Android本地图片上传(拍照+相册)

本文demo下载：wisdomdd.cn 本实例主要功能包含: android 选择照片/拍照上传图片到服务器源码, 图片上传过程中显示上传进度条, 包含服务器端接收文件处理的代码, 后台语言为C#, 实例下载可以直接运行

运行效果图:

Android端代码

MainActivity:

public class MainActivity extends Activity implements OnClickListener,      OnUploadProcessListener {   private static final String TAG = "uploadImage";   private File file = null;   /**    * 去上传文件    */   protected static final int TO_UPLOAD_FILE = 1;   /**    * 上传文件响应    */   protected static final int UPLOAD_FILE_DONE = 2; //   /**    * 选择文件    */   public static final int TO_SELECT_PHOTO = 3;   /**    * 上传初始化    */   private static final int UPLOAD_INIT_PROCESS = 4;   /**    * 上传中    */   private static final int UPLOAD_IN_PROCESS = 5;   /**    * 上传完毕    */   private static final int UPLOAD_END_PROCESS = 6;    /***    * 这里的这个URL是我服务器的javaEE环境URL    */   private static String requestURL = WelcomeActivity.ServerUrl         + "ajax/admin/ProPicUpload.ashx";        private Button selectButton, uploadButton;   private ImageView imageView;   private TextView uploadImageResult;   private ProgressBar progressBar;    private String picPath = null;   //private ProgressDialog progressDialog;    /** Called when the activity is first created. */   @Override   public void onCreate(Bundle savedInstanceState) {      super.onCreate(savedInstanceState);      setContentView(R.layout.main);      initView();   }    /**    * 初始化数据    */   private void initView() {      selectButton = (Button) this.findViewById(R.id.selectImage);      uploadButton = (Button) this.findViewById(R.id.uploadImage);      selectButton.setOnClickListener(this);      uploadButton.setOnClickListener(this);      imageView = (ImageView) this.findViewById(R.id.imageView);      uploadImageResult = (TextView) findViewById(R.id.uploadImageResult);      //progressDialog = new ProgressDialog(this);      progressBar = (ProgressBar) findViewById(R.id.progressBar1);   }    @Override   public void onClick(View v) {      switch (v.getId()) {      case R.id.selectImage:         Intent intent = new Intent(this, SelectPicActivity.class);         startActivityForResult(intent, TO_SELECT_PHOTO);         break;      case R.id.uploadImage:         if (picPath != null) {            uploadImageResult.setText("正在上传中...");            //progressDialog.setMessage("正在上传文件...");            //progressDialog.show();            handler.sendEmptyMessage(TO_UPLOAD_FILE);                   } else {            Toast.makeText(this, "上传的文件路径出错", Toast.LENGTH_LONG).show();         }         break;      default:         break;      }   }    @Override   protected void onActivityResult(int requestCode, int resultCode, Intent data) {       if (resultCode == Activity.RESULT_OK) // TO_SELECT_PHOTO)      {         picPath = data.getStringExtra(SelectPicActivity.KEY_PHOTO_PATH);         Log.i(TAG, "最终选择的图片1=" + picPath);         Bitmap bm = BitmapFactory.decodeFile(picPath);         imageView.setImageBitmap(bm);         // ContentResolver resolver = getContentResolver();         // Bitmap bm = MediaStore.Images.Media.getBitmap(resolver,         // data.getData());      }      super.onActivityResult(requestCode, resultCode, data);   }    /**    * 上传服务器响应回调    */   @Override   public void onUploadDone(int responseCode, String message) {      //progressDialog.dismiss();      Message msg = Message.obtain();      msg.what = UPLOAD_FILE_DONE;      msg.arg1 = responseCode;      msg.obj = message;      handler.sendMessage(msg);   }    private class UpdateImageThread extends Thread {      @Override      public void run() {         toUploadFile();      }   };    private void toUploadFile() {      if (picPath != null) {         String fileKey = "Filedata";         UploadUtil uploadUtil = UploadUtil.getInstance();         uploadUtil.setOnUploadProcessListener(this); // 设置监听器监听上传状态         Map params = new HashMap();         params.put("type", "android");         //uploadUtil.uploadFile(picPath, fileKey, requestURL, params);         //uploadUtil.uploadFile(file, fileKey, requestURL, params);         try {            @SuppressWarnings("static-access")            String s = uploadUtil.uploadSubmit(requestURL, params,                  new File(picPath), fileKey);            Log.e("s=", s);            //progressDialog.hide();                         Message msg = Message.obtain();            msg.what = UPLOAD_END_PROCESS;            msg.obj=s;            handler.sendMessage(msg);            //UPLOAD_END_PROCESS         } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();            //uploadImageResult.setText("上传失败");         }      }   }    @SuppressLint("HandlerLeak")   private Handler handler = new Handler() {      @Override      public void handleMessage(Message msg) {         switch (msg.what) {         case TO_UPLOAD_FILE:            // toUploadFile();            new UpdateImageThread().start();            break;         case UPLOAD_INIT_PROCESS:            progressBar.setMax(msg.arg1);            break;         case UPLOAD_IN_PROCESS:            Log.e("setProgress", msg.arg1 + "%");             progressBar.setProgress(msg.arg1);            uploadImageResult.setText(msg.arg1 + "%");            break;         case UPLOAD_FILE_DONE:            String result = "响应码：" + msg.arg1 + "\n响应信息：" + msg.obj                  + "\n耗时：" + UploadUtil.getRequestTime() + "秒";            uploadImageResult.setText(result);            break;         case UPLOAD_END_PROCESS:            uploadImageResult.setText("上传成功");            String imageUrl = msg.obj.toString();            Intent lastIntent = getIntent();            lastIntent.putExtra("url", imageUrl);            setResult(Activity.RESULT_OK, lastIntent);            finish();            break;         default:            break;         }         super.handleMessage(msg);      }    };    @Override   public void onUploadProcess(int uploadSize) {      Message msg = Message.obtain();      msg.what = UPLOAD_IN_PROCESS;      msg.arg1 = uploadSize;      handler.sendMessage(msg);   }    @Override   public void initUpload(int fileSize) {      Message msg = Message.obtain();      msg.what = UPLOAD_INIT_PROCESS;      msg.arg1 = fileSize;      handler.sendMessage(msg);   } }

