SpringCloud-----SpringCloud简化版（原型）

其他 2018-12-04 16:16:16 阅读次数: 0
版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/zhangminemail/article/details/83659328

1、概念

服务A通过org.springframework.web.client.RestTemplate来调用服务B的程序接口，

实现服务之间的调用

2、工程结构

3、父pom.xml(microcloud)

<?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.zemel</groupId>
	<artifactId>microcloud</artifactId>
	<version>1.0.0</version>
	<packaging>pom</packaging>

	<name>microcloud</name>
	<url>http://maven.apache.org</url>

	<properties>
		<jdk.version>1.8</jdk.version>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>

	<dependencyManagement>
		<dependencies>
			<dependency> <!-- SpringCloud离不开SpringBoot ，必须配置此依赖包 -->
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-dependencies</artifactId>
				<version>1.5.4.RELEASE</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
            <!-- 此演示工程未用到该管理包 -->
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>Finchley.SR2</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
			<dependency>
				<groupId>com.alibaba</groupId>
				<artifactId>druid</artifactId>
				<version>1.0.31</version>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-jetty</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>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-thymeleaf</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
		<!--热加载 -->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-devtools</artifactId>
			<optional>true</optional>
		</dependency>
		<!-- 可要，可不要 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>springloaded</artifactId>
		</dependency>
	</dependencies>

	<build>
		<finalName>microcloud</finalName>
		<plugins>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<configuration>
					<source>${jdk.version}</source>
					<target>${jdk.version}</target>
					<encoding>${project.build.sourceEncoding}</encoding>
				</configuration>
			</plugin>
			<!-- 主要功能进行项目的打包发布处理 -->
			<!-- <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> 
				<configuration> <mainClass>com.zemel.micorboot.App</mainClass> </configuration> 
				<executions> <execution> <goals> <goal>repackage</goal> </goals> </execution> 
				</executions> </plugin> -->
		</plugins>
	</build>
	<modules>
		<module>microcloud-api</module>
		<module>micro-provider-dept-8001</module>
		<module>microcloud-consumer-80</module>
	</modules>
</project>

4、microcloud-api的

pom.xml

<?xml version="1.0"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.zemel</groupId>
    <artifactId>microcloud</artifactId>
    <version>1.0.0</version>
  </parent>
  <artifactId>microcloud-api</artifactId>
  <name>microcloud-api</name>
  <url>http://maven.apache.org</url>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>
</project>

Dept.java

package com.zemel.vo;

import java.io.Serializable;

public class Dept implements Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private Long deptno;
	private String dname;
	private String loc;
	public Long getDeptno() {
		return deptno;
	}
	public void setDeptno(Long deptno) {
		this.deptno = deptno;
	}
	public String getDname() {
		return dname;
	}
	public void setDname(String dname) {
		this.dname = dname;
	}
	public String getLoc() {
		return loc;
	}
	public void setLoc(String loc) {
		this.loc = loc;
	}
	@Override
	public String toString() {
		return "Dept [deptno=" + deptno + ", dname=" + dname + ", loc=" + loc + "]";
	}
	
}

5、microcloud-provider-dept-8001

pom.xml

<?xml version="1.0"?>
<project
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>com.zemel</groupId>
		<artifactId>microcloud</artifactId>
		<version>1.0.0</version>
	</parent>
	<artifactId>microcloud-provider-dept-8001</artifactId>
	<name>microcloud-provider-dept-8001</name>
	<url>http://maven.apache.org</url>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	<dependencies>
		<dependency>
			<groupId>com.zemel</groupId>
			<artifactId>microcloud-api</artifactId>
			<version>1.0.0</version>
		</dependency>
		
