php登录注册
2024-08-28 22:41:08
php 登录注册
注册代码：register.php
<style type="text/css">
form{
width:300px;
background-color:#EEE0E5;
margin-left:300px;
margin-top:30px;
padding:30px;
}
button{
margin-top:20px;
}
</style>
<form method="post">
<label>用户名:<input type="text" name="name"></label>
<br/><br/>
<label>密码:<input type="password" name="pw"></label>
<br/><br/>
<label>再次输入密码:<input type="password" name="repw"></label>
<button type="submit" name="submit">注册</button>
</form>
<?php
$link = mysqli_connect('localhost', 'root', 'root', 'test');
if (!$link) {
die('Could not connect: ' . mysql_error());
}else {
if (isset($_POST['submit'])){
if ($_POST['pw'] == $_POST['repw']){
$query = "insert into user (name,pw) values('{$_POST['name']}','{$_POST['pw']}')";
$result=mysqli_query($link, $query);
header("Location:login.php");
}else {
echo "<script>alert('两次输入密码不一致！')</script>";
}
}
}
?>
登录代码： login.php
<style type="text/css">
form{
width:300px;
background-color:#EEE0E5;
margin-left:300px;
margin-top:30px;
padding:30px;
}
</style>
<form method="post">
<label>用户名:<input type="text" name="name"></label>
<br/><br/>
<label>密码:<input type="password" name="pw"></label>
<br/><br/>
<button type="submit" name="submit">登录</button>
</form>
<?php
$link = mysqli_connect('localhost', 'root', 'root', 'test');
if (!$link){
echo"<script>alert('数据库连接失败！')</script>";
}else {
if (isset($_POST['submit'])){
$query = "select * from user where name = '{$_POST['name']}' and pw = '{$_POST['pw']}'";
$result = mysqli_query($link, $query);
if (mysqli_num_rows($result) == 1){
header("Location:index.php");
}
}
}
?>
<?php
$link = mysqli_connect('localhost', 'root', 'root', 'test');
if (!$link) {
die('Could not connect: ' . mysql_error());
}else {
if (isset($_POST['submit'])){
if ($_POST['pw'] == $_POST['repw']){
$query = "insert into user (name,pw) values('{$_POST['name']}','{$_POST['pw']}')";
$result=mysqli_query($link, $query);
header("Location:login.php");
}else {
echo "<script>alert('两次输入密码不一致！')</script>";
}
}
}
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