一个模仿oso的论坛程序(之一)
程序由三部分组成,即显示主题信息,显示论坛信息,增加论坛信息,主题与论坛内容采用主从表关系。
表结构如下:
drop table fr_t_forumtitle;
create table fr_t_forumtitle(
id integer,
state varchar(1),
readcount integer,
replycount integer,
title varchar(100),
createman varchar(20),
replyman varchar(20),
replytime datetime);
drop table fr_t_forumcontent;
create table fr_t_forumcontent(
id integer,
replyman varchar(20),
replytime datetime,
replyemail varchar(100),
replyhttp varchar(100),
replyface smallint,
content text);
drop table fr_t_parameter;
create table fr_t_parameter(
code varchar(10),
name varchar(40),
content varchar(10));
insert into fr_t_parameter(code,name,content) values(pageline,分页数,20); /* 调整该参数可以修改每页行数 */
程序1:mainforum.php
<html>
<head>
<link rel="STYLESHEET" type="text/css" href="fp_zhangcg.css">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="Microsoft Theme" content="none">
<meta name="Microsoft Border" content="none">
<title>论坛</title>
</head>
<body bgcolor="#C0C0C0" background="backcolor.GIF">
<?
include ("c:mydbheader.inc");
?>
<table width="100%" border="0">
<tr class="text">
<td width="50%"> <div align="left">当前位置:主页——论坛</div> </td>
<td width="20%"> <div align="center"> </div> </td>
<td width="10%"> <div align="center">
<A href="addmember.php" target=_blank>会员注册</A></div> </td>
<td width="10%"> <div align="center">论坛搜索</div> </td>
<td width="10%"> <div align="center"> </div> </td>
</table>
<?
$dbh = mysql_connect(localhost:3306,root,);
mysql_select_db(test);
$res=mysql_query("SELECT content FROM fr_t_parameter where code = pageline",$dbh);
$row=mysql_fetch_array($res);
global $pageline;
$pageline = $row["content"];
if (empty($pageline)) {
$res=mysql_query("insert into fr_t_parameter(code,name,content) values(pageline,分页数,20)",$dbh);
$row=mysql_fetch_array($res);
$pageline = 20;
}
$res=mysql_query("SELECT COUNT(*) AS rcnt FROM fr_t_forumtitle",$dbh);
$row=mysql_fetch_array($res);
$rcount = $row["rcnt"];
$res=mysql_query("SELECT COUNT(*) AS rcnt_con FROM fr_t_forumcontent",$dbh);
$row=mysql_fetch_array($res);
$rcon_count = $row["rcnt_con"];
print <table width="100%" border="0">;
print <tr class="text">;
print <td width="15%"> </td>;
print <td width="35%"> <div align="left"> ;
print "主题数:".$rcount." 帖子数:".$rcon_count;
print <td width="35%"> <div align="right"> ;
print <a href="addforum.php?theme_id=0" target="_top"><img src="post.gif" alt="加新帖子" border="0"></a>;
print <td width="15%"> </td>;
print </td></table>;
$pages=ceil($rcount / $pageline); //$pages变量现在包含所需的页数
if (empty($offset)) {
$offset=1;
$curline = 0;
} else
$curline = ($offset - 1) * $pageline;
//打印表头
print <table width="100%" border="0">;
print <tr class="text"> <td width="50%"> <div align="center">;
if ($offset <> 1) { //如果偏移量是0,不显示前一页的链接
$newoffset=$offset - 1;
print "<a href=$PHP_SELF?offset=$newoffset>前一页</a>";
} else {
print "前一页";
print " ";
}
//计算总共需要的页数
$pages=ceil($rcount/$pageline); //$pages变量现在包含所需的页数
for ($i=1; $i <= $pages; $i++) {
$temps = "<a href=".$PHP_SELF.?offset=.$i.">".$i."</a>";
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