一、添加依赖

在.pom文件中添加

com.github.pagehelper pagehelper 3.5.1

二、添加配置/strong>

在spring-mybaits.xml文件中添加插件

                                dialect=mysql       reasonable=true                    

三、controller代码

//分页展示用户 @RequestMapping(value = "/user.do") public ModelAndView test1(HttpServletRequest request, HttpServletResponse response, ModelMap mode) throws Exception {  ModelAndView modelAndView = new ModelAndView();  int pageNumber = 1;  try{   if(request.getParameter("pageNow").equals(null)){    System.out.println("参数空");   }else {    pageNumber = Integer.parseInt(request.getParameter("pageNow"));   }  }catch (Exception e){   //处理空针错误  }  System.out.println("请求参数"+request.getParameter("pageNow"));  PageInfo pageInfo = userService.selectUserByPage(pageNumber,5);//  Map map = new HashMap();//  List