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  • android选择图片或拍照图片上传到服务器(包括上传参数)

      最近要搞一个项目,需要上传相册和拍照的图片,不负所望,终于完成了!  不过需要说明一下,其实网上很多教程拍照的图片,都是缩略图不是很清晰,所以需要在调用照相机的时候,事先生成一个地址,用于标识拍照的图片URI

    具体上传代码:

    1.选择图片和上传界面,包括上传完成和异常的回调监听

    package com.spring.sky.image.upload;
    
    
    import java.util.HashMap;
    import java.util.Map;
    
    import android.app.Activity;
    import android.app.ProgressDialog;
    import android.content.Intent;
    import android.graphics.Bitmap;
    import android.graphics.BitmapFactory;
    import android.os.Bundle;
    import android.os.Handler;
    import android.os.Message;
    import android.util.Log;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    import android.widget.ImageView;
    import android.widget.ProgressBar;
    import android.widget.TextView;
    import android.widget.Toast;
    
    import com.spring.sky.image.upload.network.UploadUtil;
    import com.spring.sky.image.upload.network.UploadUtil.OnUploadProcessListener;
    /**
     * @author spring sky<br>
     * Email :vipa1888@163.com<br>
     * QQ: 840950105<br>
     * 说明:主要用于选择文件和上传文件操作
     */
    public class MainActivity extends Activity implements OnClickListener,OnUploadProcessListener{
    	private static final String TAG = "uploadImage";
    	
    	/**
    	 * 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;
    	/***
    	 * 这里的这个URL是我服务器的javaEE环境URL
    	 */
    	private static String requestURL = "http://192.168.10.160:8080/fileUpload/p/file!upload";
    	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)
    			{
    				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 && requestCode == TO_SELECT_PHOTO)
    		{
    			picPath = data.getStringExtra(SelectPicActivity.KEY_PHOTO_PATH);
    			Log.i(TAG, "最终选择的图片="+picPath);
    			Bitmap bm = BitmapFactory.decodeFile(picPath);
    			imageView.setImageBitmap(bm);
    		}
    		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 void toUploadFile()
    	{
    		uploadImageResult.setText("正在上传中...");
    		progressDialog.setMessage("正在上传文件...");
    		progressDialog.show();
    		String fileKey = "pic";
    		UploadUtil uploadUtil = UploadUtil.getInstance();;
    		uploadUtil.setOnUploadProcessListener(this);  //设置监听器监听上传状态
    		
    		Map<String, String> params = new HashMap<String, String>();
    		params.put("orderId", "11111");
    		uploadUtil.uploadFile( picPath,fileKey, requestURL,params);
    	}
    	
    	private Handler handler = new Handler(){
    		@Override
    		public void handleMessage(Message msg) {
    			switch (msg.what) {
    			case TO_UPLOAD_FILE:
    				toUploadFile();
    				break;
    			
    			case UPLOAD_INIT_PROCESS:
    				progressBar.setMax(msg.arg1);
    				break;
    			case UPLOAD_IN_PROCESS:
    				progressBar.setProgress(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;
    			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 );
    	}
    	
    }


    2.选择图片界面,主要涉及两种方式:选择图片和及时拍照图片

    package com.spring.sky.image.upload;
    
    import android.app.Activity;
    import android.content.ContentValues;
    import android.content.Intent;
    import android.database.Cursor;
    import android.net.Uri;
    import android.os.Bundle;
    import android.os.Environment;
    import android.provider.MediaStore;
    import android.util.Log;
    import android.view.MotionEvent;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.widget.Button;
    import android.widget.LinearLayout;
    import android.widget.Toast;
    
    /**
     * @author spring sky<br>
     * Email :vipa1888@163.com<br>
     * QQ: 840950105<br>
     * @version 创建时间:2012-11-22 上午9:20:03
     * 说明:主要用于选择文件操作
     */
    
    public class SelectPicActivity extends Activity implements OnClickListener{
    
    	/***
    	 * 使用照相机拍照获取图片
    	 */
    	public static final int SELECT_PIC_BY_TACK_PHOTO = 1;
    	/***
    	 * 使用相册中的图片
    	 */
    	public static final int SELECT_PIC_BY_PICK_PHOTO = 2;
    	
    	/***
    	 * 从Intent获取图片路径的KEY
    	 */
    	public static final String KEY_PHOTO_PATH = "photo_path";
    	
    	private static final String TAG = "SelectPicActivity";
    	
    	private LinearLayout dialogLayout;
    	private Button takePhotoBtn,pickPhotoBtn,cancelBtn;
    
