創建springboot的聚合工程（一）

 

比起傳統復雜的單體工程，使用Maven的多模塊配置，可以幫助項目划分模塊，鼓勵重用，防止POM變得過於龐大，方便某個模塊的構建，而不用每次都構建整個項目，並且使得針對某個模塊的特殊控制更為方便。接下來，本文將重點闡述SpringBoot在Maven環境的多模塊構建過程。

第一步：創建父工程

使用spring Tool Suite的童鞋可以直接new一個spring starter project；使用idea和eclipse童鞋可以通過插件使用 Spring Initializr ，快速創建springboot工程；

 

然后去掉，無關緊要的東西留下pom文件就好了，這樣父工程就創建好了；

 

 

 

第二步：給父工程添加pom文件配置：

 

<?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">

    <!-- 基本信息 -->
    <description>SpringBoot 多模塊構建示例</description>
    <modelVersion>4.0.0</modelVersion>
    <name>boot-polymer</name>
    <packaging>pom</packaging>

    <!-- 項目說明：這里作為聚合工程的父工程 -->
    <groupId>com.polymer</groupId>
    <artifactId>boot-polymer</artifactId>
    <version>1.0.0.RELEASE</version>

    <!-- 繼承說明：這里繼承SpringBoot提供的父工程 -->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.2.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>

    <!-- 模塊說明：這里聲明多個子模塊 -->
    <modules>
        <module>boot-polymer-web</module>
        <module>boot-polymer-service</module>
        <module>boot-polymer-repository</module>
        <module>boot-polymer-entity</module>
        <module>boot-polymer-common</module>
    </modules>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>com.polymerization</groupId>
                <artifactId>boot-polymer-web</artifactId>
                <version>1.0.0.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>com.polymerization</groupId>
                <artifactId>boot-polymer-service</artifactId>
                <version>1.0.0.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>com.polymerization</groupId>
                <artifactId>boot-polymer-repository</artifactId>
                <version>1.0.0.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>com.polymerization</groupId>
                <artifactId>boot-polymer-entity</artifactId>
                <version>1.0.0.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>com.polymerization</groupId>
                <artifactId>boot-polymer-common</artifactId>
                <version>1.0.0.RELEASE</version>
            </dependency>
        </dependencies>
    </dependencyManagement>


</project>

 

 

 

第三步；創建子工程

右擊父工程->new ->maven module->創建選擇jar->全部創建jar包工程，別創建war包否則你就別用springboot，不要問為什么

 

第四步：測試工程是否能啟動

首先在boot-polymer-web工程添加pom配置

<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>
    <parent>
        <groupId>com.polymer</groupId>
        <artifactId>boot-polymer</artifactId>
        <version>1.0.0.RELEASE</version>
    </parent>
    <artifactId>boot-polymer-web</artifactId>

    <dependencies>
        <dependency>
            <groupId>com.polymer</groupId>
            <artifactId>boot-polymer-service</artifactId>
        </dependency>
        <dependency>
            <groupId>com.polymer</groupId>
            <artifactId>boot-polymer-repository</artifactId>
        </dependency>
        <dependency>
            <groupId>com.polymer</groupId>
            <artifactId>boot-polymer-entity</artifactId>
        </dependency>
        <dependency>
            <groupId>com.polymer</groupId>
            <artifactId>boot-polymer-common</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>
    </dependencies>
</project>

然后再web項目下新建一個啟動類：

 

package com.polymer.app;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;



@RestController
@SpringBootApplication //Spring Boot核心注解，用於開啟自動配置
public class StartApplication {
//程序可以直接在此啟動
    @RequestMapping("/")
    String index(){
      return "ok";
    }
  
    public static void main(String[] args) {
        SpringApplication.run(StartApplication.class, args);
    }
    
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        //配置靜態資源處理
        registry.addResourceHandler("/**")
        .addResourceLocations("classpath:/META-INF/")
        .addResourceLocations("classpath:/hospitalpay");
    }
}

 然后run  as application——》

看到這個就表示啟動成功了；然后再去訪問一下

成功了；