公众号分享获取签名信息

app/wechatapi/controller/Company.php

@@ -47,6 +47,20 @@ class Company extends BaseController
 
     }
 
+    /**
+     * 公众号分享获取签名信息
+     * Author wangfeng
+     * DateTime 2021/07/02 16:00
+     * @return \think\Response
+     */
+    public function wxPackage()
+    {
+        include_once  dirname(dirname(dirname(__DIR__))).'/extend/wxjs_sdk/jssdk.php';
+        $wx_sdk = new \JSSDK('wx46df32c2ccfc177d','cde9bf412f5a0e524c143241daf9a383');
+        $result = $wx_sdk->getSignPackage();
+        return $this->returnJson($result);
+    }
+
 
 
 }

extend/wxjs_sdk/access_token.php

+<?php exit();?>
+{"access_token":"","expire_time":0}

extend/wxjs_sdk/jsapi_ticket.php

+<?php exit();?>
+{"jsapi_ticket":"","expire_time":0}

extend/wxjs_sdk/jssdk.php

+<?php
+
+class JSSDK
+{
+    private $appId;
+    private $appSecret;
+
+    public function __construct($appId, $appSecret)
+    {
+        $this->appId = $appId;
+        $this->appSecret = $appSecret;
+    }
+
+    public function getSignPackage()
+    {
+        $jsapiTicket = $this->getJsApiTicket();
+
+        // 注意 URL 一定要动态获取，不能 hardcode.
+        $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
+        $url = "$protocol$_SERVER[HTTP_HOST]$_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=$nonceStr&timestamp=$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()
+    {
+        $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));
+        }*/
+
+        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
+        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
+        $res = json_decode($this->httpGet($url));
+        $access_token = $res->access_token;
+        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, "<?php exit();?>" . $content);
+        fclose($fp);
+    }
+}
+

extend/wxjs_sdk/sample.php

+<?php
+require_once "jssdk.php";
+$jssdk = new JSSDK("yourAppID", "yourAppSecret");
+$signPackage = $jssdk->GetSignPackage();
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title></title>
+</head>
+<body>
+  
+</body>
+<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
+<script>
+  /*
+   * 注意：
+   * 1. 所有的JS接口只能在公众号绑定的域名下调用，公众号开发者需要先登录微信公众平台进入“公众号设置”的“功能设置”里填写“JS接口安全域名”。
+   * 2. 如果发现在 Android 不能分享自定义内容，请到官网下载最新的包覆盖安装，Android 自定义分享接口需升级至 6.0.2.58 版本及以上。
+   * 3. 常见问题及完整 JS-SDK 文档地址：http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html
+   *
+   * 开发中遇到问题详见文档“附录5-常见错误及解决办法”解决，如仍未能解决可通过以下渠道反馈：
+   * 邮箱地址：weixin-open@qq.com
+   * 邮件主题：【微信JS-SDK反馈】具体问题
+   * 邮件内容说明：用简明的语言描述问题所在，并交代清楚遇到该问题的场景，可附上截屏图片，微信团队会尽快处理你的反馈。
+   */
+  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: [
+      // 所有要调用的 API 都要加到这个列表中
+    ]
+  });
+  wx.ready(function () {
+    // 在这里调用 API
+  });
+</script>
+</html>