用php+oracle實(shí)現(xiàn)分頁(yè)的示例程序
2024-08-29 13:32:30
供稿：網(wǎng)友
<html>
<body>
<?
include "/maya/inc/dbconn.php";
$sql="select max(rownum) from xqhtest where id<50";
$stmt=ociparse($gconn,$sql);
ociexecute($stmt);
ocifetch($stmt);
$rowcount=ociresult($stmt,1);
ocifreestatement($stmt);
echo("共有".$rowcount."條記錄<br>/n");
$recordperpage=15; //每頁(yè)顯示多少條記錄
$pages=ceil($rowcount/$recordperpage); //總頁(yè)數(shù)
echo("共有".$pages."頁(yè)<br>/n");
?>
<table border=0><tr><td>id</td><td>name</td></tr>
<?
//判斷偏移量參數(shù)是否傳遞給了腳本，如果沒(méi)有就使用默認(rèn)值0
if (empty($offset))
{
$offset=1;
}
$currentpage=ceil($offset/$recordperpage); //顯示當(dāng)前頁(yè)
echo("當(dāng)前頁(yè):".$currentpage."<br>/n");
$endset=$offset+$recordperpage;
$stmt2=ociparse($gconn,"select rownum,id,name from xqhtest where id<50 and rownum<".$endset." minus select rownum,id,name from xqhtest where id<50 and rownum<".$offset);
//echo "select id,name from xqhtest where rownum<".$endset." minus select id,name from xqhtest where rownum<".$offset."<br>/n";
ociexecute($stmt2);
//可以是任何sql語(yǔ)句,但select后面一定要有rownum,這是oracle特有的!
while (ocifetch($stmt2))
{
echo("<tr><td>".ociresult($stmt2,"id")."</td><td>".ociresult($stmt2,"name")."</td></tr>/n");
//換成你用于顯示返回記錄的代碼
}
//要寫出到所有頁(yè)面的鏈接
print "</table><br><br>";
for ($i=1; $i <= $pages; $i++)
{
$newoffset=($recordperpage*($i-1))+1;
print "<a href=/"$php_self?offset=$newoffset/">$i</a> /n";
}
print "<br>";
$nextoffset=$recordperpage*$currentpage+1;
$prevoffset=$recordperpage*($currentpage-2)+1;
//判斷是否需要上一頁(yè)連接
if (($currentpage>1) && ($currentpage<=$pages))
{
print "<a href=/"$php_self?offset=$prevoffset/">上一頁(yè)</a> /n";
}
//判斷是否需要下一頁(yè)連接
if (($pages!=0) && ($currentpage<$pages))
{
print "<a href=/"$php_self?offset=$nextoffset/">下一頁(yè)</a> /n";
}
ocifreestatement($stmt2);
ocilogoff($gconn);
?>
</body>
</html>
