微信分享代码实现

//后端PHP实现生成配置信息代码
        $signPackage='';
        if(is_weixin()){
            try {
                $apicfg=\app\plugins\wechat\library\Config::load();
//                var_dump($apicfg);

                if(!empty($apicfg['appid']) && !empty($apicfg['appsecret'])) {
                    $config = [
                        'app_id' => $apicfg['appid'],
                        'secret' => $apicfg['appsecret'],
                        'token' => '',
                        'aes_key' => '',
                        'response_type' => 'array',
                    ];
                    $app = \EasyWeChat\Factory::officialAccount($config);
//                    var_dump($app);
                    $APIs=['checkJsApi','updateAppMessageShareData','updateTimelineShareData'];//scanQRCode
                    $signPackage=$app->jssdk->buildConfig($APIs, $debug = false, $beta = false, $json = true);
                }

            }catch (\Throwable $t)
            {
                exit('微信公众号APPID或公众号AppSecret配置错误，返回错误信息：'.$t->getMessage());
            }
        }
        $this->assign('signPackage', $signPackage);

//前端代码
<script src="https://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script>
<script>
    wx.config(<?php echo $signPackage; ?>);
    // 后端返回签名数据后，前端初始化

    wx.ready(() => {
        // 朋友分享
        wx.updateAppMessageShareData({
            title: '{$seo_title}',
            desc: '',
            link: window.location.href,
            imgUrl: '{:attrUrl($imgUrl,1)}'
        });

        // 朋友圈分享
        wx.updateTimelineShareData({
            title: '{$seo_title}',
            link: window.location.href,
            imgUrl: '{:attrUrl($imgUrl,1)}'
        });
    });

    wx.error((err) => {
        // 可选：将错误显示在页面上（用于移动端调试）
        /*const errorDiv = document.createElement('div');
        errorDiv.style.color = 'red';
        errorDiv.innerHTML = `微信分享配置失败：${JSON.stringify(err, null, 2)}`;
        document.body.prepend(errorDiv);*/

    });
</script>