需要先下载mybatis插件
然后我们需要配置一个文件
<?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">
<generatorConfiguration>
<!--MyBatis Builder 插件-->
<context id="base" targetRuntime="MyBatis3" defaultModelType="flat">
<!-- 自动识别数据库关键字,默认false -->
<property name="autoDelimitKeywords" value="true" />
<!--可以使用``包括字段名,避免字段名与sql保留字冲突报错 -->
<property name="beginningDelimiter" value="`" />
<property name="endingDelimiter" value="`" />
<!-- 生成的Java文件的编码 -->
<property name="javaFileEncoding" value="UTF-8"/>
<!-- 格式化java代码 -->
<property name="javaFormatter" value="org.mybatis.generator.api.dom.DefaultJavaFormatter"/>
<!-- 格式化XML代码 -->
<property name="xmlFormatter" value="org.mybatis.generator.api.dom.DefaultXmlFormatter"/>
<property name="JAVA_BASE_PATH" value="com.lucun.student"/>
<commentGenerator>
<property name="suppressAllComments" value="false"/>
<property name="suppressDate" value="true"/>
</commentGenerator>
<jdbcConnection
connectionURL="jdbc:mysql://127.0.0.1:3306/trading_platform?useSSL=false&characterEncoding=utf8&allowPublicKeyRetrieval=true"
driverClass="com.mysql.jdbc.Driver" password="root" userId="root"/>
<javaTypeResolver>
<property name="forceBigDecimals" value="true"/>
</javaTypeResolver>
<javaModelGenerator targetPackage="com.lucun.student.db.entity"
targetProject="${PROJECT_DIR}/student-management-system/src/main/java">
<property name="enableSubPackages" value="true"/>
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<sqlMapGenerator targetPackage="com.lucun.student.db.xml" targetProject="${PROJECT_DIR}/student-management-system/src/main/java">
<property name="enableSubPackages" value="true"/>
</sqlMapGenerator>
<javaClientGenerator type="XMLMAPPER" targetPackage="com.lucun.student.db.mapper"
targetProject="${PROJECT_DIR}/student-management-system/src/main/java">
<property name="enableSubPackages" value="true"/>
</javaClientGenerator>
<table tableName="commodity" domainObjectName="Commodity"
enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false"
enableSelectByExample="false" selectByExampleQueryId="false">
<generatedKey column="id" sqlStatement="JDBC"/>
</table>
</context>
</generatorConfiguration>
然后运行一下就好了,就会生成mapper,xml,实体