搜索限制使用分页PHP
我希望搜索功能使用分页，比如谷歌 但我很困惑：( 我的数据库已经有140635条记录，我想要 限制每页50条记录 我的数据供应商是“Hariff”、“Tingali”、“FMC”等 如果我以文件localhost/grid.php的形式编写“Hariff” 此页面重定向到localhost/search_grid.php 这是工作搜索，此表仅显示“Hariff:） 但我在第2页，第3页，下一页，最后一页 此表显示随机供应商（“Hariff”、“Tingali”、“FMC”等） 不仅是供应商“Hariff”：( 我很困惑，请帮帮我。。 谢谢 grid.php搜索限制使用分页PHP,php,mysql,search,Php,Mysql,Search,我希望搜索功能使用分页，比如谷歌 但我很困惑：( 我的数据库已经有140635条记录，我想要 限制每页50条记录 我的数据供应商是“Hariff”、“Tingali”、“FMC”等 如果我以文件localhost/grid.php的形式编写“Hariff” 此页面重定向到localhost/search_grid.php 这是工作搜索，此表仅显示“Hariff:） 但我在第2页，第3页，下一页，最后一页 此表显示随机供应商（“Hariff”、“Tingali”、“FMC”等） 不仅是供应商“Ha
<form method="GET" action="search_grid.php" id="search">
<input name="q" type="text" size="40" placeholder="Search for Vendor" />
</form>
<?php
$q = $_GET['q'];
include "conection.php";
include "func_search_grid.php";
$page = (int) (!isset($_GET["page"]) ? 1 : $_GET["page"]);
$limit = 50;
$startpoint = ($page * $limit) - $limit;
//to make pagination
$statement = "`task`";
?>
<table class="bordered">
<thead>
<tr>
<th><center>Vendor</center></th>
</tr>
</thead>
<?php
$query = mysql_query("SELECT * FROM {$statement} where vendor like '%{$q}%' LIMIT {$startpoint} , {$limit}");
while ($row = mysql_fetch_assoc($query)) {
?>
<tr>
<td>
<?php
if ($row['vendor']!=NULL)
{
echo "{$row['vendor']}";
}
else
{
echo "<center><font color='red'>Vendor NULL</font></center>";
}
?>
</td>
</tr>
<?php } ?>
</table>
<br/>
<?php
echo pagination($statement,$limit,$page);
?>
<?php
function pagination($query, $per_page = 10,$page = 1, $url = '?'){
$q = $_GET['q'];
$query = "SELECT COUNT(*) as `num` FROM {$query} where vendor like '%$q%' ";
$row = mysql_fetch_array(mysql_query($query));
$total = $row['num'];
$adjacents = "2";
$page = ($page == 0 ? 1 : $page);
$start = ($page - 1) * $per_page;
$prev = $page - 1;
$next = $page + 1;
$lastpage = ceil($total/$per_page);
$lpm1 = $lastpage - 1;
$pagination = "";
if($lastpage > 1)
{
$pagination .= "<ul class='pagination'>";
$pagination .= "<li class='details'>Page $page of $lastpage</li>";
if ($lastpage < 7 + ($adjacents * 2))
{
for ($counter = 1; $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}page=$counter?q=$q'>$counter</a></li>";
}
}
elseif($lastpage > 5 + ($adjacents * 2))
{
if($page < 1 + ($adjacents * 2))
{
for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}page=$counter?q=$q'>$counter</a></li>";
}
$pagination.= "<li class='dot'>...</li>";
$pagination.= "<li><a href='{$url}page=$lpm1?q=$q'>$lpm1</a></li>";
$pagination.= "<li><a href='{$url}page=$lastpage?q=$q'>$lastpage</a></li>";
}
elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
{
$pagination.= "<li><a href='{$url}page=1?q=$q'>1</a></li>";
$pagination.= "<li><a href='{$url}page=2?q=$q'>2</a></li>";
$pagination.= "<li class='dot'>...</li>";
for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}page=$counter?q=$q'>$counter</a></li>";
}
$pagination.= "<li class='dot'>..</li>";
$pagination.= "<li><a href='{$url}page=$lpm1?q=$q'>$lpm1</a></li>";
$pagination.= "<li><a href='{$url}page=$lastpage?q=$q'>$lastpage</a></li>";
}
else
{
$pagination.= "<li><a href='{$url}page=1?q=$q'>1</a></li>";
$pagination.= "<li><a href='{$url}page=2?q=$q'>2</a></li>";
$pagination.= "<li class='dot'>..</li>";
for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}page=$counter?q=$q'>$counter</a></li>";
}
}
}
if ($page < $counter - 1){
$pagination.= "<li><a href='{$url}page=$next?q=$q'>Next</a></li>";
$pagination.= "<li><a href='{$url}page=$lastpage?q=$q'>Last</a></li>";
