**
 * Created by Administrator on 2016/7/28.
 * 上傳圖片工具類
 */
public class UploadUtil {
 private static UploadUtil uploadUtil;
 private static final String BOUNDARY = UUID.randomUUID().toString(); // 邊界標(biāo)識 隨機(jī)生成
 private static final String PREFIX = "--";
 private static final String LINE_END = "\r\n";
 private static final String CONTENT_TYPE = "multipart/form-data"; // 內(nèi)容類型

 private UploadUtil() {

 }

 /**
 * 單例模式獲取上傳工具類
 *
 * @return
 */
 public static UploadUtil getInstance() {
 if (null == uploadUtil) {
  uploadUtil = new UploadUtil();
 }
 return uploadUtil;
 }

 private static final String TAG = "UploadUtil";
 private int readTimeOut = 10 * 1000; // 讀取超時
 private int connectTimeout = 10 * 1000; // 超時時間
 /***
 * 請求使用多長時間
 */
 private static int requestTime = 0;

 private static final String CHARSET = "utf-8"; // 設(shè)置編碼

 /***
 * 上傳成功
 */
 public static final int UPLOAD_SUCCESS_CODE = 1;
 /**
 * 文件不存在
 */
 public static final int UPLOAD_FILE_NOT_EXISTS_CODE = 2;
 /**
 * 服務(wù)器出錯
 */
 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上傳文件到服務(wù)器
 *
 * @param filePath 需要上傳的文件的路徑
 * @param fileKey 在網(wǎng)頁上<input type=file name=xxx/> xxx就是這里的fileKey
 * @param RequestURL 請求的URL
 */
 public void uploadFile(String filePath, String fileKey, String RequestURL,
    Map<String, String> 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上傳文件到服務(wù)器
 *
 * @param file 需要上傳的文件
 * @param fileKey 在網(wǎng)頁上<input type=file name=xxx/> xxx就是這里的fileKey
 * @param RequestURL 請求的URL
 */
 public void uploadFile(final File file, final String fileKey,
    final String RequestURL, final Map<String, String> param) {
 if (file == null || (!file.exists())) {
  sendMessage(UPLOAD_FILE_NOT_EXISTS_CODE, "文件不存在");
  return;
 }

 Log.i(TAG, "請求的URL=" + RequestURL);
 Log.i(TAG, "請求的fileName=" + file.getName());
 Log.i(TAG, "請求的fileKey=" + fileKey);
 new Thread(new Runnable() { //開啟線程上傳文件
  @Override
  public void run() {
  toUploadFile(file, fileKey, RequestURL, param);
  }
 }).start();

 }

 private void toUploadFile(File file, String fileKey, String RequestURL,
    Map<String, String> 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); // 允許輸入流
  conn.setDoOutput(true); // 允許輸出流
  conn.setUseCaches(false); // 不允許使用緩存
  conn.setRequestMethod("POST"); // 請求方式
  conn.setRequestProperty("Charset", CHARSET); // 設(shè)置編碼
  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");

/**
 * 當(dāng)文件不為空，把文件包裝并且上傳
 */
  DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
  StringBuffer sb = null;
  String params = "";

/***
 * 以下是用于上傳參數(shù)
 */
  if (param != null && param.size() > 0) {
  Iterator<String> 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();
/**
 * 這里重點(diǎn)注意： name里面的值為服務(wù)器端需要key 只有這個key 才可以得到對應(yīng)的文件
 * filename是文件的名字，包含后綴名的 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); // 這里配置的Content-type很重要的 ，用于服務(wù)器端辨別文件的類型的
  sb.append(LINE_END);
  params = sb.toString();
  sb = null;

  Log.i(TAG, file.getName() + "=" + params + "##");
  dos.write(params.getBytes());
/**上傳文件*/
  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());
/**
 * 獲取響應(yīng)碼 200=成功 當(dāng)響應(yīng)成功，獲取響應(yīng)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);
  }
  String s = sb1.toString();
  result = s;
  Log.e(TAG, "result : " + result);
  sendMessage(UPLOAD_SUCCESS_CODE, "上傳結(jié)果："
   + result);
  return;
  } else {
  Log.e(TAG, "request error" + res);
  sendMessage(UPLOAD_SERVER_ERROR_CODE, "上傳失敗：code=" + res);
  return;
  }
 } catch (MalformedURLException e) {
  sendMessage(UPLOAD_SERVER_ERROR_CODE, "上傳失?。篹rror=" + e.getMessage());
  e.printStackTrace();
  return;
 } catch (IOException e) {
  sendMessage(UPLOAD_SERVER_ERROR_CODE, "上傳失?。篹rror=" + e.getMessage());
  e.printStackTrace();
  return;
 }
 }

 /**
 * 發(fā)送上傳結(jié)果
 *
 * @param responseCode
 * @param responseMessage
 */
 private void sendMessage(int responseCode, String responseMessage) {
 onUploadProcessListener.onUploadDone(responseCode, responseMessage);
 }

 /**
 * 下面是一個自定義的回調(diào)函數(shù)，用到回調(diào)上傳文件是否完成
 *
 * @author shimingzheng
 */
 public static interface OnUploadProcessListener {
 /**
  * 上傳響應(yīng)
  *
  * @param responseCode
  * @param message
  */
 void onUploadDone(int responseCode, String message);

