三、网页代码及网页显示
1.denglu.php 登录页面
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
*{ margin:0px auto; padding:0px}
#aa{ width:400px; height:89px; font-size:36px; color:#39F; text-align:center; line-height:89px; vertical-align:middle; border-bottom:1px solid #999}
.bb{ width:400px; height:59px}
.cc{ width:159px; height:59px; float:left; font-size:20px; text-align:right; line-height:59px; vertical-align:middle}
.dd{ width:200px; height:59px; float:left}
.ee{ width:150px; height:30px; text-align:center; margin-top:15px}
.ff{ width:80px; height:30px}
</style>
</head>
<body>
<form action="dengluchuli.php" method="post">
<div style="width:400px; height:259px; margin-top:100px; border:1px solid #999">
<div id="aa">汉企网络0904留言板</div>
<div class="bb">
<div class="cc">用户名：</div>
<div class="dd"><input id="yonghuming" class="ee" type="text" name="uid" /></div>
</div>
<div class="bb">
<div class="cc">密码：</div>
<div class="dd"><input class="ee" type="password" name="pwd" /></div>
</div>
<div style="width:400px; height:50px; text-align:center; margin-top:10px">
<input class="ff" type="submit" value="登录" />
<input class="ff" type="button" value="复位" onclick="Fuwei()" />
</div>
</div>
</form>
</body>
<script type="text/javascript">
function Fuwei()
{
document.getElementById("yonghuming").value = "";
}
</script>
</html>
2.dengluchili.php 登录处理页面
<?php
session_start();
$UserName = $_POST["uid"];
$PassWord = $_POST["pwd"];
include("DBDA.class.php");
$db = new DBDA();
$sql = "select PassWord from yuangong where UserName=‘$UserName‘";
$mm = $db->StrQuery($sql);
if($PassWord !="" && $PassWord==$mm)
{
$_SESSION[‘views‘]=$UserName;
header("location:main.php");
}
else
{
echo "用户名或密码输入错误";
}
3.main.php 主页面，显示所有的信息。
<?php
session_start();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<?php
include("DBDA.class.php");
$db = new DBDA();
$sall = "select count(*) from liuyan";
$total = $db->StrQuery($sall);
include("../page.class.php");
$page = new Page($total,20);
$sql = "select * from liuyan ".$page->limit;
$result = $db->Query($sql);
foreach($result as $v)
{
}
?>
<br />
<div><a href="fabuxinxi.php">发布信息</a> <a href="tuichuchuli.php">退出系统</a></div>
<br />
<table width="50%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>发送人</td>
<td>接收人</td>
<td>发送时间</td>
<td>信息内容</td>
</tr>
<?php
foreach($result as $v)
{
echo "<tr><td>$v[1]</td><td>$v[2]</td><td>$v[3]</td><td>$v[4]</td></tr>";
}
?>
</table>
<?php
echo $page->fpage();//显示表格下方的数据和页面的信息。
if(empty($_SESSION["views"]))
{
header("location:denglu.php");
exit;
}
?>
</body>
</html>
4.fabuxinxi.php 发布信息页面
<?php
session_start();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">
*{ margin:0px; padding:0px}
.aa{ width:300px; height:40px; border:2px solid #999; border-bottom:0px; text-align:center; line-height:40px; vertical-align:middle}
.bb{ width:80px; height:30px}
#text1{ float:left; margin-top:10px; width:150px; height:20px; margin-left:2px}
</style>
</head>
<body>
<form action="fabuxinxichuli.php" method="post" onclick="return true">
<div style="position:relative; left:100px; top:40px">
<div><a href="chakanxinxi.php">查看信息</a> <a href="tuichuchuli.php">退出系统</a></div>
<br />
<div class="aa">
<div style="float:left; width:100px; height:40px; text-align:right">接收人：</div>
<!--<input id="text1" type="text" name="jieshouren" />-->
<select name="jishouren" style="width:100px; height:25px; margin-top:8px; margin-left:-100px">
<option selected="selected">所有人</option>
<?php
include("DBDA.class.php");
$db = new DBDA();
$sql = "select firend from firend";
$result = $db->Query($sql);
foreach($result as $v)
{
echo "<option>$v[0]</option>";
}
?>
</select>
</div>
<div class="aa" style="height:90px">
<div style="float:left; width:100px; height:90px; text-align:right; line-height:90px; vertical-align:middle">信息内容：</div>
<div style="text-align:left"><textarea id="text2" name="xinxineirong" style="margin-top:4px; height:80px"></textarea></div>
</div>
<div class="aa" style="border-bottom:2px solid #999">
<input class="bb" type="submit" value="发送" />
<input class="bb" type="button" value="复位" onclick="Fuwei()" />
</div>
</div>
</form>
<?php
if(empty($_SESSION["views"]))
{
header("location:denglu.php");
}
?>
</body>
<script type="text/javascript">
function Fuwei()
{
document.getElementById("text1").value = "";
document.getElementById("text2").value = "";
}
</script>
</html>
5.fabuxinxichuli.php 发布信息处理页面
<?php
session_start();
$fasongren = $_SESSION[‘views‘];
$time = date("Y-m-d h:i:s");
$jieshouren = $_POST["jieshouren"];
$xinxineirong = $_POST["xinxineirong"];
include("DBDA.class.php");
$db = new DBDA();
$sql ="insert into liuyan values(‘‘,‘{$fasongren}‘,‘{$jieshouren}‘,‘{$time}‘,‘{$xinxineirong}‘)";
$db->Query($sql,0);
if(empty($_SESSION["views"]))
{
header("location:denglu.php");
}
else
{
header("location:main.php");
}
6.chakanxinxi.php 只显示和登陆者有关系的信息
<?php
session_start();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<?php
$sender = $_SESSION[‘views‘];
$Recever = $_SESSION[‘views‘];
include("DBDA.class.php");
$db = new DBDA();
$sall = "select count(*) from liuyan";
$total = $db->StrQuery($sall);
include("../page.class.php");
$page = new Page($total,20);
$sql = "select * from liuyan where Sender=‘$sender‘ or Recever=‘$Recever‘ ".$page->limit;
$result = $db->Query($sql);
foreach($result as $v)
{
}
?>
<br />
<div><a href="fabuxinxi.php">返回</a></div>
<br />
<table width="50%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>发送人</td>
<td>接收人</td>
<td>发送时间</td>
<td>信息内容</td>
</tr>
<?php
foreach($result as $v)
{
echo "<tr><td>$v[1]</td><td>$v[2]</td><td>$v[3]</td><td>$v[4]</td></tr>";
}
?>
</table>
<?php
echo $page->fpage();//显示表格下方的数据和页面的信息。
if(empty($_SESSION["views"]))
{
header("location:denglu.php");
exit;
}
?>
</body>
</html>
7.tuichuchuli.php 退出系统，清空session。
<?php
session_start();
unset($_SESSION);
session_destroy();
header("location:denglu.php");
时间： 2024-10-12 02:58:02