mybatis-plus代码生成器

1.代码生成器代码

package com.cage.epic7helper;


import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
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.springframework.beans.factory.annotation.Value;

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

/**
 * @author cage
 * @date 2020/4/16 10:32
 */
public class CodeGenerator {


    private static String url = "jdbc:postgresql://127.0.0.1:5432/e7";


    private static String driverName = "org.postgresql.Driver";


    private static String userName ="postgres";


    private static String password ="123456";


    private static String schema = "e7";

    private static String author = "cage";

    /**
     * id类型
     */
    private static IdType idType = IdType.ID_WORKER_STR;

    /**
     * 输出包路径
     */
    private static String packagePath = "com.cage.epic7helper";







    /**
     * <p>
     * 读取控制台内容
     * </p>
     */
    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
        GlobalConfig gc = new GlobalConfig();
        String projectPath = System.getProperty("user.dir");
    /*    //特殊处理
        projectPath = projectPath +"\\trunk61\\trunk\\upload";*/
        String pp = projectPath;
        System.out.println(projectPath);
        gc.setOutputDir(projectPath + "/src/main/java");
        gc.setAuthor(author);
        gc.setOpen(false);
        gc.setIdType(idType);
        // gc.setSwagger2(true); 实体属性 Swagger2 注解
        mpg.setGlobalConfig(gc);

        // 数据源配置
        DataSourceConfig dsc = new DataSourceConfig();
        dsc.setUrl(url);
        dsc.setDriverName(driverName);
        dsc.setUsername(userName);
        dsc.setPassword(password);
        dsc.setSchemaName(schema);
        mpg.setDataSource(dsc);

        PackageConfig pc = new PackageConfig();
        //pc.setModuleName(scanner("请输入你的包名"));
        pc.setParent(packagePath);//你哪个父目录下创建包
        mpg.setPackageInfo(pc);

        // 自定义配置
        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 pp + "/src/main/resources/mapper/"
                + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
            }
        });
        cfg.setFileOutConfigList(focList);
        mpg.setCfg(cfg);

        // 配置模板
        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);

        // 策略配置,数据库表配置
        StrategyConfig strategy = new StrategyConfig();
        //数据库表映射到实体的命名策略
        strategy.setNaming(NamingStrategy.underline_to_camel);
        //数据库表字段映射到实体类的命名策略
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        //自定义继承entity类，添加这一个会在生成实体类的时候继承entity
        //strategy.setSuperEntityClass("com.wy.testCodeGenerator.entity");
        //实体是否为lombok模型
        strategy.setEntityLombokModel(true);
        //生成@RestController控制器
        strategy.setRestControllerStyle(true);
        //是否继承controller
        // strategy.setSuperControllerClass("com.wy.testCodeGenerator.controller");
        strategy.setInclude(scanner("表名，多个英文逗号分割").split(","));
      //  strategy.setSuperEntityColumns("id");
        //驼峰转连字符串
        strategy.setControllerMappingHyphenStyle(true);
        //表前缀
        strategy.setTablePrefix(pc.getModuleName() + "_");
        mpg.setStrategy(strategy);
        mpg.setTemplateEngine(new FreemarkerTemplateEngine());
        mpg.execute();
    }

}

2.pom文件依赖

    <dependency>
        <groupId>com.baomidou</groupId>
        <artifactId>mybatis-plus-generator</artifactId>
        <version>3.1.1</version>
    </dependency>

    <dependency>
        <groupId>org.freemarker</groupId>
        <artifactId>freemarker</artifactId>
        <version>2.3.28</version>
    </dependency>