分页插件

https://github.com/pagehelper/Mybatis-PageHelper/blob/master/wikis/zh/HowToUse.md

1

    <!--引入pageHelper分页插件 -->
    <dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper</artifactId>
      <version>5.0.0</version>
    </dependency>

2

package com.controller;

import com.bean.Employee;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.service.EmpService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpServletRequest;
import java.util.List;
import java.util.Map;

@Controller
public class EmpController {

    @Autowired
    EmpService empService;

    @RequestMapping("/emps")
    public String emp(
        @RequestParam(value = "pn", defaultValue = "1") Integer pn,
       Map<Object,Object> map) {

        //pn第一页传入的当前页，每页显示5数据
        PageHelper.startPage(pn, 5);
        //查询数据
        List<Employee> emps = empService.getAll();
        //封装，当前页有连续的5条
        PageInfo page = new PageInfo(emps,5);
        map.put("pageInfo",page);
        
            return "list";
        

    }

}

来源：CSDN

作者：天梯无忌

链接：https://blog.csdn.net/weixin_44663632/article/details/103653617