jpa的分页实现

Posted 2020-12-27 a565810497

 @RequestMapping(value = "/show")
    public ModelAndView show( int page){
        ModelAndView mv = new ModelAndView();
        int size=8;
        PageRequest pageable=PageRequest.of(page,size);
        Page<Management> pageObject=managementRepository.findAll(pageable);
        //getTotalPages()返回总的页数
        int totalPage=pageObject.getTotalPages();
        //getTotalElements()返回总数
        long count=pageObject.getTotalElements();
        List<Management> managements=pageObject.getContent();
        mv.addObject("managements",managements);
        mv.addObject("count",count);
        mv.addObject("totalPage",totalPage);
        mv.addObject("page",page);
        mv.setViewName("/ShowManagement.btl");
        return mv;

    }

前端代码：

<div class="dataTables_paginate paging_simple_numbers" id="datatable-responsive_paginate">
    <ul class="pagination">
        <% if(page==0) { %>
        <li class="paginate_button previous disabled" id="datatable-responsive_previous">
            <a href="#" aria-controls="datatable-responsive" data-dt-idx="0"
               tabindex="0">前一页</a></li>
        <% }else{ %>
        <li class="paginate_button previous " id="datatable-responsive_previous1">
            <a href="/management/show?page=${page-1}" aria-controls="datatable-responsive" data-dt-idx="0"
               tabindex="0">前一页</a></li>
        <% } %>

        <% for (var i=1;i<=totalPage;i++) { %>
        <li class="paginate_button " ><a href="/management/show?page= ${i-1}"
                                        aria-controls="datatable-responsive"
                                        tabindex="0">${i}</a></li>
        <% }
        %>
        <% if(page==totalPage-1) { %>
        <li class="paginate_button previous disabled" id="datatable-responsive_previous2">
            <a href="#" aria-controls="datatable-responsive" data-dt-idx="0"
               tabindex="0">后一页</a></li>
        <% }else{ %>
        <li class="paginate_button next" id="datatable-responsive_next"><a href="/management/show?page=${page+1}"
                                                                           aria-controls="datatable-responsive"
                                                                           tabindex="0">后一页</a>
        </li>
        <% } %>
    </ul>
</div>

效果：

如果完成了修改员工信息和员工离职的操作时无法回到该信息的页数。

前端直接打开的时候要输入?page=