springboot+mybatis 使用分页插件PageHelper步骤(yml里面的相关配置)

<!--分页插件-->
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>5.0.0</version>
        </dependency>
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-autoconfigure</artifactId>
            <version>1.2.3</version>
        </dependency>
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-starter</artifactId>
            <version>1.2.3</version>
        </dependency>
        <!--分页插件-->

#分页插件
pagehelper:
  helper-dialect: mysql
  reasonable: true
  support-methods-arguments: true
  params: count=countSql

@RequestMapping("/agentList")
public ModelAndView agentList(HttpServletRequest request, Integer pageNum, Integer      
 pageSize) throws Exception {
 
        ModelAndView mv = new ModelAndView("myAgent");
 
        User user = (User) request.getSession().getAttribute("user");
        if(pageNum == null){
            pageNum = 1;
        }
        if(pageSize == null){
            pageSize = 6;
        }
        //使用分页插件
        PageHelper.startPage(pageNum , pageSize);
 
        List<Map> list = agentService.agentList(user.getId()); //获取后台数据列表（根据自己系统修改）
 
        //根据查询的数据列表，得到分页的结果对象
        PageInfo<Map> pageList = new PageInfo<Map>(list); 
        List<Map> datas = pageList.getList(); 
        mv.addObject("datas", datas);
        return mv;
    }