扫描登录 

indexController.class.php

public function scanLogin(){
        $key = I('key','');
        $name = I('name','xiaosu');
        $res = M('scan')->where("keyword = '{$key}'")->find();
        $agent =  $_SERVER ['HTTP_USER_AGENT'];
        $iphone = (stripos ( $agent, 'iphone' )) ? true : false;
    $Android = (stripos ( $agent, 'Android' )) ? true : false;
'.$res['keyword'];exit;
        if($res && $key == $res['keyword'] && ($iphone || $Android)){
            $map['id'] = $res['id'];
            $map['name'] = $name;
            $dr = M('scan')->save($map);
           if(!empty($dr)){
               echo '执行成功';exit;
           }
        }
        $resAgain = M('scan')->where("keyword = '{$key}'")->find();
        if(!empty($resAgain) && !empty($resAgain['name'])){
        $this->ajaxReturn(['msg'=>$resAgain['name'],'state'=>1,'url'=>"http://www.xxxx.cn/index.php/stage/index/sucessLogin?key={$key}"],'json');
            $this->assign('name',$resAgain['name']);
            $this->display('sucess');
        }
        $this->ajaxReturn(['msg'=>'登陆失败','state'=>0],'json');
    }

    public function sucessLogin(){
        $key = I('key','');
        $res = M('scan')->where("keyword = '{$key}'")->find();
        $this->assign('name',$res['name']);
        $this->display('success');
    }
scan.html

<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
</head>
<script type="text/javascript" src="http://<?php echo $_SERVER['SERVER_NAME'].'__ROOT__' ?>/Public/js/jquery.js"></script>
<body>
    <img src="http://qr.liantu.com/api.php?text={$url}" width="300px"/>
    <input hidden="hidden" type="text" name="randnumber" id="randnumber"value="{$key}"/>
</body>
<script>
    $(function(){
//    xmlHttpRequest.onreadystatechange = function(){
//        if(xmlHttpRequest.status == 200 && xmlHttpRequest.readyState ==4){
//            result = xmlHttp.responseText;
//            if(result==true){//username不为空则跳转页面
//                window.location.href='welcome.php';
//            }
//        }
//    };

    function polling(){
        //执行轮询操作
//        var xmlHttpRequest;
//        if(window.XMLHttpRequest){
//            xmlHttpRequest = new XMLHttpRequest();
//        }
//        else{
//            xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
//        }
//        randnumber = document.getElementById('randnumber').value;
//        xmlHttpRequest.open("GET","scanLogin?key="+ randnumber,true);
//        xmlHttpRequest.send();
        $.ajax({
            url:"<?php echo $url ?>",
            type:"GET",
            data:{},
            dataType:'json',
            success:function($data){
                if($data == null || $data.state == 0){
                    var msg = $data.msg;
                    setInterval(polling(),1000);
                }else if($data.state == 1){
                    window.location.href=$data.url;
                }
            }
        })
    }
    setInterval(polling(),1000);
    })
</script>
</html>

 

posted @ 2016-09-09 18:40  伊人世界  阅读(353)  评论(0)    收藏  举报
Fork me on GitHub