Dubbo是阿里巴巴公司開源的一個高效能優秀的服務框架，使得應用可通過高效能的 RPC 實現服務的輸出和輸入功能，可以和Spring框架無縫整合。
以上介紹來源於百度百科，具體dubbo相關可以自行查詢資料，本文只是介紹SpringBoot簡單整合dubbo。
1.安裝zookeeper
1.1 去官網下載，本文以3.4.12 版本為例子mirrors.hust.edu.cn/apache/zook…
1.2 下載之後解壓ZooKeeper
1.3 進入解壓資料夾conf目錄
1.4 將zoo_sample.cfg修改名稱為zoo.cfg
1.5 修改內容為如下，注意，本人是將ZooKeeper解壓到了e盤，具體
dataDir和dataDirLog屬性可以根據自己情況修改。
# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just
# example sakes.
dataDir=E:\\zookeeper\\data
dataDirLog=E:\\zookeeper\\log
# the port at which the clients will connect
clientPort=2181
# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1
複製程式碼1.6 啟動zookeeper，進入bin目錄，雙擊zkServer.cmd
2 新建專案springboot_dubbo_server，專案中加入dubbo依賴，完整pom如下：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.dalaoyang</groupId>
<artifactId>springboot_dubbo_server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>springboot_dubbo_server</name>
<description>springboot_dubbo_server</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.9.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.dubbo.springboot</groupId>
<artifactId>spring-boot-starter-dubbo</artifactId>
<version>1.0.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
複製程式碼配置檔案如下：
##埠號
server.port=8880
## Dubbo 服務提供者配置
spring.dubbo.application.name=dubbo_server
spring.dubbo.registry.address=zookeeper://39.108.123.128:2181
spring.dubbo.protocol.name=dubbo
spring.dubbo.protocol.port=20880
spring.dubbo.scan=com.dalaoyang.dubbo
複製程式碼定義一個Service Interface：HelloService.java
package com.dalaoyang.dubbo;
/**
* @author dalaoyang
* @Description
* @project springboot_learn
* @package com.dalaoyang.dubbo
* @email yangyang@dalaoyang.cn
* @date 2018/6/14
*/
public interface HelloService {
String SayHello(String name);
}
複製程式碼介面的實現類：HelloServiceImpl.java
package com.dalaoyang.dubbo.imp;
import com.alibaba.dubbo.config.annotation.Service;
import com.dalaoyang.dubbo.HelloService;
/**
* @author dalaoyang
* @Description
* @project springboot_learn
* @package com.dalaoyang.dubbo.imp
* @email yangyang@dalaoyang.cn
* @date 2018/6/14
*/
@Service(version = "1.0.0")
public class HelloServiceImpl implements HelloService {
@Override
public String SayHello(String name) {
return "Hello , "+name;
}
}
複製程式碼到這裡dubbo服務提供者已經建立完成。
3.新建專案springboot_dubbo_client，pom與提供者一致，程式碼如下：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.dalaoyang</groupId>
<artifactId>springboot_dubbo_client</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>springboot_dubbo_client</name>
<description>springboot_dubbo_client</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.9.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.dubbo.springboot</groupId>
<artifactId>spring-boot-starter-dubbo</artifactId>
<version>1.0.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
複製程式碼配置檔案如下：
## 埠號
server.port=8881
##Dubbo 服務消費者配置
spring.dubbo.application.name=dubbo_client
spring.dubbo.registry.address=zookeeper://39.108.123.128:2181
spring.dubbo.scan=com.dalaoyang.controller
複製程式碼HelloService介面如下：
package com.dalaoyang.dubbo;
/**
* @author dalaoyang
* @Description
* @project springboot_learn
* @package com.dalaoyang.dubbo
* @email yangyang@dalaoyang.cn
* @date 2018/6/14
*/
public interface HelloService {
String SayHello(String name);
}
複製程式碼建立一個controller進行測試，注意版本號要與提供者的版本號一致，dubbo掃描包要掃描到我們要使用的類上，程式碼如下：
package com.dalaoyang.controller;
import com.alibaba.dubbo.config.annotation.Reference;
import com.dalaoyang.dubbo.HelloService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* @author dalaoyang
* @Description
* @project springboot_learn
* @package com.dalaoyang.controller
* @email yangyang@dalaoyang.cn
* @date 2018/6/14
*/
@RestController
public class HelloController {
@Reference(version = "1.0.0")
HelloService helloService;
@GetMapping("sayHello")
public String sayHello(String name){
return helloService.SayHello(name);
}
}
複製程式碼到這裡dubbo服務呼叫者也建立完成。
分別啟動服務提供者專案和服務呼叫者專案，在瀏覽器訪問http://localhost:8881/sayHello?name=dalaoyang，如圖，證明呼叫成功。
更多springboot-dubbo配置可以參考github.com/JeffLi1993/…
原始碼下載 ：大老楊碼雲
個人網站：www.dalaoyang.cn