微信 getAccessToken方法详解及实例

memcache缓存存储用户信息7000秒<?phpfunctiongetAccessToken($appid,$appsecret){$mem=newCacheMemcache();$ac

memcache缓存存储用户信息7000秒

<?php
function getAccessToken($appid,$appsecret) 
{
 $mem = new CacheMemcache();
 $acc = $mem->get('access_token_'.$appid);
 if (!$acc) 
 {
 $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appsecret";
 $result = https_request($url);
 $jsoninfo = json_decode($result, true);
 $access_token = $jsoninfo['access_token'];
 if ($access_token) 
 {
 $expire = time() + 7000;
 $mem = new CacheMemcache();
 $mem->set('access_token_'.$appid,$access_token,$expire);
 }
 }
 else 
 {
 $access_token = $acc;
 }
 return $access_token;
}
?>

文件存储access_token

 function getAccessToken() {
 // access_token 应该全局存储与更新，以下代码以写入到文件中做示例
 $data = json_decode(file_get_contents("access_token.json"));
 if ($data->expire_time < time()) {
 $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
 $res = json_decode($this->httpGet($url));
 $access_token = $res->access_token;
 if ($access_token) {
 $data->expire_time = time() + 7000;
 $data->access_token = $access_token;
 $fp = fopen("access_token.json", "w");
 fwrite($fp, json_encode($data));
 fclose($fp);
 }
 } else {
 $access_token = $data->access_token;
 }
 return $access_token;
 }

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微信 getAccessToken 微信 getAccessToken方法详解 微信 getAccessToken如何使用