我正在尝试做两件事，一件是按上次创建的排序日期，下一件是将数据显示的数量限制为五（5）所以票一，票二，票三，四，五/ p>
我正在制作一个下拉窗口，显示已创建的最后5张票，我从下面获取信息
感谢您的帮助
<?php
if(!defined('OSTCLIENTINC') || !is_object($thisclient) || !$thisclient->isValid()) die('Access Denied');
$qstr='&'; //Query string collector
$status=null;
if(isset($_REQUEST['status'])) { //Query string status has nothing to do with the real status used below.
$qstr.='status='.urlencode($_REQUEST['status']);
//Status we are actually going to use on the query...making sure it is clean!
switch(strtolower($_REQUEST['status'])) {
case 'open':
case 'closed':
$status=strtolower($_REQUEST['status']);
break;
default:
$status=''; //ignore
}
} elseif($thisclient->getNumOpenTickets()) {
$status='open'; //Defaulting to open
}
$sortOptions=array('id'=>'`number`', 'subject'=>'subject.value',
'status'=>'ticket.status', 'dept'=>'dept_name','date'=>'ticket.created');
$orderWays=array('DESC'=>'DESC','ASC'=>'ASC');
//Sorting options...
$order_by=$order=null;
$sort=($_REQUEST['sort'] && $sortOptions[strtolower($_REQUEST['sort'])])?strtolower($_REQUEST['sort']):'date';
if($sort && $sortOptions[$sort])
$order_by =$sortOptions[$sort];
$order_by=$order_by?$order_by:'ticket_created';
if($_REQUEST['order'] && $orderWays[strtoupper($_REQUEST['order'])])
$order=$orderWays[strtoupper($_REQUEST['order'])];
$order=$order?$order:'ASC';
if($order_by && strpos($order_by,','))
$order_by=str_replace(','," $order,",$order_by);
$x=$sort.'_sort';
$$x=' class="'.strtolower($order).'" ';
$qselect='SELECT ticket.ticket_id,ticket.`number`,ticket.dept_id,isanswered, '
.'dept.ispublic, subject.value as subject,'
.'dept_name,ticket. status, ticket.source, ticket.created ';
$dynfields='(SELECT entry.object_id, value FROM '.FORM_ANSWER_TABLE.' ans '.
'LEFT JOIN '.FORM_ENTRY_TABLE.' entry ON entry.id=ans.entry_id '.
'LEFT JOIN '.FORM_FIELD_TABLE.' field ON field.id=ans.field_id '.
'WHERE field.name = "%1$s" AND entry.object_type="T")';
$subject_sql = sprintf($dynfields, 'subject');
$qfrom='FROM '.TICKET_TABLE.' ticket '
.' LEFT JOIN '.DEPT_TABLE.' dept ON (ticket.dept_id=dept.dept_id) '
.' LEFT JOIN '.TICKET_COLLABORATOR_TABLE.' collab
ON (collab.ticket_id = ticket.ticket_id
AND collab.user_id ='.$thisclient->getId().' )'
.' LEFT JOIN '.$subject_sql.' subject ON ticket.ticket_id = subject.object_id ';
$qwhere = sprintf(' WHERE ( ticket.user_id=%d OR collab.user_id=%d )',
$thisclient->getId(), $thisclient->getId());
if($status){
$qwhere.=' AND ticket.status='.db_input($status);
}
$search=($_REQUEST['a']=='search' && $_REQUEST['q']);
if($search) {
$qstr.='&a='.urlencode($_REQUEST['a']).'&q='.urlencode($_REQUEST['q']);
if(is_numeric($_REQUEST['q'])) {
$qwhere.=" AND ticket.`number` LIKE '$queryterm%'";
} else {//Deep search!
$queryterm=db_real_escape($_REQUEST['q'],false); //escape the term ONLY...no quotes.
$qwhere.=' AND ( '
." subject.value LIKE '%$queryterm%'"
." OR thread.body LIKE '%$queryterm%'"
.' ) ';
$deep_search=true;
//Joins needed for search
$qfrom.=' LEFT JOIN '.TICKET_THREAD_TABLE.' thread ON ('
.'ticket.ticket_id=thread.ticket_id AND thread.thread_type IN ("M","R"))';
}
}
$total=db_count('SELECT count(DISTINCT ticket.ticket_id) '.$qfrom.' '.$qwhere);
$page=($_GET['p'] && is_numeric($_GET['p']))?$_GET['p']:1;
$pageNav=new Pagenate($total, $page, PAGE_LIMIT);
$pageNav->setURL('tickets.php',$qstr.'&sort='.urlencode($_REQUEST['sort']).'&order='.urlencode($_REQUEST['order']));
//more stuff...
