class="java">public static String GetImageStr(String imgFilePath) {// 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 byte[] data = null; // 读取图片字节数组 try { InputStream in = new FileInputStream(imgFilePath); data = new byte[in.available()]; in.read(data); in.close(); } catch (IOException e) { e.printStackTrace(); } // 对字节数组Base64编码 BASE64Encoder encoder = new BASE64Encoder(); return encoder.encode(data);// 返回Base64编码过的字节数组字符串 } public static boolean GenerateImage(String imgStr, String imgFilePath) {// 对字节数组字符串进行Base64解码并生成图片 if (imgStr == null) // 图像数据为空 return false; BASE64Decoder decoder = new BASE64Decoder(); try { // Base64解码 byte[] bytes = decoder.decodeBuffer(imgStr); for (int i = 0; i < bytes.length; ++i) { if (bytes[i] < 0) {// 调整异常数据 bytes[i] += 256; } } // 生成jpeg图片 OutputStream out = new FileOutputStream(imgFilePath); out.write(bytes); out.flush(); out.close(); return true; } catch (Exception e) { return false; } }