<properties>
  <mybatis-plus.version>3.5.7</mybatis-plus.version> <!-- mybatis增強 orm 框架 -->
</properties>

<dependencies>
  <!--   mybatis-plus 相關(guān)依賴   -->
  <dependency>
      <groupId>com.baomidou</groupId>
      <artifactId>mybatis-plus-spring-boot3-starter</artifactId>
      <version>${mybatis-plus.version}</version>
  </dependency>
  <!-- 代碼生成器 -->
  <dependency>
      <groupId>com.baomidou</groupId>
      <artifactId>mybatis-plus-generator</artifactId>
      <version>${mybatis-plus.version}</version>
  </dependency>
  <!--  mysql 依賴 版本由繼承的 spring-boot-starter-parent 控制，也可以自己指定  -->
  <dependency>
      <groupId>com.mysql</groupId>
      <artifactId>mysql-connector-j</artifactId>
  </dependency>
</dependencies>

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/itshare-dev?autoReconnect=true&useUnicode=true&characterEncoding=utf8&useSSL=false&rewriteBatchedStatements=true
    username: root
    password: root

<!-- 代碼生成器 -->
<dependency>
  <groupId>com.baomidou</groupId>
  <artifactId>mybatis-plus-generator</artifactId>
  <version>${mybatis-plus.version}</version>
</dependency>
<!-- 模板引擎 -->
<dependency>
  <groupId>org.freemarker</groupId>
  <artifactId>freemarker</artifactId>
</dependency>

public class CodeGenerator {


    private static final String DB_URL = "jdbc:mysql://localhost:3306/itshare-dev?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=Asia/Shanghai&tinyInt1isBit=false";
    private static final String USERNAME = "root";
    private static final String PASSWORD = "root";

    public static void main(String[] args) {

        AtomicReference<String> loadModulePackageName = new AtomicReference<>("");
        // 獲取當前路徑
        String path = System.getProperty("user.dir");
        // &tinyInt1isBit=false
        FastAutoGenerator.create(DB_URL, USERNAME, PASSWORD)
        .globalConfig((scanner, builder) -> {
            // 設(shè)置作者
            builder.author("曹申陽")
            .disableOpenDir()
            .enableSpringdoc() // 如果想用swagger，生成 springdoc 規(guī)范注解 把這個放開
            // 指定輸出目錄
            .outputDir(path + "\\src\\test\\java");
        })
        .dataSourceConfig(builder ->
                          builder.typeConvertHandler((globalConfig, typeRegistry, metaInfo) -> {
                              if (JdbcType.TINYINT == metaInfo.getJdbcType()) {
                                  return DbColumnType.INTEGER;
                              }
                              return typeRegistry.getColumnType(metaInfo);
                          })
                         )
        .packageConfig((scanner, builder) -> {
            loadModulePackageName.set(scanner.apply("請輸入當前父包模塊名稱："));
            builder.parent("com.yang.itshare") // 設(shè)置父包名
            .moduleName(loadModulePackageName.get()) // 設(shè)置父包模塊名
            .service("service")
            .serviceImpl("service.impl")
            .mapper("mapper")
            .controller("controller")
            .entity("entity")
            // 設(shè)置mapperXml生成路徑
            .pathInfo(Collections.singletonMap(OutputFile.xml, path + "\\src\\main\\resources\\mapper\\" + loadModulePackageName.get()));
        })
        .strategyConfig((scanner, builder) -> {
            // 設(shè)置需要生成的表名
            builder.addInclude(getTables(scanner.apply("請輸入表名，多個英文逗號分隔？所有輸入 all")))
            .addTablePrefix("itshare_") // 設(shè)置過濾表前綴
            .entityBuilder() // 設(shè)置 entity 生成規(guī)則
            .addTableFills(new Column("create_time", FieldFill.INSERT))
            .addTableFills(new Column("update_time", FieldFill.INSERT_UPDATE))
            .logicDeleteColumnName("is_deleted")
            .idType(IdType.AUTO)
            .enableLombok()// lombok 注解
            .controllerBuilder() // 設(shè)置 controller 生成規(guī)則
            .enableRestStyle() // 開啟生成@RestController 控制器
            .build();
        }
                       )
        .templateEngine(new FreemarkerTemplateEngine()) // 使用Freemarker引擎模板，默認的是Velocity引擎模板
        .execute();
    }

    /**
     * 處理 all 情況
     */
    protected static List<String> getTables(String tables) {
        return "all".equals(tables) ? Collections.emptyList() : Arrays.asList(tables.split(","));
    }

}

@MapperScan("com.yang.itshare.*.mapper")

mybatis-plus:
  global-config:
    db-config:
      logic-delete-field: is_deleted # 全局邏輯刪除字段名
      logic-delete-value: 1 # 邏輯已刪除值
      logic-not-delete-value: 0 # 邏輯未刪除值
  # 打印 sql 日志
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
  # 配置mapper的掃描，找到所有的mapper.xml映射文件 如果和默認路徑一樣可以不配置
  mapper-locations: classpath*:/mapper/**/*.xml

@Slf4j
@Component
public class MyMetaObjectHandler implements MetaObjectHandler {

@Override
public void insertFill(MetaObject metaObject) {
    log.info("start insert fill ....");
    this.strictInsertFill(metaObject, "createTime", LocalDateTime.class, LocalDateTime.now());
    this.strictUpdateFill(metaObject, "updateTime", LocalDateTime.class, LocalDateTime.now());
}

@Override
public void updateFill(MetaObject metaObject) {
    log.info("start update fill ....");
    this.strictUpdateFill(metaObject, "updateTime", LocalDateTime.class, LocalDateTime.now());
}

@Configuration
@MapperScan("com.yang.itshare.*.mapper")
public class MybatisPlusConfig {

    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new BlockAttackInnerInterceptor()); // 防全表更新與刪除插件
        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor(DbType.MYSQL);
        paginationInnerInterceptor.setMaxLimit(1000L);
        interceptor.addInnerInterceptor(paginationInnerInterceptor); // 如果配置多個插件, 切記分頁最后添加
        return interceptor;
    }
}