$qselect.=' ,count(attach_id) as attachments ';
$qfrom.=' LEFT JOIN '.TICKET_ATTACHMENT_TABLE.' attach ON ticket.ticket_id=attach.ticket_id ';
$qgroup=' GROUP BY ticket.ticket_id';
$query="$qselect $qfrom $qwhere $qgroup ORDER BY $order_by $order LIMIT ".$pageNav->getStart().",".$pageNav->getLimit();
//echo $query;
$res = db_query($query);
$showing=($res && db_num_rows($res))?$pageNav->showing():"";
$showing.=($status)?(' '.ucfirst($status).' Tickets'):' All Tickets';
if($search)
$showing="Search Results: $showing";
$negorder=$order=='DESC'?'ASC':'DESC'; //Negate the sorting
?>
<h1>Tickets</h1>
<br>
<form action="tickets.php" method="get" id="ticketSearchForm">
<input type="hidden" name="a" value="search">
<input type="text" name="q" size="20" value="<?php echo Format::htmlchars($_REQUEST['q']); ?>">
<select name="status">
<option value="">— Any Status —</option>
<option value="open"
<?php echo ($status=='open')?'selected="selected"':'';?>>Open (<?php echo $thisclient->getNumOpenTickets(); ?>)</option>
<?php
if($thisclient->getNumClosedTickets()) {
?>
<option value="closed"
<?php echo ($status=='closed')?'selected="selected"':'';?>>Closed (<?php echo $thisclient->getNumClosedTickets(); ?>)</option>
<?php
} ?>
</select>
<input type="submit" value="Go">
</form>
<a class="refresh" href="<?php echo Format::htmlchars($_SERVER['REQUEST_URI']); ?>">Refresh</a>
<table id="ticketTable" width="800" border="0" cellspacing="0" cellpadding="0">
<caption><?php echo $showing; ?></caption>
<thead>
<tr>
<th width="70" nowrap>
<a href="tickets.php?sort=ID&order=<?php echo $negorder; ?><?php echo $qstr; ?>" title="Sort By Ticket ID">Ticket #</a>
</th>
<th width="100">
<a href="tickets.php?sort=date&order=<?php echo $negorder; ?><?php echo $qstr; ?>" title="Sort By Date">Create Date</a>
</th>
<th width="80">
<a href="tickets.php?sort=status&order=<?php echo $negorder; ?><?php echo $qstr; ?>" title="Sort By Status">Status</a>
</th>
<th width="300">
<a href="tickets.php?sort=subj&order=<?php echo $negorder; ?><?php echo $qstr; ?>" title="Sort By Subject">Subject</a>
</th>
<th width="150">
<a href="tickets.php?sort=dept&order=<?php echo $negorder; ?><?php echo $qstr; ?>" title="Sort By Department">Department</a>
</th>
<th width="100">Phone Number</th>
</tr>
</thead>
<tbody>
<?php
if($res && ($num=db_num_rows($res))) {
$defaultDept=Dept::getDefaultDeptName(); //Default public dept.
while ($row = db_fetch_array($res)) {
$dept=$row['ispublic']?$row['dept_name']:$defaultDept;
$subject=Format::htmlchars(Format::truncate($row['subject'],40));
if($row['attachments'])
$subject.=' <span class="Icon file"></span>';
$ticketNumber=$row['number'];
if($row['isanswered'] && !strcasecmp($row['status'],'open')) {
$subject="<b>$subject</b>";
$ticketNumber="<b>$ticketNumber</b>";
}
$phone=Format::phone($row['phone']);
if($row['phone_ext'])
$phone.=' '.$row['phone_ext'];
?>
<tr id="<?php echo $row['ticket_id']; ?>">
<td class="centered">
<a class="Icon <?php echo strtolower($row['source']); ?>Ticket" title="<?php echo $row['email']; ?>"
href="tickets.php?id=<?php echo $row['ticket_id']; ?>"><?php echo $ticketNumber; ?></a>
</td>
<td> <?php echo Format::db_date($row['created']); ?></td>
<td> <?php echo ucfirst($row['status']); ?></td>
<td>
<a href="tickets.php?id=<?php echo $row['ticket_id']; ?>"><?php echo $subject; ?></a>
</td>
<td> <?php echo Format::truncate($dept,30); ?></td>
<td><?php echo $phone; ?></td>
</tr>
<?php
}
} else {
echo '<tr><td colspan="7">Your query did not match any records</td></tr>';
}
?>
</tbody>
</table>
<?php
if($res && $num>0) {
echo '<div> Page:'.$pageNav->getPageLinks().' </div>';
}
?>
答案 0 :(得分：0)
$limit='';
$i=0;
$q=mysql_query(...)
while($i<=mysql_num_rows($q))
{
$b=$i+5;
$limit='limit '.$i.', '.$b;
mysql_query(...$limit)
}