<script>

        $('input[type=checkbox]').click(

            function () {

                $('span#cheak_len').empty();

                var len = $("input[name=product_bound_id]:checkbox:checked").length;

                $('span#cheak_len').append(len);

            }

        )

    </script>

<!--全选-->

        <label for="exampleInputEmail2">全选</label>

        <input type="checkbox" class="allAndNotAll">&nbsp;&nbsp;&nbsp;

        共选中<span id="cheak_len">0</span>条

<!-- 单个选框-->

<td><input type="checkbox" value="{{ data.id }}"name="product_bound_id" id="inlineCheckbox1"></td>