php页面调用微信扫一扫
function.php
<?php define("appID", "微信公众号appId"); define("appsecret", ""); 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(); $string = "jsapi_ticket=$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() { $data = json_decode(file_get_contents("wp-token/jsapi_ticket.json")); if ($data->expire_time < time()) { $accessToken = $this->getAccessToken(); $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken"; $res = json_decode($this->httpGet($url)); $ticket = $res->ticket; if ($ticket) { $data->expire_time = time() + 7000; $data->jsapi_ticket = $ticket; $fp = fopen("wp-token/jsapi_ticket.json", "w"); fwrite($fp, json_encode($data)); fclose($fp); } } else { $ticket = $data->jsapi_ticket; } return $ticket; } public function getAccessToken() { $data = json_decode(file_get_contents("wp-token/access_token.json")); if ($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; $fp = fopen("wp-token/access_token.json", "w"); fwrite($fp, json_encode($data)); fclose($fp); } } else { $access_token = $data->access_token; } return $access_token; } public function httpGet($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; } } ?>
test.php
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | <?php require_once( "functions.php" ); $jssdk= new JSSDK(appID,appsecret); $signPackage = $jssdk->GetSignPackage(); require_once( 'header.php' ); ?> <a href= "javascript:;" >扫一扫</a> <?php require_once( 'footer.php' ); ?> <script src= "scripts/jquery/3.1.1/jquery.min.js" ></script> <script src= "scripts/jweixin-1.0.0.js" ></script> <script> wx.config({ debug: false , appId: '<?php echo $signPackage["appId"];?>' , timestamp: <?php echo $signPackage[ "timestamp" ];?>, nonceStr: '<?php echo $signPackage["nonceStr"];?>' , signature: '<?php echo $signPackage["signature"];?>' , jsApiList: [ // 所有要调用的 API 都要加到这个列表中 "scanQRCode" ] }); wx.ready(function () { // 在这里调用 API $(document). on ( "click" , "a" ,function(){ wx.scanQRCode({ needResult: 1, // 默认为0,扫描结果由微信处理,1则直接返回扫描结果, scanType: [ "qrCode" , "barCode" ], // 可以指定扫二维码还是一维码,默认二者都有 success: function (res) { //alert(res); for (i in res ){ // alert(i); //获得属性 alert(i + "---" + res[i]); //获得属性值 } //var result = res.resultStr; // 当needResult 为 1 时,扫码返回的结果 } }); }) }); </script> |
本文来自博客园,作者:飞龙在生,转载请注明原文链接:https://www.cnblogs.com/flzs/p/13541866.html
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