实时抓取YAHOO股票报价的代码

March 25,2004

<?
function getYahooQuote($stockSymbol = "CCR")
{
if (!$targetURL) $targetURL = "http://finance.yahoo.com/q?s=$stockSymbol&d=t"; //设定要抓取的URL目标
      $fd = fopen("$targetURL", "r");
      $stopExtract = 0;
      $startExtract = 0;
      while (!feof($fd))
      {
         $buffer = fgets($fd, 4096);
            //echo trim($buffer)."n";
         if (strstr($buffer, "rowspan=3"))
         {
            //echo "extract started at line #$lineCountn";
            $startExtract = 1;
         }
         if ($startExtract && !$stopExtract)
         {

            if (strstr($buffer, "<a"))
            {
                  $startPos = strrpos($buffer, "<");
                  $buffer = substr($buffer, $startPos);
            }
            //$text = trim(strip_tags($buffer));
            //echo trim($buffer)."n";

            $buffer = str_replace("nr", " ", "$buffer");
            if (strstr($buffer, "http://ichart.yahoo.com/v?s=$stockSymbol"))
            {
                  //echo "ichart found!";
                  $stopExtract = 1;
            }
            $capturedHTML .= $buffer;

         }
         if ($startExtract && strstr($buffer, "<br>"))
         {
               $stopExtract = 1;
            //echo "extract stopped at line #$lineCountn";
            echo $capturedHTML;
            break;
         }
         $lineCount++;
      }
      fclose($fd);
}

//以下为抓取的一个例子
$symbols = array('CCR', 'IIXL','SAPE','WBVN' );
$symbolCount = count($symbols);
for ($i=0; $i< $symbolCount; $i++)
{
      echo "$symbols[$i]<br>";
      getYahooQuote("$symbols[$i]");
}
?>