这又是我，我想再问一遍，如何在php mysql中对过滤结果进行分页？ 我的分页只显示存储在数据库中的所有文件，但是当我想搜索例如所有受访备注的记录时，它将显示所有受访备注的文件，然后在第二页中它仍显示过滤结果。
我的问题是当我点击分页时，第二页将再次检索存储在数据库中的所有文件。我希望第二页是过滤结果。
帮助我。
的search.php
<form id="form1" name="form1" method="get" action="">
<br/>
<div>
<font color ="white" face ="Arial" size ="5" style="padding: 5px; text-align: center;">Search for an Applicant Record</font><br/><br/>
<table border=1 cellSpacing=1 cellPadding=1 align ="left" >
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td><font color ="white" size ="2" face ="Tahoma"><a href="search.php" style="text-decoration:none;"><img src="/applicants/icons/reset.png" title="Reset Page"/><font color="white" size="2" face="Tahoma"><b>Reset</b></font></a></font></td>
</tr>
<tr>
<td> </td>
<td align="left"><p><label for="searchfor"><font color ="white" size ="2" face ="Tahoma"><b>Search for: </b></font></label></p></td>
<td> </td>
<td align="left"><input type="text" name="searchfor" class="tb5a" id="searchfor" size="25" /></td>
<td align="left">
<select name="select" class="tb5a">
<option selected="selected">Applicant's Name</option>
<option>Position Applying For</option>
<option>Work Experience</option>
<option>Remarks</option>
</select>
</td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td align="left"><p><label for="from"><font color ="white" size ="2" face ="Tahoma"><b>Date Applied from: </b></font></label></p></td>
<td> </td>
<td align="left"><input name="from" type="text" class="tb5a" id="from" size="10" /></td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td align="left"><p><label for="date_appliedto"><font color ="white" size ="2" face ="Tahoma"><b> to: </b></font></label></p></td>
<td> </td>
<td align="left"><input name="to" type="text" class="tb5a" id="to" size="10" /></td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td colspan="1" align="right"><p><input type="submit" name="search" class="update" id="button" value=" Search " onclick=verify();/></p></td>
</tr>
</table>
</div>
</form>
<br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>
<?php
error_reporting(0);
include_once 'include/conn.inc.php';
//Include the PS_Pagination class
include('include/pspagination.php');
//Connect to mysql db
$conn = mysql_connect('localhost','root','');
if(!$conn) die("Failed to connect to database!");
$status = mysql_select_db('timemanagement', $conn);
if(!$status) die("Failed to select database!");
if ($_REQUEST["searchfor"]<>'') {
$search_searchfor = " AND (lname LIKE '%".mysql_real_escape_string($_REQUEST["searchfor"])."%' OR fname LIKE '%".mysql_real_escape_string($_REQUEST["searchfor"])."%' OR mname LIKE '%".mysql_real_escape_string($_REQUEST["searchfor"])."%' OR image LIKE '%".mysql_real_escape_string($_REQUEST["searchfor"])."%' OR appfor LIKE '%".mysql_real_escape_string($_REQUEST["searchfor"])."%' OR workexp LIKE '%".mysql_real_escape_string($_REQUEST["searchfor"])."%' OR remarks LIKE '%".mysql_real_escape_string($_REQUEST["searchfor"])."%')";
}
if ($_REQUEST["from"]<>'' and $_REQUEST["to"]<>'') {
$sql = "SELECT * FROM applicants_access WHERE date_applied >= '".mysql_real_escape_string($_REQUEST["from"])."' AND date_applied <= '".mysql_real_escape_string($_REQUEST["to"])."'".$search_searchfor;
}
else if ($_REQUEST["from"]<>'') {
$sql = "SELECT * FROM applicants_access WHERE date_applied >= '".mysql_real_escape_string($_REQUEST["from"])."'".$search_searchfor;
}
else if ($_REQUEST["to"]<>'') {
$sql = "SELECT * FROM applicants_access WHERE date_applied <= '".mysql_real_escape_string($_REQUEST["to"])."'".$search_searchfor;
}
else {
$sql = "SELECT * FROM applicants_access WHERE applicant_id>0".$search_searchfor;
}
if (($_REQUEST["select"])==($_REQUEST["searchfor"])){
$sql = "Select * from applicants_access order by applicant_id desc";
}
$sql_result = mysql_query($sql);
echo '<center>';
/*
* Create a PS_Pagination object
*
* $conn = MySQL connection object
* $sql = SQl Query to paginate
* 10 = Number of rows per page
* 5 = Number of links
* "param1=valu1¶m2=value2" = You can append your own parameters to paginations links
*/
$pager = new PS_Pagination($conn, $sql, 20, 10, "param1=valu1¶m2=value2");
/*
* Enable debugging if you want o view query errors
*/
$pager->setDebug(true);
/*
* The paginate() function returns a mysql result set
* or false if no rows are returned by the query
*/
$rs = $pager->paginate();
if(!$rs) die(mysql_error());
if($sql_result){
?>
<br/>
<div align ="center">
