PHP网络开发详解：页面代码设计[3]

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PHP代码如下所示

<! 首页文件indexphp >

<?php require_once(Connections/connphp); ?>

<?php

//分页的计算

$maxRows_rs_articles = ; //每页显示记录数

$pageNum_rs_articles = ; //初始化页码编号

if (isset($_GET[pageNum_rs_articles])) //获取当前页码

{

$pageNum_rs_articles = $_GET[pageNum_rs_articles];

}

$startRow_rs_articles = $pageNum_rs_articles * $maxRows_rs_articles; //计算起始记录数

//读取文章信息

mysql_select_db($database_conn $conn);

$query_rs_articles = SELECT * FROM articles WHERE checked_indc= ORDER BY

last_upt_time DESC;

$query_limit_rs_articles = sprintf(%s LIMIT %d %d $query_rs_articles

$startRow_rs_articles $maxRows_rs_articles);

$rs_articles = mysql_query($query_limit_rs_articles $conn) or die(mysql_error());

$row_rs_articles = mysql_fetch_assoc($rs_articles);

//设定分页页码

if (isset($_GET[totalRows_rs_articles])) //如果参数中存在总记录数则获取

{

$totalRows_rs_articles = $_GET[totalRows_rs_articles];

}

else //否则执行SQL语句计算

{

$all_rs_articles = mysql_query($query_rs_articles);

$totalRows_rs_articles = mysql_num_rows($all_rs_articles);

}

$totalPages_rs_articles = ceil($totalRows_rs_articles/$maxRows_rs_ articles); //计算总页数

//读取文章类别信息

mysql_select_db($database_conn $conn);

$query_rs_types = SELECT * FROM types ORDER BY type_id ASC;

$rs_types = mysql_query($query_rs_types $conn) or die(mysql_error());

$row_rs_types = mysql_fetch_assoc($rs_types);

$totalRows_rs_types = mysql_num_rows($rs_types);

//读取网站配置信息

mysql_select_db($database_conn $conn);

$query_rs_config = SELECT * FROM config templates WHERE configtemplate_

id=templatestemplate_id;

$rs_config = mysql_query($query_rs_config $conn) or die(mysql_error());

$row_rs_config = mysql_fetch_assoc($rs_config);

$totalRows_rs_config = mysql_num_rows($rs_config);

//验证用户权限

session_start();

$loginFormAction = $_SERVER[PHP_SELF];

if (isset($accesscheck)) //检查是否已经登录

{

$GLOBALS[PrevUrl] = $accesscheck;

session_register(PrevUrl);

}

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