1 /** 2      * Get image from newwork 3      *  4      * @param path 5      *            The path of image 6      * @return byte[] 7      * @throws Exception 8      */ 9     public byte[] getImage(String path) throws Exception {10         URL url = new URL(path);11         HttpURLConnection conn = (HttpURLConnection) url.openConnection();12         conn.setConnectTimeout(5 * 1000);13         conn.setRequestMethod("GET");14         InputStream inStream = conn.getInputStream();15         if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {16             return readStream(inStream);17         }18         return null;19     }20 21     /**22      * Get data from stream23      * 24      * @param inStream25      * @return byte[]26      * @throws Exception27      */28     public static byte[] readStream(InputStream inStream) throws Exception {29         ByteArrayOutputStream outStream = new ByteArrayOutputStream();30         byte[] buffer = new byte[1024];31         int len = 0;32         while ((len = inStream.read(buffer)) != -1) {33             outStream.write(buffer, 0, len);34         }35         outStream.close();36         inStream.close();37         return outStream.toByteArray();38     }39 40     /**41      * 保存文件42      * 43      * @param bm44      * @param fileName45      * @throws IOException46      */47     public void saveFile(byte[] data, String fileName) throws IOException {48         File dirFile = new File(Constant.PATH_PIC);49         if (!dirFile.exists()) {50             dirFile.mkdir();51         }52         File myCaptureFile = new File(Constant.PATH_PIC + fileName);53         BufferedOutputStream bos = new BufferedOutputStream(54                 new FileOutputStream(myCaptureFile));55         Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);56         bitmap.compress(Bitmap.CompressFormat.JPEG, 80, bos);57         bos.flush();58         bos.close();59     }60 61     /**62      * 加载本地图片63      * 64      * @param url65      * @return66      */67     public static Bitmap getLoacalBitmap(String url) {68         try {69             FileInputStream fis = new FileInputStream(url);70             return BitmapFactory.decodeStream(fis); // /把流转化为Bitmap图片71 72         } catch (FileNotFoundException e) {73             e.printStackTrace();74             return null;75         }76     }