php 用户登陆身份验证代码
我们来看看html代码
<form action="login.php" >
<input type="text" name="username">
<input type="text" name="password">
<input type="submit" name="password" value="提交">
</form>
<?php $uname=$_POST["username"]; $pwd=$_POST["password"]; $link = mysql_connect('localhost', 'root', '123456') or die('Could not connect: ' . mysql_error()); mysql_select_db('ruida') or die('Could not select database'); // 执行 SQL 查询 $query = "SELECT * FROM user where uid='$uname'"; $result = mysql_query($query) or die('Query failed: ' . mysql_error()); while($row=mysql_fetch_array($result)){ if($pwd==$row['password']) { header("location:http://www.phprm.com"); } else echo 'error!';} // 释放结果集 mysql_free_result($result); // 关闭连接 mysql_close($link); ?>
教程地址:http://www.phprm.com/code/6de60437837d791707a7fb2afeee1042.html
欢迎转载!但请带上文章地址^^