<!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>
<h1>登录页面</h1>
<form action="chuli.php" method="post">
<div>用户名：<input type="text" name="uid" /></div>
<div>密码：<input type="password" name="pwd" /></div>
<div><input type="submit" value="登录" /></div>
</form>
</body>
</html>
<?php
$uid = $_POST["uid"];
$pwd = $_POST["pwd"];
$db = new MySQLi("localhost","root","123","mydb");
$sql = "select pwd from users where uid='{$uid}'";
$result = $db->query($sql);
$a = $result->fetch_row();
if(!empty($pwd) && $a[0]==$pwd)
{
//跳转页面
//header("location:main.php");
echo "<script>window.location = 'main.php';</script>";
}
else
{
echo "用户名或密码错误！";
}
<!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>
<h1>人员列表</h1>
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>代号</td>
<td>姓名</td>
<td>性别</td>
<td>民族</td>
<td>生日</td>
<td>操作</td>
</tr>
<?php
$db = new MySQLi("localhost","root","123","mydb");
$sql = "select * from info";
$result = $db->query($sql);
if($result)
{
while($attr = $result->fetch_row())
{
//对性别进行了处理
$sex = $attr[2]?"男":"女";
//对民族进行处理
$sname = "select name from nation where code='{$attr[3]}'";
$nresult = $db->query($sname);
$aname = $nresult->fetch_row();
$nation = $aname[0];
echo "<tr>
<td>{$attr[0]}</td>
<td>{$attr[1]}</td>
<td>{$sex}</td>
<td>{$nation}</td>
<td>{$attr[4]}</td>
<td><a onclick="return confirm('确定要删除么？')" href='shanchu.php?code={$attr[0]}'>删除</a></td>
</tr>";
}
}
?>
</table>
</body>
</html>
<?php
$code = $_GET["code"];
$db = new MySQLi("localhost","root","123","mydb");
$sql = "delete from info where code='{$code}'";
if($db->query($sql))
{
header("location:main.php");
}
else
{
echo "删除失败";
}