我用php+mysql写的留言本

guestbook.php:

<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title></title>
<STYLE>A:link {
        COLOR: #002878; TEXT-DECORATION: none
}
A:visited {
        COLOR: #002878; TEXT-DECORATION: none
}
A:active {
        TEXT-DECORATION: none
}
A:hover {
        COLOR: #cc1111; TEXT-DECORATION: none
}
P {
        COLOR: #002878; FONT-SIZE: 9pt
}
TABLE {
        COLOR: #002878; FONT-SIZE: 9pt
}
LI {
        COLOR: #002878; FONT-SIZE: 9pt; LINE-HEIGHT: 14pt
}
UL {
        COLOR: #002878; FONT-SIZE: 9pt
}

}
</STYLE>
</head>

<body>
<div align="center">
  <center>
  <table border="0" cellpadding="0" cellspacing="0" width="574" height="312">
   </center>
   <tr>
<td><p align="center">高三<6>班留言本本</br></td>
</tr>
    <tr>
      <td width="574" height="272" valign="top">
        <form method="POST" action="ly.php">

          <table border="0" cellpadding="0" cellspacing="0" width="100%">
  <center>
   <tr>
              <td width="26%" align="right">
          姓名：</td>
  <td width="74%"><input style="font-size: 9pt; width: 186; background-color: #f8f8f8; height: 19; border: 1px solid #9a9999"
type="text" name="T1" size="13"></td>
  </tr>
  <tr>
              <td width="26%" align="right">
          EMAIL：</td>
  <td width="74%"><input style="font-size: 9pt; width: 186; background-color: #f8f8f8; height: 19; border: 1px solid #9a9999" name="T2" size="13"></td>
  </tr>
              <tr>
                <td width="26%" align="right">
          个人主页：</td>
                <td width="74%"><input style="font-size: 9pt; width: 186; background-color: #f8f8f8; height: 19; border: 1px solid #9a9999" name="T3" size="13" value="http://"></td>
              </tr>
              <tr>
                <td width="26%" align="right">
          主题：</td>
                <td width="74%"><input style="font-size: 9pt; width: 186; background-color: #f8f8f8; height: 19; border: 1px solid #9a9999" name="T4" size="13"></td>
              </tr>
              <tr>
                <td width="26%" align="right" valign="top">
          留言：</td>
                <td width="74%"><textarea style="font-size: 9pt; width: 313; background-color: #f8f8f8; height: 177; border: 1px solid #9a9999" rows="10" name="S1" cols="45" ></textarea></td>
              </tr>
              <tr>
                <td width="100%" align="right" colspan="2">
                </td>
              </tr>
            </table>
          <p align="center">
                                      <input type="submit" value="提交" name="B1">        <input type="reset" value="重写" name="B2"></p>
        </form>
        </center>
        </td>
    </tr>
  </table>
  <hr size='1' color='#6666FF'>
</div>
<div align="center">
  <center>
  <table border="0" cellpadding="0" cellspacing="0" width="603" height="294">
    <tr>
      <td width="603" height="294">
<?
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:<font color='#000000'>%s</font><br>",$data["name"]);
printf("EMAIL:<font color='#3366FF'>%s</font><br>",$data["mail"]);
printf("个人主页:<font color='#3366FF'>%s</font><br>",$data["url"]);
printf("来自:<font color='#3366FF'>%s</font><br>",$data["ip"]);
printf("留言时间:<font color='#3366FF'>%s</font><br>",$data["time"]);
printf("主题:<font color='#3366FF'>%s</font><br>",$data["title"]);
printf("内容:<font color='#000000'>%s</font><br>",$data["ly"]);
printf("<hr size='1' color='#6666FF'>");
}

//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 "<a href="$PHP_SELF?offset=$preoffset">前一页</a> 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 "<a href="$PHP_SELF?offset=$newoffset">$i</a> n";

}

//检查是否是最后一页
$next = $offset+5;
if ($next<$nr)
{
print "<a href="$PHP_SELF?offset=$next">下一页</a> n";
}
printf("<a href='javascript:history.back()'>返回</a>")
?>
</td>
    </tr>
  </table>
  </center>
</div>
</body>
</html>

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("留言成功！");
  printf("<script language='javascript'>");
  printf("location='guestbook.php'");
  printf("</script>");
  }
else
  {
  echo("留言失败！");
  printf("<a href='javascript:history.back()'>返回</a>");
  }
?>

可到http://xinai.oso.com.cn/class/guesttap.php查看

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