mybatis-plus的官網：
https://www.mybatis-plus.com/guide/generator.html#新增依賴

• 記得導包
  `

<dependency>
    <groupId>org.apache.velocity</groupId>
    <artifactId>velocity-engine-core</artifactId>
    <version>2.3</version>
</dependency>
<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-generator</artifactId>
    <version>3.4.1</version>
</dependency>
 

/**
 * @description:
 * @author: HaHa
 * @time: 2022/4/19 20:04
 */
public class AutoMain {
    public static void main(String[] args) {
        AutoGenerator generator = new AutoGenerator();

//        設定全域性配置
        GlobalConfig config = new GlobalConfig();
        String s = System.getProperty("user.dir");
        config.setOutputDir(s+"/src/main/java");
        config.setAuthor("mybatis自動生成");
        config.setOpen(false);
        config.setFileOverride(false);  //是否檔案覆蓋
        config.setSwagger2(true);
        config.setServiceName("%sService");  //去掉Service前面的I
        generator.setGlobalConfig(config);

        //2、設定資料來源
        DataSourceConfig dsc = new DataSourceConfig();
        dsc.setUrl("jdbc:mysql://localhost:3306/admin-springboot?serverTimezone=UTC");
        dsc.setDriverName("com.mysql.cj.jdbc.Driver");
        dsc.setUsername("root");
        dsc.setPassword("123456789");
        dsc.setDbType(DbType.MYSQL);
        generator.setDataSource(dsc);

        //3、包的配置
        PackageConfig pc = new PackageConfig();
        pc.setModuleName("admin");
        pc.setParent("com");
        pc.setEntity("entity");
        pc.setMapper("mapper");
        pc.setService("service");
        pc.setController("controller");
        generator.setPackageInfo(pc);


        //4、策略配置
        StrategyConfig strategy = new StrategyConfig();
        strategy.setInclude("sys_user"); // 設定要對映的表名
        strategy.setNaming(NamingStrategy.underline_to_camel);
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        strategy.setEntityLombokModel(true); // 自動lombok；
        strategy.setLogicDeleteFieldName("deleted");  //邏輯欄位，資料庫欄位裡面有deteted,然後自動配置
        // 自動填充配置
        TableFill gmtCreate = new TableFill("gmt_create", FieldFill.INSERT);
        TableFill gmtModified = new TableFill("gmt_modified",FieldFill.INSERT_UPDATE);
        ArrayList<TableFill> tableFills = new ArrayList<>();
        tableFills.add(gmtCreate);
        tableFills.add(gmtModified);
        strategy.setTableFillList(tableFills);
        // 樂觀鎖
        strategy.setVersionFieldName("version");
        strategy.setRestControllerStyle(true);
        strategy.setControllerMappingHyphenStyle(true); //下劃線相當於/
        generator.setStrategy(strategy);

        generator.execute();
    }
}