mybatis-plus 自动生成基础代码

代码展示

import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
import org.apache.commons.lang3.StringUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class MyBatisPlusGenerator {
    /**
     * 

     * 读取控制台内容
     * 
     */
    public static String scanner(String tip) {
        Scanner scanner = new Scanner(System.in);
        StringBuilder help = new StringBuilder();
        help.append("请输入" + tip + "：");
        System.out.println(help.toString());
        if (scanner.hasNext()) {
            String ipt = scanner.next();
            if (StringUtils.isNotEmpty(ipt)) {
                return ipt;
            }
        }
        throw new MybatisPlusException("请输入正确的" + tip + "！");
    }

    public static void main(String[] args) {
        // 代码生成器
        AutoGenerator mpg = new AutoGenerator();

        // 全局配置
        String projectPath = setGlobalConfig(mpg);

        // 数据源配置
        setDataSourceConfig(mpg);

        // 包配置
        PackageConfig pc = setPackageConfig(mpg);

        // 自定义配置
        setInjectionConfig(mpg, projectPath, pc);

        // 配置模板
        setTemplateConfig(mpg);

        // 策略配置
        setStrategyConfig(mpg, pc);

        mpg.setTemplateEngine(new FreemarkerTemplateEngine());
        mpg.execute();
    }

    private static void setStrategyConfig(AutoGenerator mpg, PackageConfig pc) {
        StrategyConfig strategy = new StrategyConfig();
        strategy.setNaming(NamingStrategy.underline_to_camel);
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        //strategy.setSuperEntityClass("你自己的父类实体,没有就不用设置!");
        strategy.setEntityLombokModel(true);
        strategy.setRestControllerStyle(false);
        //strategy.setRestControllerStyle(true);
        // 公共父类
        //strategy.setSuperControllerClass("你自己的父类控制器,没有就不用设置!");
        // 写于父类中的公共字段
        //strategy.setSuperEntityColumns("id");
        strategy.setInclude(scanner("表名，多个英文逗号分割").split(","));
        //strategy.setControllerMappingHyphenStyle(true);
        //strategy.setTablePrefix(pc.getModuleName() + "_");
        mpg.setStrategy(strategy);
    }

    private static void setTemplateConfig(AutoGenerator mpg) {
        TemplateConfig templateConfig = new TemplateConfig();

        // 配置自定义输出模板
        //指定自定义模板路径，注意不要带上.ftl/.vm, 会根据使用的模板引擎自动识别
        // templateConfig.setEntity("templates/entity2.java");
        // templateConfig.setService();
        // templateConfig.setController();

        templateConfig.setXml(null);
        mpg.setTemplate(templateConfig);
    }

    private static void setInjectionConfig(AutoGenerator mpg, String projectPath, PackageConfig pc) {
        InjectionConfig cfg = new InjectionConfig() {
            @Override
            public void initMap() {
                // to do nothing
            }
        };

        // 如果模板引擎是 freemarker
        String templatePath = "/templates/mapper.xml.ftl";
        // 如果模板引擎是 velocity
        // String templatePath = "/templates/mapper.xml.vm";

        // 自定义输出配置
        List<FileOutConfig> focList = new ArrayList<>();
        // 自定义配置会被优先输出
        focList.add(new FileOutConfig(templatePath) {
            @Override
            public String outputFile(TableInfo tableInfo) {
                // 自定义输出文件名 ， 如果你 Entity 设置了前后缀、此处注意 xml 的名称会跟着发生变化！！
                return projectPath + "/src/main/resources/mapper/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
            }
        });
        /*
        cfg.setFileCreate(new IFileCreate() {
            @Override
            public boolean isCreate(ConfigBuilder configBuilder, FileType fileType, String filePath) {
                // 判断自定义文件夹是否需要创建
                checkDir("调用默认方法创建的目录");
                return false;
            }
        });
        */
        cfg.setFileOutConfigList(focList);
        mpg.setCfg(cfg);
    }

    private static PackageConfig setPackageConfig(AutoGenerator mpg) {
        PackageConfig pc = new PackageConfig();
        //pc.setModuleName("purchase-generator");//父包模块名
        pc.setParent("com.aa.bb.tool");//父包名。如果为空，将下面子包名必须写全部， 否则就只需写子包名
        pc.setEntity("po");
        pc.setMapper("dao");
        pc.setXml("xml");
        mpg.setPackageInfo(pc);
        return pc;
    }

    private static void setDataSourceConfig(AutoGenerator mpg) {
        DataSourceConfig dsc = new DataSourceConfig();
        dsc.setUrl("jdbc:mysql://?characterEncoding=UTF-8&useSSL=false");
        // dsc.setSchemaName("public");
        dsc.setDriverName("com.mysql.jdbc.Driver");
        dsc.setUsername("root");
        dsc.setPassword("");
        mpg.setDataSource(dsc);
    }

    private static String setGlobalConfig(AutoGenerator mpg) {
        GlobalConfig gc = new GlobalConfig();
        String projectPath = System.getProperty("user.dir") + "/demo-mybatis-plus/mybatis-plus-generator";
        System.out.println("当前路径" + projectPath);
        gc.setOutputDir(projectPath + "/src/main/java");//生产文件的输出目录
        gc.setAuthor("carrey");//开发人员
        gc.setOpen(false);//是否代开目录
        gc.setSwagger2(true); //实体属性 Swagger2 注解
        mpg.setGlobalConfig(gc);
        return projectPath;
    }

}

POM需要引入的jar 包

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>2.0.5.RELEASEversion>
        <relativePath/> 
    parent>
    <modelVersion/>
    

    <artifactId>mybatis-plus-generatorartifactId>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>
        <dependency>
            <groupId>junitgroupId>
            <artifactId>junitartifactId>
            <version>4.12version>
        dependency>

        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <version>1.18.6version>
        dependency>
        
        <dependency>
            <groupId>io.swaggergroupId>
            <artifactId>swagger-annotationsartifactId>
            <version>1.6.2version>
        dependency>


        
        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
            <version>5.1.46version>
        dependency>

        
        <dependency>
            <groupId>com.baomidougroupId>
            <artifactId>mybatis-plus-generatorartifactId>
            <version>3.3.1.tmpversion>
        dependency>

        <dependency>
            <groupId>org.freemarkergroupId>
            <artifactId>freemarkerartifactId>
            <version>2.3.29version>
        dependency>

        <dependency>
            <groupId>org.apache.commonsgroupId>
            <artifactId>commons-lang3artifactId>
            <version>3.9version>
        dependency>

        <dependency>
            <groupId>org.slf4jgroupId>
            <artifactId>slf4j-apiartifactId>
            <version>1.7.30version>
        dependency>

        <dependency>
            <groupId>org.slf4jgroupId>
            <artifactId>slf4j-log4j12artifactId>
            <version>1.7.30version>
        dependency>
    dependencies>

project>