利用yahoo汇率接口实现实时汇率转换示例汇率转换器

functiongetExchangeRate($from_Currency,$to_Currency)
{
       $amount=urlencode($amount);
       $from_Currency=urlencode($from_Currency);
       $to_Currency=urlencode($to_Currency);
       $url="download.finance.yahoo.com/d/quotes.html?s=".$from_Currency.$to_Currency."=X&f=sl1d1t1ba&e=.html";
       $ch=curl_init();
       $timeout=0;
       curl_setopt($ch,CURLOPT_URL,$url);
       curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
       curl_setopt($ch, CURLOPT_USERAGENT,"Mozilla/4.0(compatible;MSIE8.0;WindowsNT6.1)");
         curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);
       $rawdata=curl_exec($ch);
       curl_close($ch);
       $data=explode(",",$rawdata);
       return$data[1];
}
//调用方法
echogetExchangeRate("CNY","USD");