Spring Boot 整合 MyBatis 与 MyBatis Plus

implementation 'org.mybatis.spring.boot:mybatis-spring-boot-starter:2.1.2'
compile group: 'com.baomidou', name: 'mybatis-plus-boot-starter', version: '3.3.1.tmp'

repositories {
    maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }

@SpringBootApplication
@MapperScan("com.baomidou.mybatisplus.samples.quickstart.mapper")
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(QuickStartApplication.class, args);
    }

}

complie 'com.baomidou:mybatis-plus-generator:3.3.1.tmp'
complie 'org.apache.velocity:velocity-engine-core:2.2'

// 演示例子，执行 main 方法控制台输入模块表名回车自动生成对应项目目录中
public class CodeGenerator {

    /**
     * <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");
        gc.setOutputDir(projectPath + "/src/main/java");
        gc.setAuthor("jobob");
        gc.setOpen(false);
        // gc.setSwagger2(true); 实体属性 Swagger2 注解
        mpg.setGlobalConfig(gc);

        // 数据源配置
        DataSourceConfig dsc = new DataSourceConfig();
        dsc.setUrl("jdbc:mysql://localhost:3306/ant?useUnicode=true&useSSL=false&characterEncoding=utf8");
        // dsc.setSchemaName("public");
        dsc.setDriverName("com.mysql.jdbc.Driver");
        dsc.setUsername("root");
        dsc.setPassword("密码");
        mpg.setDataSource(dsc);

        // 包配置
        PackageConfig pc = new PackageConfig();
        pc.setModuleName(scanner("模块名"));
        pc.setParent("com.baomidou.ant");
        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 projectPath + "/src/main/resources/mapper/" + pc.getModuleName()
                        + "/" + 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);

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

}

/**
 * @author pan
 * @date 2019-12-08
 */
public class GeneratorServiceEntity {

    @Test
    public void generateCode() {
        String packageName = "itmc";
        boolean serviceNameStartWithI = false;//user -> UserService, 设置成true: user -> IUserService
        generateByTables(serviceNameStartWithI, packageName, "b_requirement_report");
    }

    private void generateByTables(boolean serviceNameStartWithI, String packageName, String... tableNames) {
        String codeFileOutputDir = "/Users/pan/workspace/webservice-dir/test";
        GlobalConfig config = new GlobalConfig();
        String dbUrl = "jdbc:mysql://localhost:3306/itmc_dev";
        DataSourceConfig dataSourceConfig = new DataSourceConfig();
        dataSourceConfig.setDbType(DbType.MYSQL)
                .setUrl(dbUrl)
                .setUsername("root")
                .setPassword("root")
                .setDriverName("com.mysql.jdbc.Driver");
        StrategyConfig strategyConfig = new StrategyConfig();
        strategyConfig
                .setControllerMappingHyphenStyle(true)
                .setEntityColumnConstant(true)
                .setRestControllerStyle(true)
                .setTablePrefix("b_")
                .setCapitalMode(true)
                .setEntityLombokModel(true)
                .setDbColumnUnderline(true)
                .entityTableFieldAnnotationEnable(true)
                .setNaming(NamingStrategy.underline_to_camel)
                .setInclude(tableNames);//修改替换成你需要的表名，多个表名传数组
         // 去除entity父类的公共字段
        // strategy.setSuperEntityColumns(superEntityColumns);
        config.setActiveRecord(true)//po类是否继承mybatis plus的Model类
                .setAuthor("潘志勇")
                .setBaseResultMap(true)
                .setBaseColumnList(true)
                .setIdType(IdType.INPUT)
                .setMapperName("%sMapper")
                .setXmlName("%sMapper")
                .setOutputDir(codeFileOutputDir)
                .setFileOverride(true);
        if (!serviceNameStartWithI) {
            config.setServiceName("%sService");
        }

        new AutoGenerator().setGlobalConfig(config)
                .setDataSource(dataSourceConfig)
                .setStrategy(strategyConfig)
                .setPackageInfo(
                        new PackageConfig()
                                .setParent(packageName)
                                .setController("controller.requirement")
                                .setEntity("model.requirement")
                                .setMapper("mapper.requirement")
                                .setXml("mapper.requirement")
                ).execute();
    }

    private void generateByTables(String packageName, String... tableNames) {
        generateByTables(true, packageName, tableNames);
    }
}