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in.php
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in.php
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<?php session_start();?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<link href="css/in.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="js/ajax.js"></script>
<title>"田园滋香"系列有机米溯源查询系统</title>
<script type="text/javascript">
if (screen.width < 800)
{
document.write("<meta content='width=device-width, initial-scale=0.7, maximum-scale=1.0, user-scalable=0' name='viewport' />");
}
function jump(){
location.href='register.php';
}
</script>
</head>
<body>
<div id="all">
<div id="head"><a href="index.php">"田园滋香"系列有机米溯源查询系统</a></div>
<div id="menu">
<?php
if(!empty($_SESSION['name'])){
$name=$_SESSION['name'];
include("db/conn.php");
$sql="select * from user where name='$name'";
$query = mysql_query($sql);
$result = mysql_fetch_array($query);
}
?>
<ul>
<li><a href="index.php"><b>首页</b></a></li>
<li><a href="in.php"><b>登录</b></a></li>
<li><a href="message_board.php?page=0"><b>留言板</b></a></li>
<?php
if(!empty($_SESSION['name'])){
if($result[4]=='管理员')
echo "<li><a href='bg_viewrecord.php?page=0'><b>记录</b></a></li>";
}
?>
</ul>
</div>
<div id="info">
<?php
if(!isset($_SESSION['name'])){
echo "<div id='content'>";
echo "<div id='content_1'>";
echo "用户名 ：<input type='text' id='name' /><br/><br/>";
echo "密 码 ：<input type='password' id='password'/><br/><br/>";
echo "</div>";
echo "<div id='content_2'>";
echo "<input id='submit' type='submit' name='submit' value='登录' onclick='login()'/>";
echo "<input id='submit' type='button' value='注册' onclick='jump()'/>";
echo "</div>";
echo "</div>";
}else{
$name=$_SESSION['name'];
include("db/conn.php");
$sql="select * from user where name='$name'";
$query = mysql_query($sql);
$result = mysql_fetch_array($query);
echo "<div id='content'>";
//echo "<form action='login.php' name='login' method='post' onsubmit='return CheckPost()'>";
echo "<div id='content_1'>";
echo "<br/><br/>欢迎：$name";
echo "<br/><br/>用户身份:$result[4]";
echo "<br/><br/><a href='logout.php'>退出登录</a>";
echo "</div>";
echo"</div>";
}
?>
</div>
<div id="footer">
<span>本系统由中山大学花都研究院设计</span>
</div>
</div>
</body>
</html>
<script language="javascript">
function login()
{
var name=document.getElementById("name").value;
var password=document.getElementById("password").value;
if(name=="")
{
alert("用户名不能为空");
document.getElementById("name").focus();
}
else
if(password=="")
{
alert("密码不能为空");
document.getElementById("password").focus();
}
else{
//接收表单的URL地址
var url = "login.php";
//需要POST的值，把每个变量都通过&来联接
var postStr = "name="+ name +"&password="+ password;
//实例化Ajax
//var ajax = InitAjax();
}
ajax_post(postStr,url);
}
</script>