易优CMS标签downloadpay下载付费的实现方法

{eyou:downloadpay id='res'}
<div class="pla-dow" {$res.buyId}>
<div class="tlt-jin">
{eyou:if condition='$eyou.field.restric_type == 1'}
<!-- 付费 -->
购买该内容 ￥{$eyou.field.users_price}
{eyou:elseif condition='$eyou.field.restric_type == 2' /}
<!-- 会员专享 -->
{eyou:eq name='$eyou.field.no_vip_pay' value='1'}
开通【<font color="red">{$eyou.field.arc_level_id|getArcLevelName=###}</font>】免费下载
<div style="margin-top: 5px;"><a href="{:url('user/Level/level_centre')}" style="color: #ff9600;">立即开通</a></div>
<div class="tlt-chi text-gray">该内容支持单独购买 ￥{$eyou.field.users_price}</div>
{eyou:else /}
开通【<font color="red">{$eyou.field.arc_level_id|getArcLevelName=###}</font>】免费下载
{/eyou:eq}
{eyou:elseif condition='$eyou.field.restric_type == 3' /}
<!-- 会员付费 -->
下载此内容需开通【<font color="red">{$eyou.field.arc_level_id|getArcLevelName=###}</font>】，并支付￥{$eyou.field.users_price}
{/eyou:if}
</div>
<a {$res.onclick} class="btn"><i class="fa fa-arrow-alt-to-bottom margin-right"></i>立即购买</a>
<div class="tlt-chi text-gray">已有<span>{eyou:freebuynum /}</span>人支付</div>
</div>
<div {$res.downloadId}>
<div class="tlt-jin"{$res.downloadTipsId}>已购买当前内容，可直接下载</div>
{eyou:volist name="$eyou.field.file_list" id="vo"}
<a href="{$vo.downurl}" {eyou:if condition="$vo.extract_code !=''"}data-clipboard-text="{$vo.extract_code}" {/eyou:if} class="btn"><i class="fa fa-arrow-alt-to-bottom margin-right"></i>{$vo.server_name}</a>
{eyou:if condition="$vo.extract_code !=''"}
<div class="text-center text-gray margin-small-top">
提取码：{$vo.extract_code}
<!-- 有提取码则显示 -->
</div>
{/eyou:if}
{/eyou:volist}
</div>
{$res.hidden}
{/eyou:downloadpay}