public function get_address_api() {  $APPID=C('APPID');  $SCRETID=C('SCRETID');  if (!isset($_GET['code'])) {    $backurl = $this->get_url();    $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$APPID."&redirect_uri=".urlencode($backurl)."&response_type=code&scope=jsapi_address&state=123#wechat_redirect";    // snsapi_userinfo    Header("Location: $url");    exit;  } else {    $code = $_GET['code'];    $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$APPID."&secret=".$SCRETID."&code=".$code."&grant_type=authorization_code";    $re = file_get_contents($url);    $rearr = json_decode($re,true);    $backurl = $this->get_url();    $openid = $rearr['openid'];    $unionid = $rearr['unionid'];    $asstoken = $rearr['access_token'];    S('jsapi_address_token'.$openid,$asstoken,7200);    $data['appid']=$APPID;    $data['url']=$backurl;    $data['timestamp']=time();    $data['timestamp']= (string)($data['timestamp']);    $data['noncestr']=$this->getRandStr(10);    $data['accesstoken']=$asstoken;    foreach ($data as $k => $v) {      $Parameters[$k] = $v;    }    //簽名步驟一：按字典序排序參數(shù)    ksort($Parameters);    $String = $this->formatBizQueryParaMap($Parameters, false);    $data['addrsign']=SHA1($String);    $this->assign('data',$data);  }  $this->siteDisplay('address_api');}