熱詞搜尋
阿新 • • 發佈：2019-01-22
<pre name="code" class="php"><h2><span style="white-space:pre"> </span>HTML頁面</h2><pre name="code" class="php"><!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>搜尋關鍵字</title> </head> <body> <center> 關鍵字：<input type="text" name="sou"> <button>搜尋</button> <div></div> </center> </body> </html> <script type="text/javascript" src="../public/jquery.js"></script> <script type="text/javascript"> $(function(){ $("button").click(function(){ var sou = $("input").val(); var url = "a.php"; var data = {'sou':sou}; var str=''; $.get(url,data,function(msg){ if(msg) { for(var i=0;i<msg.length;i++) { str += '<p>'+msg[i]+'</p>'; } $("div").html(str); } },'json'); }); }); </script>
PHP頁面
<?php header("content-type:text/html;charset=utf-8"); //接收引數 $sou = $_GET['sou']; //次數達到10次 $mem->set($sou,$num,0,0); //取出次數 $mem->get($sou); $mem = new Memcache(); $mem->connect('www.liuyang.com',11211); //清空資料 // $mem->flush();die; $num = $mem->get($sou); //判斷是否有熱詞已經存在memcache中 if($num) { $num++; $mem->set($sou,$num,0,0); if($num>=3) { //說明該搜尋條件具備作為熱詞的資格 //熱詞的儲存方式應該是 $mem->set('hot',$data,0,0); //把新的熱詞放入到原來的陣列中 $data = $mem->get('hot'); //判斷熱詞是否已經存在memcache中 if(!in_array($sou, $data)) { $data[] = $sou; //重新儲存 $mem->set('hot',$data,0,0); } $data = $mem->get('hot'); echo json_encode($data); } else { //返回其他的熱詞 $data = $mem->get('hot'); if($data) { echo json_encode($data); } } } else { $mem->set($sou,1,0,0); //返回其他的熱詞 $data = $mem->get('hot'); if($data) { echo json_encode($data); } }