|
 |
| |
การแบ่งหน้าแสดงผล Paging (ย้อนกลับ) ติดbug หรือเปล่า |
| |
 |
|
|
 |
 |
|
เอาโค้ทคุณมาดู
|
 |
 |
 |
 |
| Date :
2012-07-04 16:12:07 |
By :
mangkunzo |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
| |
|
|
|
| |
|
Code (PHP)
<?
class Paginator{
var $items_per_page;
var $items_total;
var $current_page;
var $num_pages;
var $mid_range;
var $low;
var $high;
var $limit;
var $return;
var $default_ipp;
var $querystring;
var $url_next;
function Paginator()
{
$this->current_page = 1;
$this->mid_range = 7;
$this->items_per_page = $this->default_ipp;
$this->url_next = $this->url_next;
}
function paginate()
{
if(!is_numeric($this->items_per_page) OR $this->items_per_page <= 0) $this->items_per_page = $this->default_ipp;
$this->num_pages = ceil($this->items_total/$this->items_per_page);
if($this->current_page < 1 Or !is_numeric($this->current_page)) $this->current_page = 1;
if($this->current_page > $this->num_pages) $this->current_page = $this->num_pages;
$prev_page = $this->current_page-1;
$next_page = $this->current_page+1;
if($this->num_pages > 10)
{
$this->return = ($this->current_page != 1 And $this->items_total >= 10) ? "<a class=\"paginate\" href=\"".$this->url_next.$this->$prev_page."\">« Previous</a> ":"<span class=\"inactive\" href=\"#\">« Previous</span> ";
$this->start_range = $this->current_page - floor($this->mid_range/2);
$this->end_range = $this->current_page + floor($this->mid_range/2);
if($this->start_range <= 0)
{
$this->end_range += abs($this->start_range)+1;
$this->start_range = 1;
}
if($this->end_range > $this->num_pages)
{
$this->start_range -= $this->end_range-$this->num_pages;
$this->end_range = $this->num_pages;
}
$this->range = range($this->start_range,$this->end_range);
for($i=1;$i<=$this->num_pages;$i++)
{
if($this->range[0] > 2 And $i == $this->range[0]) $this->return .= " ... ";
if($i==1 Or $i==$this->num_pages Or in_array($i,$this->range))
{
$this->return .= ($i == $this->current_page And $_GET['Page'] != 'All') ? "<a title=\"Go to page $i of $this->num_pages\" class=\"current\" href=\"#\">$i</a> ":"<a class=\"paginate\" title=\"Go to page $i of $this->num_pages\" href=\"".$this->url_next.$i."\">$i</a> ";
}
if($this->range[$this->mid_range-1] < $this->num_pages-1 And $i == $this->range[$this->mid_range-1]) $this->return .= " ... ";
}
$this->return .= (($this->current_page != $this->num_pages And $this->items_total >= 10) And ($_GET['Page'] != 'All')) ? "<a class=\"paginate\" href=\"".$this->url_next.$next_page."\">Next »</a>\n":"<span class=\"inactive\" href=\"#\">» Next</span>\n";
}
else
{
for($i=1;$i<=$this->num_pages;$i++)
{
$this->return .= ($i == $this->current_page) ? "<a class=\"current\" href=\"#\">$i</a> ":"<a class=\"paginate\" href=\"".$this->url_next.$i."\">$i</a> ";
}
}
$this->low = ($this->current_page-1) * $this->items_per_page;
$this->high = ($_GET['ipp'] == 'All') ? $this->items_total:($this->current_page * $this->items_per_page)-1;
$this->limit = ($_GET['ipp'] == 'All') ? "":" LIMIT $this->low,$this->items_per_page";
}
function display_pages()
{
return $this->return;
}
}
?>
<html>
<head>
<title>ThaiCreate.Com PHP & MySQL Tutorial</title>
</head>
<style type="text/css">
<!--
.paginate {
font-family: Arial, Helvetica, sans-serif;
font-size: .7em;
}
a.paginate {
border: 1px solid #000080;
padding: 2px 6px 2px 6px;
text-decoration: none;
color: #000080;
}
h2 {
font-size: 12pt;
color: #003366;
}
h2 {
line-height: 1.2em;
letter-spacing:-1px;
margin: 0;
padding: 0;
text-align: left;
}
a.paginate:hover {
background-color: #000080;
color: #FFF;
text-decoration: underline;
}
a.current {
border: 1px solid #000080;
font: bold .7em Arial,Helvetica,sans-serif;
padding: 2px 6px 2px 6px;
cursor: default;
background:#000080;
color: #FFF;
text-decoration: none;
}
span.inactive {
border: 1px solid #999;
font-family: Arial, Helvetica, sans-serif;
font-size: .7em;
padding: 2px 6px 2px 6px;
color: #999;
cursor: default;
}
-->
</style>
<body>
<?
