mybatis-plus 代码生成器

目的:根据该表自动生成mvc3个层

添加依赖

<dependency>
    <groupId>com.baomidou</groupId>
    <artifactId>mybatis-plus-generator</artifactId>
    <version>3.4.1</version>
</dependency>

<dependency>
            <groupId>org.apache.velocity</groupId>
            <artifactId>velocity-engine-core</artifactId>
            <version>2.3</version>
</dependency>

配置

写好mybatis-plus配置类

package com.jie.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@MapperScan("com.jie.mapper")
@Configuration//配置类
public class MybatisPlusConfig {
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor mybatisPlusInterceptor = new MybatisPlusInterceptor();
        mybatisPlusInterceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());
        mybatisPlusInterceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.H2));
        return mybatisPlusInterceptor;
    }

}

写好yml文件

spring:
  datasource:
    username: root
    password: 123456
    url: jdbc:mysql://localhost:3306/my_db?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=GMT%2B8
    driver-class-name: com.mysql.cj.jdbc.Driver

编写生成类

package com.jie;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.annotation.FieldFill;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.GlobalConfig;
import com.baomidou.mybatisplus.generator.config.PackageConfig;
import com.baomidou.mybatisplus.generator.config.StrategyConfig;
import com.baomidou.mybatisplus.generator.config.po.TableFill;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;

import java.util.ArrayList;

//代码生成器
public class Generate {
    public static void main(String[] args) {
        AutoGenerator gen=new AutoGenerator();
        //全局配置
        GlobalConfig globalConfig = new GlobalConfig();
        //设置输出路径
        globalConfig.setOutputDir(System.getProperty("user.dir") + "/src/main/java");
        globalConfig.setAuthor("jie");
        globalConfig.setOpen(false);
        globalConfig.setDateType(DateType.ONLY_DATE);
        gen.setGlobalConfig(globalConfig);
        //配置 DataSourceConfig
        DataSourceConfig dataSourceConfig = new DataSourceConfig();
        dataSourceConfig.setUrl("jdbc:mysql://localhost:3306/my_db?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=GMT%2B8");
        dataSourceConfig.setDriverName("com.mysql.cj.jdbc.Driver");
        dataSourceConfig.setUsername("root");
        dataSourceConfig.setPassword("123456");
        dataSourceConfig.setDbType(DbType.MYSQL);
        gen.setDataSource(dataSourceConfig);
        //配置包
        PackageConfig pc = new PackageConfig();
        //模块名
        //pc.setModuleName("MyBook");
        pc.setParent("com.jie");
        //实体类名 下面以此类推
        pc.setEntity("pojo");
        pc.setMapper("mapper");
        pc.setService("service");
        pc.setController("controller");
        gen.setPackageInfo(pc);

        // 策略配置
        StrategyConfig strategy = new StrategyConfig();
        //设置要进行操作的表名
        strategy.setInclude("book");
        strategy.setNaming(NamingStrategy.underline_to_camel);
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        strategy.setEntityLombokModel(true);
        strategy.setRestControllerStyle(true);
        //逻辑删除字段
        strategy.setLogicDeleteFieldName("deleted");
        //自动填充字段
        TableFill create=new TableFill("created", FieldFill.INSERT);
        TableFill update=new TableFill("updated",FieldFill.INSERT_UPDATE);
        ArrayList<TableFill>list=new ArrayList<>();
        list.add(create);
        list.add(update);
        strategy.setTableFillList(list);
        //乐观锁
        strategy.setVersionFieldName("version");
        strategy.setControllerMappingHyphenStyle(true);


        gen.setStrategy(strategy);
        gen.execute();
    }
}

成果

运行后就会发现代码已经生成完毕

同时根据策略自动生成了对应的注解