ad

extend/Wechat.php

@@ -187,6 +187,7 @@ class Wechat
 		$this->appsecret = isset($options['appsecret'])?$options['appsecret']:'';
 		$this->debug = isset($options['debug'])?$options['debug']:false;
 		$this->logcallback = isset($options['logcallback'])?$options['logcallback']:false;
+		$this->Cache =Cache::store("Redis");
 	}
 
 	/**
@@ -1092,7 +1093,7 @@ class Wechat
 	 * @return boolean
 	 */
 	protected function setCache($cachename,$value,$expired){
-		return Cache::set($cachename,$value,$expired);
+		return $this->Cache->set($cachename,$value,$expired);
 		//		return false;
 	}
 
@@ -1104,7 +1105,7 @@ class Wechat
 	protected function getCache($cachename){
 		//TODO: get cache implementation
 		//		Cache::get($cachename);
-		return Cache::get($cachename);
+		return $this->Cache->get($cachename);
 	}
 
 	/**
@@ -1115,7 +1116,16 @@ class Wechat
 	protected function removeCache($cachename){
 		//TODO: remove cache implementation
 
-		return Cache::delete($cachename);
+		return $this->Cache->delete($cachename);
+	}
+	/**
+	 * 获取键值失效时间
+	 * @param string $cachename
+	 * @return boolean
+	 */
+	protected function getExpire($cachename){
+		//TODO: remove cache implementation
+		return $this->Cache->ttl($cachename);
 	}
 	/**
 	 * 获取access_token
@@ -1134,13 +1144,15 @@ class Wechat
 		}
 
 		$authname = 'wechat_access_token'.$appid;
-
+		$expire=$this->getExpire($authname);
+		if($expire>0 ||$expire==-1){
 			if ($rs = $this->getCache($authname))  {
 				$this->access_token = $rs;
 				return $rs;
 			}
-
-
+		}else{
+			$this->removeCache($authname);
+		}
 
 
 		$result = $this->http_get(self::API_URL_PREFIX.self::AUTH_URL.'appid='.$appid.'&secret='.$appsecret);