本篇文章探讨了JAVA从入门到精通之Spring 中使用 Mybatis generator 自动生成代码，希望阅读本篇文章以后大家有所收获，帮助大家对相关内容的理解更加深入。

Mybatis generator 是一个 Mybatis 插件，可以用于自动生成项目中需要的 pojo 类、对应的 Mapper 接口和 mapper.xml 文件。使用该插件，一方面可以节省开发时间，另一方面也避免手写时打错字的问题。

由于工作需要，我打算在原有的 Spring 项目中使用 Mybatis generator 自动生成代码，以便简化 DAO 层的开发。

闲言少叙，just do it！

1. 引入依赖

a. 父模块配置

<properties>        <spring_version>4.3.9.RELEASE</spring_version> 
        <mysql_connector_version>5.1.21</mysql_connector_version>        <gson_version>2.2.2</gson_version>        <commons_beanutils_version>1.8.3</commons_beanutils_version>        <commons_io_version>2.0.1</commons_io_version>        <junit_version>4.12</junit_version>        <skip_maven_deploy>true</skip_maven_deploy>        <lombok.version>1.18.2</lombok.version>        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>        <project.build.sourceOptimize>true</project.build.sourceOptimize>        <project.build.sourceDebug>true</project.build.sourceDebug>      
        <project.build.sourceTarget>1.8</project.build.sourceTarget></properties><dependencyManagement>        <dependencies>            <!-- Spring libs -->            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-core</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-beans</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-aop</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-context</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-context-support</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-tx</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-jdbc</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-orm</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-web</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-webmvc</artifactId>                <version>${spring_version}</version>            </dependency>            <dependency>                <groupId>org.springframework</groupId>                <artifactId>spring-test</artifactId>                <version>${spring_version}</version>                <scope>test</scope>            </dependency>            <dependency>                <groupId>commons-beanutils</groupId>                <artifactId>commons-beanutils</artifactId>                <version>${commons_beanutils_version}</version>            </dependency>            <dependency>                <groupId>commons-io</groupId>                <artifactId>commons-io</artifactId>                <version>${commons_io_version}</version>            </dependency>           <dependency>                <groupId>com.google.code.gson</groupId>                <artifactId>gson</artifactId>                <version>${gson_version}</version>            </dependency>            <dependency>                <groupId>mysql</groupId>                <artifactId>mysql-connector-java</artifactId>                <version>${mysql_connector_version}</version>            </dependency>            <dependency>                <groupId>org.mybatis</groupId>                <artifactId>mybatis</artifactId>                <version>3.2.8</version>            </dependency>            <dependency>                <groupId>org.mybatis</groupId>                <artifactId>mybatis-spring</artifactId>                <version>1.2.2</version>            </dependency>            <dependency>                <groupId>org.apache.ibatis</groupId>                <artifactId>ibatis-sqlmap</artifactId>                <version>${ibatis_version}</version>            </dependency>            <dependency>                <groupId>com.alibaba</groupId>                <artifactId>druid</artifactId>                <version>1.0.12</version>            </dependency>            <dependency>                <groupId>org.aspectj</groupId>                <artifactId>aspectjweaver</artifactId>                <version>1.8.4</version>            </dependency> 
            <dependency>                <groupId>junit</groupId>                <artifactId>junit</artifactId>                <version>${junit_version}</version>                <scope>test</scope>            </dependency>            <dependency>                <groupId>com.alibaba</groupId>                <artifactId>fastjson</artifactId>                <version>1.2.58</version>            </dependency>            <dependency>                <groupId>org.projectlombok</groupId>                <artifactId>lombok</artifactId>                <version>${lombok.version}</version>                <scope>provided</scope>            </dependency>        </dependencies></dependencyManagement>

View Code

b. 子模块配置

我们在子模块中引入插件 mybatis-generator-maven-plugin。

      本文由职坐标整理发布，学习更多的相关知识，请关注职坐标IT知识库！