微信公众号 jssdk 用法实例
getsignpackage();
?>
appid = $appid;
$this->appsecret = $appsecret;
}
public function getsignpackage() {
$jsapiticket = $this->getjsapiticket();
$protocol = (!empty($_server['https']) && $_server['https'] !== 'off' || $_server['server_port'] == 443) ? https:// : http://;
$url = $protocol$_server[http_host]$_server[request_uri];
$timestamp = time();
$noncestr = $this->createnoncestr();
// 这里参数的顺序要按照 key 值 ascii 码升序排序
$string = jsapi_ticket=$jsapiticket&noncestr=$noncestr×tamp=$timestamp&url=$url;
$signature = sha1($string);
$signpackage = array(
appid => $this->appid,
noncestr => $noncestr,
timestamp => $timestamp,
url => $url,
signature => $signature,
rawstring => $string
);
return $signpackage;
}
private function createnoncestr($length = 16) {
$chars = abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789;
$str = ;
for ($i = 0; $i $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
private function getjsapiticket() {
// jsapi_ticket 应该全局存储与更新，以下代码以写入到文件中做示例
$data = json_decode(file_get_contents(jsapi_ticket.json));
if ($data->expire_time $accesstoken = $this->getaccesstoken();
// 如果是企业号用以下 url 获取 ticket
// $url = https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accesstoken;
$url = https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accesstoken;
$res = json_decode($this->httpget($url));
$ticket = $res->ticket;
if ($ticket) {
$data->expire_time = time() + 7000;
$data->jsapi_ticket = $ticket;
$fp = fopen(jsapi_ticket.json, w);
fwrite($fp, json_encode($data));
fclose($fp);
}
} else {
$ticket = $data->jsapi_ticket;
}
return $ticket;
}
private 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 // 如果是企业号用以下url获取access_token
// $url = https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appid&corpsecret=$this->appsecret;
$url = https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$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 $access_token;
}
private function httpget($url) {
$curl = curl_init();
curl_setopt($curl, curlopt_returntransfer, true);
curl_setopt($curl, curlopt_timeout, 500);
curl_setopt($curl, curlopt_ssl_verifypeer, false);
curl_setopt($curl, curlopt_ssl_verifyhost, false);
curl_setopt($curl, curlopt_url, $url);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}
}
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