本文主要介紹了Mybatis-Plus如何配置分頁(yè)對(duì)象，文中通過(guò)示例代碼介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值，需要的朋友們下面隨著小編來(lái)一起學(xué)習(xí)學(xué)習(xí)吧

配置類(lèi)

package com.xiaoge.config;

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;

/**
?* @Author: ZhangXiao
?* @DateTime: 2022/4/19 14:20
?* @Description:
?*/
@Configuration ?// 放在ioc容器中
@MapperScan(basePackages = {"com.xiaoge.mapper"}) // 掃描對(duì)應(yīng)的mapper接口文件包
public class MybatisPlusConfig {

? ?? ?// 必須要加Bean
? ? @Bean
? ? public PaginationInterceptor paginationInterceptor() {
? ? ? ? return new PaginationInterceptor();
? ? }

}

SysUserController

package com.xiaoge.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.xiaoge.anno.Log;
import com.xiaoge.domain.SysUser;
import com.xiaoge.service.SysUserService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
?* @Author: ZhangXiao
?* @DateTime: 2022/4/19 19:19
?* @Description:
?*/
@Api(tags = "后臺(tái)用戶(hù)接口")
@RestController
@RequestMapping("sys/user")
public class SysUserController {

? ? @Autowired
? ? private SysUserService sysUserService;

? ? /**
? ? ?* 分頁(yè)查詢(xún)管理員列表
? ? ?* @param page
? ? ?* @return
? ? ?*/
? ? @ApiOperation("分頁(yè)查詢(xún)管理員列表")
? ? @GetMapping("page")
? ? @Log(operation = "分頁(yè)查詢(xún)管理員列表")
? ? public ResponseEntity<IPage<SysUser>> getSysUserPage(Page<SysUser> page, SysUser sysUser) {
? ? ? ? IPage<SysUser> sysUserIPage = sysUserService.findSysUserByPage(page, sysUser);
? ? ? ? return ResponseEntity.ok(sysUserIPage);
? ? }

}

SysUserService

package com.xiaoge.service;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.IService;
import com.xiaoge.domain.SysUser;

/**
* @Author: ?ZhangXiao
* @DateTime: ?2022/4/19 19:13
* @Description:
*/

public interface SysUserService extends IService<SysUser>{


? ? /**
? ? ?* 分頁(yè)查詢(xún)管理員列表
? ? ?* @param page
? ? ?* @param sysUser
? ? ?* @return
? ? ?*/
? ? IPage<SysUser> findSysUserByPage(Page<SysUser> page, SysUser sysUser);
}

SysUserServiceImpl

package com.xiaoge.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.xiaoge.domain.SysUser;
import com.xiaoge.mapper.SysUserMapper;
import com.xiaoge.service.SysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;

/**
 * @Author:  ZhangXiao
 * @DateTime:  2022/4/19 19:13
 * @Description:
 */

@Service
public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> implements SysUserService{

    @Autowired
    private SysUserMapper sysUserMapper;

    /**
     * 分頁(yè)查詢(xún)管理員列表
     *
     * @param page
     * @param sysUser
     * @return
     */
    @Override
    public IPage<SysUser> findSysUserByPage(Page<SysUser> page, SysUser sysUser) {
        page.addOrder(OrderItem.desc("create_time"));
        return sysUserMapper.selectPage(page, new LambdaQueryWrapper<SysUser>()
                .like(!StringUtils.isEmpty(sysUser.getUsername()), SysUser::getUsername, sysUser.getUsername())
                .eq(!ObjectUtils.isEmpty(sysUser.getStatus()), SysUser::getStatus, sysUser.getStatus()));

    }
}

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