Leave a message The guestbook I wrote using php+mysql-PHP Tutorial-php.cn

Leave a message The guestbook I wrote using php+mysql

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Release： 2016-07-29 08:34:33

Original

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guestbook.php:

高三<6>班留言本本

姓名：	type="text" name="T1" size="13">
EMAIL：
个人主页：
主题：
留言：

include ("connect.rec");
$qh=mysql_query("SELECT COUNT(*) AS rcnt FROM guestbook");
$data=mysql_fetch_array($qh);
$nr=$data["rcnt"];
//判断偏移量参数是否传递给了脚本，如果没有就使用默认值0
if (empty($offset))
{
$offset=0;
}
//查询结果（这里是每页20条，但你自己完全可以改变它）
//$result=mysql_query("SELECT * from guestbook ORDER BY time desc LIMIT $offset, 5");
$result=mysql_query("SELECT * from guestbook LIMIT $offset, 5");
//显示返回的5条记录
while ($data=mysql_fetch_array($result))
{
printf("姓名:%s
",$data["name"]);
printf("EMAIL:%s
",$data["mail"]);
printf("个人主页:%s
",$data["url"]);
printf("来自:%s
",$data["ip"]);
printf("留言时间:%s
",$data["time"]);
printf("主题:%s
",$data["title"]);
printf("内容:%s
",$data["ly"]);
printf("

");
}
//下一步，要写出到其它页面的链接
if($offset) //如果偏移量是0，不显示前一页的链接
{
$preoffset=$offset-5;
print "前一页 n";
}
//计算总共需要的页数
$pages=ceil($nr/5); //$pages变量现在包含所需的页数
for ($i=1; $i <= $pages; $i++)
{
$newoffset=5*$i-5;
print "$i n";
}
//检查是否是最后一页
$next = $offset+5;
if ($next<$nr)
{
print "下一页 n";
}
printf("返回")
?>

ly.php:
include ("connect.rec");
$name = $T1;
$mail = $T2;
$url = $T3;
$title = $T4;
$time = date( "Y-m-j H:i:s" );
$ip = getenv("REMOTE_ADDR");
$ly = $S1;
$result = mysql_query( "insert into guestbook (name,mail,url,ip,time,title,ly) values ('$name','$mail','$url','$ip','$time','$title' ,'$ly')");
if ($result == 1)
{
echo("Message successfully!");
printf("");
}
else
{
echo("Message failed!");
printf("Return< ;/a>");
}
?>
You can go to http://xinai.oso.com.cn/class/guesttap.php to view
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The above introduces the message book I wrote using php+mysql, including the content of messages. I hope it will be helpful to friends who are interested in PHP tutorials.