参考博客 https://www.cnblogs.com/CHEUNGKAMING/p/5717429.html
https://blog.csdn.net/sh13523149003/article/details/73692699
后台:
class JSSDK {
private $appId;
private $appSecret;
public function __construct($appId, $appSecret) {
$this->appId = $appId;
$this->appSecret = $appSecret;
}
public function getSignPackage() {
$jsapiTicket = $this->getJsApiTicket();
$url = "http://$_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=$nonceStr×tamp=$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();
$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$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()) {
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$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_URL, $url);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}
}
前端
<?php
$appid="你的appid";
$secret="你的secret";
$jssdk = new JSSDK($appid,$secret);
$signPackage = $jssdk->GetSignPackage();
extract(array("signPackage"=>$signPackage));
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>js微信自定义分享标题、链接和图标</title>
<meta name="keywords" content="js微信分享,php微信分享" />
<meta name="description" content="PHP自定义微信分享内容,包括标题、图标、链接等,分享成功和取消有js回调函数。" />
</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:[email protected]
* 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: false,
appId: '<?php echo $appid; ?>',
timestamp: <?php echo $signPackage["timestamp"]; ?>,
nonceStr: '<?php echo $signPackage["nonceStr"]; ?>',
signature: '<?php echo $signPackage["signature"]; ?>',
jsApiList: [
'onMenuShareTimeline',
'onMenuShareAppMessage'
]
});
wx.ready(function() {
wx.onMenuShareTimeline({
title: '张学友表情包',
desc: '在长大的过程中,我才慢慢发现,我身边的所有事,别人跟我说的所有事,那些所谓本来如此,注定如此的事,它们其实没有非得如此,事情是可以改变的。更重要的是,有些事既然错了,那就该做出改变。',
link: 'http://qzds.tianhusheji.com/wechat/add.php', //这里需要注意是配置自己网站域名的 不然找不到或者无效
imgUrl: 'http://qzds.tianhusheji.com/static/index/image/timg.jpeg',//同上
trigger: function (res) {
// 不要尝试在trigger中使用ajax异步请求修改本次分享的内容,因为客户端分享操作是一个同步操作,这时候使用ajax的回包会还没有返回
alert('用户点击分享到朋友圈');
},
success: function (res) {
//这里可以处理分享成功之后做什么处理
},
cancel: function (res) {
alert('已取消');
},
fail: function (res) {
alert(JSON.stringify(res));
}
});
wx.onMenuShareAppMessage({
title: '张学友表情包',
desc: '在长大的过程中,我才慢慢发现,我身边的所有事,别人跟我说的所有事,那些所谓本来如此,注定如此的事,它们其实没有非得如此,事情是可以改变的。更重要的是,有些事既然错了,那就该做出改变。',
link: 'http://www.baidu.com',
imgUrl: 'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1530531714209&di=56d2fe832796e0fe17c65365e89047ba&imgtype=0&src=http%3A%2F%2Fimg.1oc.cn%2F2017%2F12%2F01%2F23-1G020131246-51.jpg',
trigger: function (res) {
// 不要尝试在trigger中使用ajax异步请求修改本次分享的内容,因为客户端分享操作是一个同步操作,这时候使用ajax的回包会还没有返回
alert('用户点击分享给朋友');
},
success: function (res) {
alert('已分享');
},
cancel: function (res) {
alert('已取消');
},
fail: function (res) {
alert(JSON.stringify(res));
}
});
});
</script>
<p style="text-align: center;color:red;font-size:20px;margin-top: 120px"><img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1530531714209&di=56d2fe832796e0fe17c65365e89047ba&imgtype=0&src=http%3A%2F%2Fimg.1oc.cn%2F2017%2F12%2F01%2F23-1G020131246-51.jpg"></p>
</html>