但是千萬要注意的是，配置的時候一定要記得加上@Bean註解，不加就不起作用

package com.guli.teacher.config;

import com.baomidou.mybatisplus.core.injector.ISqlInjector;
import com.baomidou.mybatisplus.extension.injector.LogicSqlInjector;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.PerformanceInterceptor;
 
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.transaction.annotation.EnableTransactionManagement;

@EnableTransactionManagement
@Configuration
@MapperScan(
 
"com.guli.teacher.mapper")
public class TeacherConfig {
    /**
     * SQL 執行效能分析外掛
     * 開發環境使用，線上不推薦。 maxTime 指的是 sql 最大執行時長
     */
    @Bean
    @Profile({"dev","test"})// 設定 dev test 環境開啟
    public PerformanceInterceptor performanceInterceptor() {
        PerformanceInterceptor performanceInterceptor 
 
= new PerformanceInterceptor();
        performanceInterceptor.setMaxTime(1000);//ms，超過此處設定的ms則sql不執行
        performanceInterceptor.setFormat(true);
        return performanceInterceptor;
    }

    /*
    * 邏輯刪除外掛
    * */
    @Bean
    public ISqlInjector sqlInjector(){
        return new LogicSqlInjector();
    }

    /*
    * 分頁外掛
    * */
    @Bean
    public PaginationInterceptor paginationInterceptor(){
        return new PaginationInterceptor();
    }



}