//thinkphp循环显示把data里fid赋予多选框
<volist name="data" id="vo">
<tr>
   <td><input type="checkbox" value="{$vo.fid}"/></td>//可在后面加td输入参数  
</tr>
</volist>
<tr>
<th width="80"><input type="checkbox" id="all"/>全选</th>
<th width="80"><input type="button" value="全选" class="btn" id="selectAll" /></th>
<th width="80"><input type="button" value="全不选" class="btn" id="unSelect" /></th>
<th><input type="button" value="反选" class="btn" id="reverse" /></th> 
<th width="180">
 <a href="javascript:void(0);" rel="external nofollow" onclick="del()" title="删除选定数据">删除</a>
</th> 
</tr>

<script>
    //多选
    $("#all").click(function(){   
    if(this.checked){   
        $("#list :checkbox").attr("checked", true);  
      }else{   
        $("#list :checkbox").attr("checked", false); 
      }   
    });
    //当点到全选按钮
    $("#selectAll").click(function () { 
      $("#list :checkbox,#all").attr("checked", true);  
    });
    //全不选
    $("#unSelect").click(function () {  
      $("#list :checkbox,#all").attr("checked", false);  
    });
    //反选
    $("#reverse").click(function () {  
      $("#list :checkbox").each(function () {  
        $(this).attr("checked", !$(this).attr("checked"));  
      }); 
      allCheck(); 
    });
    //删除
    function del(){
      var valArr = new Array;
      $("#list :checkbox[checked]").each(function(i){ 
        valArr[i] = $(this).val(); 
      });
      var vals = valArr.join(',');//数组转换以逗号隔开的字符串 
      if (valArr.length == 0) {
        alert('请选择要删除的选项');
      }else{
        if (confirm("确定删除？删除后将无法恢复。")){
          var data={name:vals};
          $.ajax({
            type: "post",
            url: "{:U('College/School/faculty_del')}",//url为tp方法（控制器/方法）
            data:data,
            success: function(json) {
             var obj = eval('(' + json + ')');//返回回来的json转化为js对象
              if (parseInt(obj.counts) > 0) {
                alert(obj.des);
                location.reload();
               } else {
                alert(obj.des);
               }
              },
            error: function(XMLHttpRequest, textStatus) {
               alert("页面请求错误，请检查重试或联系管理员！\n" + textStatus);
             }
           });
        }
      }
    }
</script>

public function faculty_del(){
    $fid = trim($_POST['name']);
    //以下为查询条件
    $bname['deletemark'] = 0;
    $res = $this->faculty_model
            ->where(array('fid'=>array('in',$fid)))
            ->save($bname);
      //查询条件为你的查询条件，我这边为逻辑删除，修改字段值就好
//    echo $this->faculty_model->getLastSql();
//    var_dump($res);
//    exit;
    if ($res) {
     $counts = "1";
     $des = "成功";
    } else {
     $counts = "0";
     $des = "失败";
    }
    $json_data = "{";
    $json_data.= "\"counts\":".json_encode($counts).",";
    $json_data.= "\"des\":".json_encode($des)."";
    $json_data.= "}";
    echo $json_data;
    exit;    
  }