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  • 用php+oracle實現分頁的示例程序

    發表于:2007-07-14來源:作者:點擊數: 標簽:
    html body ? include /maya/inc/dbconn. php ; $sql=select max(rownum) from xqhtest where id50; $stmt=ociparse($gConn,$sql); ociexecute($stmt); ocifetch($stmt); $rowcount=ociresult($stmt,1); ocifreestatement($stmt); echo(共有.$rowcount.條記錄
    <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; //每頁顯示多少條記錄
    $pages=ceil($rowcount/$recordperpage);  //總頁數
    echo("共有".$pages."頁<br>\n");

    ?>
    <table border=0><tr><td>id</td><td>name</td></tr>
    <?

    //判斷偏移量參數是否傳遞給了腳本,如果沒有就使用默認值0

    if (empty($offset))
    {
        $offset=1;
    }
    $currentpage=ceil($offset/$recordperpage); //顯示當前頁
    echo("當前頁:".$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*($currentpage-2)+1;
    //判斷是否需要上一頁連接
    if (($currentpage>1) && ($currentpage<=$pages))
    {
    print "<a href=\"$PHP_SELF?offset=$prevoffset\">上一頁</a> \n";
    }

    //判斷是否需要下一頁連接
    if (($pages!=0) && ($currentpage<$pages))
    {
      print "<a href=\"$PHP_SELF?offset=$nextoffset\">下一頁</a> \n";
    }

    ocifreestatement($stmt2);
    ocilogoff($gConn);
    ?>
    </body>
    </html> 

    原文轉自:http://www.kjueaiud.com

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