011 mybatis-plus分页

文章目录

cubemall-product

cubemall-product

MybatisPlusConfig.java

java 复制代码

package com.xd.cubemall.product.config;

import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;

import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

//Spring boot方式
@Configuration
@MapperScan("com.xd.cubemall.product.dao")
public class MybatisPlusConfig {


    // 最新版
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor() {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));
        return interceptor;
    }

}

BrandController.java

java 复制代码

package com.xd.cubemall.product.controller;

import java.util.Arrays;
import java.util.Map;


import com.xd.cubemall.common.utils.PageUtils;
import com.xd.cubemall.common.utils.R;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.xd.cubemall.product.entity.BrandEntity;
import com.xd.cubemall.product.service.BrandService;




/**
 * 品牌表
 *
 * @author xd
 * @email email@gmail.com
 * @date 2024-08-13 07:57:20
 */
@RestController
@RequestMapping("product/brand")
public class BrandController {
    @Autowired
    private BrandService brandService;

    /**
     * 列表
     */
    @RequestMapping("/list")
    //@RequiresPermissions("product:brand:list")
    public R list(@RequestParam Map<String, Object> params){
        PageUtils page = brandService.queryPage(params);

        return R.ok().put("page", page);
    }


    /**
     * 信息
     */
    @RequestMapping("/info/{id}")
    //@RequiresPermissions("product:brand:info")
    public R info(@PathVariable("id") Integer id){
		BrandEntity brand = brandService.getById(id);

        return R.ok().put("brand", brand);
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
    //@RequiresPermissions("product:brand:save")
    public R save(@RequestBody BrandEntity brand){
		brandService.save(brand);

        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
    //@RequiresPermissions("product:brand:update")
    public R update(@RequestBody BrandEntity brand){
		brandService.updateById(brand);

        return R.ok();
    }

    /**
     * 删除
     */
    @RequestMapping("/delete")
    //@RequiresPermissions("product:brand:delete")
    public R delete(@RequestBody Integer[] ids){
		brandService.removeByIds(Arrays.asList(ids));

        return R.ok();
    }

}

BrandServiceImpl.java

java 复制代码

package com.xd.cubemall.product.service.impl;

import com.xd.cubemall.common.utils.PageUtils;
import com.xd.cubemall.common.utils.Query;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

import com.xd.cubemall.product.dao.BrandDao;
import com.xd.cubemall.product.entity.BrandEntity;
import com.xd.cubemall.product.service.BrandService;


@Service("brandService")
public class BrandServiceImpl extends ServiceImpl<BrandDao, BrandEntity> implements BrandService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {

        //编写条件查询的条件
        String key = (String) params.get("key");
        QueryWrapper<BrandEntity> queryWrapper = new QueryWrapper<>();
        //封装查询条件
        if(!StringUtils.isEmpty(key)) {
            queryWrapper.eq("id",key).or().like("name",key);
        }

        IPage<BrandEntity> page = this.page(
                new Query<BrandEntity>().getPage(params),
                queryWrapper
        );

        return new PageUtils(page);
    }

}

application.yml

yml 复制代码

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/cube_goods?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
    username: root
    password: root
  cloud:
    nacos:
      discovery:
        server-addr: 127.0.0.1:8848
  application:
    name: cubemall-product
server:
  port: 8081
mybatis-plus:
  mapper-locations: classpath:/mapper/**/*.xml
  global-config:
    db-config:
      id-type: auto
      logic-delete-value: 1 #逻辑删除值(默认为1)
      logic-not-delete-value: 0 #逻辑未删除值(默认为0)

logging:
  level:
    com.xd.cubemall: debug