当前位置: 首页 > 图文教程 > 网络编程 > PHP > 基于mysql的论坛(3)

PHP
PHP 执行系统外部命令 system() exec() passthru()
最新的php 文件上传模型,支持多文件上传
php 静态页面中显示动态内容
数据库查询记录php 多行多列显示
谈PHP生成静态页面分析 模板+缓存+写文件
PHP 各种排序算法实现代码
PHP nl2br函数 将换行字符转成 <br>
php 分页原理详解
Discuz 模板语句分析及知识技巧
php win下Socket方式发邮件类
怎样去阅读一份php源代码
建站常用13种PHP开源CMS比较
php xml留言板 xml存储数据的简单例子
PHP 开源AJAX框架14种
PHP 替换模板变量实现步骤
PHP has encountered an Access Violation at 7C94BD02解决方法
php 正则匹配函数体
php 文件夹删除、php清除缓存程序
php download.php实现代码 跳转到下载文件(response.redirect)
PHP类(Class)入门教程

PHP 中的 基于mysql的论坛(3)


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-13   浏览: 244 ::
收藏到网摘: n/a

#####################
# func.php #########
####################
<?php
require("config.inc.php");
##### 检查用户是否存在 #####
function is_user_exits($name) {
$name=trim($name);
$name=ereg_replace("'","‘",$name);
$name=htmlspecialchars($name);
$SQL="SELECT name FROM user WHERE name='$name'";
$result=mysql_query($SQL) or die(mysql_error());
$row=mysql_fetch_Array($result);
$name=$row[name];
return $name;
}
##### 检查版面是否存在 #####
function is_board_exits($baord){
$sql="select name from boardinfo where name='$baord'";
$result=mysql_query($sql) or die("出现错误");
$row=mysql_fetch_array($result);
$name=$row[name];
return $name;
}
##### 添加新用户 Function #####
function adduser(){
global $name,$sex,$realname,$password,$address,$oicq,$homepage,$phone,$email,$qm,$regtime;
$name=trim($name);
$name=ereg_replace("'","‘",$name);
$password=trim($password);
$name=htmlspecialchars($name);
$realname=htmlspecialchars($realname);
$address=htmlspecialchars($address);
$oicq=htmlspecialchars($oicq);
$homepage=htmlspecialchars($homepage);
$phone=htmlspecialchars($phone);
$email=htmlspecialchars($email);
$qm=htmlencode2($qm);
$regtime=date("Y-m-d H:i:s");
$sql="insert into user (name,sex,realname,password,address,oicq,homepage,score,phone,email,qm,regtime,slaveboard) values('$name','$sex','$realname','$password','$address','$oicq','$homepage','0','$phone','$email','$qm','$regtime','')";
mysql_query($sql) or die(mysql_error());
}
##### URL 重定向 ######
function redirect2($url){
header("Location:$url");
}
##### 创建版面 ######
function create_board_table($name,$chinesename){
$name=trim("$name");
$sql="CREATE TABLE $name(id int(11) NOT NULL AUTO_INCREMENT,title varchar(50) NOT NULL,writer varchar(50) NOT NULL,cont longtext, size int,writetime varchar(20) NOT NULL,hits int(4) DEFAULT '0',good varchar(1),renum int(4) DEFAULT '0',slaveid int(11) DEFAULT '0',fromip varchar(15),PRIMARY KEY (id))";
mysql_query($sql);
$sql="insert into boardinfo (name,chinesename) values('$name','$chinesename')";
mysql_query($sql);
}
###### 删除版面 ######
function drop_board_table($name){
$sql="drop table $name";
mysql_query($sql);
$sql="delete from boardinfo where name='$name'";
mysql_query($sql);
}
######## 修改版面 ###
function update_board($name,$chinesename) {
$sql="update boardinfo set name='$name',chinesename='$chinesename' where name='$name'";
mysql_query($sql);
}
##### 添加文章 ######
function add_doc($board){
global $title,$name,$cont,$writer,$fromip,$writetime,$qm,$new_topic_score;
$title=trim($title);
$title=substr($title,0,49);
$size=strlen($cont);
$cont=htmlencode2($cont);
$cont=$cont."<br>"."-------<br>".$qm;
$writetime=date("Y-m-d H:i:s");
$fromip=getenv("remote_addr");
