Android实现头像上传功能

**
 * Created by Administrator on 2016/7/28.
 * 上传图片工具类
 */
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<input type=file name=xxx/> xxx就是这里的fileKey
 * @param RequestURL 请求的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上传文件到服务器
 *
 * @param file 需要上传的文件
 * @param fileKey 在网页上<input type=file name=xxx/> 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<String, String> 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<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<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();
/**
 * 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);
  }
  String s = sb1.toString();
  result = s;
  Log.e(TAG, "result : " + result);
  sendMessage(UPLOAD_SUCCESS_CODE, "上传结果："
   + result);
  return;
  } else {
  Log.e(TAG, "request error" + res);
  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 static 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 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 {

 }

 /**
 * 将Bitmap转换成文件
 * 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;
 }

}

/**
 * 从相册选择图片来源
 */
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);
}

/**
 * 从系统相机选择图片来源
 */
private void getCamera() {
 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

 // 下面这句指定调用相机拍照后的照片存储的路径
 intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(
  Environment.getExternalStorageDirectory(), "hand.jpg")));
 startActivityForResult(intent, CAMERA_REQUEST);
}

/****
 * 调用系统自带切图工具对图片进行裁剪
 * 微信也是
 *
 * @param uri
 */
private void photoClip(Uri uri) {
 // 调用系统中自带的图片剪裁
 Intent intent = new Intent("com.android.camera.action.CROP");
 intent.setDataAndType(uri, "image/*");
 // 下面这个crop=true是设置在开启的Intent中设置显示的VIEW可裁剪
 intent.putExtra("crop", "true");
 // aspectX aspectY 是宽高的比例
 intent.putExtra("aspectX", 1);
 intent.putExtra("aspectY", 1);
 // outputX outputY 是裁剪图片宽高
 intent.putExtra("outputX", 150);
 intent.putExtra("outputY", 150);
 intent.putExtra("return-data", true);
 startActivityForResult(intent, PHOTO_CLIP);
}

/**
 * 上传图片到服务器
 */
private void toUploadFile() {
 pd = ProgressDialog.show(this, "", "正在上传文件...");
 pd.show();
 String fileKey = "avatarFile";
 UploadUtil uploadUtil = UploadUtil.getInstance();
 uploadUtil.setOnUploadProcessListener(MainActivity.this); //设置监听器监听上传状态

 Map<String, String> params = new HashMap<String, String>();//上传map对象
 params.put("userId", "");
 uploadUtil.uploadFile(filepath, fileKey, "上传头像的地址", params);
 Toast.makeText(this, "上传成功", Toast.LENGTH_LONG).show();
}

/**
 * 上传服务器响应回调
 */
@Override
public void onUploadDone(int responseCode, String message) {
 //上传完成响应
 pd.dismiss();
 Message msg = Message.obtain();
 msg.what = UPLOAD_FILE_DONE;
 msg.arg1 = responseCode;
 msg.obj = message;
}

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

@Override
public void initUpload(int fileSize) {
 //准备上传
 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");//保存图片
   if (file.exists()) {
   //对相机拍照照片进行裁剪
   photoClip(Uri.fromFile(file));
   }
  }
  break;

 case PHOTO_REQUEST://从相册取
  if (data != null) {
  Uri uri = data.getData();
  //对相册取出照片进行裁剪
  photoClip(uri);

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

  Bundle extras = data.getExtras();
  if (extras != null) {
   Bitmap photo = extras.getParcelable("data");
   try {
   //获得图片路径
   filepath = UploadUtil.saveFile(photo, Environment.getExternalStorageDirectory().toString(), "hand.jpg");
   //上传照片
   toUploadFile();
   } catch (IOException e) {
   e.printStackTrace();
   }
   //上传完成将照片写入imageview与用户进行交互
   mImageView.setImageBitmap(photo);
  }
  }
  break;
 }
}