String url = imageUrl;

                                WXWebpageObject webpage = new WXWebpageObject();

                                webpage.webpageUrl = GlobalData.getWebSiteUrl()+"/andobj.php?oid="+goodsid;;//分享出去的网页地址

                                WXMediaMessage msg = new WXMediaMessage(webpage);

                                msg.title = goodstitle;//分享的标题

                                msg.description = description;//分享的描述信息

                                //获取网络图片资源

                                Bitmap bmp = BitmapFactory.decodeStream(new URL(url).openStream());

                                //创建缩略图

                                Bitmap thumbBmp = Bitmap.createScaledBitmap(bmp, THUMB_SIZE, THUMB_SIZE, true);

                                bmp.recycle();

                                msg.thumbData = bmpToByteArray(thumbBmp, true);

                                SendMessageToWX.Req req = new SendMessageToWX.Req();

                                req.transaction = String.valueOf(System.currentTimeMillis());

                                req.message = msg;

                                req.scene = SendMessageToWX.Req.WXSceneSession;//分享到微信好友

                                //req.scene = SendMessageToWX.Req.WXSceneTimeline;//分享到微信朋友圈

                                mWxApi.sendReq(req);