$name=htmlspecialchars($name);
$writer=$name;
$sql="insert into $board (title,writer,cont,size,writetime,fromip) values('$title','$name','$cont','$size','$writetime','$fromip')";
mysql_query($sql);
add_score($writer,$new_topic_score);
}
##### 回复文章 #####
function re_doc($board,$slaveid){
global $title,$name,$cont,$writer,$fromip,$writetime,$qm,$re_topic_score;
$title=trim($title);
$title=substr($title,0,49);
$size=strlen($cont);
$cont=htmlencode2($cont);
$cont=$cont."<br>"."-------<br>".$qm;
$writetime=date("Y-m-d H:i:s");
$name=htmlspecialchars($name);
$writer=$name;
$fromip=getenv("remote_addr");
$sql="insert into $board (title,writer,cont,size,writetime,slaveid,fromip) values('$title','$writer','$cont','$size','$writetime','$slaveid','$fromip')";
mysql_query($sql);
$sql="update $board set renum=renum+1 where id=$slaveid";
mysql_query($sql);
add_score($writer,$re_topic_score);
}
##### 删除文章 ####
function del_doc($board,$id){
global $remove_score;
$sql="select * from $board where id=$id";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
$writer=$sql_row[writer];
remove_score($writer,$remove_score);
$slaveid=$sql_row[slaveid];
$sql="select * from $board where id=$slaveid";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
if ($sql_row[renum]>0){
$sql="update $board set renum=renum-1 where id=$slaveid";
mysql_query($sql);
}
$sql="delete from $board where id=$id";
mysql_query($sql);
$sql="delete from $board where slaveid=$id";
mysql_query($sql);
}
#### 转换 html 特殊字符和 <br> #####
function htmlencode2($str){
$str=htmlspecialchars($str);
$str=nl2br($str);
return $str;
}
##### 增加一个 hit ####
function add_one_hit($board,$id){
$sql="update $board set hits=hits+1 where id=$id";
mysql_query($sql);
}
##### 检查用户密码 ####
function check_user_password($name,$password){
$name=trim($name);
$name=ereg_replace("'","‘",$name);
$name=htmlspecialchars($name);
$password=trim($password);
$sql="select password from user where name='$name'";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
if($password<>$sql_row[password]){
$result=0;
}
else{
$result=1;
setcookie ("jl_forum[name]",$name);
setcookie ("jl_forum[password]",$password);
}
return $result;
}
##### 检查管理员密码 ####
function check_admin_password(){
$sql="select * from user where name='$jl_forum[name]'";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
if ($jl_forum[password]==$sql_row[password]){
$result=1;
}
else {
$result=0;
}
if ($sql_row[slaveboard]==$jl_forum[board]){
$result=1;
}
else {
$result=0;
}
return $result;
}
##### 修改个人资料 ####
function change_profile($name){
global $sex,$realname,$password,$address,$oicq,$homepage,$phone,$email,$qm;
$name=trim($name);
$name=htmlspecialchars($name);
$realname=htmlspecialchars($realname);
$address=htmlspecialchars($address);
$oicq=htmlspecialchars($oicq);
$homepage=htmlspecialchars($homepage);
$phone=htmlspecialchars($phone);
$email=htmlspecialchars($email);
$qm=htmlencode2($qm);
$sql="update user set sex='$sex',realname='$realname',password='$password',address='$address',oicq='$oicq',homepage='$homepage',phone='$phone',email='$email',qm='$qm' where name='$name'";
mysql_query($sql);
}
##### 显示错误 ####
function show_error($id){
redirect2("wrong.php?id=$id");
}
##### 增加版主 ####
function add_admin($board,$name){
