我们在使用springboot 框架 和mybatis-plus 开发web项目的时候,像 控制器 这类的文件 有了这个基于mybatis-plus 的 代码生成器 我们就不必自己创建了 ,直接执行后 自动帮我们生成好控制器、服务处、实现层 等等 非常的方便 。
废话不多说,还是直接分享代码生成器的工具类~
package com.jsonl.base.db;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.config.*;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.jsonl.base.entities.BaseEntity;import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Scanner;
/*** 老代码生成器适用于 3.5.1 以下版本* 提醒:* 在使用之前 需要把 文件里的 xxx 替换成 自己的com.xxx 的包前缀* mysqlIp 改为 自己的数据库 ip 包括账户密码* 把 java.vm 模板放到 resources 文件夹下* **/
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 Cg() {// 代码生成器AutoGenerator mpg = new AutoGenerator();// 全局配置GlobalConfig gc = new GlobalConfig();String projectPath = System.getProperty("user.dir");System.out.println(projectPath);gc.setOutputDir(projectPath + "/src/main/java");gc.setOpen(false);gc.setSwagger2(true); //实体属性 Swagger2 注解mpg.setGlobalConfig(gc);String moduleName = scanner("模块名");String packageName = scanner("包名");String Author = scanner("创建人");gc.setAuthor(Author);// 数据源配置DataSourceConfig dsc = new DataSourceConfig();String db = scanner("数据库名");dsc.setUrl("jdbc:mysql://mysqlIp:3306/" + db + "?useUnicode=true&useSSL=false&characterEncoding=utf8");// dsc.setSchemaName("public");dsc.setDriverName("com.mysql.cj.jdbc.Driver");dsc.setUsername("root");dsc.setPassword("root");mpg.setDataSource(dsc);// 包配置PackageConfig pc = new PackageConfig();
// pc.setModuleName(moduleName);pc.setParent("");pc.setEntity("com.xxx." + packageName + ".entities");pc.setService("com.xxx." + packageName + ".service.inteface");pc.setServiceImpl("com.xxx." + packageName + ".service.impl");pc.setController("com.xxx." + packageName + ".controller");pc.setMapper("com.xxx." + packageName + ".mapper");HashMap<String, String> pathMap = new HashMap<>();pathMap.put(ConstVal.ENTITY, projectPath + "/" + "service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/entities");pathMap.put(ConstVal.SERVICE, projectPath + "/" + "service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/service/inteface");pathMap.put(ConstVal.MAPPER, projectPath + "/" + "service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/mapper");pathMap.put(ConstVal.SERVICE_IMPL, projectPath + "/" + "service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/service/impl");pathMap.put(ConstVal.CONTROLLER, projectPath + "/" + "service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/controller");pc.setPathInfo(pathMap);mpg.setPackageInfo(pc);// 自定义配置InjectionConfig cfg = new InjectionConfig() {@Overridepublic void initMap() {// to do nothing}};String mapperJavaPath = "/templates/mapper.java.vm";String entityPath = "/templates/entity.java.vm";String servicePath = "/templates/service.java.vm";String serviceImplPath = "/templates/serviceImpl.java.vm";String controllxxxath = "/templates/controller.java.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(entityPath) {@Overridepublic String outputFile(TableInfo tableInfo) {return projectPath + "/service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/entities/" + tableInfo.getEntityName() + StringPool.DOT_JAVA;}});focList.add(new FileOutConfig(mapperJavaPath) {@Overridepublic String outputFile(TableInfo tableInfo) {return projectPath + "/service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/mapper/" + tableInfo.getMapperName() + StringPool.DOT_JAVA;}});focList.add(new FileOutConfig(servicePath) {@Overridepublic String outputFile(TableInfo tableInfo) {return projectPath + "/service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/service/inteface/" + tableInfo.getServiceName() + StringPool.DOT_JAVA;}});focList.add(new FileOutConfig(serviceImplPath) {@Overridepublic String outputFile(TableInfo tableInfo) {return projectPath + "/service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/service/impl/" + tableInfo.getServiceImplName() + StringPool.DOT_JAVA;}});focList.add(new FileOutConfig(controllxxxath) {@Overridepublic String outputFile(TableInfo tableInfo) {return projectPath + "/service/" + moduleName + "/src/main/java/com/xxx/" + packageName + "/controller/" + tableInfo.getControllerName() + StringPool.DOT_JAVA;}});cfg.setFileOutConfigList(focList);mpg.setCfg(cfg);// 配置模板TemplateConfig templateConfig = new TemplateConfig();templateConfig.setXml(null);mpg.setTemplate(templateConfig);// 策略配置StrategyConfig strategy = new StrategyConfig();strategy.setNaming(NamingStrategy.underline_to_camel);strategy.setColumnNaming(NamingStrategy.underline_to_camel);strategy.setSuperEntityClass(BaseEntity.class);strategy.setEntityLombokModel(true);strategy.setRestControllerStyle(true);strategy.setChainModel(true);// 公共父类strategy.setSuperControllerClass("com.xxx." + packageName + ".BaseController");// 写于父类中的公共字段strategy.setSuperEntityColumns("id","created_at","updated_at","is_deleted");String[] tables = scanner("表名,多个英文逗号分割").split(",");strategy.setInclude(tables);strategy.setControllerMappingHyphenStyle(true);
// String[] prefix = tables[0].split("_");
// if (prefix.length > 1)
// strategy.setTablePrefix(prefix[0]);strategy.setTablePrefix(moduleName);strategy.setEntityTableFieldAnnotationEnable(true);mpg.setStrategy(strategy);
// mpg.setTemplateEngine(new FreemarkerTemplateEngine());mpg.execute();}public static void main(String[] args) {Cg();}// private static Map<String, String> path = new HashMap() {{
// put("skeleton", "/service/aaa");
// }};}
实际代码生成工具类的实现方式 就是根据 预先写好的 代码模板,然后 生成出来我们想要的代码
像这种 就是代码的模板
因为模板文件过多 我直接整理好了。配合工具类 一起使用,有需要的小伙伴可用去下载使用~
https://www.wwwoop.com/home/Index/projectInfo?goodsId=32&typeParam=2