php检测账号密码是否匹配

php  /  管理员 发布于 7年前   162

PHP检测账号密码是否匹配：

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HTML代码：

<style>    #login{width: 250px;height: 120px;background-color: aquamarine;position: fixed;top: 0px;left: 0px;right: 0px;bottom: 0px;margin: auto;padding:50px;text-align: left;}</style><script type="text/javascript" src="/public/static/js/jquery-3.2.1.js"></script><script type="text/javascript">function rusername(obj){    var username=$(obj).val();    $.post("{:U('Login/lusername')}",{username:username},function(data) {        $("#username").html(data)    })}function rpassword(obj){    var password=$(obj).val();    $.post("{:U('Login/lpassword')}",{username:password},function(data) {        $("#password").html(data)    })}</script><div id="login">    <form action="__ACTION__" method="post">    <p><input name="username" type="text" value="" size="25" placeholder="填写用户名" onblur="rusername(this);"/><br/><span id="username" style="font-size:12px;color:red;"></span></p>    <p><input name="password" type="password" value="" size="25" placeholder="输入密码" onblur="rpassword(this);"/><br/><span id="password" style="font-size:12px;color:red;"></span></p>    <p><input name="submit" type="submit" value="登录"/>        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;        <input name="submit" type="submit" value="注册"/>    </p>    </form></div>

PHP代码：

<?phpnamespace Home\Controller;use Think\Controller;class LoginController extends Controller {    public function login(){        if($_POST){$where['username']=$_POST['username'];$where['password']=md5("php100".$_POST['password']);$users=M('users')->where($where)->select();if($users){    $_SESSION['id']=$users['id'];    $_SESSION['user_shell']=md5($users['username'].$users['password']);    $this->redirect('Index/index');}else{    echo "<script type='text/javascript'>alert('用户名或密码错误');window.history.go(-1);</script>";}        }else{$this->display();        }    }    public function lusername(){        $where['username']=I('username');        $users=M('users')->where($where)->select();        if(!$users){echo "用户名错误";        }    }    public function lpassword(){        $where['password']=I('password');        $users=M('users')->where($where)->select();        if(!$users){echo "密码错误";        }    }}

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