已有的springcloud+mybatis项目升级为mybatis-plus的方法

@Data
@TableName("project_base")
public class ProjectBase {
 @TableId(value = "id", type = IdType.UUID)//id看具体项目要求如果是后台生成则不需要type属性，如果不是后台生成不管是自增还是唯一键还是填入都需type属性
  private String id;
	 private String prjid;

  private String ccode;

  private String cname;

  private String orgbuild;

  @TableField(fill = FieldFill.INSERT_UPDATE)、//自动填充时间需要一个继承MetaObjectHandler的类，下一个
  private Date createtime;
  @TableField(fill = FieldFill.UPDATE)
  private Date updatetime;
  @TableLogic//需要配置文件开启逻辑删除
  private Boolean del;

  @Version//版本字段数据库不是一定为version只需要在版本字段上加上注解就可以
  private Integer version;

package com.itpm.server.Handler;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.util.Date;

@Component
@Slf4j
public class MyMateHandler implements MetaObjectHandler {
  @Override
  public void insertFill(MetaObject metaObject) {
    this.setFieldValByName("createtime",new Date(),metaObject);
    this.setFieldValByName("updatetime",new Date(),metaObject);
  }

  @Override
  public void updateFill(MetaObject metaObject) {
    this.setFieldValByName("updatatime",new Date(),metaObject);
  }
}

package com.itpm.server.mapper.project;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.itpm.server.domain.project.ProjectBase;
import com.itpm.server.domain.project.ProjectBaseExample;
import com.itpm.server.dto.project.ProjectBaseDto;
import org.apache.ibatis.annotations.Param;

import java.util.List;
import java.util.Map;

public interface ProjectBaseMapper extends BaseMapper<ProjectBase> {
  long countByExample(ProjectBaseExample example);

  int deleteByExample(ProjectBaseExample example);


  int deleteByPrimaryKey(String id);

  int insertlist(List<ProjectBase> list);

  int insert(ProjectBase record);

  int insertSelective(ProjectBase record);

  List<ProjectBaseDto> selectByExample(ProjectBaseExample example);

  ProjectBaseDto selectByPrimaryKey(String id);

  int updateByExampleSelective(@Param("record") ProjectBase record, @Param("example") ProjectBaseExample example);

  int updateByExample(@Param("record") ProjectBase record, @Param("example") ProjectBaseExample example);

  int updateByPrimaryKeySelective(ProjectBase record);

  int updateByPrimaryKey(ProjectBase record);

  ProjectBaseDto selectByPrjid(Map map);

  List<ProjectBaseDto> selectByprojectoverview(String prjid);

  List<ProjectBaseDto> selectProjectByExample(ProjectBaseExample example);

  List<ProjectBaseDto> selectProjectByparams(@Param("record") Map record);

}

 <dependency>
        <groupId>com.baomidou</groupId>
        <artifactId>mybatis-plus-generator</artifactId>
        <version>3.0.6</version>
      </dependency>
 <dependency>
        <groupId>org.freemarker</groupId>
        <artifactId>freemarker</artifactId>
        <version>2.3.29</version>
      </dependency>

package com.itpm.generator.server;


import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.annotation.FieldFill;
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.TableFill;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

public class ProjectKing {
  public static void main(String[] args) {
    //需要构建一个代码自动生成器对象
    AutoGenerator autoGenerator = new AutoGenerator();
    //配置策略
    //1.全局配置
    GlobalConfig globalConfig = new GlobalConfig();
    File file = new File("server");
    String path = file.getAbsolutePath();
//    String property = System.getProperty("user.dir");
    globalConfig.setOutputDir(path + "/src/main/java");
    globalConfig.setAuthor("蒋磊");
    globalConfig.setOpen(false);
    globalConfig.setBaseResultMap(true);
    globalConfig.setBaseColumnList(true);
    globalConfig.setFileOverride(false);//是否覆盖
    globalConfig.setServiceName("%sService");//去service的i前缀
    globalConfig.setIdType(IdType.UUID);
    globalConfig.setDateType(DateType.ONLY_DATE);
    globalConfig.setSwagger2(true);
    autoGenerator.setGlobalConfig(globalConfig);
    //2设置数据源
    DataSourceConfig dataSourceConfig = new DataSourceConfig();
    dataSourceConfig.setUrl("jdbc:mysql://itpm.itycu.com/itpm?characterEncoding=UTF8&autoReconnect=true&&allowMultiQueries=true");
    dataSourceConfig.setDriverName("com.mysql.jdbc.Driver");
    dataSourceConfig.setUsername("root");
    dataSourceConfig.setPassword("Itycu.8594");
    dataSourceConfig.setDbType(DbType.MYSQL);
    autoGenerator.setDataSource(dataSourceConfig);
    //包的配置
    PackageConfig packageConfig = new PackageConfig();
    packageConfig.setModuleName("server");
    String a="project";
    packageConfig.setParent("com.itpm");
//    packageConfig.setEntity("entity");
//    packageConfig.setMapper("mapper");
//    packageConfig.setService("service");
//    packageConfig.setController("controller");
    packageConfig.setEntity("domain."+a);
    packageConfig.setMapper("mapper."+a);
    packageConfig.setService("service."+a);
    packageConfig.setServiceImpl("service."+a+".impl");
    packageConfig.setController("controller."+a);
   // 自定义配置
    InjectionConfig cfg = new InjectionConfig() {
      @Override
      public void initMap() {
        // to do nothing
      }
    };
    // 模板引擎 freemarker
    String templatePath = "/templates/mapper.xml.ftl";
    // 模板引擎 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) {
      @Override
      public 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 path + "/src/main/resources/mapper/" + a
            + "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
      }
    });
    
    cfg.setFileOutConfigList(focList);
    autoGenerator.setCfg(cfg);
    templateConfig.setXml(null);
    autoGenerator.setTemplate(templateConfig);

    autoGenerator.setPackageInfo(packageConfig);
    //4策略配置
    StrategyConfig strategyConfig = new StrategyConfig();
    strategyConfig.setNaming(NamingStrategy.underline_to_camel);
    strategyConfig.setColumnNaming(NamingStrategy.underline_to_camel);
    ArrayList<String> objects = new ArrayList<>();
//    objects.add("etest");
    objects.add("rtest");
    strategyConfig.setInclude(objects.toArray(new String[objects.size()]));//设置要映射的表名

//    strategyConfig.setSuperEntityClass("");
    strategyConfig.setEntityLombokModel(true);//自动lombok
    strategyConfig.setRestControllerStyle(true);
    strategyConfig.setLogicDeleteFieldName("deletedd");//逻辑删除字段
    //自动填充配置
    TableFill createtime = new TableFill("create_time", FieldFill.INSERT);
    TableFill updatetime = new TableFill("update_time", FieldFill.UPDATE);
    ArrayList<TableFill> tableFills = new ArrayList<>();
    strategyConfig.setTableFillList(tableFills);
    //乐观锁
    strategyConfig.setVersionFieldName("berv");
    strategyConfig.setRestControllerStyle(true);
    strategyConfig.setControllerMappingHyphenStyle(true);//localhost：8080/hello_id_2
    autoGenerator.setStrategy(strategyConfig);
    autoGenerator.setTemplateEngine(new FreemarkerTemplateEngine());
    //执行
    autoGenerator.execute();
 }
}