項(xiàng)目創(chuàng)建文件加載容器導(dǎo)入依賴相關(guān)指定端口請(qǐng)求路徑編寫(xiě)接口類(lèi)編寫(xiě)實(shí)現(xiàn)

準(zhǔn)備lnux安裝包

zookeeper安裝包

wget http://mirrors.hust.edu.cn/ap...

安裝zookeeper

tar -zxvf zookeeper-3.4.10

配置zk的環(huán)境變量

啟動(dòng)單機(jī)版zookeeper

  * zkServer.sh start
  * 查看zk的狀態(tài) zkServer.sh status

創(chuàng)建Maven項(xiàng)目

創(chuàng)建web.xml文件

   
        
        
        
        
            contextConfigLocation
            classpath:applicationContext*.xml
        
        
            org.springframework.web.context.ContextLoaderListener
        
        

導(dǎo)入maven依賴

        
            4.2.4.RELEASE
        
    
        
            
            
                org.springframework
                spring-context
                ${spring.version}
            
            
                org.springframework
                spring-beans
                ${spring.version}
            
            
                org.springframework
                spring-webmvc
                ${spring.version}
            
            
                org.springframework
                spring-jdbc
                ${spring.version}
            
            
                org.springframework
                spring-aspects
                ${spring.version}
            
            
                org.springframework
                spring-jms
                ${spring.version}
            
            
                org.springframework
                spring-context-support
                ${spring.version}
            
    
            
            
                com.alibaba
                dubbo
                2.8.4
            
            
                org.apache.zookeeper
                zookeeper
                3.4.6
            
            
                com.github.sgroschupf
                zkclient
                0.1
            
    
            
                javassist
                javassist
                3.11.0.GA
            
    
        
        
            
                
                    org.apache.maven.plugins
                    maven-compiler-plugin
                    2.3.2
                    
                        1.7
                        1.7
                    
                
                
                    org.apache.tomcat.maven
                    tomcat7-maven-plugin
                    
                        
                        8081
                        
                        /
                    
                
            
        
        

編寫(xiě)接口類(lèi)

  
        package cn.itcast.dubbox.service;
        
        public interface UserService {
            
            public String getName();
        
        }

編寫(xiě)實(shí)現(xiàn)類(lèi)

        package cn.itcast.dubbox.service.impl;

        import com.alibaba.dubbo.config.annotation.Service;
        
        import cn.itcast.dubbox.service.UserService;
        
        //dubbo的service注解  用于向zookeeper注冊(cè)服務(wù)
        
        @Service
        public class UserServiceImpl implements UserService {
        
            public String getName() {
                return "itcast";
            }
        }

編寫(xiě)spring配置文件

        
        
        
            //項(xiàng)目名，填寫(xiě)自己的項(xiàng)目名  我的項(xiàng)目名稱叫做 dubbox-service
            
            //這里填寫(xiě)zk的IP以及對(duì)應(yīng)的端口號(hào)
            
            //dubbox 的包掃描
            
        

創(chuàng)建maven項(xiàng)目

創(chuàng)建web.xml文件

   
  4.0.0
  cn.itcast.dubbox.web
  dubbox-web
  0.0.1-SNAPSHOT
  war
  服務(wù)消費(fèi)
  
  
        4.2.4.RELEASE
    

    
        
        
            org.springframework
            spring-context
            ${spring.version}
        
        
            org.springframework
            spring-beans
            ${spring.version}
        
        
            org.springframework
            spring-webmvc
            ${spring.version}
        
        
            org.springframework
            spring-jdbc
            ${spring.version}
        
        
            org.springframework
            spring-aspects
            ${spring.version}
        
        
            org.springframework
            spring-jms
            ${spring.version}
        
        
            org.springframework
            spring-context-support
            ${spring.version}
        

        
        
            com.alibaba
            dubbo
            2.8.4
        
        
            org.apache.zookeeper
            zookeeper
            3.4.6
        
        
            com.github.sgroschupf
            zkclient
            0.1
        

        
            javassist
            javassist
            3.11.0.GA
        

    
    
        
            
                org.apache.maven.plugins
                maven-compiler-plugin
                2.3.2
                
                    1.7
                    1.7
                
            
            
                org.apache.tomcat.maven
                tomcat7-maven-plugin
                
                    
                    8082
                    
                    /
                
            
        
        
        

復(fù)制上面的接口

編寫(xiě)controller

   package cn.itcast.dubbox.controller;

    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import com.alibaba.dubbo.config.annotation.Reference;
    
    import cn.itcast.dubbox.service.UserService;
    
    @RestController
    public class indexController {
        
        @Reference
        UserService userService;
        
        @RequestMapping("/getName")
        public String getName(){
            return userService.getName();
        }
    
    }

編寫(xiě)springmvc.xml文件

啟動(dòng)zk

啟動(dòng)service

啟動(dòng)web

訪問(wèn) localhost:8082/getName