<table id='table-2' cellspacing="0" cellpadding="1" border=1 >
<thead>
<th><center><font color ="#640303"><b>Last Name</b></font></center></th>
<th><center><font color ="#640303"><b>First Name</b></font></center></th>
<th><center><font color ="#640303"><b>Middle Name</b></font></center></th>
<th><center><font color ="#640303"><b>View Attachment</b></font></center></th>
<th><center><font color ="#640303"><b>Contact Number</b></font></center></th>
<th><center><font color ="#640303"><b>Position Applying For</b></font></center></th>
<th><center><font color ="#640303"><b>Work Experience</b></font></center></th>
<th><center><font color ="#640303"><b>Date Applied</b></font></center></th>
<th><center><font color ="#640303"><b>Remarks</b></font></center></th>
</thead>
<?php
if (mysql_num_rows($sql_result)>0) {
while ($row = mysql_fetch_array($rs)) {
?>
<tbody>
<tr>
<td><center><font color = 'black'><?php echo $row["lname"]; ?></font></center></td>
<td><center><font color = 'black'><?php echo $row["fname"]; ?></font></center></td>
<td><center><font color = 'black'><?php echo $row["mname"]; ?></font></center></td>
<td><center><font color = 'black'><a href = 'view.php' target='_blank'>view</a></font></center></td>
<td><center><font color = 'black'><?php echo $row["cnumber"]; ?></font></center></td>
<td><center><font color = 'black'><?php echo $row["appfor"]; ?></font></center></td>
<td><center><font color = 'black'><?php echo $row["workexp"]; ?></font></center></td>
<td><center><font color = 'black'><?php echo $row["date_applied"]; ?></font></center></td>
<td><center><font color = 'black'><?php echo $row["remarks"]; ?></font></center></td>
</tr>
</tbody>
<?php
}
}
else {
?>
<tr><td colspan="45">No results found.</td></tr>
<?php
}
?>
</table>
</div>
<?php
}
//Display the full navigation in one go
//echo $pager->renderFullNav();
//echo "<br />\n";
/*
* Or you can display the individual links for more
* control over HTML rendering.
*
*/
//echo '<div class="pagination1">';
echo '<div class="paginationTG">';
echo '<ul>';
//Display the link to first page: First
echo $pager->renderFirst();
//Display the link to previous page: <<
echo $pager->renderPrev();
echo'</span>';
/*
* Display page links: 1 2 3
* $prefix = Will be prepended to the page link (optional)
* $suffix = Will be appended to the page link (optional)
*
*/
echo $pager->renderNav('<li class="currentpage">', '</li>');
//Display the link to next page: >>
echo $pager->renderNext();
//Display the link to last page: Last
echo $pager->renderLast();
echo '</div>' . '</ul>';
echo '</center>';
?>
<script>
$(function() {
var dates = $( "#from, #to" ).datepicker({
defaultDate: "+1w",
changeMonth: true,
numberOfMonths: 2,
dateFormat: 'yy-mm-dd',
onSelect: function( selectedDate ) {
var option = this.id == "from" ? "minDate" : "maxDate",
instance = $( this ).data( "datepicker" ),
date = $.datepicker.parseDate(
instance.settings.dateFormat ||
$.datepicker._defaults.dateFormat,
selectedDate, instance.settings );
dates.not( this ).datepicker( "option", option, date );
}
});
});
</script>
这是我的分页脚本.. pagination.php
<?php
/**
* PHPSense Pagination Class
*
* PHP tutorials and scripts
*
* @package PHPSense
* @author Jatinder Singh Thind
* @copyright Copyright (c) 2006, Jatinder Singh Thind
* @link http://www.phpsense.com
*/
// ------------------------------------------------------------------------
class PS_Pagination {
var $php_self;
var $rows_per_page = 20; //Number of records to display per page
var $total_rows = 0; //Total number of rows returned by the query
var $links_per_page = 10; //Number of links to display per page
var $append = ""; //Paremeters to append to pagination links
var $sql = "";
var $debug = false;
var $conn = false;
var $page = 1;
var $max_pages = 0;
var $offset = 0;
/**
* Constructor
*
* @param resource $connection Mysql connection link
* @param string $sql SQL query to paginate. Example : SELECT * FROM users
* @param integer $rows_per_page Number of records to display per page. Defaults to 10
* @param integer $links_per_page Number of links to display per page. Defaults to 5
* @param string $append Parameters to be appended to pagination links
*/
function PS_Pagination($connection, $sql, $rows_per_page = 20, $links_per_page = 10, $append = "") {
$this->conn = $connection;
$this->sql = $sql;
$this->rows_per_page = (int)$rows_per_page;
if (intval($links_per_page ) > 0) {
$this->links_per_page = (int)$links_per_page;
} else {
$this->links_per_page = 10;