$name=trim($name);
$sql="update user set slaveboard='$board' where name='$name'";
mysql_query($sql);
}
##### 删除版主 #####
function del_admin($name){
$name=trim($name);
$name=htmlspecialchars($name);
$sql="update user set slaveboard='' where name='$name'";
mysql_query($sql);
}
##### 贴子转精华 ####
function set_good($board,$id){
$sql="update $board set good='y' where id=$id";
mysql_query($sql);
}
##### 转出精华 ###
function set_no_good($board,$id){
$sql="update $board set good='' where id=$id";
mysql_query($sql);
}
##### 导出签名 #####
function expl_qm($name){
$name=htmlspecialchars($name);
$sql="select qm from user where name='$name'";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
$qm=$sql_row[qm];
return $qm;
}
##### 管理员 #####
function adminok() {
if ($jl_admin[name]==$admin_name and $jl_admin[password]==$admin_password) {
return 1;
}
else {
return 0;
}
}
##### 增加积分 #####
function add_score($name,$num) {
$name=htmlspecialchars($name);
$sql="update user set score=score+$num where name='$name'";
mysql_query($sql);
}
##### 减少积分 ####
function remove_score($name,$num) {
$name=htmlspecialchars($name);
$sql="update user set score=score-$num where name='$name'";
mysql_query($sql);
}
#### 发送留言 ####
function sendmsg() {
global $fromname,$name,$cont;
$name=htmlspecialchars($name);
$fromname=htmlspecialchars($fromname);
$cont=htmlencode2($cont);
$wt=date("Y-m-d H:i:s");
$sql="insert into message (name,fromname,cont,writetime) values ('$name','$fromname','$cont','$wt')";
mysql_query($sql);
}
#### 删除留言 ####
function delmsg($id) {
$sql="delete from message where id=$id";
mysql_query($sql);
}
### 留言是否属于这个人 #####
function is_this_user($id) {
$sql="select name from message where id=$id";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_row($sql_result);
if ($sql_row[name]==$jl_forum[name]) {
return 1;
}
else {
return 0;
}
}
?>
##########################
# good.php ##########
########################
<?php
require("func.php");
$sql="select * from boardinfo";
$sql_result=mysql_query($sql);
?>
<html>
<head>
<title>main</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" type="text/css" href="css/page.css">
</head>
<body bgcolor="#FFFFFF" background="image/bg.gif">
<table width="90%" border="1" cellspacing="0" cellpadding="0" align="center" bordercolorlight="#FFCC99" bordercolordark="#FFCC99">
<tr bgcolor="#CCFF99">
<td>
<div align="center"><b>论坛精华区</b></div>
</td>
</tr>
<tr align="center">
<td>
<form method="post" action="good_list.php">
<select name="board">
<option selected>请选择版面</option>
<?php
while($sql_row=mysql_fetch_array($sql_result)){
?>
<option value="<?php echo $sql_row[name];?>"><?php echo $sql_row[chinesename];?></option>
<?php
}
?>
</select>
<br>
<input type="submit" name="Submit" value="进入">
</form>
</td>
</tr>
<tr bgcolor="#CCFF99">
<td>
<div align="center"><b>论坛信息</b></div>
</td>
</tr>
<tr>
<td>
<?php include "info.php";?>
</td>
</tr>
</table>
</body>
</html>
###########################
# good_list.php ###########
###########################
<?php
require("func.php");
if(!is_board_exits($board)){
$board="computer";
}
$sql="select * from boardinfo where name='$board'";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
$chinesename=$sql_row[chinesename];
setcookie ("jl_forum[chinesename]",$chinesename);
