我刚刚使用教程“创建”了一个按票数排序歌曲的脚本（参见此处：http ://radiowhisper.com/demo/demo.php）。现在，问题是：每次我刷新页面时，我都会看到歌曲名称是随机的。我如何按票数排序？（一直 -> 不随机）。
信息：歌曲名称写在 PhpMyAdmin 的“排序对象”表中。
教程：http ://tutorialzine.com/2009/11/jquery-sort-vote/
文件：
演示.php
<?php
// Hiding notices:
error_reporting(E_ALL^E_NOTICE);
// Including file for the DB connection:
define("INCLUDE_CHECK",1);
require 'connect.php';
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Radio Whisper - Top 40</title>
<link rel="stylesheet" type="text/css" href="demo.css" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/jquery-ui.min.js"></script>
<script type="text/javascript" src="script.js"></script>
</head>
<body>
<div id="main">
<h1>Radio Whisper - Top 40</h1>
<h2>Ordonati melodiile in functie de preferinte.</h2>
<hr />
<?php
// Checking whether the user has voted today:
$voted=false;
$vcheck=mysql_query(" SELECT 1 FROM sort_votes
WHERE ip='".$_SERVER['REMOTE_ADDR']."'
AND date_submit=CURDATE()");
if(mysql_num_rows($vcheck)==1)
$voted=true;
// If we are not on the data.php?results page:
if(!array_key_exists('results',$_GET))
{
echo '<ul class="sort">';
// Showing the tutorials by random
$res = mysql_query("SELECT * FROM sort_objects ORDER BY RAND()");
while($row=mysql_fetch_assoc($res))
{?>
<li id="li<?php echo $row['id']?>">
<div class="tut">
<div class="tut-img">
<img src="<?php echo $row['img']?>" width="50" height="50" alt="<?php echo $row['title']?>" />
<div class="drag-label"></div>
</div>
<div class="tut-title">
<a href="<?php echo $row['url']?>" target="_blank" title="Open it in a new window!"><?php echo $row['title']?></a>
</div>
<div class="tut-description"><?php echo $row['description']?></div>
<div class="clear"></div>
</div>
</li>
<?php } ?>
</ul>
<div class="button-holder">
<?php if(!$voted):?><a href="" id="submitPoll" class="button">Trimite topul<span></span></a><?php endif;?>
<a href="?results" class="button">Vezi rezultatele<span></span></a>
</div>
<?php
}
else require "results.php";
// The above require saves us from having to style another separate page
?>
<!-- The form below is not directly available to the user -->
<form action="?results" id="sform" method="post">
<input name="sortdata" id="sortdata" type="hidden" value="" />
</form>
</body>
</html>
演示.css
body,h1,h2,h3,p,quote,small,form,input,ul,li,ol,label{
/* A simple page reset */
margin:0px;
padding:0px;
}
body{
color:white;
font-size:13px;
background: url(img/bg.jpg) repeat-x #003951;
font-family:Arial, Helvetica, sans-serif;
text-shadow:2px 2px 5px #333333;
}
.tut-title{
font-size:20px;
font-weight:bold;
}
.tut-description{
color:#DDDDDD;
font-family:Arial,Helvetica,sans-serif;
font-size:17px;
padding-top:5px;
}
.tut-img{
border:0px solid white;
float:right;
margin:0 110px 0 0;
width:50px;
height:50px;
overflow:hidden;
/* CSS3 Box Shadow */
-moz-box-shadow:2px 2px 3px #333333;
-webkit-box-shadow:2px 2px 3px #333333;
box-shadow:2px 2px 3px #333333;
cursor:n-resize;
position:relative;
}
.drag-label{
/* The DRAG label that scrolls into visibility on hover */
background:url(img/label_small.png) no-repeat;
width:71px;
height:25px;
position:relative;
margin-left:25px;
}
a.button{
/* The pretty buttons on the bottom are actually hyperlinks.. */
color:#434343 !important;
display:block;
float:left;
font-size:10px;
font-weight:bold;
height:23px;
margin:10px;
padding:12px 10px 0 12px;
position:relative;
text-shadow:none;
text-transform:uppercase;
/* This is the left part of the button background image */
background:transparent url(img/button_gray_bg.png) no-repeat;
}
a.button:hover{
text-decoration:none !important;
background-position:bottom left;
}
a.button:active{
/* Offsetting the text 1px to the bottom on mouse-click*/
padding-top:13px;
height:22px;
}
a.button span{
/* This span holds the right part of the button backgound */
background:transparent url(img/button_gray_bg.png) no-repeat right top;
height:35px;
position:absolute;
right:-2px;
top:0;
width:10px;
display:block;
}
a.button:hover span{
background-position:bottom right;
}
.button-holder{
padding-left:107px;
}
ul.sort{
/* This UL gets converted to a sortable by jQuery */
font-family:"Myriad Pro",Arial,Helvetica,sans-serif;
font-size:20px;
}
ul.sort li{
margin:25px 50px 25px 0;
height:102px;
list-style:none;
}
.chart{
/* Styling the chart container */
background:#002A3C;
border:1px solid #005A7F;
height:300px;
width:550px;
}
.bar{
/* Each bar in the chart is a div. Colors and width are assigned later */
height:17px;
margin:15px;
overflow:hidden;
padding:15px 10px 10px;
text-shadow:none;
white-space:nowrap;
