MyBatis-Plus代码生成

引入依赖

<dependency>
    <groupId>com.baomidougroupId>
    <artifactId>mybatis-plus-boot-starterartifactId>
    <version>3.5.3.2version>
dependency>
<dependency>
    <groupId>com.baomidougroupId>
    <artifactId>mybatis-plus-generatorartifactId>
    <version>3.5.3.2version>
dependency>
<dependency>
    <groupId>org.freemarkergroupId>
    <artifactId>freemarkerartifactId>
    <version>2.3.28version>
dependency>

自动生成代码

/**
 * 配置详情
 * https://baomidou.com/pages/981406/
 */
public class AutoGeneratorCode {
    public static void main(String[] args) {
        String url = "jdbc:mysql://localhost:3306/gogogo?useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT%2B8&useSSL=false";
        String username = "root";
        String password = "root";
        String outputDir = "xxxxxx/shangan/src/main/java";
        String mapperOutputDir = "xxxxxx/shangan/src/main/resources/mapper";
        FastAutoGenerator.create(url, username, password)
                // 全局配置
                .globalConfig(builder -> {
                    builder
                            .author("xxxxxx") // 设置作者
                            .outputDir(outputDir); // 指定输出目录
                })
                .dataSourceConfig(builder -> builder.typeConvertHandler((globalConfig, typeRegistry, metaInfo) -> {
                    int typeCode = metaInfo.getJdbcType().TYPE_CODE;
                    if (typeCode == Types.SMALLINT) {
                        // 自定义类型转换
                        return DbColumnType.INTEGER;
                    }
                    return typeRegistry.getColumnType(metaInfo);
                }))
                .packageConfig(builder -> {
                    builder.parent("lzc.shangan") // 设置父包名
                            //.moduleName("system") // 设置父包模块名
                            .pathInfo(Collections.singletonMap(OutputFile.xml, mapperOutputDir)); // 设置mapperXml生成路径
                })
                .strategyConfig(builder -> {
                    builder
                            .addInclude("words_info") // 设置需要生成的表名
                            .addTablePrefix("t_", "c_") // 设置过滤表前缀
                            .entityBuilder().enableLombok();
                })
                .templateEngine(new FreemarkerTemplateEngine()) // 使用Freemarker引擎模板，默认的是Velocity引擎模板
                .execute();
    }
}