mybatis-plus-generator 生成代码
依赖包
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.0.6</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency>
<!--以下依赖是拓展，插件-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-extension</artifactId>
<version>3.0.6</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-annotation</artifactId>
<version>3.0.6</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-core</artifactId>
<version>3.0.6</version>
</dependency>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-generator</artifactId>
<version>3.0.6</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.30</version>
</dependency>
mybatis-plus-generator 自动生成代码
修改包名、作者、路径后，运行main()方法，输入表名即可，多个表用逗号隔开
import com.baomidou.mybatisplus.annotation.FieldFill;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.po.TableFill;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
/**
* 生成数据库对应的entity, mapper, service, controller
*
* 运行main()方法，输入表名即可，多个表用逗号隔开
*/
public class MybatisResourcesGenerator {
/**
* 包名。自行修改
*/
private static final String PACKAGE = "com.example.demo";
/**
* 作者。自行修改
*/
public static final String AUTHOR = "xx";
/**
* 如果输出的路径不对，修改 PATH
*/
private static final String PATH = "";
private static final String TABLE_PREFIX = "tb_";
private static final String ENTITY_NAME = "Entity";
private static final String ENTITY_PACKAGE = "domain";
private static final String SERVICE_NAME = "Service";
private static final String SERVICE_PACKAGE = "service";
private static final String SERVICE_IMPL_PACKAGE = "service.impl";
private static final String MAPPER_PACKAGE = "dao";
private static final String RESOURCES_MAPPER_XML = "/src/main/resources/mapper/";
/**
* jdbc配置。自行修改
*/
private static final String JDBC_MYSQL = "jdbc:mysql://数据库地址:端口/xx?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=true";
private static final String MYSQL_JDBC_DRIVER = "com.mysql.jdbc.Driver";
private static final String USER_NAME = "账号";
private static final String PASSWORD = "密码";
/**
* 生成数据库对应的entity, mapper, service, controller
*
* 运行main()方法，输入表名即可，多个表用逗号隔开
*/
public static void main(String[] args) {
// 代码生成器
AutoGenerator mpg = new AutoGenerator();
//获取工程根目录
String projectPath = System.getProperty("user.dir");
System.out.println("projectPath=" + projectPath);
// 全局配置
GlobalConfig gc = getGlobalConfig(projectPath);
mpg.setGlobalConfig(gc);
// 数据源配置
DataSourceConfig dsc = getSourceConfig();
mpg.setDataSource(dsc);
// 包配置
PackageConfig pc = getPackageConfig();
mpg.setPackageInfo(pc);
// 自定义配置
InjectionConfig cfg = getInjectionConfig(projectPath);
mpg.setCfg(cfg);
mpg.setTemplate(new TemplateConfig().setXml(null));
// 策略配置
StrategyConfig strategy = getStrategy();
mpg.setStrategy(strategy);
mpg.setTemplateEngine(new FreemarkerTemplateEngine());
mpg.execute();
}
/**
* 如果输出的路径不对，修改 PATH
* @param projectPath
* @return
*/
public static GlobalConfig getGlobalConfig(String projectPath) {
GlobalConfig gc = new GlobalConfig();
//如果输出的路径不对，修改 PATH
gc.setOutputDir(projectPath + PATH + "/src/main/java");
//作者名称
gc.setAuthor(AUTHOR);
gc.setOpen(false);
gc.setServiceName("%s" + SERVICE_NAME);
gc.setEntityName("%s" + ENTITY_NAME);
gc.setIdType(IdType.ID_WORKER);
gc.setDateType(DateType.ONLY_DATE);
gc.setBaseColumnList(true);
gc.setBaseResultMap(true);
gc.setFileOverride(true);
return gc;
}
/**
* 数据源配置
* @return
*/
public static DataSourceConfig getSourceConfig() {
DataSourceConfig dsc = new DataSourceConfig();
dsc.setUrl(JDBC_MYSQL);
// dsc.setSchemaName("public");
dsc.setDriverName(MYSQL_JDBC_DRIVER);
dsc.setUsername(USER_NAME);
dsc.setPassword(PASSWORD);
return dsc;
}
/**
* 包配置
* @return
*/
public static PackageConfig getPackageConfig() {
PackageConfig pc = new PackageConfig();
// pc.setModuleName(scanner("模块名"));
pc.setParent(PACKAGE);
pc.setEntity(ENTITY_PACKAGE);
pc.setService(SERVICE_PACKAGE);
pc.setServiceImpl(SERVICE_IMPL_PACKAGE);
pc.setMapper(MAPPER_PACKAGE);
return pc;
}
/**
* 自定义配置
* @param projectPath
* @return
*/
public static InjectionConfig getInjectionConfig(String projectPath) {
InjectionConfig cfg = new InjectionConfig() {
@Override
public void initMap() {
// to do nothing
}
};
List<FileOutConfig> focList = new ArrayList<>();
focList.add(new FileOutConfig("/templates/mapper.xml.ftl") {
@Override
public String outputFile(TableInfo tableInfo) {
// 自定义输入文件名称
return projectPath + PATH + RESOURCES_MAPPER_XML
+ tableInfo.getMapperName() + StringPool.DOT_XML;
}
});
cfg.setFileOutConfigList(focList);
return cfg;
}
/**
* 策略配置
* @return
*/
public static StrategyConfig getStrategy() {
StrategyConfig strategy = new StrategyConfig();
strategy.setNaming(NamingStrategy.underline_to_camel);
strategy.setColumnNaming(NamingStrategy.underline_to_camel);
// strategy.setSuperEntityClass("com.baomidou.ant.common.BaseEntity");
strategy.setEntityLombokModel(true);
strategy.setRestControllerStyle(true);
// strategy.setSuperControllerClass("com.baomidou.ant.common.BaseController");
strategy.setInclude(scanner("表名"));
// strategy.setSuperEntityColumns("id_");
strategy.setControllerMappingHyphenStyle(true);
strategy.setTablePrefix(TABLE_PREFIX);
strategy.setLogicDeleteFieldName("is_delete");
strategy.setVersionFieldName("op_version");
List<TableFill> tableFillList = new ArrayList<>();
tableFillList.add(new TableFill("create_time", FieldFill.INSERT));
tableFillList.add(new TableFill("update_time", FieldFill.UPDATE));
strategy.setTableFillList(tableFillList);
return strategy;
}
/**
* <p>
* 读取控制台内容
* </p>
*/
public static String[] scanner(String tip) {
Scanner scanner = new Scanner(System.in);
System.out.println("请输入" + tip + "：");
if (scanner.hasNext()) {
String ipt = scanner.next();
if (StringUtils.isNotBlank(ipt)) {
if(ipt.contains(",")) {
return ipt.split(",");
} else {
return new String[] {ipt};
}
}
}
throw new MybatisPlusException("请输入正确的" + tip + "！");
}
}
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