docker run --name docker-mysql-5.7 -e MYSQL_ROOT_PASSWORD=123456 -p 3306:3306 -d mysql:5.7

create database demo;create table user_info(user_id     varchar(64)          not null primary key,username    varchar(100)         null ,age         int(3)               null ,gender      tinyint(1)           null ,remark      varchar(255)         null ,create_time datetime             null ,create_id   varchar(64)          null ,update_time datetime             null ,update_id   varchar(64)          null ,enabled     tinyint(1) default 1 null);INSERT INTO demo.user_info(user_id, username, age, gender, remark, create_time, create_id, update_time, update_id, enabled)VALUES('1', '1', 1, 1, '1', NULL, '1', NULL, NULL, 1);

msyql username：rootmysql password：123456

<?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">    <parent>        <artifactId>springboot-demo</artifactId>        <groupId>com.et</groupId>        <version>1.0-SNAPSHOT</version>    </parent>    <modelVersion>4.0.0</modelVersion>
    <artifactId>generator</artifactId>
    <properties>        <maven.compiler.source>8</maven.compiler.source>        <maven.compiler.target>8</maven.compiler.target>    </properties>    <dependencies>        <!-- spring boot -->        <dependency>            <groupId>org.mybatis.spring.boot</groupId>            <artifactId>mybatis-spring-boot-starter</artifactId>            <version>2.1.3</version>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-test</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</artifactId>        </dependency>        <!-- mysql -->        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>        </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>        </dependency>    </dependencies></project>

package com.et.generator;
import com.baomidou.mybatisplus.annotation.DbType;import com.baomidou.mybatisplus.annotation.IdType;import com.baomidou.mybatisplus.core.toolkit.StringPool;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;
public class Generator {      public static void main(String[] args) {      // System.getProperty("user.dir") == get current project dir      String projectDir ="D:\\IdeaProjects\\ETFramework\\generator";      String outputDir = projectDir+"\\src\\main\\java";      //String outputDir = System.getProperty("user.dir") + "/src/main/java";//    String outputDir = "C://Users/VULCAN/Desktop/new";      // table name, Pay attention to capitalization      String[] tableNames = new String[]{"user_info"};      // database url      String url = "jdbc:mysql://localhost:3306/demo?useUnicode=true&characterEncoding=utf8";      String userName = "root";      String password = "123456";      // parentPackage      String parentPackage = "com.et.generator";      // need to remove prefix from tablename      String prefixTable = "";      generate(projectDir,outputDir, tableNames, url, userName, password, parentPackage, prefixTable);   }      /**    * @param outputDir    * @param tableNames    * @param url    * @param userName    * @param password    * @param parentPackage    * @param prefixTable    */   public static void generate(String projectDir,String outputDir, String[] tableNames, String url, String userName,         String password, String parentPackage, String prefixTable) {      // ===============  Global setting ==================      GlobalConfig gc = new GlobalConfig();      gc.setOutputDir(outputDir)         .setActiveRecord(true)                      //  enable AR,           .setAuthor("Harries")                    // set Author name           .setFileOverride(true)                          // enable FileOverride？           .setIdType(IdType.AUTO)                         //primary strategy           .setBaseResultMap(true)                      // SQL mappingg           .setBaseColumnList(true)                     // SQL BaseColumn           .setServiceName("%sService")                  // service name           .setOpen(false);            // =================  database setting   ===============      DataSourceConfig dsc = new DataSourceConfig();         dsc.setDbType(DbType.MYSQL)          .setDriverName("com.mysql.cj.jdbc.Driver");      dsc.setUrl(url)           .setUsername(userName)           .setPassword(password);            // =================  package setting  ===================       PackageConfig pc = new PackageConfig();         pc.setParent(parentPackage)                     // parentPackage path//           .setModuleName("base")                         // ModuleName path           .setMapper("mapper")           .setEntity("entity")//           .setEntity("entity")           .setService("service")           //.setServiceImpl("service.impl");              // auto generate impl， no need to set           .setController("controller");                // ==================  custom setting  =================         InjectionConfig cfg = new InjectionConfig() {             @Override             public void initMap() {                 // to do nothing             }         };         List<FileOutConfig> focList = new ArrayList<>();         // adjust xml generate directory         focList.add(new FileOutConfig("/templates/mapper.xml.ftl") {             @Override             public String outputFile(TableInfo tableInfo) {                 // custom file name                 return projectDir + "/src/main/resources/mybatis/"                         + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;             }         });         cfg.setFileOutConfigList(focList);                  // ===================  strategy setting  ==================         StrategyConfig strategy = new StrategyConfig();         strategy.setNaming(NamingStrategy.underline_to_camel)             // table name：  underline_to_camel                 .setColumnNaming(NamingStrategy.underline_to_camel)         // file name： underline_to_camel                 .setInclude(tableNames)                              // tableNames                 .setCapitalMode(true)                               // enable CapitalMod(ORACLE )                 .setTablePrefix(prefixTable)                          // remove table prefix//                 .setFieldPrefix(pc.getModuleName() + "_")               // remove fields prefix//                 .setSuperEntityClass("com.maoxs.pojo")                 // Entity implement//                 .setSuperControllerClass("com.maoxs.controller")             // Controller implement//                 .setSuperEntityColumns("id")                         // Super Columns//                 .setEntityLombokModel(true)                         // enable lombok                 .setControllerMappingHyphenStyle(true);                  // controller MappingHyphenStyle                // ==================  custome template setting：default mybatis-plus/src/main/resources/templates  ======================         //default: src/main/resources/templates directory         TemplateConfig tc = new TemplateConfig();         tc.setXml(null)                                            // xml template           .setEntity("/templates/entity.java")                           // entity template           .setMapper("/templates/mapper.java")                           // mapper template           .setController("/templates/controller.java")                 // service template           .setService("/templates/service.java")                    // serviceImpl template           .setServiceImpl("/templates/serviceImpl.java");             // controller template                  // ====================  gen setting  ===================         AutoGenerator mpg = new AutoGenerator();         mpg.setCfg(cfg)                 .setTemplate(tc)                 .setGlobalConfig(gc)                 .setDataSource(dsc)                 .setPackageInfo(pc)                 .setStrategy(strategy)                 .setTemplateEngine(new FreemarkerTemplateEngine());          // choose freemarker engine，pay attention to pom dependency！         mpg.execute();   }
}

package com.et.generator;
import org.mybatis.spring.annotation.MapperScan;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication@MapperScan("com.et.generator.mapper")public class DemoApplication {
   public static void main(String[] args) {      SpringApplication.run(DemoApplication.class, args);   }
}

server:  port: 8088
spring:  datasource:    password: 123456    username: root    url: jdbc:mysql://localhost:3306/demo?characterEncoding=utf-8&useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true    driver-class-name: com.mysql.cj.jdbc.Driver
mybatis-plus:  mapper-locations: classpath*:/mybatis/*.xml

[{"userId":"1","username":"1","age":1,"gender":true,"remark":"1","createTime":null,"createId":"1","updateTime":null,"updateId":null,"enabled":true},{"userId":"2","username":"2","age":2,"gender":true,"remark":"2","createTime":null,"createId":"2","updateTime":null,"updateId":null,"enabled":true}]