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微信(英文名:wechat)是腾讯公司于 2011 年 1 月 21 日推出的一个为智能终端提供即时通讯服务的免费应用程序,微信支持跨通信运营商、跨操作系统平台通过网络快速发送免费语音短信、视频、图片和文字,同时,也可以使用通过共享流媒体内容的资料和基于位置的社交插件 "摇一摇"、"漂流瓶"、"朋友圈"、"公众平台"、"语音记事本" 等服务插件。
小编使用 ajax 实现静态页面也能实现微信分享功能,今天小编给大家分享实现代码,对 js 静态页面微信分享功能感兴趣的朋友参考下本文
微信分享网页的时候,希望分享出来的链接是标题 + 描述 + 缩略图,微信开发代码示例里已提供了方法,但只适用于动态页面。我使用 phpcms 把页面生成了静态文件,示例代码就起不到作用了。在网上找了下,有大神使用 ajax 实现静态页面也能实现微信分享功能,在这里分享给大家。
前台代码:
- <script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js">
- </script>
- <script>
- url = location.href;
- $.ajax({
- type: "get",
- url: "http://xxxxxxxxx/jssdk.php?url=" + url,
- //替换网址,xxx根据自己jssdk文件位置修改
- dataType: "jsonp",
- jsonp: "callback",
- jsonpCallback: "success_jsonpCallback",
- success: function(data) {
- wx.config({
- appId: data.appId,
- timestamp: data.timestamp,
- nonceStr: data.nonceStr,
- signature: data.signature,
- jsApiList: ["onMenuShareTimeline", //分享给好友
- "onMenuShareAppMessage", //分享到朋友圈
- "onMenuShareQQ", //分享到QQ
- "onMenuShareWeibo" //分享到微博
- ]
- });
- },
- error: function(data) {
- alert("连接失败!");
- }
- });
- wx.ready(function() {
- var shareData = {
- title: '标题',
- desc: '简介',
- //这里请特别注意是要去除html
- link: '链接',
- imgUrl: '题图'
- };
- wx.onMenuShareAppMessage(shareData);
- wx.onMenuShareTimeline(shareData);
- wx.onMenuShareQQ(shareData);
- wx.onMenuShareWeibo(shareData);
- });
- </script>
记得把 jquery 的库也加上去,否则 ajax 不会运行
修改服务端文件 jssdk.PHP
- <?php
- $url = $_GET['url'];
- class JSSDK {
- private $appId;
- private $appSecret;
- private $url;
- public function __construct($appId, $appSecret,$url) {
- $this->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();
- // 这里参数的顺序要按照 key 值 ASCII 码升序排序
- $string = "jsapi_ticket=$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() {
- // 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
- $data = json_decode(file_get_contents("jsapi_ticket.json"));
- if ($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;
- $fp = fopen("jsapi_ticket.json", "w");
- fwrite($fp, json_encode($data));
- fclose($fp);
- }
- } else {
- $ticket = $data->jsapi_ticket;
- }
- return $ticket;
- }
- private function getAccessToken() {
- // access_token 应该全局存储与更新,以下代码以写入到文件中做示例
- $data = json_decode(file_get_contents("access_token.json"));
- if ($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;
- $fp = fopen("access_token.json", "w");
- fwrite($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;
- }
- }
- $jssdk = new JSSDK("公众号ID", "公众号密钥",$url);//按照自己的公众号填写
- $signPackage = $jssdk->GetSignPackage();
- $tmp=json_encode(array ('appId'=>$signPackage["appId"],'timestamp'=>$signPackage["timestamp"],'nonceStr'=>$signPackage["nonceStr"],'signature'=>$signPackage["signature"],'url'=>$signPackage["url"]));
- $callback = $_GET['callback'];
- echo $callback.'('.$tmp.')';
- exit;
- ?>
其它的按照动态页面设置即可。
以上所述是小编给大家介绍的 JS 中静态页面实现微信分享功能,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对 phperz 网站的支持!
来源: http://www.phperz.com/article/17/0525/327975.html