}
$this->append = $append;
$this->php_self = htmlspecialchars($_SERVER['PHP_SELF'] );
if (isset($_GET['page'] )) {
$this->page = intval($_GET['page'] );
}
}
/**
* Executes the SQL query and initializes internal variables
*
* @access public
* @return resource
*/
function paginate() {
//Check for valid mysql connection
if (! $this->conn || ! is_resource($this->conn )) {
if ($this->debug)
echo "MySQL connection missing<br />";
return false;
}
//Find total number of rows
$all_rs = @mysql_query($this->sql );
if (! $all_rs) {
if ($this->debug)
echo "SQL query failed. Check your query.<br /><br />Error Returned: " . mysql_error();
return false;
}
$this->total_rows = mysql_num_rows($all_rs );
@mysql_close($all_rs );
//Return FALSE if no rows found
if ($this->total_rows == 0) {
if ($this->debug)
echo "Query returned zero rows.";
return FALSE;
}
//Max number of pages
$this->max_pages = ceil($this->total_rows / $this->rows_per_page );
if ($this->links_per_page > $this->max_pages) {
$this->links_per_page = $this->max_pages;
}
//Check the page value just in case someone is trying to input an aribitrary value
if ($this->page > $this->max_pages || $this->page <= 0) {
$this->page = 1;
}
//Calculate Offset
$this->offset = $this->rows_per_page * ($this->page - 1);
//Fetch the required result set
$rs = @mysql_query($this->sql . " LIMIT {$this->offset}, {$this->rows_per_page}" );
if (! $rs) {
if ($this->debug)
echo "Pagination query failed. Check your query.<br /><br />Error Returned: " . mysql_error();
return false;
}
return $rs;
}
/**
* Display the link to the first page
*
* @access public
* @param string $tag Text string to be displayed as the link. Defaults to 'First'
* @return string
*/
function renderFirst($tag = 'First') {
if ($this->total_rows == 0)
return FALSE;
if ($this->page == 1) {
return "$tag ";
} else {
return '<a href="' . $this->php_self . '?page=1&' . $this->append . '">' . $tag . '</a> ';
}
}
/**
* Display the link to the last page
*
* @access public
* @param string $tag Text string to be displayed as the link. Defaults to 'Last'
* @return string
*/
function renderLast($tag = 'Last') {
if ($this->total_rows == 0)
return FALSE;
if ($this->page == $this->max_pages) {
return $tag;
} else {
return ' <a href="' . $this->php_self . '?page=' . $this->max_pages . '&' . $this->append . '">' . $tag . '</a>';
}
}
/**
* Display the next link
*
* @access public
* @param string $tag Text string to be displayed as the link. Defaults to '>>'
* @return string
*/
function renderNext($tag = 'Next') {
if ($this->total_rows == 0)
return FALSE;
if ($this->page < $this->max_pages) {
return '<a href="' . $this->php_self . '?page=' . ($this->page + 1) . '&' . $this->append . '">' . $tag . '</a>';
} else {
return $tag;
}
}
/**
* Display the previous link
*
* @access public
* @param string $tag Text string to be displayed as the link. Defaults to '<<'
* @return string
*/
function renderPrev($tag = 'Previous') {
if ($this->total_rows == 0)
return FALSE;
if ($this->page > 1) {
return ' <a href="' . $this->php_self . '?page=' . ($this->page - 1) . '&' . $this->append . '">' . $tag . '</a>';
} else {
return " $tag";
}
}
/**
* Display the page links
*
* @access public
* @return string
*/
function renderNav($prefix = '<span>', $suffix = '</span>') {
if ($this->total_rows == 0)
return FALSE;
$batch = ceil($this->page / $this->links_per_page );
$end = $batch * $this->links_per_page;
if ($end == $this->page) {
//$end = $end + $this->links_per_page - 1;
//$end = $end + ceil($this->links_per_page/2);
}
if ($end > $this->max_pages) {
$end = $this->max_pages;
}
$start = $end - $this->links_per_page + 1;
$links = '';
for($i = $start; $i <= $end; $i ++) {
if ($i == $this->page) {
$links .= $prefix . " $i " . $suffix;
} else {
$links .= ' ' . $prefix . '<a href="' . $this->php_self . '?page=' . $i . '&' . $this->append . '">' . $i . '</a>' . $suffix . ' ';
}
}
return $links;
}
/**
* Display full pagination navigation
*
* @access public
* @return string
*/
function renderFullNav() {
return $this->renderFirst() . ' ' . $this->renderPrev() . ' ' . $this->renderNav() . ' ' . $this->renderNext() . ' ' . $this->renderLast();
}
/**
* Set debug mode
*
* @access public
* @param bool $debug Set to TRUE to enable debug messages
* @return void
*/
function setDebug($debug) {
$this->debug = $debug;
}
}
?>
答案 0 :(得分：0)
将LIMIT偏移量，pagesize添加到SELECT语句中。
有关MySQL选择的更多信息，请查看http://dev.mysql.com/doc/refman/5.0/en/select.html