TP框架之多文件上传(2)

控制器

  //展示1
    function show()
    {
         $biao=M('biao3');
         $bol=$biao->select();
         $hang=count($bol);
        //echo $hang;die;
        $num=3;
        $ye=ceil($hang/$num);   //页数
       //设置当前页
       $page=isset($_GET['page'])?$_GET['page']:1;
        //echo $page;die;
        //每页显示的第一条数据(偏移量)
         $par=($page-1)*$num;
        //设置上下页
         $list=$page<=1?1:$page-1;
        $next=$page>=$ye?$ye:$page+1;
          //再次查询
        $bool=$biao->limit($par,$num)->select();
        //echo $biao->_sql();die;
        //赋值
        $this->assign('data',$bool);
        $this->assign('list',$list);
        $this->assign('next',$next);
        $this->assign('ye',$ye);

        $this->display('show');
    }
    //修改
    function update()
    {
        //接受id
        $id=I('get.id');
        //echo $id;
        $a=I('get.aa');
        //echo $a;
        $data['g_desc']=$a;
        $biao=M('biao3');
        $bol=$biao->where("g_id='$id'")->save($data);
        if($bol)
        {
             echo 1;
        }
        else
        {
            echo 0;
        }
    }

视图层

 <style>
        a{
            text-decoration: none;
        }
        a:hover{
            color: aqua;
        }
        .pp{
          font-family: "Courier New", Courier, monospace;
            font-style: italic;
            color: greenyellow;
        }
    </style>

<div id="div1">
  <table border="1">
      <tr>
          <th>品牌名字</th>
          <th>品牌logo</th>
          <th>商品图片</th>
          <th>商品描述</th>
      </tr>
      <foreach name="data" item="v">
          <tr>
              <td>{$v.g_name}</td>
              <td><a href="__ROOT__/{$v.g_logo}" target="_blank"><img src="__ROOT__/{$v.g_logo}" width="100" height="40"></a></td>
              <td>
                  <?php
                    $tu=explode('-./',$v['g_img']);
                    array_shift($tu);   //删除前面的-
                    //print_r($tu);die;
                     foreach($tu as $v2)
                     {?>
                         <img src="__ROOT__/<?php echo $v2;?>" width="60" height="40">
                  <?php  }
                  ?>
              </td>
              <td onclick="chang('{$v.g_id}')">
                  <input type="text" value="{$v.g_desc}" id="i{$v.g_id}" style="display: none" onblur="update('{$v.g_id}')"><span id="s{$v.g_id}">{$v.g_desc}</span>
              </td>
          </tr>
          </foreach>
  </table>
    <td>
        <a href="javascript:" onclick="fun(1)">首页</a>
        <a href="javascript:" onclick="fun('{$list}')">上一页</a>
        <a href="javascript:" onclick="fun('{$next}')">下一页</a>
        <a href="javascript:" onclick="fun('{$ye}')">尾页</a>
    </td>
     <br/>  <br/>   <br/>
    <a href="__URL__/show2" class="pp">不美观，换一种展示</a>
</div>

<script>
    function fun(page)
    {
        //alert(page);die;
        var ajax=new XMLHttpRequest();
        ajax.onreadystatechange=function()
        {
            if(ajax.readyState==4&&ajax.status==200)
            {
                document.getElementById('div1').innerHTML=ajax.responseText;
            }
        }
        ajax.open('get','__URL__/show?page='+page);
        ajax.send(null);
    }
//即点即改     显示文本框
    function chang(id)
    {
        document.getElementById('i'+id).style.display = 'block';
        document.getElementById('s'+id).innerHTML = '';   //清空
    }
//即点即改     修改数据
    function update(id)
    {
        var a=document.getElementById('i'+id).value;
        //alert(a);die;
        var ajax=new XMLHttpRequest();
        ajax.onreadystatechange=function()
        {
          if(ajax.readyState==4&&ajax.status==200)
          {
              //alert(ajax.responseText);
               if(ajax.responseText==1)
               {
                   alert('修改成功');
               }
              else
               {
                   alert('修改失败');
               }
          }
        }
        ajax.open('get','__URL__/update?id='+id+'&aa='+a);   //不要一样
        ajax.send(null);

    }
</script>