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官方文档

Mybatis-Plus

企业版 Mybatis-Mate 高级特性

安装

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

generator 版本查询

使用（以下教程仅适用 3.5.1 以上版本，对历史版本的不兼容）

快速生成

FastAutoGenerator.create("url", "username", "password")
	.globalConfig(builder -> {
		builder.author("baomidou") // 设置作者
            .enableSwagger() // 开启 swagger 模式
			.outputDir("D://"); // 指定输出目录
	})
	.packageConfig(builder -> {
		builder.parent("com.baomidou.mybatisplus.samples.generator") // 设置父包名
			.moduleName("system") // 设置父包模块名
            .pathInfo(Collections.singletonMap(OutputFile.xml, "D://")); // 设置mapperXml生成路径
	})
	.strategyConfig(builder -> {
		builder.addInclude("t_simple") // 设置需要生成的表名
			.addTablePrefix("t_", "c_"); // 设置过滤表前缀
	})
	.templateEngine(new FreemarkerTemplateEngine()) // 使用Freemarker引擎模板，默认的是Velocity引擎模板
	.execute();

交互式生成

FastAutoGenerator.create("url", "username", "password")
    // 全局配置
    .globalConfig((scanner, builder) -> builder.author(scanner.apply("请输入作者名称？")))
    // 包配置
    .packageConfig((scanner, builder) -> builder.parent(scanner.apply("请输入包名？")))
    // 策略配置
    .strategyConfig(builder -> builder.addInclude("t_simple"))
    /*
        模板引擎配置，默认 Velocity 可选模板引擎 Beetl 或 Freemarker 或 Enjoy
       .templateEngine(new BeetlTemplateEngine())
       .templateEngine(new FreemarkerTemplateEngine())
       .templateEngine(new EnjoyTemplateEngine())
     */
    .execute();

• 更多例子可查看test包下面的samples
• H2CodeGeneratorTest
• MySQLGeneratorTest
• OracleGeneratorTest
• PostgreSQLGeneratorTest
• DMGeneratorTest
• FastAutoGeneratorTest

说明

数据库配置(DataSourceConfig)

基础配置

new DataSourceConfig.Builder("jdbc:mysql://127.0.0.1:3306/mybatis-plus","root","123456")
    .build();

可选配置

new DataSourceConfig.Builder("jdbc:mysql://127.0.0.1:3306/mybatis-plus","root","123456")
    .dbQuery(new MySqlQuery())
    .schema("mybatis-plus")
    .typeConvert(new MySqlTypeConvert())
    .keyWordsHandler(new MySqlKeyWordsHandler())
    .databaseQueryClass(SQLQuery.class)
    .addConnectionProperty("remarks", "true")
    .build();

全局配置(GlobalConfig)

new GlobalConfig.Builder()
    .outputDir("/opt/baomidou")
    .author("baomidou")
    .enableKotlin()
    .enableSwagger()
    .dateType(DateType.TIME_PACK)
    .commentDate("yyyy-MM-dd")
    .build();

包配置(PackageConfig)

new PackageConfig.Builder()
    .parent("com.baomidou.mybatisplus.samples.generator")
    .moduleName("sys")
    .entity("po")
    .service("service")
    .serviceImpl("service.impl")
    .mapper("mapper")
    .xml("mapper.xml")
    .controller("controller")
    .pathInfo(Collections.singletonMap(OutputFile.xml, "D://")
    .build();

模板配置(TemplateConfig)

new TemplateConfig.Builder()
    .disable(TemplateType.ENTITY)
    .entity("/templates/entity.java")
    .service("/templates/service.java")
    .serviceImpl("/templates/serviceImpl.java")
    .mapper("/templates/mapper.java")
    .xml("/templates/mapper.xml")
    .controller("/templates/controller.java")
    .build();

注入配置(InjectionConfig)

new InjectionConfig.Builder()
    .beforeOutputFile((tableInfo, objectMap) -> {
    System.out.println("tableInfo: " + tableInfo.getEntityName() + " objectMap: " + objectMap.size());
    })
    .customMap(Collections.singletonMap("test", "baomidou"))
    .customFile(Collections.singletonMap("DTO.java", "/templates/dto.java.vm"))
    .customFile(new CustomFile.Builder().fileName("DTO.java").templatePath("/templates/dto.java.vm").packageName("dto").build())
    .build();

策略配置(StrategyConfig)

new StrategyConfig.Builder()
    .enableCapitalMode()
    .enableSkipView()
    .disableSqlFilter()
    .likeTable(new LikeTable("USER"))
    .addInclude("t_simple")
    .addTablePrefix("t_", "c_")
    .addFieldSuffix("_flag")
    .build();

Entity策略配置

new StrategyConfig.Builder()
    .entityBuilder()
    .superClass(BaseEntity.class)
    .disableSerialVersionUID()
    .enableChainModel()
    .enableLombok()
    .enableRemoveIsPrefix()
    .enableTableFieldAnnotation()
    .enableActiveRecord()
    .versionColumnName("version")
    .versionPropertyName("version")
    .logicDeleteColumnName("deleted")
    .logicDeletePropertyName("deleteFlag")
    .naming(NamingStrategy.no_change)
    .columnNaming(NamingStrategy.underline_to_camel)
    .addSuperEntityColumns("id", "created_by", "created_time", "updated_by", "updated_time")
    .addIgnoreColumns("age")
    .addTableFills(new Column("create_time", FieldFill.INSERT))
    .addTableFills(new Property("updateTime", FieldFill.INSERT_UPDATE))
    .idType(IdType.AUTO)
    .formatFileName("%sEntity")
    .build();

Controller策略配置

new StrategyConfig.Builder()
    .controllerBuilder()
    .superClass(BaseController.class)
    .enableHyphenStyle()
    .enableRestStyle()
    .formatFileName("%sAction")
    .build();

Service策略配置

new StrategyConfig.Builder()
    .serviceBuilder()
    .superServiceClass(BaseService.class)
    .superServiceImplClass(BaseServiceImpl.class)
    .formatServiceFileName("%sService")
    .formatServiceImplFileName("%sServiceImp")
    .build();

Mapper策略配置

new StrategyConfig.Builder()
    .mapperBuilder()
    .superClass(BaseMapper.class)
    .enableMapperAnnotation()
    .enableBaseResultMap()
    .enableBaseColumnList()
    .cache(MyMapperCache.class)
    .formatMapperFileName("%sDao")
    .formatXmlFileName("%sXml")
    .build();