昨天微信提供了新版本的jssdk,这里修改了一下,支持了3.2版本的命令空间,同时添加了调试模式!
debug = true; //启用本地调试模式,将官方的两个json文件放到入口文件index.php同级目录即可!
* $signpackage = $jssdk->getsignpackage();
* @命名空间版本
* @author 阿甘 (qq:33808 624)
* @date 2015-1-10 14:10
*/
namespace com;
class jssdk {
private $appid;
private $appsecret;
public $debug = false;
public function __construct($appid, $appsecret) {
$this->appid = $appid;
$this->appsecret = $appsecret;
}
public function getsignpackage() {
$jsapiticket = $this->getjsapiticket();
$url = http://$_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 $str;
}
private function getjsapiticket() {
//debug模式
if ($this->debug) {
// 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));
} else {
//从cache中读取,基于thinkphp的缓存机制
$data = (object)(s('jsapi_ticket_json'));
}
if ($data->expire_time $accesstoken = $this->getaccesstoken();
$url = http://api.weixin.qq.com/cgi-bin/ticket/getticket?type=1&access_token=$accesstoken;
$res = json_decode($this->httpget($url));
$ticket = $res->ticket;
if ($ticket) {
$data->expire_time = time() + 7200;
$data->jsapi_ticket = $ticket;
//debug模式
if ($this->debug) {
$fp = fopen(jsapi_ticket.json, w);
fwrite($fp, json_encode($data));
fclose($fp);
} else {
//将对象以数组的形式进行缓存
s('jsapi_ticket_json', (array)$data);
}
}
} else {
$ticket = $data->jsapi_ticket;
}
return $ticket;
}
private function getaccesstoken() {
//debug模式
if ($this->debug) {
// 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
$data = json_decode(file_get_contents(access_token.json));
dump($data);
die();
} else {
//从缓存中读取数组并转成对象
$data = (object)(s('access_token.json'));
}
if ($data->expire_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 = $access_token;
//debug模式
if ($this->debug) {
$fp = fopen(access_token.json, w);
fwrite($fp, json_encode($data));
fclose($fp);
} else {
//缓存数组
s('access_token.json', (array)$data);
}
}
} 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_url, $url);
$res = curl_exec($curl);
//错误检测
$error = curl_error($curl);
curl_close($curl);
//发生错误,抛出异常
if($error) throw new \exception('请求发生错误(表检查是否在授权域名下访问):' . $error);
return $res;
}
}
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