详解vue开发中调用微信jssdk的问题

export default {
  mounted() {
   this.$nextTick(function () {
    this.getConfig()
   })
  },
  data () {
   return {
    detail: [],
   }
  },
  methods: {   
   // 微信分参数
   getConfig() { 
    let url = location.href.split('#')[0] //获取锚点之前的链接
    this.$http.get('/index.php',{
     params: {
      url: url
     }
    }).then(response => {
      let res = response.data;
      this.wxInit(res);
     })
   },
   // 微信分享
   wxInit(res) {
    let url = location.href.split('#')[0] //获取锚点之前的链接 
    let links = url+'#/Food/' + this.$route.params.id;
    let title = this.detail.name + '-嘌呤查';
    let desc = '了解更多知识，请关注“嘌呤查”公众号';
    let imgUrl = this.thumb;
    wx.config({
     debug: false,
     appId: res.appId,
     timestamp: res.timestamp,
     nonceStr: res.nonceStr,
     signature: res.signature,
     jsApiList: ['onMenuShareTimeline', 'onMenuShareAppMessage', 'onMenuShareQQ', 'onMenuShareWeibo', 'onMenuShareQZone']
    });
    wx.ready(function() {
     wx.onMenuShareTimeline({
      title: title, // 分享标题
      desc: desc, // 分享描述
      link: links, // 分享链接
      imgUrl: imgUrl, // 分享图标
      success: function() {
//        alert("分享到朋友圈成功")
       //Toast({
        //message: "成功分享到朋友圈"
       //});
      },
      cancel: function() {
//        alert("分享失败,您取消了分享!")
       //Toast({
        //message: "分享失败,您取消了分享!"
       //});
      }
     });
     //微信分享菜单测试
     wx.onMenuShareAppMessage({
      title: title, // 分享标题
      desc: desc, // 分享描述
      link: links, // 分享链接
      imgUrl: imgUrl, // 分享图标
      success: function() {
       // alert("成功分享给朋友")
//       Toast({
//        message: "成功分享给朋友"
//       });
      },
      cancel: function() {
       // alert("分享失败,您取消了分享!")
//       Toast({
//        message: "分享失败,您取消了分享!"
//       });
      }
     });

     wx.onMenuShareQQ({
      title: title, // 分享标题
      desc: desc, // 分享描述
      link: links, // 分享链接
      imgUrl: imgUrl, // 分享图标
      success: function() {
       // alert("成功分享给QQ")
//       Toast({
//        message: "成功分享到QQ"
//       });
      },
      cancel: function() {
       // alert("分享失败,您取消了分享!")
//       Toast({
//        message: "分享失败,您取消了分享!"
//       });
      }
     });
     wx.onMenuShareWeibo({
      title: title, // 分享标题
      desc: desc, // 分享描述
      link: links, // 分享链接
      imgUrl: imgUrl, // 分享图标
      success: function() {
       // alert("成功分享给朋友")
//       Toast({
//        message: "成功分享到腾讯微博"
//       });
      },
      cancel: function() {
       // alert("分享失败,您取消了分享!")
//       Toast({
//        message: "分享失败,您取消了分享!"
//       });
      }
     });
     wx.onMenuShareQZone({
      title: title, // 分享标题
      desc: desc, // 分享描述
      link: links, // 分享链接
      imgUrl: imgUrl, // 分享图标
      success: function() {
       // alert("成功分享给朋友")
//       Toast({
//        message: "成功分享到QQ空间"
//       });
      },
      cancel: function() {
       // alert("分享失败,您取消了分享!")
//       Toast({
//        message: "分享失败,您取消了分享!"
//       });
      }
     });

    });
    wx.error(function(err) {
     alert(JSON.stringify(err))
    });
   }
  }
 }

// 官方实例，生成wx.config需要的配置信息
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://";
  // 注意这里是重点
  $url = !empty($_GET['url']) ? $_GET['url'] : "$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() {
  // 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, true);
  curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true);
  curl_setopt($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);
 }
}



// 逻辑代码
$appId = '你的appid';
$appSecret = '你的appSecret';
$jssdk = new JSSDK($appId, $appSecret);
$signPackage = $jssdk->GetSignPackage();
echo json_encode($signPackage);