删除的注意事项：点击删除按钮必须为class，不能为id

    1. //注意删除按钮的自定义值data-id="{$vo['id']}"
    2. <foreach name="shopdata" item="v">
    3.     <tr class="shopname" foodtype = "{$v.id}" name="first" status="none">
    5.         <td class="sort-caret" style="text-align:center;font-size:16px;">
    6.             {$v.shop_name}{$v['id']}
    7.                 <span class="carets iconfont icon-cgxialatubiao"></span>
    9.         </td>
    10.          <td><a shopid="{$v['id']}" class="btn btn-primary couponadd" >添加优惠卷</a></td>                  
    11.     </tr>
    13. <foreach name="v['coupondata']" item="vo">
    14.     <tr style="display: none" class="category second_{$v.id} all_{$v.id}" foodtype ="{$v.id}" name="second" id="{$vo.id}" status="none">
    15.         <td class="sort-caret" style="text-align:center;font-size:16px;">
    16.             {$vo.coupon_name}    
    17.         </td>
    18.         <td style="text-align:center;">
    19.             {$vo['coupon_denomination']}
    20.         </td>
    22.         <td>{$vo['coupon_num']}</td>
    23.         <td>{$vo['coupon_num']}</td>
    24.         <td>{$vo['start_time']|date="Y-j-n",###}</td>
    25.         <td>{$vo['end_time']|date="Y-j-n",###}</td>
    26.         <td>是</td>
    27.         <td  style="text-align:center;">
    28.             <a couponId="{$vo['id']}" class="btn btn-primary btn-sm icon-edit couponedit">修改</a>&nbsp;
    29.             <a data-id="{$vo['id']}" class="btn btn-danger btn-sm icon-delete coupondelete">删除</a>
    31.         </td>                        
    32.     </tr>
    33. </foreach>    
    35. </foreach>  
    38. //js代码
    39. $('.coupondelete').click(function(){
    40.     var that = $(this);
    41.     if(confirm('您确定要删除')) {
    43.         var data = {'id':that.data('id')}
    45.         $.ajax({
    46.             url:"{:U('/addon/WeiuidDeit/web/foodcouponDelect')}",
    47.             type:'POST',
    48.             data:data,
    49.             dataType:'json',
    50.             success:function(data){ 
    51.                 data = JSON.parse(data);
    52.                 if(data.error == 200){
    53.                     //直接移除父级的标签
    54.                     that.parents('tr').remove();
    55.                 }
    56.                 alert(data.msg);
    57.             },
    58.             error:function(){alert('删除出错')}
    59.         })
    60.     }
    61. })

    后台控制器

    1. // 优惠卷删除
    2.     public function foodcouponDelect()
    3.     {
    4.         $id = $_POST['id'];
    6.         if (M('foodcoupon')->delete($id)) {
    7.             $code['msg'] = '删除成功';
    8.             $code['error'] = '200';
    9.         } else {
    10.             $code['msg'] = '删除失败';
    11.             $code['error'] = '400';
    12.         }
    14.         $this->ajaxReturn(json_encode($code));
    15.     }