本订单最大可抵扣金额为<{if $discount_rate}><{$max_discount_value|cur_odr}><{else}>0<{/if}>（<{if $discount_rate}><{$max_discount_value/$discount_rate}><{else}>0<{/if}>积分），1积分=<{$discount_rate|cur_odr}>
当前账户积分：<{$real_usage_point}>输入抵扣分数：
<{if $discount_rate}> <{if $max_discount_value/$discount_rate > $real_usage_point}> <{assign var="maxusepoint" value=$real_usage_point}> <{else}> <{assign var="maxusepoint" value=($max_discount_value/$discount_rate)}> <{/if}> <{else}> <{assign var="maxusepoint" value=0}> <{/if}> 使用可抵扣 0 元