不生成example类，只生成一些基本的方法给我们使用
配置 1：安装 maven环境
<plugin> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-maven-plugin</artifactId> <version>1.4.0</version> <executions> <execution> <id>Generate MyBatis Artifacts</id> <goals> <goal>generate</goal> </goals> </execution> </executions> <configuration> <!-- 反向生成配置文件 --> <configurationFile> ${basedir}/src/main/resources/generator-config.xml </configurationFile> <verbose>true</verbose> <overwrite>true</overwrite> </configuration> <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.15</version> <scope>runtime</scope> </dependency> </dependencies> </plugin>generator-config.xml 配置
<?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> <!-- MyBatis3Simple，不生成Example --> <context id="MysqlTables" targetRuntime="MyBatis3"> 是否去除自动生成的注释 <commentGenerator> <!-- 是否去除自动生成的注释 --> <property name="suppressAllComments" value="true"/> </commentGenerator> <!-- Mysql数据库连接的信息：驱动类、连接地址、用户名、密码 --> <jdbcConnection driverClass="com.mysql.cj.jdbc.Driver" connectionURL="jdbc:mysql://localhost:3306/cache_test" userId="root" password="xxx"> <!--设置可以获取tables remarks信息--> <property name="useInformationSchema" value="true"/> </jdbcConnection> <!-- 默认为false，把JDBC DECIMAL 和NUMERIC类型解析为Integer，为true时 把JDBC DECIMAL 和NUMERIC类型解析为java.math.BigDecimal --> <javaTypeResolver> <property name="forceBigDecimals" value="false"/> </javaTypeResolver> <!-- targetProject：生成POJO类的位置 --> <javaModelGenerator targetPackage="com.mycache.cache.domain" targetProject="./src/main/java"> <!-- enableSubPackages:是否让schema作为包的后缀 --> <property name="enableSubPackages" value="false"/> <!-- 从数据库返回的值被清理前后的空格 --> <property name="trimStrings" value="true"/> </javaModelGenerator> <!-- targetProject：mapper映射文件生成的位置 --> <sqlMapGenerator targetPackage="mybatis" targetProject="./src/main/resources/"> <!-- enableSubPackages:是否让schema作为包的后缀 --> <property name="enableSubPackages" value="false"/> </sqlMapGenerator> <!-- targetProject：mapper接口生成的的位置 --> <javaClientGenerator targetPackage="com.mycache.cache.mapper" type="XMLMAPPER" targetProject="./src/main/java"> <!-- enableSubPackages:是否让schema作为包的后缀 --> <property name="enableSubPackages" value="false"/> </javaClientGenerator> <!-- 指定数据表 --> <table schema="" tableName="dept" domainObjectName="Dept" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" enableSelectByPrimaryKey="true" enableUpdateByPrimaryKey="true" enableDeleteByPrimaryKey="true"> </table> <!-- 有些表的字段需要指定java类型 <table schema="DB2ADMIN" tableName="ALLTYPES" domainObjectName="Customer" > <property name="useActualColumnNames" value="true"/> <generatedKey column="ID" sqlStatement="DB2" identity="true" /> <columnOverride column="DATE_FIELD" property="startDate" /> <ignoreColumn column="FRED" /> <columnOverride column="LONG_VARCHAR_FIELD" jdbcType="VARCHAR" /> </table> --> </context> </generatorConfiguration>