/** *  * 上传工具类 *  * @author spring sky
 *         Email :vipa1888@163.com
 *         QQ: 840950105
 *         支持上传文件和参数 */public class UploadUtil {   private static UploadUtil uploadUtil;   private static final String BOUNDARY = UUID.randomUUID().toString(); // 边界标识                                                         // 随机生成   private static final String PREFIX = "--";   private static final String LINE_END = "\r\n";   private static final String CONTENT_TYPE = "multipart/form-data"; // 内容类型    private UploadUtil() {    }    /**    * 单例模式获取上传工具类    *     * @return    */   public static UploadUtil getInstance() {      if (null == uploadUtil) {         uploadUtil = new UploadUtil();      }      return uploadUtil;   }    private static final String TAG = "UploadUtil";   private int readTimeOut = 10 * 1000; // 读取超时   private int connectTimeout = 10 * 1000; // 超时时间   /***    * 请求使用多长时间    */   private static int requestTime = 0;    private static final String CHARSET = "utf-8"; // 设置编码    /***    * 上传成功    */   public static final int UPLOAD_SUCCESS_CODE = 1;   /**    * 文件不存在    */   public static final int UPLOAD_FILE_NOT_EXISTS_CODE = 2;   /**    * 服务器出错    */   public static final int UPLOAD_SERVER_ERROR_CODE = 3;   protected static final int WHAT_TO_UPLOAD = 1;   protected static final int WHAT_UPLOAD_DONE = 2;    /**    * android上传文件到服务器    *     * @param filePath    *            需要上传的文件的路径    * @param fileKey    *            在网页上 xxx就是这里的fileKey    * @param RequestURL    *            请求的URL    */   public void uploadFile(String filePath, String fileKey, String RequestURL,         Map param) {      if (filePath == null) {         sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE, "文件不存在");         return;      }      try {         File file = new File(filePath);         uploadFile(file, fileKey, RequestURL, param);      } catch (Exception e) {         sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE, "文件不存在");         e.printStackTrace();         return;      }   }    /**    * android上传文件到服务器    *     * @param file    *            需要上传的文件    * @param fileKey    *            在网页上 xxx就是这里的fileKey    * @param RequestURL    *            请求的URL    */   public void uploadFile(final File file, final String fileKey,         final String RequestURL, final Map param) {      if (file == null || (!file.exists())) {         sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE, "文件不存在");         return;      }       Log.i(TAG, "请求的URL=" + RequestURL);      Log.i(TAG, "请求的fileName=" + file.getName());      Log.i(TAG, "请求的fileKey=" + fileKey);      new Thread(new Runnable() { // 开启线程上传文件               @Override               public void run() {                  toUploadFile(file, fileKey, RequestURL, param);               }            }).start();    }    private void toUploadFile(File file, String fileKey, String RequestURL,         Map param) {      String result = null;      requestTime = 0;       long requestTime = System.currentTimeMillis();      long responseTime = 0;       try {         URL url = new URL(RequestURL);         HttpURLConnection conn = (HttpURLConnection) url.openConnection();         conn.setReadTimeout(readTimeOut);         conn.setConnectTimeout(connectTimeout);         conn.setDoInput(true); // 允许输入流         conn.setDoOutput(true); // 允许输出流         conn.setUseCaches(false); // 不允许使用缓存         conn.setRequestMethod("POST"); // 请求方式         conn.setRequestProperty("Charset", CHARSET); // 设置编码         conn.setRequestProperty("connection", "keep-alive");         conn.setRequestProperty("user-agent",               "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");         conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary="               + BOUNDARY);         // conn.setRequestProperty("Content-Type",         // "application/x-www-form-urlencoded");          /**          * 当文件不为空，把文件包装并且上传          */         DataOutputStream dos = new DataOutputStream(conn.getOutputStream());         StringBuffer sb = null;         String params = "";          /***          * 以下是用于上传参数          */         if (param != null && param.size() > 0) {            Iterator it = param.keySet().iterator();            while (it.hasNext()) {               sb = null;               sb = new StringBuffer();               String key = it.next();               String value = param.get(key);               sb.append(PREFIX).append(BOUNDARY).append(LINE_END);               sb.append("Content-Disposition: form-data; name=\"")                     .append(key).append("\"").append(LINE_END)                     .append(LINE_END);               sb.append(value).append(LINE_END);               params = sb.toString();               Log.i(TAG, key + "=" + params + "##");               dos.write(params.getBytes());               // dos.flush();            }         }          sb = null;         params = null;         sb = new StringBuffer();         /**          * 这里重点注意： name里面的值为服务器端需要key 只有这个key 才可以得到对应的文件          * filename是文件的名字，包含后缀名的 比如:abc.png          */         sb.append(PREFIX).append(BOUNDARY).append(LINE_END);         sb.append("Content-Disposition:form-data; name=\"" + fileKey               + "\"; filename=\"" + file.getName() + "\"" + LINE_END);         sb.append("Content-Type:image/pjpeg" + LINE_END); // 这里配置的Content-type很重要的                                                // ，用于服务器端辨别文件的类型的         sb.append(LINE_END);         params = sb.toString();         sb = null;          Log.i(TAG, file.getName() + "=" + params + "##");         dos.write(params.getBytes());         /** 上传文件 */         InputStream is = new FileInputStream(file);         onUploadProcessListener.initUpload((int) file.length());         byte[] bytes = new byte[1024];         int len = 0;         int curLen = 0;         while ((len = is.read(bytes)) != -1) {            curLen += len;            dos.write(bytes, 0, len);            onUploadProcessListener.onUploadProcess(curLen);         }         is.close();          dos.write(LINE_END.getBytes());         byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END)               .getBytes();         dos.write(end_data);         dos.flush();         //         // dos.write(tempOutputStream.toByteArray());         /**          * 获取响应码 200=成功 当响应成功，获取响应的流          */         int res = conn.getResponseCode();         responseTime = System.currentTimeMillis();         this.requestTime = (int) ((responseTime - requestTime) / 1000);         Log.e(TAG, "response code:" + res);         if (res == 200) {            Log.e(TAG, "request success");            InputStream input = conn.getInputStream();            StringBuffer sb1 = new StringBuffer();            int ss;            while ((ss = input.read()) != -1) {               sb1.append((char) ss);            }            result = sb1.toString();            Log.e(TAG, "result : " + result);            sendMessage(UPLOAD_SUCCESS_CODE, "上传结果：" + result);            return;         } else {            Log.e(TAG, "request error");            sendMessage(UPLOAD_SERVER_ERROR_CODE, "上传失败：code=" + res);            return;         }      } catch (MalformedURLException e) {         sendMessage(UPLOAD_SERVER_ERROR_CODE,               "上传失败：error=" + e.getMessage());         e.printStackTrace();         return;      } catch (IOException e) {         sendMessage(UPLOAD_SERVER_ERROR_CODE,               "上传失败：error=" + e.getMessage());         e.printStackTrace();         return;      }   }    /**    * 发送上传结果    *     * @param responseCode    * @param responseMessage    */   private void sendMessage(int responseCode, String responseMessage) {      onUploadProcessListener.onUploadDone(responseCode, responseMessage);   }    /**    * 下面是一个自定义的回调函数，用到回调上传文件是否完成    *     * @author shimingzheng    *     */   public interface OnUploadProcessListener {      /**       * 上传响应       *        * @param responseCode       * @param message       */      void onUploadDone(int responseCode, String message);       /**       * 上传中       *        * @param uploadSize       */      void onUploadProcess(int uploadSize);       /**       * 准备上传       *        * @param fileSize       */      void initUpload(int fileSize);   }    private static OnUploadProcessListener onUploadProcessListener;    public void setOnUploadProcessListener(         OnUploadProcessListener onUploadProcessListener) {      this.onUploadProcessListener = onUploadProcessListener;   }    public int getReadTimeOut() {      return readTimeOut;   }    public void setReadTimeOut(int readTimeOut) {      this.readTimeOut = readTimeOut;   }    public int getConnectTimeout() {      return connectTimeout;   }    public void setConnectTimeout(int connectTimeout) {      this.connectTimeout = connectTimeout;   }    /**    * 获取上传使用的时间    *     * @return    */   public static int getRequestTime() {      return requestTime;   }    public static interface uploadProcessListener {    }    private static long totalSize = 0;    /**    * 提交参数里有文件的数据    *     * @param url    *            服务器地址    * @param param    *            参数    * @return 服务器返回结果    * @throws Exception    */   public String uploadSubmit(String url, Map param,         File file, String fileKey) throws Exception {      HttpPost post = new HttpPost(url);       // MultipartEntity entity = new MultipartEntity();       CustomMultipartEntity entity = new CustomMultipartEntity(            new ProgressListener() {               @Override               public void transferred(long num) {                  onUploadProcessListener                        .onUploadProcess((int) ((num / (float)totalSize) * 100));               }            });       if (param != null && !param.isEmpty()) {         for (Map.Entry entry : param.entrySet()) {            if (entry.getValue() != null                  && entry.getValue().trim().length() > 0) {               entity.addPart(entry.getKey(),                     new StringBody(entry.getValue()));            }         }      }      // 添加文件参数      if (file != null && file.exists()) {         entity.addPart(fileKey, new FileBody(file));      }      totalSize = entity.getContentLength();       post.setEntity(entity);      HttpClient httpClient = new DefaultHttpClient();      HttpResponse response = httpClient.execute(post);      int stateCode = response.getStatusLine().getStatusCode();      StringBuffer sb = new StringBuffer();      if (stateCode == HttpStatus.SC_OK) {         HttpEntity result = response.getEntity();         if (result != null) {            InputStream is = result.getContent();            BufferedReader br = new BufferedReader(                  new InputStreamReader(is));            String tempLine;            while ((tempLine = br.readLine()) != null) {               sb.append(tempLine);            }         }      }      post.abort();      return sb.toString();   } }

C#代码:

public class ProPicUpload : IHttpHandler {       public void ProcessRequest(HttpContext context)     {         context.Response.ContentType = "text/plain";         context.Response.Charset = "utf-8";         HttpPostedFile file = context.Request.Files["Filedata"];         if (context.Request["type"] == "android")         {             if (file != null)             {                 //上传图片方法就不贴了                 //通过file就可以保存到服务器                 context.Response.Write("/upload/"   ","   "文件名.jpg");             }         }               }       public bool IsReusable     {         get         {             return false;         }     } }

更多相关文章

随机推荐