微服务架构之路（二）：父项目及服务注册与发现中心（Eureka）搭建

其他 2018-11-16 03:30:26 阅读次数: 0

1、创建spring boot父项目

（1.1）file---new----project:

（1.2）选择spring initializr，选择自己本地安装的jdk。点击next

（1.3）填写自己的项目信息，next：

（1.4）选择core-devtools即可，然后点next：

（1.5）填写项目名和位置，点击finish：

（1.6）父项目创建完之后需要进行微调：

（1.6.1）删除src目录

（1.6.2）pom.xml文件：打包方式改为pom；添加相关依赖，最终pom文件如下：

<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.zijin</groupId>
    <artifactId>foodsbu-parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>
    
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.9.RELEASE</version>
    </parent>
    <repositories>
        <!--阿里云仓库 -->
        <repository>
            <id>aliyun</id>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
        </repository>
        <!--快照版本使用,正式版本无需添加此仓库 -->
        <repository>
            <id>snapshots</id>
            <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
        </repository>
    </repositories>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <spring-cloud.version>Dalston.SR5</spring-cloud.version>
        <commons-lang3.version>3.5</commons-lang3.version>
        <guava.version>19.0</guava.version>
        <javax.servlet.version>3.1.0</javax.servlet.version>
        <joda-time.version>2.9.8</joda-time.version>
        <activiti.version>6.0.0</activiti.version>
        <springfox-swagger2>2.7.0</springfox-swagger2>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/joda-time/joda-time -->
        <dependency>
            <groupId>joda-time</groupId>
            <artifactId>joda-time</artifactId>
        </dependency>
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-resources-plugin</artifactId>
            <version>2.6</version>
        </dependency>
    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-lang3</artifactId>
                <version>${commons-lang3.version}</version>
            </dependency>
            <!-- https://mvnrepository.com/artifact/joda-time/joda-time -->
            <dependency>
                <groupId>joda-time</groupId>
                <artifactId>joda-time</artifactId>
                <version>${joda-time.version}</version>
            </dependency>
            <dependency>
                <groupId>com.google.guava</groupId>
                <artifactId>guava</artifactId>
                <version>${guava.version}</version>
            </dependency>
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>javax.servlet-api</artifactId>
                <scope>provided</scope>
                <version>${javax.servlet.version}</version>
            </dependency>
            <dependency>
                <groupId>org.activiti</groupId>
                <artifactId>spring-boot-starter-basic</artifactId>
                <version>${activiti.version}</version>
            </dependency>
            <dependency>
                <groupId>org.activiti</groupId>
                <artifactId>activiti-spring-boot-starter-basic</artifactId>
                <version>${activiti.version}</version>
            </dependency>
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-swagger2</artifactId>
                <version>${springfox-swagger2}</version>
            </dependency>
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-swagger-ui</artifactId>
                <version>${springfox-swagger2}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <!-- 跳过测试 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <configuration>
                    <skip>true</skip>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

2、创建core项目，项目的核心依靠。

在项目foodsbu-parent上右键---new---module，填写自己的项目信息，最后选择lombok，如图：

3、创建eureka项目，服务发现与注册中心。

（3.1）跟创建core项目一样，只不过最后选择web项目，如图：

 

（3.2）修改application.properties为application.yml，并添加一下内容：

server:
  port: 8761
  context-path: /foodsbu-eureka
spring:
  application:
    name: foodsbu-eureka
eureka:
  instance:
    hostname: localhost
  #    hostname: foodsbu-eureka
  client:
    register-with-eureka: true #是否注册自身
    fetch-registry: false #是否启动报警
    service-url:
      defaultZone: http://admin:admin@${eureka.instance.hostname}:${server.port}/${server.context-path}/eureka/
#配置安全认证
security:
  basic:
    enabled: true
  user:
    name: admin
    password: admin

4、父项目添加项目，core项目修改父项目，eureka修改父项目并添加core依赖，最终pom文件如下：

（4.1）parent项目的pom.xml:

