1.guestbook.php（留言程序）
<html>
<head>
<script language="JavaScript">
<!--
<!--
var hellotext="为了您的最佳浏览效果请您使用IE4.0以上的版本和800*600分辨率"
var thetext=""
var started=false
var step=0
var times=1
function welcometext()
{
times--
if (times==0)
{
if (started==false)
{
started = true;
window.status = hellotext;
setTimeout("anim()",1);
}
thetext = hellotext;
}
}
function showstatustext(txt)
{
thetext = txt;
setTimeout("welcometext()",4000)
times++
}
function anim()
{
step++
if (step==7) {step=1}
if (step==1)
{window.status='>==='+thetext+'===<'}
if (step==2)
{window.status='=>=='+thetext+'==<='}
if (step==3)
{window.status='>=>='+thetext+'=<=<'}
if (step==4)
{window.status='=>=>'+thetext+'<=<='}
if (step==5)
{window.status='==>='+thetext+'=<=='}
if (step==6)
{window.status='===>'+thetext+'<==='}
setTimeout("anim()",200);
}
// -->
welcometext();
function MM_jumpMenu(targ,selObj,restore){ //v3.0
eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;
}
//-->
</script>
<title>天地网络留言版</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<style type="text/css">
<!--
a:link { font-size: 9pt; color: #FFFFFF}
-->
</style>
<body>
<?
$PAGESIZE=5;
$db=mysql_connect("localhost","root","");
mysql_select_db("lyanban",$db);
$result=mysql_query("SELECT * FROM message order by date desc",$db);
$rowcount=mysql_num_rows($result);
$PAGES=CEIL($rowcount/$PAGESIZE);
if($rowcount==0)
{echo "目前没有留言！<a href=guestbook.htm>欢迎您留言！</a>";}
if($rownum == "")
{
$rownum = 1;
}
$AA=CEIL($rownum/5);
$i=0 ;
echo "<TABLE WIDTH=100%><td><div align=center><font size=2 color=#000000><B>共有留言：$rowcount 条 共：$PAGES 页 <right>现在是第 $AA 页</right></B></font></div></td>";
echo "<hr size=1 color=#ccccff width=75%>";
while ($myrow=mysql_fetch_array($result)){
$i++;
if(($i>=$rownum)&&($i<$rownum+5)){
echo "<table width=75% border=1 cellspacing=0 cellpadding=0 align=center bordercolordark=#FFFFFF bordercolorlight=#000000 background=15.JPG>";
echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>姓 名</font></div></td><td width=85%><font size=2 color=#FFFFFF>$myrow[username]</font></td></tr>";
echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>电子信箱</font></div></td><td width=85%><font size=2 color=#FFFFFF><a href="mailto:$myrow[email]">$myrow[email]</font></a></td></tr>";
echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>公司主页</font></div></td><td width=85%><font size=2 color=#FFFFFF><a href=$myrow[homepage] target=_blank>$myrow[homepage]</font></a></td></tr>";
echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>留言主题</font></div></td><td width=85%><font size=2 color=#FFFFFF>$myrow[topic]</font></td></tr>";
echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>留言内容</font></div></td><td width=85%><font size=2 color=#FFFFFF>$myrow[content]</font></td></tr>";
echo "<tr><td width=15%><div align=center><font size=2 color=#FFFFFF>留言时间</font></div></td><td width=85%><font size=2 color=#FFFFFF>$myrow[date]</font></td></tr>";
echo "</table><hr size=1 color=#ccccff width=75%>";}
}
echo "<table width=100%><tr><td width=87%>";
#判断是否有上一页或下一页（10行换页）
echo "<form name="hiddenform" method="post" action="guestbook.php">";
echo "<div align=center><input type="hidden" name="rownum" value="">";
echo "<input type="hidden" name="rowcount" value="$rowcount">";
#显示上一页
if ($rownum>=5)
echo "<input type="submit" value="上一页" onclick="document.hiddenform.rownum.value=".($rownum-5)."">";
#显示下一页
if ($rownum+5<=$rowcount) {
echo "<input type="submit" value="下一页" onclick="document.hiddenform.rownum.value=".($rownum+5).""></div>";
}
echo "</form>";
echo "</td>";
echo "</tr>";
echo "</table>";
echo "<table width=100% ><tr><td><div align=center><font color=#ffffff size=2><a href=guestbook.htm>返回继续发言</a></font></div></td></tr></table>";
?>
</body>
</html>
2.show.php3（显示程序）
?
$username = htmlspecialchars(ltrim(stripslashes (trim($name))));// 本函式可去掉字串中的反斜线空格字元
$email = htmlspecialchars(ltrim(stripslashes (trim($email))));
$homepage = htmlspecialchars(ltrim(stripslashes (trim($homepage))));
$topic = htmlspecialchars(ltrim(stripslashes (trim($topic))));
$content = htmlspecialchars(ltrim(stripslashes (trim($content))));
// $content=base64_encode($content);
//send email
// if ($ok) mail($email,$topic,$content);
if (($username=="")or($topic=="")or(strlen($username)>20)or(strlen($topic)>20))
{echo "请填写必要的项目或着非法用户名！<a href=javascript:history.go(-1);>返回</a>";
}
//wrong email ?
elseif (($email!="")and(!eregi("^[_.0-9a-z-]+@([0-9a-z][0-9a-z-]+.)+[a-z]{2,3}$",$email)))
{
echo "请您填写正确的 E-Mail 地址</p><p align=center><a href=javascript:history.go(-1);>返回</a>";
}
//wrong homepage ?
elseif (($homepage!="")and(!eregi("(http://)+[0-9a-z-]+.([0-9a-z-]+.)+[a-z]{2,3}$",$homepage)))
{echo "主页地址输入错误!<a href=javascript:history.go(-1);>返回</a>";}
else{
//联接数据库
mysql_connect("localhost","root","");
mysql_select_db("lyanban");
$sql="select password from tb where username='$username'";
$result=mysql_query($sql);
$nums=mysql_num_rows($result);
if($nums!=1){
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