PHP分页入门实例 附php函数代码

准备数据：

新建一个数据库 test

执行下面的语句（新建一个表 test ：id、sex、name 三个字段）

 CREATE TABLE `test` (
`id` INT( 4 ) NOT NULL AUTO_INCREMENT PRIMARY KEY ,
`sex` INT( 1 ) NOT NULL ,
`name` VARCHAR( 20 ) NOT NULL ) ENGINE = MYISAM CHARACTER SET utf8 COLLATE utf8_bin;

添加数据到 test 表，比如：

1 1 小强

2 0 小红

3 0 小丽

4 1 小兵

5 1 张三

6 0 李四

7 0 吴欣




写PHP语句（index.php）：

    <?php
    // Page分页函数
    $page = $_GET["page"];
    function Page($rows,$page_size){
    global $page,$select_from,$select_limit,$pagenav;
    $page_count = ceil($rows/$page_size);
    if($page <= 1 || $page == \'\') $page = 1;
    if($page >= $page_count) $page = $page_count;
    $select_limit = $page_size;
    $select_from = ($page - 1) * $page_size.\',\';
    $pre_page = ($page == 1)? 1 : $page - 1;
    $next_page= ($page == $page_count)? $page_count : $page + 1 ;
    $pagenav .= "第 $page/$page_count 页 共 $rows 条记录 ";
    $pagenav .= "<a href=\'?page=1\'>首页</a> ";
    $pagenav .= "<a href=\'?page=$pre_page\'>前一页</a> ";
    $pagenav .= "<a href=\'?page=$next_page\'>后一页</a> ";
    $pagenav .= "<a href=\'?page=$page_count\'>末页</a>";
    $pagenav.="　跳到<select name=\'topage\' size=\'1\' onchange=\'window.location=\\"?page=\\"+this.value\'>\\n";
    for($i=1;$i<=$page_count;$i++){
    if($i==$page) $pagenav.="<option value=\'$i\' selected>$i</option>\\n";
    else $pagenav.="<option value=\'$i\'>$i</option>\\n";
    }
    } // Page分页函数
    // 使用示例
    if (!$conn= mysql_connect("localhost", "root" ,"root")) die(\'数据库选择失败！\');
    if (!mysql_select_db("test", $conn)) die(\'数据库选择失败！\');
    mysql_query(\'set names GBK\');
    // 用Page函数计算出 $select_from 从哪条记录开始检索、$pagenav 输出分页导航
    $rows = mysql_num_rows(mysql_query("select * from test"));
    Page($rows,2);
    $sql = "select * from test limit $select_from $select_limit";
    $rst = mysql_query($sql);
    while ($row = mysql_fetch_array($rst)){
    echo "$row[id] - $row[sex] - $row[name] <hr />";
    }
    echo $pagenav;
    ?>

浏览 index.php 页面，如图：




该说byebye了，确实好用！

PHP简单分页函数

写了一个php简单的分页函数，数据库调用也写到里面了 ，用的人可以自行删减！

    function getask(){
    $sql = "select * from cms_ask where ansower <> \' \' ";
    //这里要改成方法
    $q_sq = mysql_query($sql);
    $count = mysql_num_rows($q_sq);
    $page_size = 8;
    $page_current = isset($GLOBALS[\'page\']) ? intval($GLOBALS[\'page\']) : 1;
    $page_count = ceil($count / $page_size);
    $page_start = $page_current - 4;
    $page_end = $page_current + 4;
    if ($page_current < 5) {
    $page_start = 1;
    $page_end = 5;
    }
    if ($page_current > $page_count - 4) {
    $page_start = $page_count - 8;
    $page_end = $page_count;
    }
    if ($page_start < 1)
    $page_start = 1;
    if ($page_end > $page_count)
    $page_end = $page_count;
    $pagebar = "";
    $sql = "select * from cms_ask where ansower <> \' \' order by id desc limit " . (($page_current - 1) * $page_size) . "," . $page_size;
    $row=$this -> user -> getall("$sql");
    foreach($row as $v){
    echo \'<dl><dt>问：\'.$v["question"].\'</dt><dd>答：\'.$v["ansower"].date("Y-m-d H:i:s",$v["postTime"]).\'</dd></dl>\';
     
    }
     
    $pagebar .= "<div class=\\"page\\">";
    $pagebar .= "<ol>";
    if ($page_current != 1) {
    $pagebar .= \'<li><a href="javascript:get_comment(1)" class="sx">FIRST</a></li>\';
    }
    for ($i = $page_start; $i <= $page_end; $i++) {
    if ($i == $page_current) {
    $pagebar .= "<li><span class=\\"sort\\">" . $i . "</span></li>";
    } else {
    $pagebar .= "<li><a href=\'javascript:get_comment(" . $i . ")\'>" . $i . "</a></li>";
    }
    }
     
    if ($page_current != $page_count) {
    $pagebar .= "<li><a href=\'javascript:get_comment(" . $page_count . ")\' class=\'sx\'>END</a></li>";
    }
    $pagebar .= "</ol>";
    $pagebar .= " </div>";
    echo $pagebar;
    }