第七十七天上课 PHP留言板的制作

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注册界面 ZhuCe.php

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>注册</title>

<style>
*{margin:0px; padding:0px;}
form
{
    position:absolute;
    left:40%;
    width:220px;
    top:100px;
}
</style>

<?php
if(!empty($_POST[‘ZhuCe‘]))
{
    if(empty($_POST[‘ZhangHao‘])||empty($_POST[‘MiMa‘])||empty($_POST[‘XingMing‘]))
    {
        echo "<script>alert(‘填写的信息不完整‘)</script>";
    }
    else
    {
        $ZhangHao=$_POST[‘ZhangHao‘];
        $MiMa=$_POST[‘MiMa‘];
        $XingMing=$_POST[‘XingMing‘];
        include".././ZZ-function/class/UnionDatabase.php";
        $db=new unionDatabase();
        $sql="insert into YuanGong values (‘$ZhangHao‘,‘$MiMa‘,‘$XingMing‘)";
        $result=$db->query($sql);
        if($result)
        {
            echo"<script>alert(‘恭喜您注册成功‘)</script>";
        }    
        else
        {
            echo"<script>alert(‘注册失败，请检查填写信息‘)</script>";
        }
    }
}
?>

<form action="" method="post">
<h1 align="center">注册</h1><br>
<div>账号:&nbsp;:&nbsp;<input type="text" name="ZhangHao"/></div><br>
<div>密码:&nbsp;:&nbsp;<input type="password" name="MiMa"/></div><br>
<div>姓名:&nbsp;:&nbsp;<input type="text" name="XingMing"/></div><br>
<div align="center">
    <input type="submit" value="确认注册" name="ZhuCe" />
    <input type="button" value="前去登入" onClick="window.location.href=‘DengRu.php‘"/> 
</div>
</form>

登入界面 DengRu.php

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>登入</title>

<style>
*{margin:0px; padding:0px;}
form
{
    position:absolute;
    left:40%;
    width:220px;
    top:100px;
}
</style>

<?php
session_start();
$_SESSION[‘ZhangHao‘]=‘‘;
if(!empty($_POST[‘DengRu‘]))
{
    if(empty($_POST[‘ZhangHao‘])||empty($_POST[‘MiMa‘]))
    {
        echo "<script>alert(‘账号或密码不能为空‘)</script>";
    }
    else
    {
        $ZhangHao=$_POST[‘ZhangHao‘];
        $MiMa=$_POST[‘MiMa‘];
        include".././ZZ-function/class/UnionDatabase.php";
        $db=new unionDatabase();
        $sql="select count(*) from YuanGong Where ZhangHao=‘$ZhangHao‘ and MiMa=‘$MiMa‘";
        $result=$db->query($sql);
        if($result[0][0]==1)
        {
            $_SESSION[‘ZhangHao‘]=$ZhangHao;
            header(‘location:main.php‘);
        }    
        else
        {
            echo"<script>alert(‘用户名或密码不存在‘)</script>";
        }
    }
}
?>

<form action="" method="post">
<h1 align="center">登入</h1><br>
<div>账号:&nbsp;:&nbsp;<input type="text" name="ZhangHao"/></div><br>
<div>密码:&nbsp;:&nbsp;<input type="password" name="MiMa"/></div><br>
<div align="center">
    <input type="submit" value="确认登入" name="DengRu" />
    <input type="button" value="前去注册" onClick="window.location.href=‘ZhuCe.php‘"/> 
</div>
</form>

主界面 main.php

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>留言板</title>

<?php
session_start();
if(empty($_SESSION[‘ZhangHao‘]))
{
    header(‘location:DengRu.php‘);
}
?>
<h1 align="center">留言信息</h1>
<table border="1" width="1000px" align="center" bordercolor="#00FF00">
    <tr align="center">
    <td>发送人</td><td>发送时间</td><td>接收人</td><td>内容</td><td>*</td><td>信息状态</td>
    </tr>
<?php
$ZhangHao=$_SESSION[‘ZhangHao‘];
include".././ZZ-function/class/UnionDatabase.php";
$db=new unionDatabase();
$sql="select MingZi from yuangong where ZhangHao=‘$ZhangHao‘";
$MingZi=$db->queryStr($sql);
$sql="select * from liuyan where JieShouRen in (‘$MingZi‘,‘所有人‘)";
$result=$db->query($sql);
foreach($result as $i)
{
    echo"<tr align=‘center‘>
            <td>$i[1]</td>
            <td>$i[3]</td>
            <td>$i[2]</td>
            <td>$i[4]</td>
            <td><a href=‘XiangQing.php?XuHao=$i[0]‘>查看详情</a></td>
            <td>$i[5]</td>
        </tr>";
}
?>
</table><br>
<div align="center">
    <a href="FaBuXinXi.php">发布信息</a>&nbsp;&nbsp;&nbsp;&nbsp;
    <a href="DengRu.php">退出系统</a>
</div>

