登陆页面
<body>
<h1>登录页面</h1>
<form action="./dengluchuli.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>
登陆处理
<?php
$uid = $_POST["uid"];
$pwd = $_POST["pwd"];
//1.造连接对象
$db = new MySQLi("localhost","root","123","mydb");
//2.写SQL语句
$sql = "select password from login where username='{$uid}'";
//3.执行
$reslut = $db->query($sql);
//4.取数据
$attr = $reslut->fetch_row();
if($attr[0]==$pwd && !empty($pwd))
{
echo "登录成功！";
}
else
{
echo "登录失败！";
}
注册页面
<body>
<h1>注册页面</h1>
<form action="./zhucechuli.php" method="post">
<div>用户名：<input type="text" name="uid" /></div>
<div>密码：<input type="text" name="pwd" /></div>
<div>姓名：<input type="text" name="name" /></div>
<div><input type="submit" value="注册" /></div>
</form>
</body>
注册处理
<?php
$uid = $_POST["uid"];
$pwd = $_POST["pwd"];
$name = $_POST["name"];
//1.造连接对象
$db = new MySQLi("localhost","root","123","mydb");
//2.写SQL语句
$sql = "insert into login values('{$uid}','{$name}','{$pwd}',0)";
//3.执行
$r = $db->query($sql);
if($r)
{
echo "注册成功！";
}
else
{
echo "注册失败！";
}