memcache模拟

来源：互联网发布：淘宝 clarks小公主编辑：程序博客网时间：2024/05/21 09:36
<!DOCTYPE html><html><head lang="en">    <meta charset="UTF-8">    <title></title>    <script src="jquery-2.1.1.min.js"></script></head><body><center>    <table>        <tr>            <td>用户名：</td>            <td><input type="text"/></td>        </tr>        <tr>            <td>手机号码：</td>            <td><input type="text" id="tel"/><span></span></td>        </tr>        <tr>            <td><button>查询</button></td>        </tr>    </table></center></body></html><script>$(function(){    $("button").click(function(){        var obj=$(this);        var tel=$("#tel").val();        var url='http://www.lijian.com/m9/d919a/index.php?tel='+tel;        $.get(url,function(msg){         //alert(msg)//            var str='';//            for(var i= 0;i<msg.length;i++){//                str+='<span>'+msg[i].name+'</span>'//            }            $("span").html(msg);        },'json')    })})</script><?php/** * Created by PhpStorm. * User: Administrator * Date: 2016/9/20 * Time: 9:28 */header("content-type:text/html;charset=utf-8");//$pdo=new PDO('mysql:host=localhost;dbname=test','root','root');//$pdo->exec("set names utf8");//开启缓存$mem=new Memcache();$mem->connect("127.0.0.1",11211);//清除缓存//$mem->flush();die;$tel=$_GET['tel'];//从缓存取出被查询了的次数$num=$mem->get($tel);set_time_limit(0);$url = "http://api.k780.com:88/?app=phone.get&phone=".$tel."&appkey=20900&sign=b07840f44dc8e8c7b08dd44b12032338&format=json";if($num){//已存在    //每一次加一    $num++;    $mem->set($tel,$num);    //再判断次数    if($num>5){        //大于五次取memcache数据        $str=$mem->get('data'.$tel);        echo $str;    }elseif(        //第五次取出的数据放到memcache        $num==5    ){//        $data=$pdo->query("select * from tel WHERE tel='$tel'")->fetchAll(PDO::FETCH_ASSOC);//        $str=json_encode($data);//        $mem->set('data'.$tel,$str);//        echo $str;        $str = file_get_contents($url);        $data = json_decode($str,true);        $operators = $data['result']['operators'];        echo json_encode($operators);    }else{        //直接查输出//        $data=$pdo->query("select * from tel WHERE tel='$tel'")->fetchAll(PDO::FETCH_ASSOC);//        $str=json_encode($data);//        echo $str;        $str = file_get_contents($url);        $data = json_decode($str,true);        $operators = $data['result']['operators'];        echo json_encode($operators);    }}else{    //第一次访问    $mem->set($tel,1);//    $data=$pdo->query("select * from tel WHERE tel='$tel'")->fetchAll(PDO::FETCH_ASSOC);//    echo json_encode($data);    $str = file_get_contents($url);    $data = json_decode($str,true);    $operators = $data['result']['operators'];    echo json_encode($operators);}
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