class JSSDK {
private $appId;
private $appSecret;
private $url;//如果是前后端分离,是接口请求,必须自定义当前页面地址 送过来 否则签名错误20190905
public function __construct($appId, $appSecret,$url) {
$this->appId = $appId;
$this->appSecret = $appSecret;
$this->url = $url;
}
public function getSignPackage() {
$jsapiTicket = $this->getJsApiTicket();
// 注意 URL 一定要动态获取,不能 hardcode.如果是前后端分离,是接口请求,必须自定义当前页面地址 否则签名错误20190905
$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
//$url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$url = $this->url;
$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 < $length; $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
$data = json_decode($this->get_php_file("jsapi_ticket.php"));
if ($data->expire_time < 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;
$this->set_php_file("jsapi_ticket.php", json_encode($data));
}
} 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
$data = json_decode($this->get_php_file("access_token.php"));
if ($data->expire_time < 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;
$this->set_php_file("access_token.php", json_encode($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($curl, CURLOPT_TIMEOUT, 500);
// 为保证第三方服务器与微信服务器之间数据传输的安全性,所有微信接口采用https方式调用,必须使用下面2行代码打开ssl安全校验。
// 如果在部署过程中代码在此处验证失败,请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。
curl_setopt($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 $res;
}
private function get_php_file($filename) {
return trim(substr(file_get_contents($filename), 15));
}
private function set_php_file($filename, $content) {
$fp = fopen($filename, "w");
fwrite($fp, "" . $content);
fclose($fp);
}
}
==============接口方法
/**
-
获取jssdk
*/
public function getjssdk(Request $request)
{$requestData = $request->all(); var_dump($requestData);die; $jssdk = new \JSSDK("wxed179f31e9bd43e5", "d1cd540d0********90284e7d3231"); $signPackage = $jssdk->GetSignPackage(); $returnData = Result::getResult(1, "获取成功", $signPackage); return json_encode($returnData);
}
==============前端 // 获取jssdk getJssdk() { //console.log(top.location.href,'999999'); this.myurl.url = top.location.href; getReqData('phone/mail/getjssdk',this.myurl).then(res => { console.log(res); var resdata =res.data; wx.config({ debug: true, appId: resdata.appId, timestamp:resdata.timestamp , nonceStr:resdata.nonceStr , signature:resdata.signature , jsApiList: [ // 所有要调用的 API 都要加到这个列表中 "checkJsApi", 'onMenuShareTimeline', // 分享到朋友圈接口 'onMenuShareAppMessage', // 分享到朋友 'onMenuShareQQ', // 分享到QQ接口 'onMenuShareWeibo', // 分享到微博接口 'openLocation' ] }) wx.ready(function (){ var shareData = { title: '国酒茅台', desc: '国酒茅台已经更名,但是国酒名不虚传,喜欢就多喝,因为,很贵',//这里请特别注意是要去除html link: 'http://tapi.1qibang.cn/qbb_move/webpage/index.html', imgUrl: 'http://pingtai.1qibang.cn/upload/photos/2019/07/31/2dd145a928d50e469a1fea415d9353e4.jpg' }; wx.onMenuShareAppMessage(shareData); }); }) },