1

application/api/controller/Order.php

@@ -19,7 +19,7 @@ use Yansongda\Pay\Exceptions\GatewayException;
 use app\admin\model\transaction\Record;
 use think\Log;
 use addons\shopro\traits\CouponSend;
-
+use think\Cache;
 /**
  * 首页接口
  */
@@ -28,7 +28,7 @@ class Order extends Api
     use CouponSend;
     protected $noNeedLogin = ['callback','test'];
     protected $noNeedRight = ['*'];
-
+    const CACHE_TIME = 5;
     /**
      * 首页
      *
@@ -288,6 +288,14 @@ class Order extends Api
         if (time() > strtotime($warehouse['end'])) {
             $this->error("抢购时间已结束!");
         }
+        //使用redis锁，限制下单
+        $lock_key = $this->request->domain()."_createOrder_".$goods_id;
+        $res = Cache::store('redis')->setnx($lock_key, 1);
+        
+        if (!$res) {
+            $this->error("您的手速太慢了，商品已被抢!");
+        }
+        Cache::store('redis')->expire($lock_key, self::CACHE_TIME);
         //exit();
         $order_amount = $order['pay_amount'];
         $pay_amount = $order_amount;
@@ -338,6 +346,8 @@ class Order extends Api
         $obj = new UserService();
         $obj->userCommission(0, $this->auth->getUserinfo(), $order_sn, $commission);
         
+        Cache::store('redis')->rm($lock_key);
+        
         $this->success("succ");
     }
     /**

application/api/controller/User.php

@@ -62,7 +62,7 @@ class User extends Api
         $account = $this->request->post('account');
         $password = $this->request->post('password');
         $code = $this->request->post('code');
-        if (!$account || !$password) {
+        if (!$account || !$password || !$code) {
             $this->error(__('Invalid parameters'));
         }
         

application/config.php

@@ -183,11 +183,22 @@ return [
     // +----------------------------------------------------------------------
     // | 缓存设置
     // +----------------------------------------------------------------------
+    // 'cache'                  => [
+    //     // 驱动方式
+    //     'type'   => 'File',
+    //     // 缓存保存目录
+    //     'path'   => CACHE_PATH,
+    //     // 缓存前缀
+    //     'prefix' => '',
+    //     // 缓存有效期 0表示永久缓存
+    //     'expire' => 0,
+    // ],
     'cache'                  => [
         // 驱动方式
-        'type'   => 'File',
-        // 缓存保存目录
-        'path'   => CACHE_PATH,
+        'type'   => 'redis',
+        'host'   => '127.0.0.1',
+        'port'   => '6379',
+        'password' => '',
         // 缓存前缀
         'prefix' => '',
         // 缓存有效期 0表示永久缓存

thinkphp/library/think/cache/driver/Redis.php

@@ -184,5 +184,25 @@ class Redis extends Driver
         }
         return $this->handler->flushDB();
     }
+    /**
+     * 设置一个key,如果key存在,不做任何操作.
+     * @param unknown $key
+     * @param unknown $value
+     */
+    public function setnx($name, $value)
+    {
+        $key = $this->getCacheKey($name);
+        return $this->handler->setnx($key, $value);
+    }
+    /**
+     * 设置一个key,如果key存在,不做任何操作.
+     * @param unknown $key
+     * @param unknown $value
+     */
+    public function expire($name, $expire)
+    {
+        $key = $this->getCacheKey($name);
+        return $this->handler->expire($key, $expire);
+    }
 
 }