PHP簡單留言本功能的實現(xiàn)代碼
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index.php：
<?php
error_reporting(0); /pic/p>
require_once "conn.php";
$pagesize=5; /pic/p>
$sql="select count(*) from guestlist "; /pic/p>
$result= mysql_query($sql); /pic/p>
$row = mysql_fetch_row($result); /pic/p>
$infoCount =$row[0]; /pic/p>
$pageCount = ceil($infoCount/$pagesize); /pic/每頁的個數(shù)5)
$currpage=empty ($_GET["page"])?1:$_GET["page"]; /pic/p>
if($currpage>$pageCount) /pic/p>
{
$currpage=$pageCount;
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<!--此處添加了bootstrip樣式-->
<link href="../dist/css/bootstrap.min.css" rel="external nofollow" type="text/css" rel="stylesheet" />
<link href="css/index.css" rel="external nofollow" type="text/css" rel="stylesheet" />
<script>
function test(){
var sum;
if(document.frm.title.value==''){
alert('請?zhí)顚憳祟}');
return false;
}else{
sum =document.frm.title.value.length;
if(sum<5 || sum>20){
alert('標題長度 5-20個字符');
return false;
}
}
if(document.frm.username.value==''){
alert('請?zhí)顚懹脩艟W名');
return false;
}
if(document.frm.content.value==''){
alert("請?zhí)顚憙热?quot;);
return false;
}
return true;
}
</script>
</head>
<body>
<p class="content">
<h5 style="color: red;"><?php echo $infoCount;?>條留言</h5><br/>
<ul class="bt">
<li>留言標題</li>
<li>用戶網名</li>
<li>時間</li>
</ul>
<?php /pic/p>
$re= mysql_query("select * from guestlist order by id desc limit ".($currpage-1)*$pagesize.",".$pagesize);
while($row= mysql_fetch_assoc($re)) /pic/p>
{
?>
<ul class="nr">
<li><?php echo $row["title"];?></li>
<li><?php echo $row["username"];?></li>
<li><?php echo $row["addtime"];?></li>
</ul>
<p class="lynr">
<p><strong>留言內容:</strong></p><span><?php echo $row["content"];?></span>
</p>
<?php
}
?>
<hr style="width:800px"/>
<ul class="pagination">
<!--上一頁-->
<?php
for($i=1;$i<=$pageCount;$i++)
{
if($i==$currpage)
{
echo "<li><a href=?page=".($i-1).">?</a></li>";
}
}
?>
<!--數(shù)字頁-->
<?php
for($i=1;$i<=$pageCount;$i++)
{
if($i==$currpage)
{
echo "<li ><a style='background-color:#EEEEEE'>$i</a></li>";
}else{
echo "<li><a href='?page=$i'>$i</a></li>";}
}
?>
<!--下一頁-->
<?php
for($i=1;$i<$pageCount;$i++)
{
if($i==$currpage)
{
echo "<li><a href=?page=".($i+1).">?</a></li>";
}
}
?>
</ul>
<br/>
<ul>
</ul>
<hr/>
<strong style="color:red">發(fā)表留言</strong>
<form action="result.php" method="post" name="frm" onsubmit="return test()">
<table cellpadding="0" cellspacing="0" >
<tr>
<td >留言標題:</td>
<td><input type="text" name="title" autocomplete="off"/></td>
</tr>
<tr>
<td>網名:</td>
<td><input type="text" name="username" autocomplete="off"/></td>
</tr>
<tr>
<td>留言內容:</td>
<td><textarea name="content" cols="42" rows="5" autocomplete="off"/></textarea></td>
</tr>
<tr>
<td></td>
<td><input class="btn" type="submit" name="submit" value="提交"/></td>
</tr>
</table>
</form>
</p>
</body>
</html>
conn.php
<?php
$link = mysql_connect("localhost","root"," ");
mysql_select_db("guestbook");
mysql_query("set names utf-8");
if(!$link){
die("Connection failed: " . mysqli_connect_error());
}
/pic/p>
?>
result.php
<?php
error_reporting(0); /pic/p>
require_once "conn.php";
$title = $_REQUEST['title'];
$username = $_REQUEST['username'];
$content = $_REQUEST['content'];
$content = str_replace("\n","<br>",str_replace(" "," ",$content)); /pic/p>
$week = '星期'.mb_substr( "日一二三四五六",date("w"),1,"utf-8" );
$isok =mysql_query("insert into guestlist(title,username,content,addtime)values('$title','$username','$content','".date("Y-m-d H:i:s")." $week ')");
if($isok)
{
echo "<script>
alert('提交成功');
location.href='index.php';
</script>";
}else {
echo "<script>
alert('提交失敗');
location.href='index.php';
</script>";
}
?>
css/index.css：
body{margin:0;padding:0;}
ul,li{list-style: none;margin:0;padding:0;}
a{text-decoration: none;}
.content{
width:800px;
margin:0 auto;
}
.bt{
width:799px;
height:20px;
text-align: center;
background:#EB9316;
margin:0 0 5px 0;
}
.bt>li{
float:left;
width:265px;
height:20px;
text-align: center;
line-height: 20px;
font-size:13px;
}
.nr{
float:left; /*如果不浮動 后面的lynr會受影響*/
width:799px;
height:20px;
text-align: center;
background:#B9DEF0;
}
.nr>li{
float:left;
width:265px;
height:20px;
text-align: center;
line-height: 20px;
font-size:13px;
}
.lynr{
float:left; /*如果不浮動會 布局會亂*/
width:800px;
margin:1px 0 1px 0;
}
.content p{
width:70px;
height:50px;
float:left;
}
.content span{
display: block;
width:710px;
float:left;
}
td{
width:80px;
padding:5px 0;
/*border: 1px solid #79ABFE;*/
}
td input,textarea{
border: 1px solid #79ABFE;
}
/*tr{
display:block; /*將tr設置為塊體元素 顯示塊狀后 就將其包圍住了 不是一個矩形了
}*/
dist/css/bootstrap.min.css(自己下載)
下載地址：/pic/s/1hrK3Dpq
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