先引入微信官方类:
<?php class JSSDK { private $appId; private $appSecret; public function __construct($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 < $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 $data = json_decode(file_get_contents("jsapi_ticket.json")); if ($data->expire_time < 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() + 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 < 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; $fp = fopen("access_token.json", "w"); fwrite($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_URL, $url); $res = curl_exec($curl); curl_close($curl); return $res; } }
在控制文件,添加下面两行代码:
//微信JSAPI $jssdk = new JSSDK(WX_APPID, WX_APPSECRET); $signPackage = $jssdk->GetSignPackage();
模版文件,这样写:
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script> <script> wx.config({ //debug: true, appId: '<?php echo $signPackage["appId"];?>', timestamp: <?php echo $signPackage["timestamp"];?>, nonceStr: '<?php echo $signPackage["nonceStr"];?>', signature: '<?php echo $signPackage["signature"];?>', jsApiList: ['hideOptionMenu','onMenuShareAppMessage','onMenuShareTimeline'] }); wx.ready(function () { //wx.hideOptionMenu(); //分享给朋友 wx.onMenuShareAppMessage({ title: '{$info[share_title]}', desc: '{$info[share_desc]}', link: '{$info[share_url]}', imgUrl: '{$info[share_logo]}', trigger: function (res) { //alert('用户点击发送给朋友'); }, success: function (res) { //alert('已分享'); }, cancel: function (res) { //alert('已取消'); }, fail: function (res) { alert(JSON.stringify(res)); } }); //分享到朋友圈 wx.onMenuShareTimeline({ title: '{$info[share_title]}', link: '{$info[share_url]}', imgUrl: '{$info[share_logo]}', trigger: function (res) { //alert(''); }, success: function (res) { //alert(''); }, cancel: function (res) { //alert(''); }, fail: function (res) { alert(JSON.stringify(res)); } }); }); </script>
最后,附微信官方demo页和示例代码:
http://demo.open.weixin.qq.com/jssdk
http://demo.open.weixin.qq.com/jssdk/sample.zip
需要说明的是,必须微信6.0.2及以上才有效果!
转载请注明:小码农 » 微信最新JSAPI调用方法