先贴张图看看效果
在贴一下代码吧
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<?php $localhost = "localhost" ; $username = "root" ; $password = "root" ; $db = "test" ; //信息 $pagesize = 5; $conn = mysql_connect( $localhost , $username , $password ); //链接数据库 if (! $conn ){ echo "数据库链接失败" .mysql_error(); } mysql_query( "SET NAMES 'UTF8'" ); //编码转化 $db_select = mysql_select_db( $db ); //选择表 //查询记录总数 $total_sql = "select COUNT(*) from page" ; $total_result = mysql_query( $total_sql ); $total_row_arr = mysql_fetch_row( $total_result ); $total_row = $total_row_arr [0]; //总条数 //总页数 $total = ceil ( $total_row / $pagesize ); //当前页数 $page = @ $_GET [ 'p' ] ? $_GET [ 'p' ] : 1; //limit 下限 $offset = ( $page - 1)* $pagesize ; $sql = "select * from page order by id limit {$offset},{$pagesize}" ; $result = mysql_query( $sql ); echo "<p>PHP分页代码的小模块</p>" ; echo "<table border=1 cellspacing=0 WIDTH=60% align=center>" ; echo "<tr><td>ID</td><td>NAME</td></tr>" ; while ( $row = mysql_fetch_assoc( $result )){ $id = $row [ 'id' ]; $name = $row [ 'name' ]; echo "<tr><td>" . $id . "</td><td>" . $name . "</td></tr>" ; } echo "</table>" ; //上一页 、下一页 $pageprev = $page -1 ; if ( $page > $total ){ $pagenext = $total ; } else { $pagenext = $page +1; } // 做链接 跳转; echo "<h3> <a href='page.php?p={$pageprev}'>上一页</a> 丨<a href='page.php?p={$pagenext}'>下一页</a></h3>" ; mysql_free_result( $result ); mysql_close( $conn ); ?> |
关键点:
1、
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$sql = "select * from page order by id limit {$offset},{$pagesize}" ; |
2、
这两点是关键能体现 分页技术 和php 代码艺术的地方~
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