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Home Backend Development PHP Tutorial 簡易分頁類解決思路

簡易分頁類解決思路

Jun 13, 2016 pm 12:35 PM
count nbsp page sql static

簡易分頁類
這是一個(gè)簡單易用的分頁類。只需在你原有的程序中加兩句、改一句就可以了
先貼代碼
paging.php

<?php<br />
class Paging {<br />
  public static $count = 0;<br />
  public static $size = 0;<br />
  public static $page = 0;<br />
  static function prepare($sql, $pagesize=10) {<br />
    $page = isset($_GET['page']) ? $_GET['page'] : 1;<br />
    $pageon = ($page - 1) * $pagesize;<br />
    $sql = preg_replace('/select\s/i', '$0SQL_CALC_FOUND_ROWS ', $sql) . " limit $pageon, $pagesize";<br />
    $rs = mysql_query($sql);<br />
    $p = mysql_query('SELECT FOUND_ROWS()');<br />
    list(self::$count) = mysql_fetch_row($p);<br />
    self::$size = $pagesize;<br />
    self::$page = $page;<br />
    return $rs;<br />
  }<br />
  static function bar($tpl='') {<br />
    if(!$tpl) $tpl = '<a href=?reset>首頁</a> <a href=?prve>上一頁</a> <a href=?next>下一頁</a> <a href=?end>尾頁</a>';<br />
    $count = ceil(self::$count / self::$size);<br />
    $page = self::$page;<br />
    unset($_GET['page']);<br />
    $d = array(<br />
      'reset' => 1,<br />
      'prve' => $page > 1 ? $page - 1 : 1,<br />
      'next' => $page < $count ? $page + 1 : $count,<br />
      'end' => $count,<br />
    );<br />
    foreach($d as $k=>$v) {<br />
      $_GET['page'] = $v;<br />
      $tpl = str_replace($k, http_build_query($_GET), $tpl);<br />
    }<br />
    echo $tpl;<br />
  }<br />
}<br />

通常你都有類似這樣的語句
$sql?=".....";
$rs?=?mysql_query($sql);

$rs?=?mysql_query("select?....");


你只需改作
include?'paging.php';
$rs?=?paging::prepare($sql,?每頁行數(shù));
在需要出現(xiàn)分頁條的地方寫入
paging::bar();

就可以了,非常簡單!


------解決方案--------------------
前排拜模。
這樣的寫法還是第一次見到。
?$sql?=?preg_replace('/select\s/i',?'$0SQL_CALC_FOUND_ROWS?',?$sql)?.?"?limit?$pageon,?$pagesize";

sql還用preg_replace……
------解決方案--------------------

謝謝分享,確實(shí)很方便??,簡單易用?。學(xué)習(xí)了。
------解決方案--------------------
引用:
這是一個(gè)簡單易用的分頁類。只需在你原有的程序中加兩句、改一句就可以了
先貼代碼
paging.php
PHP?code
class?Paging?{
??public?static?$count?=?0;
??public?static?$size?=?0;
??public?static?$page?=?0;
??static?function?prepare($sql,?$……

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