使用Mybatis逆向工具生成mapper和pojo

<?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>
  <groupId>com.jingchao.mybatis</groupId>
  <artifactId>mybatis_generator_for_springboot</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>jar</packaging>
  <dependencies>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.28</version>
    </dependency>
    <!--mybatis-->
    <dependency>
      <groupId>org.mybatis.spring.boot</groupId>
      <artifactId>mybatis-spring-boot-starter</artifactId>
      <version>1.3.1</version>
    </dependency>
    <!--mapper-->
    <dependency>
      <groupId>tk.mybatis</groupId>
      <artifactId>mapper-spring-boot-starter</artifactId>
      <version>1.2.4</version>
    </dependency>
    <!-- mybatis 逆向生成工具  -->
    <dependency>
      <groupId>org.mybatis.generator</groupId>
      <artifactId>mybatis-generator-core</artifactId>
      <version>1.3.2</version>
      <scope>compile</scope>
      <optional>true</optional>
    </dependency>
  </dependencies>
</project>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
        PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
    <context id="MysqlContext" targetRuntime="MyBatis3Simple" defaultModelType="flat">
        <property name="beginningDelimiter" value="`"/>
        <property name="endingDelimiter" value="`"/>
        <plugin type="tk.mybatis.mapper.generator.MapperPlugin">
            <property name="mappers" value="com.jingchao.mybatis.utils.MyMapper"/>
        </plugin>
        <!-- 数据库的连接信息 -->
        <jdbcConnection driverClass="com.mysql.cj.jdbc.Driver"
                        connectionURL="jdbc:mysql://localhost:3306/ssm?serverTimezone=UTC"
                        userId="root"
                        password="123456">
        </jdbcConnection>
        <!-- javaBean的生成策略 -->
        <javaModelGenerator targetPackage="com.jingchao.mybatis.pojo"
                            targetProject="src/main/java">
        </javaModelGenerator>
        <!-- SQL映射文件的生成策略 -->
        <sqlMapGenerator targetPackage="com.jingchao.mybatis.mapper"
                         targetProject="src/main/resources">
        </sqlMapGenerator>
        <!-- Mapper接口的生成策略 -->
        <javaClientGenerator targetPackage="com.jingchao.mybatis.mapper"
                             targetProject="src/main/java"
                             type="XMLMAPPER">
        </javaClientGenerator>
        <!--逆向分析表-->
        <!-- tableName设置为*号，可以对应所有表 -->
        <table tableName="t_emp"/>
    </context>
</generatorConfiguration>

package com.jingchao.mybatis.utils;
import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.internal.DefaultShellCallback;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
public class GeneratorDisplay {
  public void generator() throws Exception{
    List<String> warnings = new ArrayList<String>();
    boolean overwrite = true;
    //指定 逆向工程配置文件
    File configFile = new File("src/main/resources/generatorConfig.xml");
    ConfigurationParser cp = new ConfigurationParser(warnings);
    Configuration config = cp.parseConfiguration(configFile);
    DefaultShellCallback callback = new DefaultShellCallback(overwrite);
    MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config,
        callback, warnings);
    myBatisGenerator.generate(null);
  } 
  public static void main(String[] args) throws Exception {
    try {
      GeneratorDisplay generatorSqlmap = new GeneratorDisplay();
      generatorSqlmap.generator();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

package com.jingchao.mybatis.utils;
import tk.mybatis.mapper.common.Mapper;
import tk.mybatis.mapper.common.MySqlMapper;
//继承自己的MyMapper
public interface MyMapper<T> extends Mapper<T>, MySqlMapper<T> {}