}else{
$pagination.= "<li><a class='current'>Next</a></li>";
$pagination.= "<li><a class='current'>Last</a></li>";
}
$pagination.= "</ul>\n";
}
return $pagination;
} ?>
<form method="GET" action="search_grid.php" id="search">
<input name="q" type="text" size="40" placeholder="Search for Vendor" />
</form>
<?php
$q = $_GET['q'];
include "conection.php";
include "func_search_grid.php";
$page = (int) (!isset($_GET["page"]) ? 1 : $_GET["page"]);
$limit = 50;
$startpoint = ($page * $limit) - $limit;
//to make pagination
$statement = "`task`";
?>
<table class="bordered">
<thead>
<tr>
<th><center>Vendor</center></th>
</tr>
</thead>
<?php
$query = mysql_query("SELECT * FROM {$statement} where vendor like '%{$q}%' LIMIT {$startpoint} , {$limit}");
while ($row = mysql_fetch_assoc($query)) {
?>
<tr>
<td>
<?php
if ($row['vendor']!=NULL)
{
echo "{$row['vendor']}";
}
else
{
echo "<center><font color='red'>Vendor NULL</font></center>";
}
?>
</td>
</tr>
<?php } ?>
</table>
<br/>
<?php
echo pagination($statement,$limit,$page);
?>
<?php
function pagination($query, $per_page = 10,$page = 1, $url = '?'){
$q = $_GET['q'];
$query = "SELECT COUNT(*) as `num` FROM {$query} where vendor like '%$q%' ";
$row = mysql_fetch_array(mysql_query($query));
$total = $row['num'];
$adjacents = "2";
$page = ($page == 0 ? 1 : $page);
$start = ($page - 1) * $per_page;
$prev = $page - 1;
$next = $page + 1;
$lastpage = ceil($total/$per_page);
$lpm1 = $lastpage - 1;
$pagination = "";
if($lastpage > 1)
{
$pagination .= "<ul class='pagination'>";
$pagination .= "<li class='details'>Page $page of $lastpage</li>";
if ($lastpage < 7 + ($adjacents * 2))
{
for ($counter = 1; $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}page=$counter?q=$q'>$counter</a></li>";
}
}
elseif($lastpage > 5 + ($adjacents * 2))
{
if($page < 1 + ($adjacents * 2))
{
for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}page=$counter?q=$q'>$counter</a></li>";
}
$pagination.= "<li class='dot'>...</li>";
$pagination.= "<li><a href='{$url}page=$lpm1?q=$q'>$lpm1</a></li>";
$pagination.= "<li><a href='{$url}page=$lastpage?q=$q'>$lastpage</a></li>";
}
elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
{
$pagination.= "<li><a href='{$url}page=1?q=$q'>1</a></li>";
$pagination.= "<li><a href='{$url}page=2?q=$q'>2</a></li>";
$pagination.= "<li class='dot'>...</li>";
for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}page=$counter?q=$q'>$counter</a></li>";
}
$pagination.= "<li class='dot'>..</li>";
$pagination.= "<li><a href='{$url}page=$lpm1?q=$q'>$lpm1</a></li>";
$pagination.= "<li><a href='{$url}page=$lastpage?q=$q'>$lastpage</a></li>";
}
else
{
$pagination.= "<li><a href='{$url}page=1?q=$q'>1</a></li>";
$pagination.= "<li><a href='{$url}page=2?q=$q'>2</a></li>";
$pagination.= "<li class='dot'>..</li>";
for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<li><a class='current'>$counter</a></li>";
else
$pagination.= "<li><a href='{$url}page=$counter?q=$q'>$counter</a></li>";
}
}
}
if ($page < $counter - 1){
$pagination.= "<li><a href='{$url}page=$next?q=$q'>Next</a></li>";
$pagination.= "<li><a href='{$url}page=$lastpage?q=$q'>Last</a></li>";
}else{
$pagination.= "<li><a class='current'>Next</a></li>";
$pagination.= "<li><a class='current'>Last</a></li>";
}
$pagination.= "</ul>\n";
}
return $pagination;
} ?>
小贩
字符串中的Get参数应该由&
-page=$lastpage&q=$q
Thank's u\u mulder它的工作原理…作为一个adwise，从不推荐的mysql\u
函数运行到至少mysqli\u
，阅读有关安全问题的内容，以及OOP-因为下一步要对这段代码进行的操作是完全重写。