//以对象的形式获取数据库$data变量的信息，将lastPage()传输至页面
        $lastpage = $data->lastPage();
 $this->assign(‘lastpage‘, $lastpage);

    <select name="page" id="page" >

        <option value="1">请选择您要搜索的分页页码</option>
        {for start="1" end="$lastpage+1"}
        <option value="{$i}">{$i}</option>>
        {/for}
    </select>
//引入jq   页面加载shij
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js">
</script>
<script>
    $("#page").change(function (){
        var page=$("#page").val();
     location.href=‘http://www.1906a.com/task/article/index/page/‘+page;
    })

</script>