functions.php
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define( "appID", "微信公众号appId");
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define( "appsecret", "");
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class JSSDK {
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private $appId;
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private $appSecret;
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public function __construct($appId, $appSecret) {
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$this->appId = $appId;
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$this->appSecret = $appSecret;
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}
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public function getSignPackage() {
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$jsapiTicket = $this->getJsApiTicket();
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$url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
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$timestamp = time();
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$nonceStr = $this->createNonceStr();
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$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";
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$signature = sha1($string);
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$signPackage = array(
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"appId" => $this->appId,
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"nonceStr" => $nonceStr,
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"timestamp" => $timestamp,
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"url" => $url,
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"signature" => $signature,
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"rawString" => $string
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);
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return $signPackage;
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}
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private function createNonceStr($length = 16) {
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$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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$str = "";
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for ($i = 0; $i < $length; $i++) {
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$str .= substr($chars, mt_rand( 0, strlen($chars) - 1), 1);
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}
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return $str;
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}
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private function getJsApiTicket() {
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$data = json_decode(file_get_contents( "wp-token/jsapi_ticket.json"));
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if ($data->expire_time < time()) {
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$accessToken = $this->getAccessToken();
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$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
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$res = json_decode( $this->httpGet($url));
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$ticket = $res->ticket;
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if ($ticket) {
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$data->expire_time = time() + 7000;
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$data->jsapi_ticket = $ticket;
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$fp = fopen( "wp-token/jsapi_ticket.json", "w");
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fwrite($fp, json_encode($data));
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fclose($fp);
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}
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} else {
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$ticket = $data->jsapi_ticket;
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}
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return $ticket;
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}
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public function getAccessToken() {
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$data = json_decode(file_get_contents( "wp-token/access_token.json"));
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if ($data->expire_time < time()) {
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$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
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$res = json_decode( $this->httpGet($url));
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$access_token = $res->access_token;
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if ($access_token) {
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$data->expire_time = time() + 7000;
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$data->access_token = $access_token;
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$fp = fopen( "wp-token/access_token.json", "w");
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fwrite($fp, json_encode($data));
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fclose($fp);
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}
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} else {
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$access_token = $data->access_token;
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}
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return $access_token;
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}
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public function httpGet($url) {
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$curl = curl_init();
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($curl, CURLOPT_TIMEOUT, 500);
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curl_setopt($curl, CURLOPT_URL, $url);
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$res = curl_exec($curl);
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curl_close($curl);
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return $res;
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}
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}
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require_once( "functions.php");
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$jssdk= new JSSDK(appID,appsecret);
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$signPackage = $jssdk->GetSignPackage();
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require_once( 'header.php');
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<a href= "javascript:;">扫一扫</a>
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require_once( 'footer.php');
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<script src= "scripts/jquery/3.1.1/jquery.min.js"></script>
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<script src= "scripts/jweixin-1.0.0.js"></script>
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<script>
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wx.config({
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debug: false,
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appId: '<?php echo $signPackage["appId"];?>',
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timestamp: echo $signPackage[ "timestamp"]; ,
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nonceStr: '<?php echo $signPackage["nonceStr"];?>',
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signature: '<?php echo $signPackage["signature"];?>',
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jsApiList: [
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// 所有要调用的 API 都要加到这个列表中
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"scanQRCode"
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]
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});
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wx.ready( function () {
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// 在这里调用 API
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$(document).on( "click", "a", function(){
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wx.scanQRCode({
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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,
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scanType: [ "qrCode", "barCode"], // 可以指定扫二维码还是一维码,默认二者都有
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success: function (res) {
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//alert(res);
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for(i in res ){
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// alert(i); //获得属性
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alert(i + "---" + res[i]); //获得属性值
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}
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//var result = res.resultStr; // 当needResult 为 1 时,扫码返回的结果
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}
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});
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})
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});
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</script>
网址web.wxticket.com
扣扣:904九九九九八八