$objConnect = mysql_connect("localhost","root","1234") or die("Error Connect to Database");
$objDB = mysql_select_db("mydatabase");
$strSQL = "SELECT * FROM customer ";
$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
$Num_Rows = mysql_num_rows($objQuery);
$Per_Page = 3; // Per Page
$Page = $_GET["Page"];
if(!$_GET["Page"])
{
$Page=1;
}
$Prev_Page = $Page-1;
$Next_Page = $Page+1;
$Page_Start = (($Per_Page*$Page)-$Per_Page);
if($Num_Rows<=$Per_Page)
{
$Num_Pages =1;
}
else if(($Num_Rows % $Per_Page)==0)
{
$Num_Pages =($Num_Rows/$Per_Page) ;
}
else
{
$Num_Pages =($Num_Rows/$Per_Page)+1;
$Num_Pages = (int)$Num_Pages;
}
$strSQL .=" order by CustomerID ASC LIMIT $Page_Start , $Per_Page";
$objQuery = mysql_query($strSQL);
?>
<table width="600" border="1">
<tr>
<th width="91"> <div align="center">CustomerID </div></th>
<th width="98"> <div align="center">Name </div></th>
<th width="198"> <div align="center">Email </div></th>
<th width="97"> <div align="center">CountryCode </div></th>
<th width="59"> <div align="center">Budget </div></th>
<th width="71"> <div align="center">Used </div></th>
</tr>
<?
while($objResult = mysql_fetch_array($objQuery))
{
?>
<tr>
<td><div align="center"><?=$objResult["CustomerID"];?></div></td>
<td><?=$objResult["Name"];?></td>
<td><?=$objResult["Email"];?></td>
<td><div align="center"><?=$objResult["CountryCode"];?></div></td>
<td align="right"><?=$objResult["Budget"];?></td>
<td align="right"><?=$objResult["Used"];?></td>
</tr>
<?
}
?>
</table>
<br>
Total <?= $Num_Rows;?> Record
<?
$pages = new Paginator;
$pages->items_total = $Num_Rows;
$pages->mid_range = 10;
$pages->current_page = $Page;
$pages->default_ipp = $Per_Page;
$pages->url_next = $_SERVER["PHP_SELF"]."?QueryString=value&Page=";
$pages->paginate();
echo $pages->display_pages()
?>
<?
mysql_close($objConnect);
?>
</body>
</html>
Code ตามนี้เลยคุณพี่ พอกด Previous มันกลับไปหน้าแรกสุด
|
| |
|
|
| |
| Date :
2012-07-04 16:38:20 |
By :
nutsza |
|
|
| |
|
|
|
|
|
| |
|
|
|
| |
|
|
|
| |
|
ผมเขียนไว้มันก็ปกติดีน่ะครับ คุณน่าจะส่งค่าไม่ครบครับ
|
| |
|
|
| |
| Date :
2012-07-04 21:35:53 |
By :
mr.win |
|
|
| |
|
|
|
|
|
| |
|
|
|
| |
|
|
|
| |
|
อ้อ เหรอครับ เด่วจะลองไล่ดูใหม่ เผื่อขาดตกตรงไหน พอดีมีข้อมูลจำนวนมากอะครับ เลยต้องใช้ code ส่วนนี้
|
| |
|
|
| |
| Date :
2012-07-05 06:32:09 |
By :
nutsza |
|
|
| |
|
|
|
|
|
| |
|
|
|
| |
|
|
|
| |
|
เจอที่ผิดละครับ
ซึ่งตรงนี้มันเป็น code บรรทัดที่ 210 นั้นคือ $pages->url_next = $_SERVER["PHP_SELF"]."?QueryString=value&Page=";
แต่ถ้าใส่ตัวเลขต่อท้าย มันก็ขึ้นที่ Previous แต่มันไม่ขึ้นที่ Next สงใสต้องสร้างตัวแปรเพิ่ม
|
ประวัติการแก้ไข
2012-07-05 09:25:06
2012-07-05 09:33:42
| |
|
|
| |
| Date :
2012-07-05 09:23:41 |
By :
nutsza |
|
|
| |
|
|
|
|
|
| |
|
|
|
| |
|
|
|
| |
|
|
| |
|
|
| |
| Date :
2012-07-05 21:25:52 |
By :
mr.win |
|
|
| |
|
|
|
|
|
| |
|
|
|
|
|
| |
|
 Load balance : Server 00
|
