SpringBoot 引⼊MybatisGenerator

1. 引入插件

<plugin>
    <groupId>org.mybatis.generator</groupId>
    <artifactId>mybatis-generator-maven-plugin</artifactId>
    <version>1.3.5</version>
    <configuration>
        <!--generator配置⽂件所在位置-->
        <configurationFile>src/main/resources/mybatis-generator/generatorConfi
            g.xml</configurationFile>
        <overwrite>true</overwrite>
        <verbose>true</verbose>
    </configuration>
    <dependencies>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.33</version>
        </dependency>
    </dependencies>
</plugin>

2. 添加generator.xml并修改

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
        PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<!-- 配置⽣成器 -->
<generatorConfiguration>
    <!-- ⼀个数据库⼀个context -->
    <context id="MysqlTables" targetRuntime="MyBatis3Simple" defaultModelT ype="flat">
        <!--去除注释-->
        <commentGenerator>
            <property name="suppressDate" value="true"/>
            <property name="suppressAllComments" value="true" />
        </commentGenerator>
        <!--数据库链接信息-->
        <jdbcConnection driverClass="com.mysql.jdbc.Driver"
                        connectionURL="jdbc:mysql://127.0.0.1:3306/java_blog_spring?serverTimezone=Asia/Shanghai&amp;nullCatalogMeansCurrent=true"
                        userId="root"
                        password="root">
        </jdbcConnection>
        <!-- ⽣成实体类 -->
        <javaModelGenerator targetPackage="com.example.demo.model" targetP
                            roject="src/main/java" >
            <property name="enableSubPackages" value="false"/>
            <property name="trimStrings" value="true"/>
        </javaModelGenerator>
        <!-- ⽣成mapxml⽂件 -->
        <sqlMapGenerator targetPackage="mapper" targetProject="src/main/resources" >
            <property name="enableSubPackages" value="false" />
        </sqlMapGenerator>
        <!-- ⽣成mapxml对应client，也就是接⼝dao -->
        <javaClientGenerator targetPackage="com.example.demo.mapper" targe 
                             tProject="src/main/java" type="XMLMAPPER" >
            <property name="enableSubPackages" value="false" />
        </javaClientGenerator>
        <!-- table可以有多个,每个数据库中的表都可以写⼀个table，tableName表示要匹
       配的数据库表,也可以在tableName属性中通过使⽤%通配符来匹配所有数据库表,只有匹配的表才会
       ⾃动⽣成⽂件 -->
        <table tableName="user">
            <property name="useActualColumnNames" value="false" />
            <!-- 数据库表主键 -->
            <generatedKey column="id" sqlStatement="Mysql" identity="true"
            />
        </table>
    </context>
</generatorConfiguration>

3. 生成文件