public class Base64ImageUtils { /** * 将网络图片进行Base64位编码 * * @param imageUrl 图片的url路径,如http://.....xx.jpg * @return */ public static String encodeImgageToBase64URL(URL imageUrl) {// 将图片文件转化为字节
public class Base64ImageUtils {
/**
* 将网络图片进行Base64位编码
*
* @param imageUrl 图片的url路径,如http://.....xx.jpg
* @return
*/
public static String encodeImgageToBase64URL(URL imageUrl) {// 将图片文件转化为字节数组字符串,并对其进行Base64编码处理
ByteArrayOutputStream outputStream = null;
try {
BufferedImage bufferedImage = ImageIO.read(imageUrl);
outputStream = new ByteArrayOutputStream();
ImageIO.write(bufferedImage, "jpg", outputStream);
} catch (MalformedURLException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
// 对字节数组Base64编码
BASE64Encoder encoder = new BASE64Encoder();
return encoder.encode(outputStream.toByteArray());// 返回Base64编码过的字节数组字符串
}
/**
* 将本地图片进行Base64位编码
*
* @param imageFile 图片的url路径,如F:/.....xx.jpg
* @return
*/
public static String encodeImgageToBase64File(File imageFile) {// 将图片文件转化为字节数组字符串,并对其进行Base64编码处理
ByteArrayOutputStream outputStream = null;
try {
BufferedImage bufferedImage = ImageIO.read(imageFile);
outputStream = new ByteArrayOutputStream();
ImageIO.write(bufferedImage, "jpg", outputStream);
} catch (MalformedURLException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
// 对字节数组Base64编码
BASE64Encoder encoder = new BASE64Encoder();
return encoder.encode(outputStream.toByteArray());// 返回Base64编码过的字节数组字符串
}
/**
* 将Base64位编码的图片进行解码,并保存到指定文件夹
*
* @param base64 base64编码的图片信息
*/
public static void decodeBase64ToImage(String base64) {
BASE64Decoder decoder = new BASE64Decoder();
try {
//FileOutputStream write = new FileOutputStream(new File(path + imgName));
byte[] decoderBytes = decoder.decodeBuffer(base64);
ByteArrayInputStream baos = new ByteArrayInputStream(decoderBytes);
baos.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
public static void main(String [] args){
//URL url = null;
//try {
// url = new URL("http:// 001_detail.png");
//} catch (MalformedURLException e) {
// e.printStackTrace();
//}
File file = new File("C:\\\\Users\\\\Administrator\\\\Desktop\\\\contract\\\\Img.jpg");
String encoderStr = Base64ImageUtils.encodeImgageToBase64File(file);
System.out.println(encoderStr);
Base64ImageUtils.decodeBase64ToImage(encoderStr);
}
}