php+mysql寫的簡單留言本執行個體代碼

來源:互聯網
上載者:User

guestbook.php:
<head>
<meta http-equiv="Content-Language" c>
<meta http-equiv="Content-Type" c>
<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">
個人首頁:</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">
主題:</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="重寫" 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"];

//判斷位移量參數是否傳遞給了指令碼,如果沒有就使用預設值0

if (empty($offset))

{

$offset=0;

}
//查詢結果(這裡是每頁20條,但你自己完全可以改變它)

//$result=mysql_query("SELECT * from guestbook ORDER BY time desc LIMIT $offset, 5");
$result=mysql_query("SELECT * from guestbook LIMIT $offset, 5");

//顯示返回的5條記錄

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("個人首頁:<font color='#3366FF'>%s</font><br>",$data["url"]);
printf("來自:<font color='#3366FF'>%s</font><br>",$data["ip"]);
printf("留言時間:<font color='#3366FF'>%s</font><br>",$data["time"]);
printf("主題:<font color='#3366FF'>%s</font><br>",$data["title"]);
printf("內容:<font color='#000000'>%s</font><br>",$data["ly"]);
printf("<hr size='1' color='#6666FF'>");
}

//下一步,要寫出到其它頁面的連結

if($offset) //如果位移量是0,不顯示前一頁的連結
{
$preoffset=$offset-5;
print "<a href="$PHP_SELF?offset=$preoffset">前一頁</a> n";
}

//計算總共需要的頁數

$pages=ceil($nr/5); //$pages變數現在包含所需的頁數

for ($i=1; $i <= $pages; $i++)

{

$newoffset=5*$i-5;

print "<a href="$PHP_SELF?offset=$newoffset">$i</a> n";

}

//檢查是否是最後一頁
$next = $offset+5;
if ($next<$nr)
{
print "<a href="$PHP_SELF?offset=$next">下一頁</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("留言失敗!");
printf("<a href='javascript:history.back()'>返回</a>");
}
?>

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