微服務架構之路（二）：父專案及服務註冊與發現中心（Eureka）搭建
阿新 • • 發佈：2018-11-16
1、建立spring boot父專案
（1.1）file---new----project:
（1.2）選擇spring initializr，選擇自己本地安裝的jdk。點選next
（1.3）填寫自己的專案資訊，next：
（1.4）選擇core-devtools即可，然後點next：
（1.5）填寫專案名和位置，點選finish：
（1.6）父專案建立完之後需要進行微調：
（1.6.1）刪除src目錄
（1.6.2）pom.xml檔案：打包方式改為pom；新增相關依賴，最終pom檔案如下：
<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> <!--阿里雲倉庫 --> <repository> <id>aliyun</id> <url>http://maven.aliyun.com/nexus/content/groups/public/</url> </repository> <!--快照版本使用,正式版本無需新增此倉庫 --> <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> <!-- 跳過測試 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <configuration> <skip>true</skip> </configuration> </plugin> </plugins> </build> </project>
2、建立core專案，專案的核心依靠。
在專案foodsbu-parent上右鍵---new---module，填寫自己的專案資訊，最後選擇lombok，如圖：
3、建立eureka專案，服務發現與註冊中心。
（3.1）跟建立core專案一樣，只不過最後選擇web專案，如圖：
（3.2）修改application.properties為application.yml，並新增一下內容：
server:
port: 8761
context-path: /foodsbu-eureka
spring:
application:
name: foodsbu-eureka
eureka:
instance:
hostname: localhost
# hostname: foodsbu-eureka
client:
register-with-eureka: true #是否註冊自身
fetch-registry: false #是否啟動報警
service-url:
defaultZone: http://admin: 4、父專案新增專案，core專案修改父專案，eureka修改父專案並新增core依賴，最終pom檔案如下：
（4.1）parent專案的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> <!--阿里雲倉庫 --> <repository> <id>aliyun</id> <url>http://maven.aliyun.com/nexus/content/groups/public/</url> </repository> <!--快照版本使用,正式版本無需新增此倉庫 --> <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> <!-- 跳過測試 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <configuration> <skip>true</skip> </configuration> </plugin> </plugins> </build> </project>
（4.2）core專案的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專案的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>
<!--排除內建的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的啟動類，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標識
@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、啟動FoodsbuEurekaApplication，訪問localhost:8761/foodsbu-eureka，如下：
填寫使用者名稱admin，密碼admin，若看到以下頁面，表示eureka搭建成功（我這裡吧eureka自身註冊了，所以能看到有一個名為FOODSBU-EUREKA的服務）：
