我在about.com上發現了這個腳本,我試圖從中學習如何創建評分系統,但由於某種原因,當鏈接被點擊並重新加載頁面時,腳本不會計數投票。PHP和MySQL票數問題?
我想知道如何解決這個問題?我需要更改哪部分代碼以及在哪裏?
下面是完整的腳本。
<?php
// Connects to your Database
mysql_connect("localhost", "root", "", "sitename") or die(mysql_error());
mysql_select_db("sitename") or die(mysql_error());
//We only run this code if the user has just clicked a voting link
if ($mode=="vote") {
//If the user has already voted on the particular thing, we do not allow them to vote again $cookie = "Mysite$id";
if(isset($_COOKIE[$cookie])) {
echo "Sorry You have already ranked that site <p>";
} else {
//Otherwise, we set a cooking telling us they have now voted
$month = 2592000 + time();
setcookie(Mysite.$id, Voted, $month);
//Then we update the voting information by adding 1 to the total votes and adding their vote (1,2,3,etc) to the total rating
mysql_query ("UPDATE vote SET total = total+$voted, votes = votes+1 WHERE id = $id");
echo "Your vote has been cast <p>";
}
}
//Puts SQL Data into an array
$data = mysql_query("SELECT * FROM vote") or die(mysql_error());
//Now we loop through all the data
while($ratings = mysql_fetch_array($data)) {
//This outputs the sites name
echo "Name: " .$ratings['name']."<br>";
//This calculates the sites ranking and then outputs it - rounded to 1 decimal
if($ratings['total'] > 0 && $ratings['votes'] > 0) {
$current = $ratings['total']/$ratings['votes'];
} else {
$current = 0;
}
echo "Current Rating: " . round($current, 1) . "<br>";
//This creates 5 links to vote a 1, 2, 3, 4, or 5 rating for each particular item
echo "Rank Me: ";
echo "<a href=?mode=vote&voted=1&id=".$ratings['id'].">Vote 1</a> | ";
echo "<a href=?mode=vote&voted=2&id=".$ratings['id'].">Vote 2</a> | ";
echo "<a href=?mode=vote&voted=3&id=".$ratings['id'].">Vote 3</a> | ";
echo "<a href=?mode=vote&voted=4&id=".$ratings['id'].">Vote 4</a> | ";
echo "<a href=?mode=vote&voted=5&id=".$ratings['id'].">Vote 5</a><p>";
}
?>
你一票下來濫用這個網站上,你已經將這些代碼一次,一小時前你創造了這個問題。如果你想改變你的問題的一些細節,編輯原來的問題,不要問一個新的問題,你只是重複自己。 – TravisO 2009-12-11 18:11:31