Image對象轉Base64碼（java）

/** * 直接輸出圖片為base64碼 * * @param key * @param imageurl * @param width * @param height * @throws IOException * @演算法： * @日期：2015年1月28日 */public void putImage(String key, Image image) throws IOException {    // Image->bufferreImage    BufferedImage bimg = new BufferedImage(image.getWidth(null),            image.getHeight(null), BufferedImage.TYPE_INT_RGB);    Graphics g = bimg.createGraphics();    g.drawImage(image, 0, 0, null);    g.dispose();     // bufferImage->base64    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();    ImageIO.write(bimg, "jpg", outputStream);    BASE64Encoder encoder = new BASE64Encoder();    String base64Img = encoder.encode(outputStream.toByteArray());     // 輸出    this.content = this.content.replace("@{" + key + "}",            "<img src= \"data:image/png;base64," + base64Img + "\"/>");} /** * 直接輸出圖片為base64碼 * * @param key * @param imageurl * @param width * @param height * @演算法： * @日期：2015年1月28日 */public void putImage(String key, Image image, int width, int height)        throws IOException {    // Image->bufferreImage    BufferedImage bimg = new BufferedImage(image.getWidth(null),            image.getHeight(null), BufferedImage.TYPE_INT_RGB);    Graphics g = bimg.createGraphics();    g.drawImage(image, 0, 0, null);    g.dispose();     // bufferImage->base64    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();    ImageIO.write(bimg, "jpg", outputStream);    BASE64Encoder encoder = new BASE64Encoder();    String base64Img = encoder.encode(outputStream.toByteArray());     this.content = this.content.replace("@{" + key + "}",            "<img src= \"data:image/png;base64," + base64Img                    + "\" width=\"" + width + "\" height=\"" + height                    + "\"/>");}

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