留言板

登陆界面：

<form action="loginchuli.php" method="post">
	<div>用户名：<input type="text" name="uid" /></div>
    <div>密码：<input type="text" name="pwd" /></div>
    <input type="submit" value="登录" />
</form>

登录处理：

<?php
session_start();        //开启session
$uid = $_POST["uid"];
$pwd = $_POST["pwd"];

include("../DBDA.php");
$db = new DBDA();

$sql = "select count(*) from yuangong where username='{$uid}' and password = '{$pwd}'";           //审核登录

$z = $db->StrQuery($sql);

if($z == 1)
{
	$_SESSION["uid"] = $uid;
	header("location:main.php");
}
else
{
	header("location:login.php");
}

主界面：

<body>
<br /><br />
<a href="fabu.php">发布信息</a> <a href="tuichu.php">退出系统</a>
<br />
<br />
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
	<td>发送人</td>
    <td>发送时间</td>
    <td>接收人</td>
    <td>信息内容</td>
</tr>
<?php
session_start();

if(empty($_SESSION["uid"]))       //判断uid是否为空（是否先登录此界面）
{
	header("location:login.php");
	exit;
}

$uid = $_SESSION["uid"];

include("../DBDA.php");
$db = new DBDA();


$sql = "select * from liuyan where recever='{$uid}' or recever='suoyou'";

$attr = $db->Query($sql);

foreach($attr as $v)
{
	//处理发送者姓名
	$sqlname = "select Name from yuangong where username='{$v[1]}'";
	$name = $db->StrQuery($sqlname);
	
	//处理接收者姓名
	$jieshou = "";
	if($v[2]=="suoyou")
	{
		$jieshou = "所有人";
	}
	else
	{
		$sqln = "select Name from yuangong where username='{$uid}'";   //显示姓名
		$jieshou = $db->StrQuery($sqln);
	}
	
	echo "<tr>
	<td>{$name}</td>
    <td>{$v[3]}</td>
    <td>{$jieshou}</td>
    <td>{$v[4]}</td>
	</tr>";
}


?>
</table>
</body>

　发布界面：

<body>
<?php
session_start();

if(empty($_SESSION["uid"]))   //判断是否先登录此界面
{
	header("location:login.php");
	exit;
}

$uid = $_SESSION["uid"];
include("../DBDA.php");
$db = new DBDA();

?>
<br /><br />
<a href="main.php">查看信息</a> <a href="tuichu.php">退出系统</a>

<br />
<h2>信息发送</h2>

<form action="fschuli.php" method="post">
<div>接收人：
	<select name="jieshou">
    	<option value="suoyou">所有人</option>
        <?php
			$sql = "select firend from firend where me='{$uid}'";
			$attr = $db->Query($sql);
			
			foreach($attr as $v)
			{
				$sqln = "select Name from yuangong where username='{$v[0]}'";
				$name = $db->StrQuery($sqln);
				
				echo "<option value='{$v[0]}'>{$name}</option>";   //value为登录用户名，$name为登陆者姓名
			}
			
		?>
    </select>
</div>
<br />
<div>
	信息内容：
    <textarea name="neirong">
    </textarea>
</div>
<br />
<div>
	<input type="submit" value="发送" />
    <input type="reset" value="复位" />
</div>
</form>
</body>

　　发布处理：

<?php
session_start();

include("../DBDA.php");
$db = new DBDA();

$jieshou = $_POST["jieshou"];
$neirong = $_POST["neirong"];
$uid = $_SESSION["uid"];
$time = date("Y-m-d H:i:s");   //时间为datetime格式，取当前时间

$sql = "insert into liuyan values('','{$uid}','{$jieshou}','{$time}','{$neirong}',false)";

if($db->Query($sql,0))
{
	header("location:fabu.php");
}
else
{
	echo "发布失败！";
}

　　退出系统：

<?php
session_start();

unset($_SESSION["uid"]);   //清除session
header("location:login.php");

　　

　

　　

posted @ 2016-05-26 16:39  一枚小兵  阅读(100)  评论(0)    收藏  举报