base64=“data:image/jpg;base64, /9j/4AAQSkZJRgABAgAAAQABAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0aHBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL”
 把前缀截取后才能正常显示
String encodedImage=modifyInfoBean.getData().getCaptcha();
                    String substring = encodedImage.substring(22);
                    byte[] decodedString = Base64.decode(substring, Base64.DEFAULT);
                    Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
                    captchaIv.setImageBitmap(decodedByte)

https://tool.jisuapi.com/base642pic.html
                
                










