$_LANG['cfg_name']['rate'] = '货币汇率';
$_LANG['cfg_desc']['rate'] = '输入规则按照和美元的汇率进行输入：
英镑，欧元，美元，人民币，日元，港元，澳元。';$_LANG['cfg_name']['ybprice_format'] = '英镑格式';
$_LANG['cfg_name']['oyprice_format'] = '欧元格式';
$_LANG['cfg_name']['myprice_format'] = '美元格式';
$_LANG['cfg_name']['rmbprice_format'] = '人民币格式';
$_LANG['cfg_name']['ryprice_format'] = '日元格式';
$_LANG['cfg_name']['gyprice_format'] = '港元格式';
$_LANG['cfg_name']['ayprice_format'] = '澳元格式';$_LANG['cfg_desc']['ybprice_format'] = '显示英镑格式，%s将被替换为相应价格';
$_LANG['cfg_desc']['oyprice_format'] = '显示欧元格式，%s将被替换为相应价格';
$_LANG['cfg_desc']['myprice_format'] = '显示美元格式，%s将被替换为相应价格';
$_LANG['cfg_desc']['rmbprice_format'] = '显示人民币格式，%s将被替换为相应价格';
$_LANG['cfg_desc']['ryprice_format'] = '显示日元格式，%s将被替换为相应价格';
$_LANG['cfg_desc']['gyprice_format'] = '显示港元格式，%s将被替换为相应价格';
$_LANG['cfg_desc']['ayprice_format'] = '显示澳元格式，%s将被替换为相应价格';

$url_this = "http://".$_SERVER ['HTTP_HOST'].$_SERVER['PHP_SELF']."?id=".$_GET['id'];
$smarty->assign("url_head",$url_this);$currency = @$_GET['currency'];if($currency!=""){
$_SESSION['currency'] = $currency;
}
if($_SESSION['currency'] == '')
{
$_SESSION['currency'] = 'RMB';
}
echo $_SESSION['currency'];

function price_format($price, $change_price = true)
{$currency = $_SESSION['currency'];
$rate = explode(',',$GLOBALS['_CFG']['rate']);
if($currency == 'RMB')
{
$price = $price*$rate[0];
}
if($currency == 'USD')
{$price = $price*$rate[3];
}
if($currency == 'EUR')
{
$price = $price*$rate[1];
}
if($currency == 'GBP')
{
$price = $price*$rate[2];
}
if($currency == 'AUD')
{
$price = $price*$rate[4];
}if ($change_price && defined('ECS_ADMIN') === false)
{
switch ($GLOBALS['_CFG']['price_format'])
{
case 0:
$price = number_format($price, 2, '.', '');
break;
case 1: // 保留不为 0 的尾数
$price = preg_replace('/(.*)(\\.)([0-9]*?)0+$/', '\1\2\3', number_format($price, 2, '.', ''));if (substr($price, -1) == '.')
{
$price = substr($price, 0, -1);
}
break;
case 2: // 不四舍五入，保留1位
$price = substr(number_format($price, 2, '.', ''), 0, -1);
break;
case 3: // 直接取整
$price = intval($price);
break;
case 4: // 四舍五入，保留 1 位
$price = number_format($price, 1, '.', '');
break;
case 5: // 先四舍五入，不保留小数
$price = round($price);
break;
}
}
else
{
$price = number_format($price, 2, '.', '');
}
switch ($currency)
{
case 'RMB':
return sprintf($GLOBALS['_CFG']['currency_format'], $price);
break;
case 'USD':
return sprintf($GLOBALS['_CFG']['myprice_format'], $price);
break;
case 'EUR':
return sprintf($GLOBALS['_CFG']['oyprice_format'], $price);
break;
case 'AUD':
return sprintf($GLOBALS['_CFG']['ayprice_format'], $price);
break;
}
}

<select name="hbxz" id="hbxz" onChange="changhb(this.value)">
<option>请选择币种</option>
<option value="RMB" >人民币</option>
<option value="USD" >USD</option>
<option value="AUD" >AUG</option>
<option value="EUR" >Euro</option>
</select>
<script>
function changhb(kk)
{
location.href = "{$url_head}"+"&currency=" + kk;
}
</script>