PHP Paging Query

Last Update:2015-09-13 Source: Internet

Author: User

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<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
<title> Untitled Document </title>

<body>
<form action= "fenye.php" method= "Get" >
<table border= "1" bordercolor= "#FF0000" >
<?php
Class page
{
Private $pagesize;
Public $absolutepage;
Private $pagecount;
Private $totaINum;
Private $prevpage;
Private $nextpage;

Function page ($pagesize, $absolutepage)
{
$this->pagesize= $pagesize;
$this->absolutepage= $absolutepage;
}

Public Function Listinfo ()
{
$con =mysql_connect ("localhost", "root", "120911");
if (! $con)
{
Die (' Connection failed: '. mysql_error);
}
if (!mysql_select_db ("MyDB", $con))
{
Die (' Select database failed: '. mysql_error);
}
$result =mysql_query ("Select*from Persons");
Mysql_close ($con);
Total number of bars in the queried table
$this->totainum=mysql_num_rows ($result);
Calculate Total Pages
$this->pagecount= (int) (($this->totainum-1)/($this->pagesize)) +1;
Is_numeric detects if the variable is a number. Absoulutepage as the current page

if ($this->absolutepage== "" | |! Is_numeric ($this->absolutepage))
{
$this->absolutepage=1;
}
if ($this->absolutepage> $this->pagecount)
{
$this->absolutepage= $this->pagecount;
}
if ($this->totainum>1&& $this->absolutepage>1)
{
$this->prevpage= $this->absolutepage-1;
}
if ($this->absolutepage>=1&& $this->absolutepage< $this->pagecount)
{
$this->nextpage= $this->absolutepage+1;
}

?>
&LT;TR align= "center" >
<td>ID</td>
<td> Surname </td>
<td> name </td>
<td> Age </td>
</tr>
<?php
if (Mysql_data_seek ($result, ($this->absolutepage-1) * $this->pagesize))
{
for ($i =0; $i < $this->pagesize; $i + +)
{
if ($info =mysql_fetch_array ($result))
{
?>
&LT;TR align= "center" >
<td><?php echo $info ["PersonID"];? ></td>
<td><?php echo $info ["FirstName"];? ></td>
<td><?php echo $info ["LastName"];? ></td>
<td><?php echo $info ["age"];? ></td>
</tr>
<?php

}
}
}
}
Public Function ToPage ()
{
?>
<tr>
&LT;TD colspan= "5" >

Altogether <?php Echo $this->totainum?> students, <?php echo $this->absolutepage?> page/Total
<?php echo $this->pagecount?> page:

<?php
echo "<a href= '? absolutepage=1 ' > Home </a>";
echo "<a href= '? absolutepage= $this->prevpage ' > Prev </a>";
echo "<a href= '? absolutepage= $this->nextpage ' > Next </a>";
echo "<a href= '? absolutepage= $this->pagecount ' > End </a>";
?>

</td>
</tr>
<?php
}
}
$obj =new page (3,$_get[absolutepage]);
$obj =new page (3,$_get[' AbsolutePage ');
$obj->listinfo ();
$obj->topage ();
?>
</table>
</form>
Undefined Index: Parameter not passed over <br>
Use of undefined constant: non-standard writing
</body>

PHP Paging Query

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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