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8. ͶƱϵͳ

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8.1 ͶƱϵͳ£¨mypolls.php3£(C)£º

<?
$status=0;
if(isset($polled)&&($polled=="c-e")){
$status=1;
}

echo "$status";

if(isset($poll)&&($status==0)){
setcookie("polled","c-e",time()+86400,"/");#time=24h
}
?>

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ÍøÒ³¸u¾«ÃÀ
ûʲô¸Ä½ø
ÆaËu
²e¿´µ÷²e½a¹u

"ÐÅÏ¢Á¿¸u´o", 2=>"ÍøÒ³¸u¾«ÃÀ", 3=>"ûʲô¸Ä½ø", 4=>"ÆaËu" ); $poll_resultBarHeight = 9; // height in pixels of percentage bar in result table $poll_resultBarScale = 1; // scale of result bar (in multiples of 100 pixels) $poll_tableHeader=""; $poll_rowHeader=""; $poll_dataHeader=""; $poll_rowFooter=""; $poll_tableFooter="

"; $poll_dataFooter="

"; $coutfile="data.pol"; $poll_sum=0;

// read counter-file
if (file_exists( $coutfile))
{
$fp = fopen( $coutfile, "rt");
while ($Line = fgets($fp, 10))
{
// split lines into identifier/counter
if (ereg( "([^ ]) ([0-9]*)", $Line, $tmp))
{
$curArray[(int)$tmp[1]] = (int)$tmp[2];
$poll_sum+=(int)$tmp[2];
}
}
// close file
fclose($fp);
}else{//
for ($i=1;$i<=count($descArray);$i++){
$curArray[$i]=0;
}
}
if(isset($poll)){
$curArray[$poll_voteNr]++;
$poll_sum++;
}
echo $poll_tableHeader;

// cycle through all options±aÀuÊý×e
reset($curArray);
while (list($K, $V) = each($curArray))
{
$poll_optionText = $descArray[$K];
$poll_optionCount = $V;
echo $poll_rowHeader;

if($poll_optionText != "")
{
echo $poll_dataHeader;
echo $poll_optionText;
echo $poll_dataFooter;

if($poll_sum)
$poll_percent = 100 * $poll_optionCount / $poll_sum;
else
$poll_percent = 0;
echo $poll_dataHeader;

if ($poll_percent > 0)
{
$poll_percentScale = (int)($poll_percent * $poll_resultBarScale);
}

printf(" %.2f %% (%d)", $poll_percent, $poll_optionCount);

echo $poll_dataFooter;
}

echo $poll_rowFooter;
}

echo "×ܹ²Í¶Æ±´ÎÊý: $poll_sum";
echo $poll_tableFooter;
echo "
";
echo "";
echo " ";
if(isset($poll)){
// write counter file
$fp = fopen($coutfile, "wt");
reset($curArray);
while (list($Key, $Value) = each($curArray))
{
$tmp = sprintf( "%s %dn", $Key, $Value);
fwrite($fp, $tmp);
}
// close file
fclose($fp);
}
}
?>

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3¡¢¼ÆËa°Ù*ֱȣ¬¿ØÖÆͳ¼ÆbarͼÏñ¿i¶È
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