php+mysql写的简单留言本实例代码

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guestbook.PHP:

<metahttp-equiv="Content-Language"c>
<metahttp-equiv="Content-Type"c>



<divalign="center">


<tableborder="0"cellpadding="0"cellspacing="0"width="574"height="312">

<tr>
<td><palign="center">高三<6>班留言本本
</td>
</tr>
<tr>
<tdwidth="574"height="272"valign="top">
<formmethod="POST"action="ly.PHP"> <tableborder="0"cellpadding="0"cellspacing="0"width="100%">

<tr>
<tdwidth="26%"align="right">
姓名:</td>
<tdwidth="74%"><inputstyle="font-size:9pt;width:186;background-color:#f8f8f8;height:19;border:1pxsolid#9a9999"
type="text"name="T1"size="13"></td>
</tr>
<tr>
<tdwidth="26%"align="right">
EMAIL:</td>
<tdwidth="74%"><inputstyle="font-size:9pt;width:186;background-color:#f8f8f8;height:19;border:1pxsolid#9a9999"name="T2"size="13"></td>
</tr>
<tr>
<tdwidth="26%"align="right">
个人主页:</td>
<tdwidth="74%"><inputstyle="font-size:9pt;width:186;background-color:#f8f8f8;height:19;border:1pxsolid#9a9999"name="T3"size="13"value="http://";></td>
</tr>
<tr>
<tdwidth="26%"align="right">
主题:</td>
<tdwidth="74%"><inputstyle="font-size:9pt;width:186;background-color:#f8f8f8;height:19;border:1pxsolid#9a9999"name="T4"size="13"></td>
</tr>
<tr>
<tdwidth="26%"align="right"valign="top">
留言:</td>
<tdwidth="74%"><textareastyle="font-size:9pt;width:313;background-color:#f8f8f8;height:177;border:1pxsolid#9a9999"rows="10"name="S1"cols="45"></td>
</tr>
<tr>
<tdwidth="100%"align="right"colspan="2">
</td>
</tr>
</table>
<palign="center">
<inputtype="submit"value="提交"name="B1"><inputtype="reset"value="重写"name="B2">




</td>
</tr>
</table>
<hrsize='1'color='#6666FF'>

<divalign="center">

<tableborder="0"cellpadding="0"cellspacing="0"width="603"height="294">
<tr>
<tdwidth="603"height="294">
<?
include("connect.rec"); $qh=MysqL_query("SELECTCOUNT()ASrcntFROMguestbook"); $data=MysqL_fetch_array($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
fromguestbookORDERBYtimedescLIMIT$offset,5");
$result=MysqL_query("SELECTfromguestbookLIMIT$offset,5"); //显示返回的5条记录 while($data=MysqL_fetch_array($result))
{
printf("姓名:<fontcolor='#000000'>%s
",$data["name"]);
printf("EMAIL:<fontcolor='#3366FF'>%s
",$data["mail"]);
printf("个人主页:<fontcolor='#3366FF'>%s
",$data["url"]);
printf("来自:<fontcolor='#3366FF'>%s
",$data["ip"]);
printf("留言时间:<fontcolor='#3366FF'>%s
",$data["time"]);
printf("主题:<fontcolor='#3366FF'>%s
",$data["title"]);
printf("内容:<fontcolor='#000000'>%s
",$data["ly"]);
printf("<hrsize='1'color='#6666FF'>");
} //下一步,要写出到其它页面链接 if($offset)//如果偏移量是0,不显示前一页的链接
{
$preoffset=$offset-5;
print"<ahref="$PHP_SELF?offset=$preoffset">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
$i-5; print"<ahref="$PHP_SELF?offset=$newoffset">$in"; } //检查是否是最后一页
$next=$offset+5;
if($next<$nr)
{
print"<ahref="$PHP_SELF?offset=$next">下一页n";
}
printf("<ahref='javascript:history.back()'>返回")
?>
</td>
</tr>
</table>



ly.PHP: <?
include("connect.rec");
$name=$T1;
$mail=$T2;
$url=$T3;
$title=$T4;
$time=date("Y-m-jH:i:s");
$ip=getenv("REMOTE_ADDR");
$ly=$S1; $result=MysqL_query("insertintoguestbook(name,mail,url,ip,time,title,ly)values('$name','$mail','$url','$ip','$time','$title','$ly')");
if($result==1)
{
echo("留言成功!");
printf("<scriptlanguage='javascript'>");
printf("location='guestbook.PHP'");
printf("");
}
else
{
echo("留言失败!");
printf("<ahref='javascript:history.back()'>返回");
}
?>

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