• maven快速入门


    maven是基于JAVA平台的自动化构建工具

    和maven有同样用途的工具还有以下:

    make----ant----maven-----gradle

    主要用途就是便于管理第三方jar包,方便jar包的下载,jar包之间版本的关系

    maven的仓库主要分为本地仓库,中央仓库和多个远程镜像仓库,加载jar包时先从本地仓库再到中央仓库

     

     

    maven的官网下载地址:http://maven.apache.org/download.cgi

    下载二进制包,解压后,配置环境变量,在cmd窗口中运行mvn -v 能查到安装的版本,则表示安装成功。

    JavaProject的pom.xml文件说明
    1、pom意思就是project object model。
    2、pom.xml包含了项目构建的信息,包括项目的信息、项目的依赖等。
    3、pom.xml文件是可以继承的,大型项目中,子模块的pom.xml一般都会继承于父模块的pom.xml

    pom.xml文件的内容如下:

     

    <?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>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.1.2.RELEASE</version>
            <relativePath/> <!-- lookup parent from repository -->
        </parent>
        
        <groupId>com.example</groupId>
        <artifactId>mybaitis</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <name>mybaitis</name>
        <description>Demo project for Spring Boot</description>
    
        <properties>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
            <java.version>1.8</java.version>
        </properties>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-thymeleaf</artifactId>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
            <dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>2.0.0</version>
            </dependency>
    
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>8.0.14</version>
            </dependency>
    
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
    
            <dependency>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-core</artifactId>
                <version>1.3.5</version>
            </dependency>
    
        </dependencies>
    
        <build>
            <plugins>
                <!--添加mybatis generator maven插件-->
                <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.5</version>
                <configuration>
                    <!--generatorConfig.xml位置-->
                    <configurationFile>src/main/resources/mybatis-generator/generatorConfig.xml</configurationFile>
                    <verbose>true</verbose>
                    <overwrite>true</overwrite>
                </configuration>
                <executions>
                    <execution>
                        <id>Generate MyBatis Artifacts</id>
                        <goals>
                            <goal>generate</goal>
                        </goals>
                        <phase>generate-sources</phase>
                    </execution>
                </executions>
                <!--此处必须添加mysql驱动包-->
                <dependencies>
            <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
                    <dependency>
                        <groupId>mysql</groupId>
                        <artifactId>mysql-connector-java</artifactId>
                        <version>8.0.14</version>
                    </dependency>
    
                </dependencies>
                </plugin>
            </plugins>
        </build>
    
    </project>
    

      

    其中由groupId、artifactId和version唯一的确定了一个项目坐标

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  • 原文地址:https://www.cnblogs.com/qianjinyan/p/10347823.html
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