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php中从百度抓取汇率的函数。

人民币转港币汇率

//人民币转港币汇率
function Get_Exchange_RMB2HKD()
{
       $url = "http://www.baidu.com/s?rn=50&bs=%C8%CB%C3%F1%B1%D2%B6%D2%BB%BB%B8%DB%B1%D2%BB%E3%C2%CA+%BD%D3%BF%DA&f=8&wd=%C8%CB%C3%F1%B1%D2%B6%D2%BB%BB%B8%DB%B1%D2%BB%E3%C2%CA";
	   $html = file_get_contents($url);
	   $html = iconv("GBK", "utf-8",$html);
	   if (preg_match('/人民币元=(?P<exchange>[0-9\\.]+)/', $html, $regs)) {
		   $result = $regs[exchange];
		} else {
		   $result = "0";
	   }
	   return $result;
}

港币转人民币汇率

//港币转人民币汇率
function Get_Exchange_HKD2RMB()
{
        $url = "http://www.baidu.com/s?rn=50&bs=%C8%CB%C3%F1%B1%D2%B6%D2%BB%BB%B8%DB%B1%D2%BB%E3%C2%CA+%BD%D3%BF%DA&f=8&wd=%C8%CB%C3%F1%B1%D2%B6%D2%BB%BB%B8%DB%B1%D2%BB%E3%C2%CA";
	   $html = file_get_contents($url);
	   $html = iconv("GBK", "utf-8",$html);
	   if (preg_match('/港币=(?P<exchange>[0-9\\.]+)/', $html, $regs)) {
		   $result = $regs[exchange];
		} else {
		   $result = "0";
	   }
	   return $result;
}

人民币转美元汇率

//人民币转美元汇率
function Get_Exchange_RMB2USD()
{
         $url = "http://www.baidu.com/s?rn=50&bs=%B0%C4%C3%C5%B1%D2%BB%BB%C8%CB%C3%F1%B1%D2&f=8&wd=%C3%C0%D4%AA%BB%BB%C8%CB%C3%F1%B1%D2";
	   $html = file_get_contents($url);
	   $html = iconv("GBK", "utf-8",$html);
	   if (preg_match('/人民币元=(?P<exchange>[0-9\\.]+)/', $html, $regs)) {
		   $result = $regs[exchange];
		} else {
		   $result = "0";
	   }
	   return $result;
}

美元转人民币汇率

//美元转人民币汇率
function Get_Exchange_USD2RMB()
{
         $url = "http://www.baidu.com/s?rn=50&bs=%B0%C4%C3%C5%B1%D2%BB%BB%C8%CB%C3%F1%B1%D2&f=8&wd=%C3%C0%D4%AA%BB%BB%C8%CB%C3%F1%B1%D2";
	   $html = file_get_contents($url);
	   $html = iconv("GBK", "utf-8",$html);
	   if (preg_match('/美元=(?P<exchange>[0-9\\.]+)/', $html, $regs)) {
		   $result = $regs[exchange];
		} else {
		   $result = "0";
	   }
	   return $result;
}