		<dependency>
			<groupId>ch.qos.logback</groupId>
			<artifactId>logback-core</artifactId>
		</dependency>
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
		</dependency>
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
		</dependency>
		<dependency>
			<groupId>org.mybatis.spring.boot</groupId>
			<artifactId>mybatis-spring-boot-starter</artifactId>
			<version>1.3.0</version>
		</dependency>
	</dependencies>
</project>

application.yml

server:
  port: 8001

mybatis:
  config-location: classpath:mybatis/mybatis.cfg.xml    # mybatis配置文件所在路径
  type-aliases-package: com.zemel.vo            # 定义所有操作类的别名所在包
  mapper-locations:                                     # 所有的mapper映射文件
  - classpath:mybatis/mapper/**/*.xml
spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource    # 配置当前要使用的数据源的操作类型
    driver-class-name: org.gjt.mm.mysql.Driver      # 配置MySQL的驱动程序类
    url: jdbc:mysql://localhost:3306/mldn8001           # 数据库连接地址
    username: root                                  # 数据库用户名
    password: 123456                            # 数据库连接密码
    dbcp2:                                          # 进行数据库连接池的配置
      min-idle: 5                                   # 数据库连接池的最小维持连接数    
      initial-size: 5                               # 初始化提供的连接数
      max-total: 5                                  # 最大的连接数
      max-wait-millis: 200                          # 等待连接获取的最大超时时间

mybatis.cfg.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration   
    PUBLIC "-//mybatis.org//DTD Config 3.0//EN"   
    "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration> <!-- 进行Mybatis的相应的环境的属性定义 -->
	<settings>	<!-- 在本项目之中开启二级缓存 -->
		<setting name="cacheEnabled" value="true"/>
	</settings>
</configuration>

resources/mapper/com/zemel/Dept.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" 
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.zemel.dao.IDeptDao">
	<select id="findById" resultType="Dept" parameterType="long">
		SELECT deptno,dname,loc FROM dept WHERE deptno=#{deptno} ;
	</select>
	<select id="findAll" resultType="Dept">
		SELECT deptno,dname,loc FROM dept ;
	</select>
	<insert id="doCreate" parameterType="Dept">
		INSERT INTO dept(dname,loc) VALUES (#{dname},database()) ;
	</insert>
</mapper>

logback.xml

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

<configuration scan="true">
	<property name="APP" value="${project.artifactId}" />
	<property name="LOG_HOME" value="/data/www/log/${APP}" />
	<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
		<encoder>
			<pattern>%d{yy-MM-dd.HH:mm:ss.SSS} [%-16t] %-5p %-22c{0} %X{ServiceId} - %m%n</pattern>
		</encoder>
	</appender>
	<appender name="DETAIL"
		class="ch.qos.logback.core.rolling.RollingFileAppender" additivity="false">
		<File>${LOG_HOME}/${APP}_detail.log</File>
		<encoder>
			<pattern>%d{yy-MM-dd.HH:mm:ss.SSS} [%-16t] %-5p %-22c{0} %X{ServiceId} - %m%n</pattern>
		</encoder>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<fileNamePattern>${LOG_HOME}/${APP}_detail.log.%d{yyyyMMdd}</fileNamePattern>
		</rollingPolicy>
	</appender>
	<appender name="ACCESS"
		class="ch.qos.logback.core.rolling.RollingFileAppender" additivity="false">
		<File>${LOG_HOME}/${APP}_access.log</File>
		<encoder>
			<pattern>%d{yy-MM-dd.HH:mm:ss.SSS};%X{ServiceId};%m%n</pattern>
		</encoder>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<fileNamePattern>${LOG_HOME}/${APP}_access.log.%d{yyyyMMdd}</fileNamePattern>
		</rollingPolicy>
	</appender>


	<logger name="ACCESS">
		<appender-ref ref="ACCESS" />
	</logger>
	<logger name="druid.sql.Statement" level="DEBUG" />
	<logger name="cn.zemel.dao" level="TRACE" />

	<root level="INFO">
		<appender-ref ref="DETAIL" />
		<appender-ref ref="CONSOLE" />
	</root>
</configuration>

IDeptDao.java

package com.zemel.dao;

import java.util.List;

import org.apache.ibatis.annotations.Mapper;

import com.zemel.vo.Dept;

@Mapper
public interface IDeptDao {

	boolean doCreate(Dept vo);
	Dept findById(Long id);
	List<Dept> findAll();
	
}

IDeptService.java

package com.zemel.service;

import java.util.List;

import com.zemel.vo.Dept;

public interface IDeptService {

	Dept get(long id);
	boolean add(Dept dept);
	List<Dept> list();
}

DeptServiceImpl.java

package com.zemel.service.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Service;

import com.zemel.dao.IDeptDao;
import com.zemel.service.IDeptService;
import com.zemel.vo.Dept;