查看详情界面 XiangQing.php

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>留言板</title>

<?php
session_start();
if(empty($_SESSION[‘ZhangHao‘]))
{
    header(‘location:DengRu.php‘);
}
?>
<h1 align="center">留言信息</h1>
<table border="1" width="1000px" align="center" bordercolor="#00FF00">
    <tr align="center">
    <td>发送人</td><td>发送时间</td><td>接收人</td><td>内容</td><td>*</td><td>信息状态</td>
    </tr>
<?php
$ZhangHao=$_SESSION[‘ZhangHao‘];
include".././ZZ-function/class/UnionDatabase.php";
$db=new unionDatabase();
$sql="select MingZi from yuangong where ZhangHao=‘$ZhangHao‘";
$MingZi=$db->queryStr($sql);
$sql="select * from liuyan where JieShouRen in (‘$MingZi‘,‘所有人‘)";
$result=$db->query($sql);
foreach($result as $i)
{
    echo"<tr align=‘center‘>
            <td>$i[1]</td>
            <td>$i[3]</td>
            <td>$i[2]</td>
            <td>$i[4]</td>
            <td><a href=‘XiangQing.php?XuHao=$i[0]‘>查看详情</a></td>
            <td>$i[5]</td>
        </tr>";
}
?>
</table><br>
<div align="center">
    <a href="FaBuXinXi.php">发布信息</a>&nbsp;&nbsp;&nbsp;&nbsp;
    <a href="DengRu.php">退出系统</a>
</div>

发布界面 FaBuXinXi.php

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>发布信息</title>

<style>
*{margin:0px; padding:0px;}
form
{
    position:absolute;
    left:40%;
    width:230px;
    top:100px;
}
</style>

<?php
session_start();
if(empty($_SESSION[‘ZhangHao‘]))
{
    header(‘location:DengRu.php‘);
}
else
{
if(!empty($_POST[‘FaBu‘]))
{
    if(empty($_POST[‘JieShouRen‘])||empty($_POST[‘NeiRong‘]))
    {
        echo "<script>alert(‘接收人和内容不能为空‘)</script>";
    }
    else
    {
        $ZhangHao=$_SESSION[‘ZhangHao‘];
        include".././ZZ-function/class/UnionDatabase.php";
        $db=new unionDatabase();
        $sql="select MingZi from yuangong where ZhangHao=‘$ZhangHao‘";
        $FaSongRen=$db->queryStr($sql);
        $JieShouRen=$_POST[‘JieShouRen‘];
        $NeiRong=$_POST[‘NeiRong‘];
        $ZhuangTai=‘未读‘;
        $time=date(‘Y-m-d H:i:s‘,time());
    $sql="insert into liuyan values(‘‘,‘$FaSongRen‘,‘$JieShouRen‘,‘$time‘,‘$NeiRong‘,‘$ZhuangTai‘)";
        $result=$db->query($sql);
        if($result)
        {
            echo"<script>alert(‘发布成功！‘)</script>";
        }
        else
        {
            echo"<script>alert(‘发布失败！‘)</script>";
        }
    }
}
}
?>

<form action="" method="post">
<div align="center">
    <a href="main.php">查看信息</a>&nbsp;&nbsp;&nbsp;&nbsp;
    <a href="DengRu.php">退出系统</a>
</div><br />
<h1 align="center">发布信息</h1><br />
<div>接收人:&nbsp;<input type="text" name="JieShouRen"></div><br />
<div>内容:&nbsp;&nbsp;<textarea name="NeiRong"></textarea></div><br />
<div align="center">
    <input type="submit" name="FaBu" value="确认发布">&nbsp;&nbsp;
    <input type="button" value="清空内容">
</div>
</form>

 

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