Springboot项目Mybatis升级为Mybatis-Plus的详细步骤

        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.4.0</version>
        </dependency>

import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;

/**
 * MyBatis相关配置
 * Created by macro on 2019/4/8.
 */
@Configuration
@EnableTransactionManagement
//@MapperScan({"com.macro.mall.mapper"})
public class MyBatisConfig {

    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // 配置最大页数，防止恶意请求分页查询
        paginationInterceptor.setLimit(1000);
        // 配置请求分页时，如果页码超过最大页数，自动回到首页
        paginationInterceptor.setOverflow(true);
        return paginationInterceptor;
    }
}

#mybatis:
#  mapper-locations:
#    - classpath:dao/*.xml
#    - classpath*:com/**/mapper/*.xml
mybatis-plus:
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl # SQL 打印
  global-config:
    db-config:
      id-type: auto # 主键策略
  mapper-locations: classpath:com/*/*/mapper/*.xml
  type-aliases-package: com.*.*.model

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.scheduling.annotation.EnableAsync;


@MapperScan("com.*.*.mapper")
@ComponentScan(basePackages = "com.*.*")
@SpringBootApplication()
@EnableAsync
public class FriendsApplication {

    public static void main(String[] args) {
        SpringApplication.run(MakingFriendsApplication.class, args);
    }

}