<script>
var imgUrl = '<?php echo G_STATIC_URL; ?>/common/apple_touch_icon_57x57.png';
var lineLink = '求该链接变量代码怎样写';
var descContent = "<?php echo $this->page_title; ?>";
var shareTitle = '<?php echo addcslashes(get_setting('site_name'), "'"); ?>';
var appid = 'wxxxxxxxxxxx';

function shareFriend() {
    WeixinJSBridge.invoke('sendAppMessage',{
                            "appid": appid,
                            "img_url": imgUrl,
                            "img_width": "640",
                            "img_height": "640",
                            "link": lineLink,
                            "desc": descContent,
                            "title": shareTitle
                            }, function(res) {
                            _report('send_msg', res.err_msg);
                            })
}
function shareTimeline() {
    WeixinJSBridge.invoke('shareTimeline',{
                            "img_url": imgUrl,
                            "img_width": "640",
                            "img_height": "640",
                            "link": lineLink,
                            "desc": descContent,
                            "title": shareTitle
                            }, function(res) {
                            _report('timeline', res.err_msg);
                            });
}
function shareWeibo() {
    WeixinJSBridge.invoke('shareWeibo',{
                            "content": descContent,
                            "url": lineLink,
                            }, function(res) {
                            _report('weibo', res.err_msg);
                            });
}
// 当微信内置浏览器完成内部初始化后会触发WeixinJSBridgeReady事件。
document.addEventListener('WeixinJSBridgeReady', function onBridgeReady() {

        // 发送给好友
        WeixinJSBridge.on('menu:share:appmessage', function(argv){
            shareFriend();
            });

        // 分享到朋友圈
        WeixinJSBridge.on('menu:share:timeline', function(argv){
            shareTimeline();
            });

        // 分享到微博
        WeixinJSBridge.on('menu:share:weibo', function(argv){
            shareWeibo();
            });
        }, false);
</script>