微信的access_token的获取次数是是限制的,不知道我写的代码是不是正确的
//获取微信access_token
function get_access_token(){
$appid = C("APPID");
$appSecret = C("APPSECRET");
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appSecret";
$where = array(
"appid" =>$appid,
"appsecret" =>$appSecret,
);
$res = M("as")->field('expire,accesssecret,timestamp')->where($where)->select();
if(!$res){//当as表里没有数据的时候
dump("!res");
$return = json_decode(curl($url));
$data['appid'] = $appid;
$data['appsecret'] = $appSecret;
$data['expire'] = $return->expires_in;
$data['accesssecret'] = $return->access_token;
$data['timestamp'] = time();
M("as")->add($data);
$token = $data['accesssecret'];
}else if($res[0]['expire']+$res[0]['timestamp']-30 < time()){//当时间过期的时候
dump("time out");
$return = json_decode(curl($url));
$data['expire'] = $return->expires_in;
$data['accesssecret'] = $return->access_token;
$data['timestamp'] = time();
M("as")->where("appid='".$appid."'")->save($data);
$token = $data['accesssecret'];
}else{
$token = $res[0]['accesssecret'];
}
return $token;
}
关于AccessToken
1.每天请求次数为2000次;
2.每个Access_Token有效期为2小时;
存储方案:
NoSQL方案 > 数据库 > 文件管理