<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.zijin</groupId>
    <artifactId>foodsbu-parent</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>
    <modules>
        <module>foodsbu-core</module>
        <module>foodsbu-eureka</module>
    </modules>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.9.RELEASE</version>
    </parent>
    <repositories>
        <!--阿里云仓库 -->
        <repository>
            <id>aliyun</id>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
        </repository>
        <!--快照版本使用,正式版本无需添加此仓库 -->
        <repository>
            <id>snapshots</id>
            <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
        </repository>
    </repositories>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <spring-cloud.version>Dalston.SR5</spring-cloud.version>
        <commons-lang3.version>3.5</commons-lang3.version>
        <guava.version>19.0</guava.version>
        <javax.servlet.version>3.1.0</javax.servlet.version>
        <joda-time.version>2.9.8</joda-time.version>
        <activiti.version>6.0.0</activiti.version>
        <springfox-swagger2>2.7.0</springfox-swagger2>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/joda-time/joda-time -->
        <dependency>
            <groupId>joda-time</groupId>
            <artifactId>joda-time</artifactId>
        </dependency>
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-resources-plugin</artifactId>
            <version>2.6</version>
        </dependency>
    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>org.apache.commons</groupId>
                <artifactId>commons-lang3</artifactId>
                <version>${commons-lang3.version}</version>
            </dependency>
            <!-- https://mvnrepository.com/artifact/joda-time/joda-time -->
            <dependency>
                <groupId>joda-time</groupId>
                <artifactId>joda-time</artifactId>
                <version>${joda-time.version}</version>
            </dependency>
            <dependency>
                <groupId>com.google.guava</groupId>
                <artifactId>guava</artifactId>
                <version>${guava.version}</version>
            </dependency>
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>javax.servlet-api</artifactId>
                <scope>provided</scope>
                <version>${javax.servlet.version}</version>
            </dependency>
            <dependency>
                <groupId>org.activiti</groupId>
                <artifactId>spring-boot-starter-basic</artifactId>
                <version>${activiti.version}</version>
            </dependency>
            <dependency>
                <groupId>org.activiti</groupId>
                <artifactId>activiti-spring-boot-starter-basic</artifactId>
                <version>${activiti.version}</version>
            </dependency>
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-swagger2</artifactId>
                <version>${springfox-swagger2}</version>
            </dependency>
            <dependency>
                <groupId>io.springfox</groupId>
                <artifactId>springfox-swagger-ui</artifactId>
                <version>${springfox-swagger2}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <!-- 跳过测试 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <configuration>
                    <skip>true</skip>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

（4.2）core项目的pom.xml：

<?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.zijin</groupId>
    <artifactId>foodsbu-core</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>foodsbu-core</name>
    <description>core project for foodsbu</description>

    <parent>
        <groupId>com.zijin</groupId>
        <artifactId>foodsbu-parent</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>

    <properties>
    </properties>

    <dependencies>
        <!--<dependency>-->
            <!--<groupId>org.springframework.boot</groupId>-->
            <!--<artifactId>spring-boot-starter</artifactId>-->
        <!--</dependency>-->

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
        </dependency>
        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <!--<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>-->
    </dependencies>

    <build>
        <finalName>foodsbu-core</finalName>
    </build>
</project>

（4.3）eureka项目的pom.xml：

<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>
    <artifactId>foodsbu-eureka</artifactId>
    <packaging>war</packaging>
    <parent>
        <groupId>com.zijin</groupId>
        <artifactId>foodsbu-parent</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <properties>
        <foodsbu.version>0.0.1-SNAPSHOT</foodsbu.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.zijin</groupId>
            <artifactId>foodsbu-core</artifactId>
            <version>${foodsbu.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka-server</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-security</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <!--排除内置的tomcat-->
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-tomcat</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <scope>provided</scope>
        </dependency>
    </dependencies>
    <build>
        <finalName>foodsbu-eureka</finalName>
    </build>
</project>

5、修改eureka的启动类，如下：

package com.zijin.foodsbu.eureka;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.support.SpringBootServletInitializer;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@EnableEurekaServer //eureka server标识
@SpringBootApplication
public class FoodsbuEurekaApplication extends SpringBootServletInitializer {

   private final static Logger logger = LoggerFactory.getLogger(FoodsbuEurekaApplication.class);

   @Override
   protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
      return application.sources(FoodsbuEurekaApplication.class);
   }
   public static void main(String[] args) {
      SpringApplication.run(FoodsbuEurekaApplication.class, args);
      logger.info("FoodsbuEurekaApplication running successfully");
   }
}

6、启动FoodsbuEurekaApplication，访问localhost:8761/foodsbu-eureka，如下：

填写用户名admin，密码admin，若看到以下页面，表示eureka搭建成功（我这里吧eureka自身注册了，所以能看到有一个名为FOODSBU-EUREKA的服务）：

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