$sql="select name from user where slaveboard='$board'";
$sql_result=mysql_query($sql);
?>
<html>
<head>
<title>List</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" type="text/css" href="css/index.css">
<script language="javascript">
function openwin(board,id){ window.open("good_read.php?board="+board+"&id="+id,"","height=460,width=600,resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no");
}
function post(board){ window.open("post.php?board="+board,"","height=500,width=600,resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no");
}
</script>
</head>
<body bgcolor="#FFFFFF" background="image/bg.gif">
<?php include "header.php";?> <br>
<table width="100%" border="1" cellspacing="0" cellpadding="0" bordercolorlight="#000000" bordercolordark="#FFFFFF">
<tr>
<td height="20" width="22%" bgcolor="#eeeeee">版面:<?php
echo $chinesename;
?>精华区</td>
<td height="20" width="34%" bgcolor="#eeeeee">版主:<?php
while ($sql_row=mysql_fetch_array($sql_result))
{
echo "$sql_row[name]"." ";
}
# 选择出留言纪录;
$sql="select * from $board where good='y'";
$temp=mysql_query($sql);
$sum=mysql_num_rows($temp);
$totalpage=ceil($sum/$pagesize);
if ($sum==0) {
$totalpage=1;
}
# 分页
if($page<1 or empty($page)){
$page=1;
}
elseif ($page>$totalpage){
$page=$totalpage;
}
$offset=($page-1)*$pagesize;
$sql="select * from $board where good='y' order by id desc limit $offset,$pagesize";
$sql_result=mysql_query($sql);
?> </td>
<td height="20" width="15%" bgcolor="#eeeeee">共有<?php echo $sum; ?>篇</td>
<td height="20" width="12%"><a href='javascript:post("<?php echo $board;?>")'><img src="image/newtopic.jpg" width="92" height="21" border="0" alt="发新贴子"></a></td>
<td height="20" align="center" width="17%"><a href="<?php echo "$php_self?board=$board&page=$page";?>">刷新浏览</a></td>
</tr>
</table>
<br>
<table width="100%" border="1" cellspacing="0" cellpadding="1" bordercolorlight="#CCCCCC" bordercolordark="#FFFFFF">
<tr bgcolor="#995100" align="center">
<td width="6%"><font color="#FFFFFF">回应</font></td>
<td width="67%" bgcolor="#995100"><font color="#FFFFFF">主 题</font></td>
<td width="20%"><font color="#FFFFFF">时 间</font></td>
<td width="7%"><font color="#FFFFFF">人气</font></td>
</tr>
<tr bgcolor="#FFCC99">
<td colspan="5" height="2"> </td>
</tr>
<?php
while ($sql_row=mysql_fetch_array($sql_result))
{
echo"<tr>";
echo"<td width="6%" bgcolor="#FFF5DD" align="center">";
echo "[*]";
echo"</td>";
echo"<td bgcolor="#E8FDEE" width="56%"><font face="宋体"><a href='javascript:openwin("$board",$sql_row[id])' title="作者:$sql_row[writer] 大小:$sql_row[size]字节">$sql_row[title]</a></font></td>";
echo"<td width="18%" bgcolor="#FFF5DD" align="center">$sql_row[writetime]</td>";
echo"<td width="6%" bgcolor="#E8FDEE" align="center">$sql_row[hits]</td>";
echo"</tr>";
}
?>
<tr bgcolor="#FFCC99">
<td colspan="5" align="center" height="2"> </td>
</tr>
</table>
<div align="right">
<form method="post" action="<?php echo $php_self;?>">
共<b><?php echo $totalpage;?></b>页 第<b><?php echo $page;?></b>页·<?php
if ($page!=1){
$back=$page-1;
echo"<a href="$php_self?board=$board&page=1">首页</a> <a href="$php_self?board=$board&page=$back">上一页</a>";
}
if ($page==1){
echo"首页 上一页";
}
if($page!=$totalpage){
$next=$page+1;
echo" <a href="$php_self?board=$board&page=$next">下一页</a> <a href="$php_self?board=$board&page=$totalpage">尾页</a>";
