<tr>
    <th><input type="checkbox" class="checkbox-inline" onclick="checkAll(this)"></th>  // 用来全选
  </tr>
  </thead>
  <tbody>
  @foreach ($keys as $key)
    <tr>
      <td><input type="checkbox" class="ck checkbox-inline" name="item[]" value="{{ $key->id }}"></td>  // 复选框
    </tr>
  @endforeach
  <a style="font-size: 15px;" id="delAll" type="button" class="btn btn-primary" onclick="delKeys()">批量删除</a>
  </tbody>

// 全选
var ck = $('.ck');
function checkAll(qx)
{
  if (qx.checked) {
    for (var i=0; i<ck.length; i++) {     // 实现全选
      ck[i].setAttribute("checked", "checked");
    }
  } else {
    for (var i=0; i<ck.length; i++) {     // 取消全选
      ck[i].removeAttribute("checked");
    }
  }
}
// 批量删除
function delKeys()
{
  var items = [];
  for (var i=0; i<ck.length; i++) {
    if (ck[i].checked) {
      items.push(ck[i].value);    // 将id都放进数组
    }
  }
  if (items == null || items.length == 0)    // 当没选的时候，不做任何操作
  {
    return false;
  }
  layer.confirm('您确定要删除我们吗？', {
    btn: ['确定', '取消'],
  }, function() {
    $.post("{{ url('key/delAll') }}", {
      "_token": "{{ csrf_token() }}",
      "keys": items
    }, function(data) {
      if (data.status == 0) {
        layer.msg(data.msg, { icon: 6});
        location.href = location.href;
      } else {
        layer.msg(data.msg, { icon: 5});
      }
    });
  }, function() {});

public function delAll(Request $request)
{
     for ($i=0; $i<count($request['keys']); $i++) {
       $res = Key::where('id', $request['keys'][$i])->update(['isDelete' => 1]);  // 遍历删除
     }
     if ($res) {
       $data = [
         'status' => 0,
         'msg' => '删除成功'
       ];
     } else {
       $data = [
         'status' => 1,
         'msg' => '删除失败'
       ];
     }
     return $data;
}