从Android中的MS SQL获取并显示图像

Question

我从MS SQL数据库中获取图像（数据类型是图像），我得到的格式如下。

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我试图将其转换为位图图像，我收到错误消息。有人可以帮我解决这个问题吗？

这是用于转换为图像的代码。

byte[] blob = string.getBytes(); 
Bitmap theImage = BitmapFactory.decodeByteArray(blob, 0, blob.length);
imageview.setImageBitmap(theImage);

** String是SQL数据库的图像字段中的数据。

Answer 1

我希望这会有所帮助，在imgByte中你得到的格式很长，如你所示

         String imgByte ="your string in question";

        try{
            byte [] encodeByte= Base64.decode(imgByte,Base64.DEFAULT);
            Bitmap bitmap= BitmapFactory.decodeByteArray(encodeByte, 0, encodeByte.length);
            imageview.setImageBitmap(bitmap);
        }catch(Exception e){
            e.getMessage();

        }

虽然存储即时编码

            Bitmap photo = bitmap;
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            photo.compress(Bitmap.CompressFormat.PNG, 100, bos);
            byte[] bArray = bos.toByteArray();
            String encodedImage = Base64.encodeToString(bArray, Base64.DEFAULT);
            db.upDateConatct(worldPopulation,worldPopulation.getRank(),encodedImage);