按照官網(wǎng)上實例嘗試了一下，感覺MyBatis plus中代碼生成器還是很強(qiáng)大的，以下是測試的總結(jié)：

使用MybatisPlus的主要依賴

引入plus依賴（苞米豆）

<dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>3.1.1</version> </dependency>

生成器依賴

<dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-generator</artifactId> <version>3.1.1</version> </dependency>

模板依賴

<dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>2.3.28</version> </dependency>

測試的pom依賴（也有我測試別東西的依賴，多余的請忽略）

<?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 http://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>2.1.5.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.wy</groupId> <artifactId>testpuls</artifactId> <version>0.0.1-SNAPSHOT</version> <name>testpuls</name> <description>Demo project for Spring Boot</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>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-boot-starter</artifactId> <version>3.1.1</version> </dependency> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus-generator</artifactId> <version>3.1.1</version> </dependency> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>2.3.28</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>5.1.7.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-test</artifactId> </dependency> <dependency> <groupId>com.capgemini.mrchecker</groupId> <artifactId>mrchecker-core-module</artifactId> <version>4.12.1.1</version> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-spring-service-connector</artifactId> <version>2.0.4.RELEASE</version> </dependency> <dependency> <groupId>com.capgemini.mrchecker</groupId> <artifactId>mrchecker-core-module</artifactId> <version>4.12.1.1</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build></project>

代碼生成器類

package com.wy.testpuls.util;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;public class MyGenerator { public static String scanner(String someThing) { Scanner scanner = new Scanner(System.in); StringBuilder help = new StringBuilder(); help.append('請輸入' + someThing + '：'); System.out.println(help.toString()); if (scanner.hasNext()) { String sc = scanner.next(); if (StringUtils.isNotEmpty(sc)) {return sc; } } throw new MybatisPlusException('請輸入正確的' + someThing + '！'); } public static void main(String[] args) { // 代碼生成器 AutoGenerator mpg = new AutoGenerator(); // 全局配置 GlobalConfig gc = new GlobalConfig(); String projectPath = System.getProperty('user.dir'); gc.setOutputDir(projectPath + '/src/main/java'); gc.setAuthor('山石'); gc.setOpen(false); mpg.setGlobalConfig(gc); // 數(shù)據(jù)源配置 DataSourceConfig dsc = new DataSourceConfig(); dsc.setUrl('jdbc:mysql://localhost:3306/test?useUnicode=true&useSSL=false&characterEncoding=utf8'); dsc.setDriverName('com.mysql.jdbc.Driver'); dsc.setUsername('root'); dsc.setPassword('admin'); mpg.setDataSource(dsc); // 包配置 PackageConfig pc = new PackageConfig(); pc.setModuleName(scanner('請輸入你的包名')); pc.setParent('com.wy');//你哪個父目錄下創(chuàng)建包 mpg.setPackageInfo(pc); // 自定義配置 InjectionConfig cfg = new InjectionConfig() { @Override public void initMap() {// to do nothing } }; // 如果模板引擎是 freemarker String templatePath = '/templates/mapper.xml.ftl'; // 如果模板引擎是 velocity // String templatePath = '/templates/mapper.xml.vm'; // 自定義輸出配置 List<FileOutConfig> focList = new ArrayList<>(); // 自定義配置會被優(yōu)先輸出 focList.add(new FileOutConfig(templatePath) { @Override public String outputFile(TableInfo tableInfo) {// 自定義輸出文件名 ， 如果你 Entity 設(shè)置了前后綴、此處注意 xml 的名稱會跟著發(fā)生變化！！return projectPath + '/src/main/resources/mapper/' + pc.getModuleName() + '/' + tableInfo.getEntityName() + 'Mapper' + StringPool.DOT_XML; } }); cfg.setFileOutConfigList(focList); mpg.setCfg(cfg); // 配置模板 TemplateConfig templateConfig = new TemplateConfig(); // 配置自定義輸出模板 //指定自定義模板路徑，注意不要帶上.ftl/.vm, 會根據(jù)使用的模板引擎自動識別 // templateConfig.setEntity('templates/entity2.java'); // templateConfig.setService(); // templateConfig.setController(); templateConfig.setXml(null); mpg.setTemplate(templateConfig); // 策略配置,數(shù)據(jù)庫表配置 StrategyConfig strategy = new StrategyConfig(); //數(shù)據(jù)庫表映射到實體的命名策略 strategy.setNaming(NamingStrategy.underline_to_camel); //數(shù)據(jù)庫表字段映射到實體類的命名策略 strategy.setColumnNaming(NamingStrategy.underline_to_camel); //自定義繼承entity類，添加這一個會在生成實體類的時候繼承entity //strategy.setSuperEntityClass('com.wy.testCodeGenerator.entity'); //實體是否為lombok模型 strategy.setEntityLombokModel(true); //生成@RestController控制器 strategy.setRestControllerStyle(true); //是否繼承controller // strategy.setSuperControllerClass('com.wy.testCodeGenerator.controller'); strategy.setInclude(scanner('表名，多個英文逗號分割').split(',')); strategy.setSuperEntityColumns('id'); //駝峰轉(zhuǎn)連字符串 strategy.setControllerMappingHyphenStyle(true); //表前綴 strategy.setTablePrefix(pc.getModuleName() + '_'); mpg.setStrategy(strategy); mpg.setTemplateEngine(new FreemarkerTemplateEngine()); mpg.execute(); }}

注意：測試時輸入的表名必須和數(shù)據(jù)庫中一致，區(qū)分大小寫。

疑問：生成的實體類當(dāng)中沒有id。求解

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