ThinkPHP之登录验证

验证方面写的不是很完整，正在完善当中

<?php
/**
 * Created by dreamcms.
 * User: Administrator
 * Date: 2016/9/5
 * Time: 17:15
 */

namespace Admin\Controller;
use Think\Controller;

class LoginController extends  CommonController{

    //视图显示
    public function Login(){
        $this->display();
    }

    /**
     * 登录验证
     */
    public  function Check_Login(){
        //验证码检测
       $names=$_POST['Captcha'];
        if($this->check_verify($names)==false){
            $data['error']=1;
            $data['msg']="验证码错误";
            $this->ajaxReturn($data);
        }
        //用户检测
        $uname=I('post.username');
        $upasswd=I('post.password');
        $map['uname']=$uname;
        $map['state']=1;
        $logins=M('login')->where($map)->find();
        if($logins)
        {
            if($logins['upasswd']!=$upasswd)
            {
                $data['error']=1;
                $data['msg']="密码错误";
                $this->ajaxReturn($data);
            }
            session("admin",$logins);

            var_dump($logins);
           redirect(U('Index/index'));
        }



    }

    /**
     * 验证码生成
     */
    public  function Verifys()
    {
        $config=array(
            'fontSzie'=>30, //验证码字体大小
            'length'=>4,//验证码位数
            'useImgBg'=>true

        );

        $verify=new \Think\Verify($config);
        $verify->useZh=true;

        $verify->zhSet="梦起软件工作室";
        $verify->fontttf='simhei.ttf';
        $verify->entry();

    }

    /**
     * 验证码检测
     */
    public  function check_verify($code,$id="")
    {
        $verify=new \Think\Verify();
        return $verify->check($code,$id);
    }
    /**
     * 退出登录
     */
    public  function out_login(){
        session("admin",null);
        redirect(U('Login/login'));
    }
}

　　前台页面

<html>
<!DOCTYPE html>
<html lang="en" class="no-js">

<head>

    <meta charset="utf-8">
    <title>登录(Login)</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="">

    <!-- CSS -->
    <link rel="stylesheet" href="__PUBLIC__/admin/login/css/reset.css">

    <link rel="stylesheet" href="__PUBLIC__/admin/login/css/style.css">

    <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
    <!--[if lt IE 9]>
    <script src="__PUBLIC__/admin/login/js/html5.js"></script>
    <![endif]-->

</head>
<style>


    * { margin:0; padding:0; }
    body { background:#111; height:100%; }
    img { border:none; }

    #supersized-loader { position:absolute; top:50%; left:50%; z-index:0; width:60px; height:60px; margin:-30px 0 0 -30px; text-indent:-999em; background:url("__PUBLIC__/admin/login/img/progress.gif") no-repeat center center;}

    #supersized {  display:block; position:fixed; left:0; top:0; overflow:hidden; z-index:-999; height:100%; width:100%; }
    #supersized img { width:auto; height:auto; position:relative; display:none; outline:none; border:none; }
    #supersized.speed img { -ms-interpolation-mode:nearest-neighbor; image-rendering: -moz-crisp-edges; }	/*Speed*/
    #supersized.quality img { -ms-interpolation-mode:bicubic; image-rendering: optimizeQuality; }			/*Quality*/

    #supersized li { display:block; list-style:none; z-index:-30; position:fixed; overflow:hidden; top:0; left:0; width:100%; height:100%; background:#111; }
    #supersized a { width:100%; height:100%; display:block; }
    #supersized li.prevslide { z-index:-20; }
    #supersized li.activeslide { z-index:-10; }
    #supersized li.image-loading { background:#111 url("__PUBLIC__/admin/login/img/progress.gif") no-repeat center center; width:100%; height:100%; }
    #supersized li.image-loading img{ visibility:hidden; }
    #supersized li.prevslide img, #supersized li.activeslide img{ display:inline; }


    #supersized img { max-width: none !important }

</style>
<body>

<div class="page-container">
    <h1>梦起工作室后台登录(Login)</h1>
    <form action="{:U('Login/Check_Login')}" method="post">
        <input type="text" name="username" class="username" placeholder="请输入您的用户名！">
        <input type="password" name="password" class="password" placeholder="请输入您的用户密码！">
        <input type="Captcha" class="Captcha" name="Captcha" placeholder="请输入验证码！"><img src="{:U('Login/Verifys')}" width="120" height="43" name="verify" style="position: relative; top: 20px;" />
        <button type="submit" class="submit_button">登录</button>
        <div class="error"><span>+</span></div>
    </form>

</div>

<!-- Javascript -->
<script src="__PUBLIC__/admin/login/js/jquery-1.8.2.min.js" ></script>
<script src="__PUBLIC__/admin/login/js/supersized.3.2.7.min.js" ></script>
<script src="__PUBLIC__/admin/login/js/supersized-init.js" ></script>
<script src="__PUBLIC__/admin/login/js/scripts.js" ></script>

</body>
</html>

　　

 

posted @ 2016-09-09 22:16  尘梦  阅读(6098)  评论(0)    收藏  举报