根据地址获取网路图片
方法:

try   {byte[] data=ImageService.getImage(path);if(data!=null){Bitmap bitmap=BitmapFactory.decodeByteArray(data, 0, data.length);//构造一张位图imageView.setImageBitmap(bitmap);//完成图片的显示} else {   Toast.makeText(MainActivity.this, R.string.fail, 1).show();}    } catch (Exception e)    {Toast.makeText(MainActivity.this, R.string.imagefail, 1).show();e.printStackTrace();    }