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먼저 MySQl을 처음 사용하여 코드가 적합하지 않습니다.페이지 매기기가 페이지를 통해 이동하지 않습니다
검색 결과에 페이지 매김을 추가하려고하는데 왜 다음 페이지로 이동할 수 없는지 알 수 없습니다. 검색 결과가 표시되고 상단의 3 페이지 중 1 페이지에 다음 링크와 마지막 링크가 표시되지만 다음 링크를 클릭하면 페이지 2로 이동하지 않습니다. 페이지 번호는 URL에서 2에서 3으로 변경되지만 페이지는 변경됩니다 변경되지 않습니다.
<?php
// Connects to your Database
mysql_connect("localhost", "root", "xxxx") or die(mysql_error());
mysql_select_db("xxx") or die(mysql_error());
//This checks to see if there is a page number. If not, it will set it to page 1
if (!(isset($pagenum)))
{
$pagenum = 1;
}
//Here we count the number of results
$data = mysql_query("SELECT * FROM players") or die(mysql_error());
$rows = mysql_num_rows($data);
//This is the number of results displayed per page
$page_rows = 10;
//This tells us the page number of our last page
$last = ceil($rows/$page_rows);
//this makes sure the page number isn't below one, or more than our maximum pages
if ($pagenum < 1)
{
$pagenum = 1;
}
elseif ($pagenum > $last)
{
$pagenum = $last;
}
//This sets the range to display in our query
$max = 'limit ' .($pagenum - 1) * $page_rows .',' .$page_rows;
//This is your query again, the same one... the only difference is we add $max into it
$data_p = mysql_query("SELECT * FROM players $max") or die(mysql_error());
// Define $color=1
$color="1";
echo '<table width="100%" border="1" align="center" cellpadding="0" cellspacing="0">';
echo '<th>ID</th><th>Division</th><th>Club</th><th>Roster Number</th><th>Last Name</th><th>First Name</th><th>Registered</th><th>Payment</th></th><th>View Player</th><th>Edit Player</th><th>Check Out</th><th>Check In</th><th>Make Badge</th><th>Delete</th>';
//This is where you display your query results
while($row = mysql_fetch_array($data_p))
// If $color==1 table row color = #FFC600
if($color==1){
echo "<tr bgcolor='#C6E7F7'>
<td><center>".$row['id']."</center></td><td><center>".$row['division']."</center></td><td><center>".$row['club']."</center></td><td><center>".$row['roster_number']."</center></td><td><center>".$row['lname']."</center></td><td><center>".$row['fname']."</center></td><td><center>".$row['registered']."</center></td><td><center>".$row['pay_status']."</center></td><td><center><a href=player_verification.php?id=$row[id]><img src=images/icons/view.png height='30' width='30' border='0'/></center></td><td><center><a href=edit_player.php?id=$row[id]><img src=images/icons/edit.png height='25' width='25' border='0'/></center></td><td><center><a href=equipment_checkout.php?id=$row[id]><img src=images/icons/out-icon.png height='30' width='30' border='0'/></center></td><td><center><a href=equipment_checkin.php?id=$row[id]><img src=images/icons/checkin.png height='30' width='30' border='0'/></center></td><td><center><a href=make_badge.php?id=$row[id]><img src=images/icons/badge.png height='30' width='30' border='0'/></center></td><td><center><a href=delete.php?id=$row[id]><img src=images/icons/delete.gif height='20' width='20' border='0'/></center></td></tr>";
// Set $color==2, for switching to other color
$color="2";
}
// When $color not equal 1, use this table row color
else {
echo "<tr bgcolor='#FFFFFF'>
<td><center>".$row['id']."</center></td><td><center>".$row['division']."</center></td><td><center>".$row['club']."</center></td><td><center>".$row['roster_number']."</center></td><td><center>".$row['lname']."</center></td><td><center>".$row['fname']."</center></td><td><center>".$row['registered']."</center></td><td><center>".$row['pay_status']."</center></td><td><center><a href=player_verification.php?id=$row[id]><img src=images/icons/view.png height='30' width='30' border='0'/></center></td><td><center><a href=edit_player.php?id=$row[id]><img src=images/icons/edit.png height='25' width='25' border='0'/></center></td><td><center><a href=equipment_checkout.php?id=$row[id]><img src=images/icons/out-icon.png height='30' width='30' border='0'/></center></td><td><center><a href=equipment_checkin.php?id=$row[id]><img src=images/icons/checkin.png height='30' width='30' border='0'/></center></td><td><center><a href=make_badge.php?id=$row[id]><img src=images/icons/badge.png height='30' width='30' border='0'/></center></td><td><center><a href=delete.php?id=$row[id]><img src=images/icons/delete.gif height='20' width='20' border='0'/></center></td></tr>";
// Set $color back to 1
$color="1";
}
// This shows the user what page they are on, and the total number of pages
echo " --Page $pagenum of $last-- <p>";
// First we check if we are on page one. If we are then we don't need a link to the previous page or the first page so we do nothing. If we aren't then we generate links to the first page, and to the previous page.
if ($pagenum == 1)
{
}
else
{
echo " <a href='{$_SERVER['PHP_SELF']}?pagenum=1'> <<-First</a> ";
echo " ";
$previous = $pagenum-1;
echo " <a href='{$_SERVER['PHP_SELF']}?pagenum=$previous'> <-Previous</a> ";
}
//just a spacer
echo " ---- ";
//This does the same as above, only checking if we are on the last page, and then generating the Next and Last links
if ($pagenum == $last)
{
}
else {
$next = $pagenum+1;
echo " <a href='{$_SERVER['PHP_SELF']}?pagenum=$next'>Next -></a> ";
echo " ";
echo " <a href='{$_SERVER['PHP_SELF']}?pagenum=$last'>Last ->></a> ";
}
?>
코드를 관련 부분으로 분해 해보십시오. 보낸 SQL 쿼리 –