//點(diǎn)擊拍照    btnHeadCamera.setOnClickListener(new View.OnClickListener() {      @Override      public void onClick(View view) {        Intent itCamera=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);        startActivityForResult(itCamera,0);      }    });

@Override  protected void onActivityResult(int requestCode, int resultCode, Intent data) {    switch (requestCode){      case 0://拍照        savePhoto(data);        break;    }    super.onActivityResult(requestCode, resultCode, data);  }  final String SAVE_PATH=Environment.getExternalStorageDirectory()+"/my_head.jpg"; //拍照后保存路徑   //保存圖片  public void savePhoto(Intent it){    Bundle bundle=it.getExtras();    if(bundle!=null){      Bitmap photo = bundle.getParcelable("data");      imgHead.setImageBitmap(photo);      File fileHead=new File(SAVE_PATH);      try {        if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){          if(!fileHead.getParentFile().exists()){            fileHead.getParentFile().mkdir();          }          BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream(fileHead));          photo.compress(Bitmap.CompressFormat.JPEG,80,bos);          bos.flush();          bos.close();        }else {          Toast toast = Toast.makeText(HeadPhotoActivity.this, "保存失敗！", Toast.LENGTH_SHORT);          toast.setGravity(Gravity.CENTER, 0, 0);          toast.show();        }      }catch (FileNotFoundException e){        e.printStackTrace();      }catch (IOException e){        e.printStackTrace();      }    }  }

String SERVER_URL = Config.PhotoAPI+"/UploadImage";//上傳的服務(wù)端API地址btnHeadCancel.setOnClickListener(new View.OnClickListener() {      @Override      public void onClick(View view) {        new Thread(new Runnable() {          @Override          public void run() {            File file = new File(SAVE_PATH);            Message msg = new Message();            msg.what = 0;            if(file!=null) {              try {               int re = ImageUtils.uploadForm(file, SERVER_URL);                msg.obj = re;              } catch (IOException ex) {                msg.obj = 0;                Toast.makeText(HeadPhotoActivity.this, "上傳失敗", Toast.LENGTH_SHORT).show();              }              handler.sendMessage(msg);            }else {              Toast.makeText(HeadPhotoActivity.this, "找不到上傳圖片", Toast.LENGTH_SHORT).show();            }          }        }).start();      }    });

final Handler handler=new Handler(){      @Override      public void handleMessage(Message msg) {        switch (msg.what) {          case 0:            if ((int)msg.obj == 1) {              Toast.makeText(HeadPhotoActivity.this, "上傳成功", Toast.LENGTH_SHORT).show();            } else {              Toast.makeText(HeadPhotoActivity.this, "上傳失敗", Toast.LENGTH_SHORT).show();            }            break;        }      }    };

/**   *   * @param uploadFile   *      需要上傳的文件   * @param serverUrl   *      上傳的服務(wù)器的路徑   * @throws IOException   */  public static int uploadForm(File uploadFile, String serverUrl)      throws IOException {    int re=0;    String fileName = uploadFile.getName();    StringBuilder sb = new StringBuilder();    sb.append("--" + BOUNDARY + "/r/n");    sb.append("Content-Disposition: form-data; name=/"" + fileName        + "/"; filename=/"" + fileName + "/"" + "/r/n");    sb.append("Content-Type: image/jpeg" + "/r/n");    sb.append("/r/n");    byte[] headerInfo = sb.toString().getBytes("UTF-8");    byte[] endInfo = ("/r/n--" + BOUNDARY + "--/r/n").getBytes("UTF-8");    System.out.println(sb.toString());    URL url = new URL(serverUrl);    HttpURLConnection conn = (HttpURLConnection) url.openConnection();    conn.setRequestMethod("POST");    conn.setRequestProperty("Content-Type",        "multipart/form-data; boundary=" + BOUNDARY);    conn.setRequestProperty("Content-Length", String        .valueOf(headerInfo.length + uploadFile.length()            + endInfo.length));    conn.setDoOutput(true);    OutputStream out = conn.getOutputStream();    InputStream in = new FileInputStream(uploadFile);    out.write(headerInfo);    byte[] buf = new byte[1024];    int len;    while ((len = in.read(buf)) != -1)      out.write(buf, 0, len);    out.write(endInfo);    in.close();    out.close();    if (conn.getResponseCode() == 200) {      re=1;    }    return re;  }

    [HttpPost]    public async Task<HttpResponseMessage> UploadImage()    {string filePath = "~//UploadFiles//Photo";      // 取得文件夾      string dir = HttpContext.Current.Server.MapPath(filePath);      //如果不存在文件夾，就創(chuàng)建文件夾      if (!Directory.Exists(dir))        Directory.CreateDirectory(dir);      if (!Request.Content.IsMimeMultipartContent("form-data"))      {        throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);      }      var provider = new CustomMultipartFormDataStreamProvider(dir);      try      {        // Read the form data.         await Request.Content.ReadAsMultipartAsync(provider);        foreach (MultipartFileData file in provider.FileData)        {          //file.Headers.ContentDisposition.FileName;//上傳文件前的文件名          //file.LocalFileName;//上傳后的文件名          Photo p = new Photo();          p.ImgInfo = file.LocalFileName.Substring(file.LocalFileName.LastIndexOf("http://"));          p.Sort = "員工相冊(cè)";          p.AddUser = "admin";          p.AddTime = DateTime.Now;          p.Url = filePath + p.ImgInfo;          db.Photo.Add(p);          db.SaveChanges();        }        return Request.CreateResponse(HttpStatusCode.OK);      }      catch      {        return Request.CreateResponse(HttpStatusCode.BadRequest);      }    }

  //重寫(xiě)上傳文件名  public class CustomMultipartFormDataStreamProvider : MultipartFormDataStreamProvider   {    public CustomMultipartFormDataStreamProvider(string path)      : base(path)    { }    public override string GetLocalFileName(System.Net.Http.Headers.HttpContentHeaders headers)    {      string fileName = DateTime.Now.ToString("yyyyMMddHHmmssfff");      return fileName + "_" + headers.ContentDisposition.FileName.Replace("/"", string.Empty);//base.GetLocalFileName(headers);    }  }