官网:https://baomidou.com/pages/779a6e/#%E5%BF%AB%E9%80%9F%E5%85%A5%E9%97%A8
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.5.2</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-generator</artifactId>
<version>3.5.2</version>
</dependency>
<dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity</artifactId>
<version>1.7</version>
</dependency>
FastAutoGenerator.create("url", "username", "password")
.globalConfig(builder -> {
builder.author("baomidou") // 设置作者
.enableSwagger() // 开启 swagger 模式
.fileOverride() // 覆盖已生成文件
.outputDir("D://"); // 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("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();
FastAutoGenerator.create(DATA_SOURCE_CONFIG)
// 全局配置
.globalConfig((scanner, builder) -> builder.author(scanner.apply("请输入作者名称?")).fileOverride())
// 包配置
.packageConfig((scanner, builder) -> builder.parent(scanner.apply("请输入包名?")))
// 策略配置
.strategyConfig((scanner, builder) -> builder.addInclude(getTables(scanner.apply("请输入表名,多个英文逗号分隔?所有输入 all")))
.controllerBuilder().enableRestStyle().enableHyphenStyle()
.entityBuilder().enableLombok().addTableFills(
new Column("create_time", FieldFill.INSERT)
).build())
/*
模板引擎配置,默认 Velocity 可选模板引擎 Beetl 或 Freemarker
.templateEngine(new BeetlTemplateEngine())
.templateEngine(new FreemarkerTemplateEngine())
*/
.execute();
// 处理 all 情况
protected static List<String> getTables(String tables) {
return "all".equals(tables) ? Collections.emptyList() : Arrays.asList(tables.split(","));
}
import com.baomidou.mybatisplus.generator.FastAutoGenerator;
import com.baomidou.mybatisplus.generator.config.DataSourceConfig;
import com.baomidou.mybatisplus.generator.config.OutputFile;
import com.baomidou.mybatisplus.generator.engine.VelocityTemplateEngine;
import org.springframework.util.CollectionUtils;
import java.util.*;
public class CodeGenerator {
public static void main(String[] args) {
String password = "root";
String username = "root";
String url = "jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=Asia/Shanghai";
DataSourceConfig.Builder dataSourceConfig = new DataSourceConfig.Builder(url, username, password);
String finalProjectPath = Objects.requireNonNull(CodeGenerator.class.getClassLoader().getResource(""))
.getPath().replace("/target/classes/", "");
List tableList = new ArrayList<>();
tableList.add("user"); // Add tables for code generation (use "all" to generate all tables)
// Generate model classes
createModel(dataSourceConfig, finalProjectPath, true, tableList);
// Interactive mode for generating model classes
createSingleModel(dataSourceConfig, finalProjectPath);
}
private static void createModel(DataSourceConfig.Builder dataSourceConfig,
String finalProjectPath,
boolean isOverride,
List tableList) {
FastAutoGenerator.create(dataSourceConfig)
.globalConfig(builder -> {
builder.author("shisan")
.fileOverride()
.disableOpenDir()
.outputDir(finalProjectPath + "/src/main/java");
})
.packageConfig(builder -> {
builder.parent("com.shisan")
.entity("model")
.controller("web.controller")
.mapper("dao")
.service("service")
.serviceImpl("service.impl")
.other("other")
.pathInfo(Collections.singletonMap(OutputFile.xml, finalProjectPath + "/src/main/resources/mapper"));
})
.strategyConfig(builder -> {
if (!CollectionUtils.isEmpty(tableList)) {
builder.addInclude(tableList);
}
builder.addTablePrefix("wms_");
builder.entityBuilder()
.enableRemoveIsPrefix()
.enableTableFieldAnnotation()
.enableLombok();
builder.controllerBuilder()
.enableRestStyle();
builder.serviceBuilder()
.formatServiceFileName("%sService")
.formatServiceImplFileName("%sServiceImpl")
.fileOverride();
builder.mapperBuilder()
.enableBaseResultMap()
.enableMapperAnnotation()
.formatMapperFileName("%sDao")
.formatXmlFileName("%sMapper")
.enableBaseColumnList();
if (isOverride) {
builder.entityBuilder()
.fileOverride();
builder.controllerBuilder()
.fileOverride();
builder.serviceBuilder()
.fileOverride();
builder.mapperBuilder()
.fileOverride();
}
})
.injectionConfig(consumer -> {
Map customFile = new HashMap<>();
consumer.customFile(customFile);
})
.templateEngine(new VelocityTemplateEngine())
.execute();
}
private static void createSingleModel(DataSourceConfig.Builder dataSourceConfig, String finalProjectPath) {
FastAutoGenerator.create(dataSourceConfig)
.globalConfig((scanner, builder) ->
builder.author(scanner.apply("Please enter the author's name:"))
.fileOverride()
.outputDir(finalProjectPath + "/src/main/java"))
.packageConfig(builder -> {
builder.parent("com.shisan")
.entity("model")
.other("dao")
.pathInfo(Collections.singletonMap(OutputFile.xml, finalProjectPath + "/src/main/resources/mapper"));
})
.strategyConfig((scanner, builder) -> builder.addInclude(getTables(scanner.apply("Please enter table names (comma-separated), or type 'all' for all tables:")))
.controllerBuilder().enableRestStyle()
.entityBuilder().enableLombok()
.mapperBuilder().enableBaseResultMap().enableBaseColumnList()
.build())
.execute();
}
protected static List getTables(String tables) {
return "all".equals(tables) ? Collections.emptyList() : Arrays.asList(tables.split(","));
}
}