将PHP中的引导分页限制为5页
我试图在PHP中创建分页，其中显示5个页面 在第一页上，我们有： [1] [2][3][4][5]…[325][>>] 点击[325]将进入该页最后一条记录，点击右箭头将进入第[2]页 在第二页中，我们有： [] 当我们在最后一页看到： [ 包括mysqli_connect.php将PHP中的引导分页限制为5页,php,twitter-bootstrap,pagination,Php,Twitter Bootstrap,Pagination,我试图在PHP中创建分页，其中显示5个页面 在第一页上，我们有： [1] [2][3][4][5]…[325][>>] 点击[325]将进入该页最后一条记录，点击右箭头将进入第[2]页 在第二页中，我们有： [] 当我们在最后一页看到： [ 包括mysqli_connect.php $companyID = $_SESSION['compid']; $db = new Database(); $dbc = $db->getConnection(); $display =
$companyID = $_SESSION['compid'];
$db = new Database();
$dbc = $db->getConnection();
$display = 3; //number of records per page
$pages;
$dbb = new Database();
$dbcb = $dbb->getConnection();
$stat = "select * from reservationStatus where resStatId = '$companyID' ";
$r = mysqli_query($dbcb, $stat);
//variable for sorting - default is for registration date
$sort = (isset($_GET['sort'])) ? $_GET['sort'] : 'rd';
switch ($sort)
{
case 'ln':
$orderby = 'uniquenumber ASC';
break;
case 'fn':
$orderby = 'status ASC';
break;
case 'rd':
$orderby = 'resId ASC';
break;
case 'em' :
$orderby = 'resDate ASC';
break;
default:
$orderby = 'resId ASC';
break;
}
if(isset($_GET['p']) ) //already calculated
{
$pages=$_GET['p'];
}
else
{
//get the total number of records from the table
$q = "select count(resId) from reservation where companyID = '$companyID'";
$r = mysqli_query($dbc, $q);
$row = mysqli_fetch_array($r, MYSQLI_NUM);
$records=$row[0];
if($records > $display ) //$display is the number of records per page
//ceil rounds fractions up to integer value
$pages=ceil($records/$display);
else
$pages = 1;
}
//now determine where in the database to start
if(isset($_GET['s']) ) //already calculated
$start=$_GET['s'];
else
$start = 0;
//$q = "select * from users LIMIT $start, $display";
$q = "select * from reservation where companyID = '$companyID' order by $orderby LIMIT $start, $display";
$r = mysqli_query($dbc, $q);
if($r)
{
echo '<br />';
//display a table of results
echo '<div class="container">';
echo '<h1> Your Orders </h1>';
echo '<table align="center" class="table table-bordered table-striped" width="60%">';
echo '<tr bgcolor="#87CEEB">
<td><b>View</b></td>
<td><b>Change Status</b></td>
<td><b><a href="viewOrdersForCompanies.php?sort=fn"> Reference Number</a></b></td>
<td><b><a href="viewOrdersForCompanies.php?sort=ln">Status</a></b></td>
<td><b><a href="viewOrdersForCompanies.php?sort=em">Date</a></b></td>
<td><b><a href="viewOrdersForCompanies.php?sort=rd">Total Price</a></b></td></tr>';
//above is the header
//loop below adds the user details
//use the following to set alternate backgrounds
$bg = '#eeeeee';
while($row = mysqli_fetch_array($r))
{
$stat = "select * from reservationStatus where resStatusId = $row[7] ";
$rr = mysqli_query($dbcb, $stat);
$roww = mysqli_fetch_array($rr);
$bg = ($bg=='#eeeeee' ? '#ffffff' : '#eeeeee');
echo '<tr bgcolor="' . $bg. '">
<td><a href="viewTaskForCompany.php?did=' .$row[0]. '">View</a></td>
<td><a href="changeOrderStatus.php?id=' . $row[0].'">Change Status </a></td>
<td>'.$row[2].'</td>
<td>'.$roww[1].'</td>
<td>'.$row[1]. ' ' . $row[8].'</td>
<td>'.$row[3].'</td>
</tr>';
}
echo '</table></div>';
}
else
{
echo '<p class="error">' . $q . '</p>';
echo '<p class="error"> Oh dear. There was an error</p>';
echo '<p class="error">' . mysqli_error($dbc) .'</p>';
}
mysqli_free_result($r);
//makes links to other pages if required
if($pages > 1)
{
echo '<br /><p> ' ;
//find out what page we are on
$currentpage = ($start/$display)+1;
//need a previous button if not first page
if($currentpage != 1)
{
echo ' <a href="viewOrdersForCompanies.php?$s=' . ($start - $display) .