}
if($page==$totalpage){
echo" 下一页 尾页";
}
?>·
<input type="submit" name="goto" value="转到">
<input type="text" name="page" size="2">

</form>
</div>
<?php include "footer.php";?>
</body>
</html>
############################
### good_read.php ######
######################3
<?php
require ("func.php");
if ($re){
if (!is_board_exits($board)){
show_error(7);
$founderr=1;
}
$sql="select slaveid from $board where id=$id";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
if($sql_row[slaveid]!=0){
show_error(1);
$founderr=1;
}
if (!check_user_password($name,$password)){
show_error(4);
$founderr=1;
}
if (strlen($title)>50){
show_error(6);
$founderr=1;
}
if (empty($title)){
show_error(2);
$founderr=1;
}
if ($qm){
$qm=expl_qm($name);
}
if(!$founderr){
re_doc($board,$id);
$sql="select * from $board where id=$id";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
$title=$sql_row[title];
$writer=$sql_row[writer];
$cont=$sql_row[cont];
$writetime=$sql_row[writetime];
$hits=$sql_row[$hits];
$fromip=$sql_row[fromip];
$sql="select * from $board where slaveid=$id";
$sql_result=mysql_query($sql);
# $sql_row=mysql_fetch_array($sql_result);
}
}
elseif ($add){
if (!is_board_exits($board)){
show_error(7);
$founderr=1;
}
if (empty($title)){
show_error(2);
$founderr=1;
}
if (!check_user_password($name,$password)){
show_error(4);
$founderr=1;
}
if (strlen($title)>50){
show_error(6);
$founderr=1;
}
if ($qm){
$qm=expl_qm($name);
$founderr=1;
}
if (!$founderr){
add_doc($board);
}
}
else {
if (!is_board_exits){
show_error(7);
}
add_one_hit($board,$id);
$sql="select * from $board where id=$id";
$sql_result=mysql_query($sql);
$sql_row=mysql_fetch_array($sql_result);
$title=$sql_row[title];
$writer=$sql_row[writer];
$cont=$sql_row[cont];
$writetime=$sql_row[writetime];
$hits=$sql_row[$hits];
$fromip=$sql_row[fromip];
$sql="select * from $board where slaveid=$id order by id desc";
$sql_result=mysql_query($sql);
# $sql_row=mysql_fetch_array($sql_result);
}
?>
<html>
<head>
<title><?php echo $title;?></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" type="text/css" href="css/index.css">
<script language="javascript">
function sendmsg(name){ window.open("sendmsg.php?name="+name,"","height=200,width=500,resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no");
}
</script>
</head>
<body bgcolor="#666699">
<?php include "ad.php";?><br>
<hr noshade width="98%" size="1">
<table width="98%" border="1" cellspacing="0" cellpadding="2" align="center" bordercolorlight="#CCCCCC" bordercolordark="#FFFFFF">
<tr bgcolor="#666666">
<td><font color="#FFcc00"><b>标题:<?php echo $title;?></b></font></td>
</tr>
<tr>
<td bgcolor="#eeeeee">作者:<?php echo "$writer";?>(<?php echo $writetime;?>) <a href="javascript:sendmsg('<?php echo "$writer";?>')"><img src="image/icon1.gif" width="18" height="17" alt="给作者留言" border="0"></a> <a href="userinfo.php?name=<?php echo $writer;?>"><img src="image/profile.gif" width="16" height="16" alt="察看用户资料" border="0"></a></td>
</tr>
<tr>
<td bgcolor="#ffffef"><?php echo $cont;?></td>
</tr>
<tr bgcolor="#e8eee0">
<td>※ 来源:<?php echo $jl_forum[chinesename];?> [◆FROM:<?php echo $fromip;?>]</td>
</tr>
</table>
<br>
<?php include"footer.php";?><br>
</body>
</html>