学步园

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function shareFriend() {
    WeixinJSBridge.invoke('sendAppMessage',{
                            //"appid":window.shareData.appid,
                            "img_url":window.shareData.imgUrl,
                            "img_width":"640",
                            "img_height":"640",
                            "link":window.location.href,
                            "desc":'描述',
                            "title":'标题',
                            }, function(res) {
                            _report('send_msg', res.err_msg);
                            })
}
function shareTimeline() {
    WeixinJSBridge.invoke('shareTimeline',{
                            "img_url":window.shareData.imgUrl,
                            "img_width":"640",
                            "img_height":"640",
                            "link":window.location.href,
                            "desc": '描述',
                            "title": '标题',
                            }, function(res) {
                            _report('timeline', res.err_msg);
                            });
}
function shareWeibo() {
    WeixinJSBridge.invoke('shareWeibo',{
                            "content":window.shareData.wContent,
                            "url":window.shareData.wLink,
                            }, 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)
更多学习：http://blog.wpjam.com/m/weixinjsbridge/
原文链接：http://blog.csdn.net/shiyuezhong/article/details/11614019  感谢分享