mybatispuls代码生成器
引入依赖
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.7.14</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>com.fengqing</groupId><artifactId>CodeGenerator</artifactId><version>0.0.1-SNAPSHOT</version><name>CodeGenerator</name><description>CodeGenerator</description><properties><java.version>1.8</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>com.baomidou</groupId><artifactId>mybatis-plus-boot-starter</artifactId><version>3.3.1</version></dependency><dependency><groupId>com.baomidou</groupId><artifactId>mybatis-plus-generator</artifactId><version>3.3.1</version></dependency><dependency><groupId>org.freemarker</groupId><artifactId>freemarker</artifactId></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.22</version></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>
生成器代码
package com.fengqing.codegenerator;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.TableInfo;
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;// 演示例子,执行 main 方法控制台输入模块表名回车自动生成对应项目目录中
public class CodeGenerator {/*** <p>* 读取控制台内容* </p>*/public static String scanner(String tip) {Scanner scanner = new Scanner(System.in);StringBuilder help = new StringBuilder();help.append("请输入" + tip + ":");System.out.println(help.toString());if (scanner.hasNext()) {String ipt = scanner.next();if (StringUtils.isNotBlank(ipt)) {return ipt;}}throw new MybatisPlusException("请输入正确的" + tip + "!");}public static void main(String[] args) {// 代码生成器AutoGenerator mpg = new AutoGenerator();// 全局配置GlobalConfig gc = new GlobalConfig();String projectPath = System.getProperty("user.dir");gc.setOutputDir(projectPath + "/src/main/java");//作者gc.setAuthor("fengqing");//打开输出目录gc.setOpen(false);// gc.setSwagger2(true); 实体属性 Swagger2 注解mpg.setGlobalConfig(gc);// 数据源配置DataSourceConfig dsc = new DataSourceConfig();dsc.setUrl("jdbc:mysql://localhost:3306/blog?useUnicode=true&useSSL=false&characterEncoding=utf8");// dsc.setSchemaName("public");dsc.setDriverName("com.mysql.jdbc.Driver");dsc.setUsername("root");dsc.setPassword("123456");mpg.setDataSource(dsc);// 包配置PackageConfig pc = new PackageConfig();//pc.setModuleName(scanner("模块名"));pc.setParent("com.fengqing.codegenerator");pc.setEntity("bean");pc.setMapper("mapper");pc.setService("service");pc.setServiceImpl("service.impl");pc.setController("controller");mpg.setPackageInfo(pc);// 自定义配置InjectionConfig cfg = new InjectionConfig() {@Overridepublic void initMap() {// to do nothing}};// 如果模板引擎是 freemarkerString templatePath = "/templates/mapper.xml.ftl";// 如果模板引擎是 velocity// String templatePath = "/templates/mapper.xml.vm";// 自定义输出配置List<FileOutConfig> focList = new ArrayList<>();// 自定义配置会被优先输出focList.add(new FileOutConfig(templatePath) {@Overridepublic String outputFile(TableInfo tableInfo) {// 自定义输出文件名 , 如果你 Entity 设置了前后缀、此处注意 xml 的名称会跟着发生变化!!return projectPath + "/src/main/resources/mapper/" + pc.getModuleName()+ "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;}});/*cfg.setFileCreate(new IFileCreate() {@Overridepublic boolean isCreate(ConfigBuilder configBuilder, FileType fileType, String filePath) {// 判断自定义文件夹是否需要创建checkDir("调用默认方法创建的目录,自定义目录用");if (fileType == FileType.MAPPER) {// 已经生成 mapper 文件判断存在,不想重新生成返回 falsereturn !new File(filePath).exists();}// 允许生成模板文件return true;}});*/cfg.setFileOutConfigList(focList);mpg.setCfg(cfg);// 配置模板TemplateConfig templateConfig = new TemplateConfig();// 配置自定义输出模板//指定自定义模板路径,注意不要带上.ftl/.vm, 会根据使用的模板引擎自动识别// templateConfig.setEntity("templates/entity2.java");// templateConfig.setService();// templateConfig.setController();templateConfig.setXml(null);mpg.setTemplate(templateConfig);// 策略配置StrategyConfig strategy = new StrategyConfig();//数据库 表 映射到实体的命名策略【数据库表有下划线,所以转为驼峰命名】strategy.setNaming(NamingStrategy.underline_to_camel);//数据库 表字段 映射到实体的命名策略strategy.setColumnNaming(NamingStrategy.underline_to_camel);//strategy.setSuperEntityClass("你自己的父类实体,没有就不用设置!");strategy.setEntityLombokModel(true);//生成 @RestController 控制器【因为是前后端分离的项目,返回给前端的都是Json字符串,因此就使用 @RestController 注解了】strategy.setRestControllerStyle(true);// 公共父类//strategy.setSuperControllerClass("你自己的父类控制器,没有就不用设置!");// 写于父类中的公共字段//strategy.setSuperEntityColumns("id");strategy.setInclude(scanner("表名,多个英文逗号分割").split(","));strategy.setControllerMappingHyphenStyle(true);strategy.setTablePrefix(pc.getModuleName() + "_");mpg.setStrategy(strategy);mpg.setTemplateEngine(new FreemarkerTemplateEngine());mpg.execute();}}