'&p=' .$pages . '&sort='.$sort.'"> Previous </a>';
}
//create the numbered pages
for($i = 1; $i <= $pages; $i++)
{
if($i != $currentpage)
{
//the 's' paramater is used in the link to determine which the value
// in the LIMIT clause used in the select statement near the top of the page
echo '<a href="viewOrdersForCompanies.php?s=' . (($display * ($i-1))) . '&p='
. $pages . '&sort='.$sort.'"> ' . $i . ' </a>';
}
//  is a character to insert a whitespace
}
//if not last page create next button
if($currentpage != $pages)
{
echo '<a href="viewOrdersForCompanies.php?s=' . ($start+$display) . '&p=' . $pages
. '&sort='.$sort.'"> Next </a>';
}
echo '</p>';
}
?>
请解释你的代码的作用，它将改进你的答案。这是我经常用于分页的代码示例，有一些简单的事情你需要更改，例如1 sql语句2页面名称3开关循环更改值。它应该直接工作。这非常简单，如果你仍然无法做到，请给我你的电子邮件我可以帮你更多
<ul class="pagination pull-left pagination-md">
<?php
// Creates back button in pagination
if(isset($page)) {
if($page > 1) {
$page_minus = $page-1;
echo "<li><a href='blog.php?page=$page_minus'> « </a></li>";
}
}
?>
<?php
global $con;
$q_pagination = mysqli_prepare($con, "SELECT COUNT(*) FROM admin_panel WHERE ");
$q_pagination->execute();
$result_pagination = $q_pagination->get_result();
$rows_result = $result_pagination->fetch_array();
$total_rows = array_shift($rows_result);
$post_per_page = $total_rows/15;
$post_per_page = ceil($post_per_page);
for($i = 1; $i <= $post_per_page; $i++) {
if(isset($page)){
if($i == $page) {
echo "<li class='active'><a href='blog.php?page=$i'>$i</a></li>";
}
else {
echo "<li><a href='blog.php?page=$i'>$i</a></li>";
}
}
}
// Creates the forward button in pagination
if(isset($page)){
if($page+1 <= $post_per_page) {
$page_plus = $page+1;
echo "<li><a href='blog.php?page=$page_plus'> » </a></li>";
}
}
?>
</ul>
<?php
session_start();
$companyID = $_SESSION['compid'];
$db = new Database();
$dbc = $db->getConnection();
$display = 3; //number of records per page
$pages;
$dbb = new Database();
$dbcb = $dbb->getConnection();
$stat = "select * from reservationStatus where resStatId = '$companyID' ";
$r = mysqli_query($dbcb, $stat);
//variable for sorting - default is for registration date
$sort = (isset($_GET['sort'])) ? $_GET['sort'] : 'rd';
switch ($sort)
{
case 'ln':
$orderby = 'uniquenumber ASC';
break;
case 'fn':
$orderby = 'status ASC';
break;
case 'rd':
$orderby = 'resId ASC';
break;
case 'em' :
$orderby = 'resDate ASC';
break;
default:
$orderby = 'resId ASC';
break;
}
if(isset($_GET['p']) ) //already calculated
{
$pages=$_GET['p'];
}
else
{
//get the total number of records from the table
$q = "select count(resId) from reservation where companyID = '$companyID'";
$r = mysqli_query($dbc, $q);
$row = mysqli_fetch_array($r, MYSQLI_NUM);
$records=$row[0];
if($records > $display ) //$display is the number of records per page
//ceil rounds fractions up to integer value
$pages=ceil($records/$display);
else
$pages = 1;
}
//now determine where in the database to start
if(isset($_GET['s']) ) //already calculated
$start=$_GET['s'];
else
$start = 0;
//$q = "select * from users LIMIT $start, $display";
$q = "select * from reservation where companyID = '$companyID' order by $orderby LIMIT $start, $display";
$r = mysqli_query($dbc, $q);
if($r)
{
echo '<br />';
//display a table of results
echo '<div class="container">';
echo '<h1> Your Orders </h1>';
echo '<table align="center" class="table table-bordered table-striped" width="60%">';
echo '<tr bgcolor="#87CEEB">
<td><b>View</b></td>
<td><b>Change Status</b></td>
<td><b><a href="viewOrdersForCompanies.php?sort=fn"> Reference Number</a></b></td>
<td><b><a href="viewOrdersForCompanies.php?sort=ln">Status</a></b></td>
<td><b><a href="viewOrdersForCompanies.php?sort=em">Date</a></b></td>
<td><b><a href="viewOrdersForCompanies.php?sort=rd">Total Price</a></b></td></tr>';
//above is the header
//loop below adds the user details
//use the following to set alternate backgrounds
$bg = '#eeeeee';
while($row = mysqli_fetch_array($r))
{
$stat = "select * from reservationStatus where resStatusId = $row[7] ";
$rr = mysqli_query($dbcb, $stat);
$roww = mysqli_fetch_array($rr);
$bg = ($bg=='#eeeeee' ? '#ffffff' : '#eeeeee');
echo '<tr bgcolor="' . $bg. '">
<td><a href="viewTaskForCompany.php?did=' .$row[0]. '">View</a></td>
<td><a href="changeOrderStatus.php?id=' . $row[0].'">Change Status </a></td>
<td>'.$row[2].'</td>
<td>'.$roww[1].'</td>
<td>'.$row[1]. ' ' . $row[8].'</td>
<td>'.$row[3].'</td>
</tr>';
}
echo '</table></div>';
}
else
{
echo '<p class="error">' . $q . '</p>';
echo '<p class="error"> Oh dear. There was an error</p>';
echo '<p class="error">' . mysqli_error($dbc) .'</p>';
}
mysqli_free_result($r);
//makes links to other pages if required
if($pages > 1)
{
echo '<br /><p> ' ;
//find out what page we are on
$currentpage = ($start/$display)+1;
//need a previous button if not first page
if($currentpage != 1)
{
echo ' <a href="viewOrdersForCompanies.php?$s=' . ($start - $display) .
'&p=' .$pages . '&sort='.$sort.'"> Previous </a>';
}
//create the numbered pages
for($i = 1; $i <= $pages; $i++)
{
if($i != $currentpage)
{
//the 's' paramater is used in the link to determine which the value
// in the LIMIT clause used in the select statement near the top of the page
echo '<a href="viewOrdersForCompanies.php?s=' . (($display * ($i-1))) . '&p='
. $pages . '&sort='.$sort.'"> ' . $i . ' </a>';
}
//  is a character to insert a whitespace
}
//if not last page create next button
if($currentpage != $pages)
{
echo '<a href="viewOrdersForCompanies.php?s=' . ($start+$display) . '&p=' . $pages
. '&sort='.$sort.'"> Next </a>';
}
echo '</p>';
}
?>