Use Redis achieve spike function

. 1 <? PHP
 2  $ ID =. 1 ;
 . 3  $ PDO = new new the PDO ( "MySQL: Host = 127.0.0.1; dbname = Test", "the root", "the root" );
 . 4  $ PDO -> Exec ( "the UPDATE` = `` nums` the SET ms_goods`-nums`. 1 the WHERE ID = $ ID " );
 . 5  echo " Miao SHA Success " ;
 . 6  //   queue link list List: Array  
 . 7  // Array: last out
 . 8  // List: advanced first-out 
9 ?>

. 1 <? PHP
 2  //   Stock complex: sufficient amount of concurrency   
. 3  $ R & lt = new new the Redis ();
 . 4  
. 5  $ R & lt -> Connect ( "127.0.0.1", 6379 );
 . 6  
. 7  $ RES = $ R & lt -> RPOP ( "mslist");     // right Right: dequeuing ---> 
. 8  
. 9  IF (! $ RES ) {
 10     echo "oUT of Print" ;
 . 11 } the else {
 12 is      $ ID =. 1 ;
 13 is      $ PDO = new newThe PDO ( "MySQL: Host = 127.0.0.1; dbname = Test", "the root", "the root" );
 14      $ PDO -> Exec ( "the SET ms_goods` the UPDATE` `` nums` = nums` the WHERE-ID. 1 = ID $ " );
 15      echo " Miao SHA Success " ;
 16  }
 . 17  
18 is  //   queue link list List: Array  
 . 19  // Array: last-out
 20 is  // List: FIFO 
21 >?

1 ? < PHP
 2  $ the above mentioned id = 1;   // event the above mentioned id 
3  $ PDO = new new PDO ( "MySQL: Host = 127.0.0.1; dbname = the Test", "root", "root" );
 4  $ NUM = $ PDO -> Query ( "the SELECT *` the FROM ms_goods` the WHERE ID = $ ID ") -> FETCH ();
 . 5  $ the nums = $ NUM [ 'the nums'];   // Stock
 . 6  
. 7  @ stock complex: sufficient amount of concurrency   
. 8  $ R & lt = new new the Redis ();
 . 9  
10  $ R & lt -> Connect ( "127.0.0.1", 6379 );
11 
12 for($i=1;$i<=$nums;$i++){
13    $r->lpush("mslist","$i");  //left   左：入队   ---->
14 }
15 
16 echo "[nums:{$nums}]  list: miaosha start ...";
17 ?>

 1 <?php
 2 $id = 1;
 3 $pdo=new PDO("mysql:host=127.0.0.1;dbname=test","root","root");
 4 $res=$pdo->query("SELECT * FROM `ms_goods` where id = $id")->fetch(PDO::FETCH_ASSOC);
 5 ?>
 6 
 7 <!DOCTYPE html>
 8 <html lang="en">
 9 <head>
10     <meta charset="UTF-8">
11     <title>秒杀功能</title>
12 </head>
13 <body>
14 
15 <center>
16      <h1 of> buying activities, selling, marketing </ h1 of>
 . 17      <div style = "width: 320px; height: 160px; border: 1px Solid #ccc;">
 18 is     <IMG the src = "tel_5.jpg" />
 . 19     </ div>
 20 is     <P> Stock: <PHP? echo  $ RES [ 'the nums'];?> </ P>
 21 is     <Button ID = "msbtn"> spike </ Button>
 22 is </ Center>
 23 is  
24 < / body>
 25 </ HTML>
 26 is  
27 <Script type = "text / JavaScript">
 28      document.getElementById ( 'msbtn').onclick=function(){
29         window.location.href = 'doms.php';
30     }
31 </script>

Use Redis achieve spike function

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