入門級別的springboot多模塊項目搭建


一。創建父工程

1.1File-》New-》Project

1.2 選中Spring Iniaializr,sdk選中1.8

1.3 填寫信息及選擇java版本,下一步

1.4 其他選項不用勾選,選擇所需的Springboot版本,我這里選擇2.3.7,接下來點擊下一步

1.5 選擇項目保存的路徑,點擊完成

1.6 刪除無用的文件夾及文件(.mvn、src、mvnw、mvnw.cmd)

二。創建子工程,先創建公共模塊

2.1選中父工程,右鍵 New-》Module

2.2  選擇maven,sdk,點擊下一步

 

2.3 輸入項目名danyu-common,點擊完成

三。創建子工程(danyu-web)   

3.1 過程步驟跟第二步一樣

 

四。修改各類配置文件

4.1 修改父工程(danyu)的pom.xml文件

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <packaging>pom</packaging>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.3.7.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.danyu</groupId>
    <artifactId>danyu</artifactId>
    <version>0.0.1</version>
    <name>danyu</name>
    <description>父項目工程</description>

    <properties>
        <danyu.version>1.0.1</danyu.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <maven-jar-plugin.version>3.1.1</maven-jar-plugin.version>
        <druid.version>1.2.2</druid.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>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>



        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>


        <!--阿里數據庫連接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>${druid.version}</version>
        </dependency>

        <!-- Mysql驅動包 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>



    </dependencies>

    <modules>
        <module>danyu-common</module>
        <module>danyu-web</module>
    </modules>

<!--    <build>-->
<!--        <plugins>-->
<!--            <plugin>-->
<!--                <groupId>org.springframework.boot</groupId>-->
<!--                <artifactId>spring-boot-maven-plugin</artifactId>-->
<!--            </plugin>-->
<!--        </plugins>-->
<!--    </build>-->

    <repositories>
        <repository>
            <id>public</id>
            <name>aliyun nexus</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
        </repository>
    </repositories>

    <pluginRepositories>
        <pluginRepository>
            <id>public</id>
            <name>aliyun nexus</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
            <releases>
                <enabled>true</enabled>
            </releases>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>

</project>

 4.2 修改子工程(danyu-common)的pom.xml文件

<?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">
    <parent>
        <artifactId>danyu</artifactId>
        <groupId>com.danyu</groupId>
        <version>0.0.1</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>danyu-common</artifactId>
    <description>公共模塊</description>

    <dependencies>
        <!--         servlet包-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
        </dependency>

        <!-- hutool各種工具類 -->
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.5.1</version>
        </dependency>

        <!-- gson json解析工具類 -->
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.8.2</version>
        </dependency>

    </dependencies>

</project>

 4.3 修改子工程(danyu-web)的pom.xml文件

<?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">
    <parent>
        <artifactId>danyu</artifactId>
        <groupId>com.danyu</groupId>
        <version>0.0.1</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>danyu-web</artifactId>
    <description>控制模塊</description>

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

        <!-- 通用工具-->
        <dependency>
            <groupId>com.zbbz</groupId>
            <artifactId>zbbzfw-common</artifactId>
            <version>1.0.1</version>
            <!-- 該模塊的packaging為war,所以下面兩項必須設置,否則打包會出出錯  -->
            <type>jar</type>
            <!--            <classifier>classes</classifier>-->
        </dependency>

    </dependencies>

</project>

 五.添加application項目入口類

5.1 在danyu-web中,展開src文件夾,選中java右鍵,選擇Mark Directory as->Sources Root

5.2 新建路徑包

5.3 輸入包名:com.danyu.web,之后回車完成新建

5.4新建web入口類(DanyuWebApplication.java)

package com.danyu.web;

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

@SpringBootApplication
public class DanyuWebApplication {
    public static void main(String[] args) {
        SpringApplication.run(DanyuWebApplication.class, args);
    }
}

 這一步,如果SpringApplication和SpringBootApplication引入的類包報錯,則選中父工程,右鍵maven-》Reimport,更新重新導入一下

六。添加測試的控制器類

在com.danyu.web下添加包(controller),新建java類(TestController)

package com.danyu.web.controller;

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

/**
 * @author danyu
 * @date 2020/01/01
 */
@RestController
@RequestMapping("/manage")
public class TestController {

    @GetMapping("/test")
    public String test() {
        return "訪問控制器成功";
    }

}

 七。添加springboot配置文件類

7.1 在danyu-web子工程下的resources文件夾,選中右鍵New-》FIle

輸入文件名application.yml

打開application.yml文件,輸入

# 開發環境配置
server:
  # 服務器的HTTP端口,默認為8080
  port: 8080
  servlet:
    # 應用的訪問路徑
    context-path: /danyu

spring:
  datasource:
    name: test
    url: jdbc:mysql://localhost:3306/test
    username: root
    password: root

 八。啟動工程,進行測試

8.1 運行DanyuWebApplication類,如果項目沒報錯, 則代表項目運行成功

8.2 瀏覽器訪問驗證,在瀏覽器地址欄輸入:http://localhost:8080/danyu/manage/test

 

至此,一個簡易的springboot多模塊項目搭建成功


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