}
.bar a, .bar a:visited{
color:white;
font-size:12px;
}
.tot-votes{
float:right;
font-size:10px;
font-weight:bold;
position:relative;
right:50px;
text-transform:uppercase;
top:18px;
}
/* General styles for the demo page */
h1{
/* The title of the page */
color:white;
font-family:"MyRiad Pro",Arial,Helvetica,sans-serif;
font-size:38px;
font-weight:normal;
}
h2{
/* The subtitle */
font-family:"MyRiad Pro","Arial Narrow",Arial,Helvetica,sans-serif;
font-size:16px;
font-weight:normal;
letter-spacing:1px;
padding-left:2px;
text-transform:uppercase;
white-space:nowrap;
margin:10px 0 25px;
}
#orig{
/* The link that is positioned above the title */
font-family:"MyRiad Pro",Arial;
font-size:10px;
letter-spacing:1px;
padding-bottom:15px;
text-transform:uppercase;
}
hr{
/* The horizontal ruler */
background-color:#BBBBBB;
border:medium none;
color:#BBBBBB;
height:1px;
margin:30px auto;
width:450px;
}
.clear{
/* The clearfix hack */
clear:both;
}
#main{
/* The main container */
width:600px;
margin:30px auto;
}
a img{
border:none;
}
a, a:visited {
color:#00BBFF;
text-decoration:none;
outline:none;
}
a:hover{
text-decoration:underline;
}
.tutorial-info{
text-align:center;
padding:10px;
}
连接.php
<?php
if(!defined('INCLUDE_CHECK')) die('You are not allowed to execute this file directly');
/* Database config */ (Edit: I don't want to see them)
$db_host = '*********';
$db_user = '***********';
$db_pass = '******';
$db_database = '***************';
/* End config */
$link = mysql_connect($db_host,$db_user,$db_pass) or die('Unable to establish a DB connection');
mysql_select_db($db_database,$link);
mysql_query("SET names UTF8");
?>
结果.php
<?php
if(!defined('INCLUDE_CHECK')) die('You are not allowed to execute this file directly');
// If the poll has been submitted:
if($_POST['sortdata'])
{
// The data arrives as a comma-separated string,
// so we extract each post ids:
$data=explode(',',str_replace('li','',$_POST['sortdata']));
// Getting the number of objects
list($tot_objects) = mysql_fetch_array(mysql_query("SELECT COUNT(*) FROM sort_objects"));
if(count($data)!=$tot_objects) die("Wrong data!");
foreach($data as $k=>$v)
{
// Building the sql query:
$str[]='('.(int)$v.','.($tot_objects-$k).')';
}
$str = 'VALUES'.join(',',$str);
// This will limit voting to once a day per IP:
mysql_query(" INSERT INTO `sort_votes` (ip,date_submit,dt_submit)
VALUES ('".$_SERVER['REMOTE_ADDR']."',NOW(),NOW())");
// If the user has not voted before today:
if(mysql_affected_rows($link)==1)
{
mysql_query(' INSERT INTO `sort_objects` (id,votes) '.$str.'
ON DUPLICATE KEY UPDATE votes = votes+VALUES(votes)');
}
}
// Selecting the sample tutorials and ordering
// them by the votes each of them received:
$res = mysql_query("SELECT * FROM sort_objects ORDER BY votes DESC");
$maxVote=0;
$bars=array();
while($row=mysql_fetch_assoc($res))
{
$bars[]=$row;
// Storing the max vote, so we can scale the bars of the chart:
if($row['votes']>$maxVote) $maxVote = $row['votes'];
}
$barstr='';
// The colors of the bars:
$colors=array('#ff9900','#66cc00','#3399cc','#dd0000','#800080');
foreach($bars as $k=>$v)
{
// Buildling the bar string:
$barstr.='
<div class="bar" style="width:'.max((int)(($v['votes']/$maxVote)*450),100).'px;background:'.$colors[$k].'">
<a href="'.$v['url'].'" title="'.$v['title'].'">'.$v['short'].'</a>
</div>';
}
// The total number of votes cast in the poll:
list($totVotes) = mysql_fetch_array(mysql_query("SELECT COUNT(*) FROM sort_votes"));
?>
<div class="chart">
<?php echo $barstr?>
</div>
<a href="demo.php" class="button">Go Back<span></span></a>
<div class="tot-votes"><?php echo $totVotes?> votes</div>
脚本.js
$(document).ready(function(){
// Executed once all the page elements are loaded
// Convert the UL with all the tutorials into a sortable list:
$("ul.sort").sortable({
handle : '.tut-img',
axis:'y',
containment: 'document',
opacity: 0.6
});
// The hover method takes a mouseover and a mouseout function:
$(".tut").hover(
function(){
$(this).find('.drag-label').stop().animate({marginTop:'-25px'},'fast');
},
function(){
$(this).find('.drag-label').stop().animate({marginTop:'0'},'fast');
}
);
// Binding an action to the submitPoll button:
$('#submitPoll').click(function(e){
// We then turn the sortable into a comma-separated string
// and assign it to the sortdata hidden form field:
$('#sortdata').val($('ul.sort').sortable('toArray').join(','));
// After this we submit the form:
$('#sform').submit();
// Preventing the default action triggered by clicking on the link
e.preventDefault();
});
});
所以有什么问题 ？！？