@Service
public class DeptServiceImpl implements IDeptService{

	@Resource
	private IDeptDao deptDao;
	
	@Override
	public Dept get(long id) {
		return this.deptDao.findById(id);
	}

	@Override
	public boolean add(Dept dept) {
		return this.deptDao.doCreate(dept);
	}

	@Override
	public List<Dept> list() {
		return this.deptDao.findAll();
	}

}

DeptRest.java

package com.zemel.rest;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.zemel.service.IDeptService;
import com.zemel.vo.Dept;

@RestController
@RequestMapping("/dept")
public class DeptRest {

	@Autowired
	private IDeptService deptService;
	
	@GetMapping("/get/{id}")
	public Dept get(@PathVariable("id") long id){
		return deptService.get(id);
	}
	
	@GetMapping("/list")
	public List<Dept> list(){
		return this.deptService.list();
	}
	
	@PostMapping("/add")
	public Object add(@RequestBody Dept dept){
		return this.deptService.add(dept);
	}
}

IDeptServiceTest.java

package com.zemel.service;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.zemel.vo.Dept;

// 注释部分可配置可不配置
//@SpringBootTest(classes=Dept8001App.class)
//@WebAppConfiguration
@SpringBootTest
@RunWith(SpringJUnit4ClassRunner.class)

public class IDeptServiceTest {

	@Autowired
	private IDeptService deptService;
	
	@Test
	public void testGet() {
		System.out.println(deptService.get(1));
	}

	@Test
	public void testAdd() {
		Dept dept = new Dept();
		dept.setDname("测试部："+System.currentTimeMillis());
		dept.setLoc("位置-"+System.currentTimeMillis());
		System.out.println(this.deptService.add(dept));
	}

	@Test
	public void testList() {
		System.out.println(this.deptService.list());
	}

}

6、microcloud-consumer-80（服务提供者B）

pom.xml

<?xml version="1.0"?>
<project
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>com.zemel</groupId>
		<artifactId>microcloud</artifactId>
		<version>1.0.0</version>
	</parent>
	<artifactId>microcloud-consumer-80</artifactId>
	<name>microcloud-consumer-80</name>
	<url>http://maven.apache.org</url>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	<dependencies>
		<dependency>
			<groupId>com.zemel</groupId>
			<artifactId>microcloud-api</artifactId>
			<version>1.0.0</version>
		</dependency>
	</dependencies>
	>
</project>

application.yml

server:
  port: 80

RestConfig.java

package com.zemel.consumer.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

@Configuration
public class RestConfig {

	@Bean
	public RestTemplate getRestTemplate(){
		return new RestTemplate();
	}
}

DeptController.java

package com.zemel.consumer.controller;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import com.zemel.vo.Dept;

@RestController
@RequestMapping("/consumer/dept")
public class DeptController {
	
	static final String DEPT_GET_URL = "http://dept-8001.com:8001/dept/get/";
	static final String DEPT_LIST_URL = "http://dept-8001.com:8001/dept/list/";
	static final String DEPT_ADD_URL = "http://dept-8001.com:8001/dept/add/";
	
	@Resource
	private RestTemplate restTemplate;

	@GetMapping("/get")
	public Object getDept(long id){
		return this.restTemplate.getForEntity(DEPT_GET_URL+id, Dept.class);
	}
	
	@GetMapping("/list")
	public Object list(){
		return this.restTemplate.getForObject(DEPT_LIST_URL, List.class);
	}
	
	@GetMapping("/add")
	public Object add(@RequestBody Dept dept){
		return this.restTemplate.postForObject(DEPT_ADD_URL, dept, Boolean.class);
	}
}

Consumer80App.java

package com.zemel.consumer;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
 * Hello world!
 *
 */
@SpringBootApplication
public class Consumer80App {
	public static void main(String[] args) {
		SpringApplication.run(Consumer80App.class, args);
	}
}

7、修改C:\Windows\System32\drivers\etc\hosts文件

编辑添加

127.0.0.1 dept-8001.com
127.0.0.1 client.com

8、启动服务8001、启动服务80

访问接口：http://client.com/consumer/dept/get?id=1

最终显示数据，测试通过。

总结：服务8001提供服务接口，服务80通过Rest接口调用

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