maven是项目管理工具,用来管理项目引用的外部包和进行项目打包的工作,极大地方便编程工作。


原先项目结构:



2.将已有的pom文件复制到项目中后的项目结构:



3.pom文件基本内容

<?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>
    <parent>
        <groupId>com.cajl</groupId>
        <artifactId>parent</artifactId>
        <version>1.0</version>
    </parent>
    <artifactId>db</artifactId>
    <name>db</name>
    <version>1.0</version>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java.version>1.8</java.version>
        <easypoi.version>2.3.1</easypoi.version>
    </properties>
    <dependencies>
        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>6.0.6</version>
        </dependency>

    </dependencies>

</project>


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