 /**
  * 上傳中
  *
  * @param uploadSize
  */
 void onUploadProcess(int uploadSize);

 /**
  * 準(zhǔn)備上傳
  *
  * @param fileSize
  */
 void initUpload(int fileSize);
 }

 private 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;
 }

 /**
 * 獲取上傳使用的時間
 *
 * @return
 */
 public static int getRequestTime() {
 return requestTime;
 }

 public static interface uploadProcessListener {

 }

 /**
 * 將Bitmap轉(zhuǎn)換成文件
 * 保存文件
 *
 * @param bm
 * @param fileName
 * @throws IOException
 */
 public static File saveFile(Bitmap bm, String path, String fileName) throws IOException {
 File dirFile = new File(path);
 if (!dirFile.exists()) {
  dirFile.mkdir();
 }
 File myCaptureFile = new File(path, fileName);
 BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(myCaptureFile));
 bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);
 bos.flush();
 bos.close();
 return myCaptureFile;
 }

}

/**
 * 從相冊選擇圖片來源
 */
private void getPhoto() {
 Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
 intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
  "image/*");
 startActivityForResult(intent, PHOTO_REQUEST);
}

/**
 * 從系統(tǒng)相機(jī)選擇圖片來源
 */
private void getCamera() {
 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

 // 下面這句指定調(diào)用相機(jī)拍照后的照片存儲的路徑
 intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(
  Environment.getExternalStorageDirectory(), "hand.jpg")));
 startActivityForResult(intent, CAMERA_REQUEST);
}

/****
 * 調(diào)用系統(tǒng)自帶切圖工具對圖片進(jìn)行裁剪
 * 微信也是
 *
 * @param uri
 */
private void photoClip(Uri uri) {
 // 調(diào)用系統(tǒng)中自帶的圖片剪裁
 Intent intent = new Intent("com.android.camera.action.CROP");
 intent.setDataAndType(uri, "image/*");
 // 下面這個crop=true是設(shè)置在開啟的Intent中設(shè)置顯示的VIEW可裁剪
 intent.putExtra("crop", "true");
 // aspectX aspectY 是寬高的比例
 intent.putExtra("aspectX", 1);
 intent.putExtra("aspectY", 1);
 // outputX outputY 是裁剪圖片寬高
 intent.putExtra("outputX", 150);
 intent.putExtra("outputY", 150);
 intent.putExtra("return-data", true);
 startActivityForResult(intent, PHOTO_CLIP);
}

/**
 * 上傳圖片到服務(wù)器
 */
private void toUploadFile() {
 pd = ProgressDialog.show(this, "", "正在上傳文件...");
 pd.show();
 String fileKey = "avatarFile";
 UploadUtil uploadUtil = UploadUtil.getInstance();
 uploadUtil.setOnUploadProcessListener(MainActivity.this); //設(shè)置監(jiān)聽器監(jiān)聽上傳狀態(tài)

 Map<String, String> params = new HashMap<String, String>();//上傳map對象
 params.put("userId", "");
 uploadUtil.uploadFile(filepath, fileKey, "上傳頭像的地址", params);
 Toast.makeText(this, "上傳成功", Toast.LENGTH_LONG).show();
}

/**
 * 上傳服務(wù)器響應(yīng)回調(diào)
 */
@Override
public void onUploadDone(int responseCode, String message) {
 //上傳完成響應(yīng)
 pd.dismiss();
 Message msg = Message.obtain();
 msg.what = UPLOAD_FILE_DONE;
 msg.arg1 = responseCode;
 msg.obj = message;
}

@Override
public void onUploadProcess(int uploadSize) {
 //上傳中
 Message msg = Message.obtain();
 msg.what = UPLOAD_IN_PROCESS;
 msg.arg1 = uploadSize;
}

@Override
public void initUpload(int fileSize) {
 //準(zhǔn)備上傳
 Message msg = Message.obtain();
 msg.what = UPLOAD_INIT_PROCESS;
 msg.arg1 = fileSize;
}

public class MainActivity extends AppCompatActivity implements View.OnClickListener, UploadUtil.OnUploadProcessListener {

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 super.onActivityResult(requestCode, resultCode, data);
 switch (requestCode) {
 case CAMERA_REQUEST:
  switch (resultCode) {
  case -1://-1表示拍照成功
   File file = new File(Environment.getExternalStorageDirectory()
    + "/hand.jpg");//保存圖片
   if (file.exists()) {
   //對相機(jī)拍照照片進(jìn)行裁剪
   photoClip(Uri.fromFile(file));
   }
  }
  break;

 case PHOTO_REQUEST://從相冊取
  if (data != null) {
  Uri uri = data.getData();
  //對相冊取出照片進(jìn)行裁剪
  photoClip(uri);

  }
  break;
 case PHOTO_CLIP:
  //完成
  if (data != null) {

  Bundle extras = data.getExtras();
  if (extras != null) {
   Bitmap photo = extras.getParcelable("data");
   try {
   //獲得圖片路徑
   filepath = UploadUtil.saveFile(photo, Environment.getExternalStorageDirectory().toString(), "hand.jpg");
   //上傳照片
   toUploadFile();
   } catch (IOException e) {
   e.printStackTrace();
   }
   //上傳完成將照片寫入imageview與用戶進(jìn)行交互
   mImageView.setImageBitmap(photo);
  }
  }
  break;
 }
}