今天早上361模板給大家介紹了《實例分析微信分享網頁鏈接縮略圖不顯示解決方法》。可能很多朋友看得不是很明白,因為沒有代碼,也不知道如何操作,下面361模板就詳細給大家深入介紹一下靜態頁面分享如何帶縮略圖、標題和描述。
首先,我們需要在服務端引入jssdk.php文件
代碼如下:
appId = $appId; $this->appSecret = $appSecret; $this->url = $url; } public function getSignPackage() { $jsapiTicket = $this->getJsApiTicket(); $protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://"; // $url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"; $url =$this->url; $timestamp = time(); $nonceStr = $this->createNonceStr(); // 這里參數的順序要按照 key 值 ASCII 碼升序排序 $string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url"; //這里經常出問題,一般都是這里出現問題,要留意 $signature = sha1($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 應該全局存儲與更新,以下代碼以寫入到文件中做示例 $data = json_decode(file_get_contents("jsapi_ticket.json")); if ($data->expire_time < time()) { $accessToken = $this->getAccessToken(); // 如果是企業號用以下 URL 獲取 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; $fp = fopen("jsapi_ticket.json", "w"); fwrite($fp, json_encode($data)); fclose($fp); } } else { $ticket = $data->jsapi_ticket; } return $ticket; } private function getAccessToken() { // access_token 應該全局存儲與更新,以下代碼以寫入到文件中做示例 $data = json_decode(file_get_contents("access_token.json")); if ($data->expire_time < time()) { // 如果是企業號用以下URL獲取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; $fp = fopen("access_token.json", "w"); fwrite($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_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; } } $jssdk = new JSSDK("APPID", "APPSECRET",$url);//按照自己的公眾號填寫 $signPackage = $jssdk->GetSignPackage(); // var_dump($signPackage); $tmp=json_encode(array ('appId'=>$signPackage["appId"],'timestamp'=>$signPackage["timestamp"],'nonceStr'=>$signPackage["nonceStr"],'signature'=>$signPackage["signature"],'url'=>$signPackage["url"])); $callback = $_GET['callback']; echo $callback.'('.$tmp.')'; exit; ?>將上述文件,上傳到空間后,做第二步。
第二步、靜態頁面js代碼
<script src="https://res.wx.qq.com/open/js/jweixin-1.2.0.js"></script> <script> url = location.href.split('#')[0]; url = encodeURIComponent(url); $.ajax({ type : "get", url : "http://xxxxx.com/jssdk.php?url="+url,//替換網址,xxx根據自己jssdk文件位置修改 dataType : "jsonp", jsonp: "callback", jsonpCallback:"success_jsonpCallback", success : function(data){ wx.config({ debug:false, appId: data.appId, timestamp: data.timestamp, nonceStr: data.nonceStr, signature: data.signature, jsApiList: [ "onMenuShareTimeline", //分享給好友 "onMenuShareAppMessage", //分享到朋友圈 "onMenuShareQQ", //分享到QQ "onMenuShareWeibo" //分享到微博 ] }); }, error:function(data){ alert("連接失敗!"); } }); wx.ready(function (){ var shareData = { title: '更換標題', desc: '更換內容',//這里請特別注意是要去除html link: '更換鏈接', imgUrl: '更換圖片' }; wx.onMenuShareAppMessage(shareData); wx.onMenuShareTimeline(shareData); wx.onMenuShareQQ(shareData); wx.onMenuShareWeibo(shareData); }); </script>到這里通過以上2步就能實現靜態頁面分享帶縮略圖、標題和描述了。快去嘗試看看吧。
上面2個文件懶人下載:
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