    	/**获取到的图片路径*/
    	private String picPath;
    	
    	private Intent lastIntent ;
    	
    	private Uri photoUri;
    	@Override
    	protected void onCreate(Bundle savedInstanceState) {
    		super.onCreate(savedInstanceState);
    		setContentView(R.layout.select_pic_layout);
    		initView();
    	}
    	/**
    	 * 初始化加载View
    	 */
    	private void initView() {
    		dialogLayout = (LinearLayout) findViewById(R.id.dialog_layout);
    		dialogLayout.setOnClickListener(this);
    		takePhotoBtn = (Button) findViewById(R.id.btn_take_photo);
    		takePhotoBtn.setOnClickListener(this);
    		pickPhotoBtn = (Button) findViewById(R.id.btn_pick_photo);
    		pickPhotoBtn.setOnClickListener(this);
    		cancelBtn = (Button) findViewById(R.id.btn_cancel);
    		cancelBtn.setOnClickListener(this);
    		
    		lastIntent = getIntent();
    	}
    
    	@Override
    	public void onClick(View v) {
    		switch (v.getId()) {
    		case R.id.dialog_layout:
    			finish();
    			break;
    		case R.id.btn_take_photo:
    			takePhoto();
    			break;
    		case R.id.btn_pick_photo:
    			pickPhoto();
    			break;
    		default:
    			finish();
    			break;
    		}
    	}
    
    	/**
    	 * 拍照获取图片
    	 */
    	private void takePhoto() {
    		//执行拍照前,应该先判断SD卡是否存在
    		String SDState = Environment.getExternalStorageState();
    		if(SDState.equals(Environment.MEDIA_MOUNTED))
    		{
    			
    			Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);//"android.media.action.IMAGE_CAPTURE"
    			/***
    			 * 需要说明一下,以下操作使用照相机拍照,拍照后的图片会存放在相册中的
    			 * 这里使用的这种方式有一个好处就是获取的图片是拍照后的原图
    			 * 如果不实用ContentValues存放照片路径的话,拍照后获取的图片为缩略图不清晰
    			 */
    			ContentValues values = new ContentValues();  
    			photoUri = this.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);  
    			intent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, photoUri);
    			/**-----------------*/
    			startActivityForResult(intent, SELECT_PIC_BY_TACK_PHOTO);
    		}else{
    			Toast.makeText(this,"内存卡不存在", Toast.LENGTH_LONG).show();
    		}
    	}
    
    	/***
    	 * 从相册中取图片
    	 */
    	private void pickPhoto() {
    		Intent intent = new Intent();
    		intent.setType("image/*");
    		intent.setAction(Intent.ACTION_GET_CONTENT);
    		startActivityForResult(intent, SELECT_PIC_BY_PICK_PHOTO);
    	}
    	
    	@Override
    	public boolean onTouchEvent(MotionEvent event) {
    		finish();
    		return super.onTouchEvent(event);
    	}
    	
    	
    	@Override
    	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    		if(resultCode == Activity.RESULT_OK)
    		{
    			doPhoto(requestCode,data);
    		}
    		super.onActivityResult(requestCode, resultCode, data);
    	}
    	
    	/**
    	 * 选择图片后,获取图片的路径
    	 * @param requestCode
    	 * @param data
    	 */
    	private void doPhoto(int requestCode,Intent data)
    	{
    		if(requestCode == SELECT_PIC_BY_PICK_PHOTO )  //从相册取图片,有些手机有异常情况,请注意
    		{
    			if(data == null)
    			{
    				Toast.makeText(this, "选择图片文件出错", Toast.LENGTH_LONG).show();
    				return;
    			}
    			photoUri = data.getData();
    			if(photoUri == null )
    			{
    				Toast.makeText(this, "选择图片文件出错", Toast.LENGTH_LONG).show();
    				return;
    			}
    		}
    		String[] pojo = {MediaStore.Images.Media.DATA};
    		Cursor cursor = managedQuery(photoUri, pojo, null, null,null);   
    		if(cursor != null )
    		{
    			int columnIndex = cursor.getColumnIndexOrThrow(pojo[0]);
    			cursor.moveToFirst();
    			picPath = cursor.getString(columnIndex);
    			cursor.close();
    		}
    		Log.i(TAG, "imagePath = "+picPath);
    		if(picPath != null && ( picPath.endsWith(".png") || picPath.endsWith(".PNG") ||picPath.endsWith(".jpg") ||picPath.endsWith(".JPG")  ))
    		{
    			lastIntent.putExtra(KEY_PHOTO_PATH, picPath);
    			setResult(Activity.RESULT_OK, lastIntent);
    			finish();
    		}else{
    			Toast.makeText(this, "选择图片文件不正确", Toast.LENGTH_LONG).show();
    		}
    	}
    }
    


    3. 上传工具类,主要实现了图片的上传,上传过程的初始化监听和上传完成的监听,还有上传耗时的计算

    package com.spring.sky.image.upload.network;
    
    import java.io.DataOutputStream;
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.net.HttpURLConnection;
    import java.net.MalformedURLException;
    import java.net.URL;
    import java.util.Iterator;
    import java.util.Map;
    import java.util.UUID;
    
    import android.util.Log;
    
    /**
     * 
     * 上传工具类
     * @author spring sky<br>
     * Email :vipa1888@163.com<br>
     * QQ: 840950105<br>
     * 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<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);
    				}
    				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 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{
    		
    	}
    	
    	
    	
    	
    }
    


    本文章欢迎转载,但是请保留原连接地址:http://blog.csdn.net/vipa1888/article/details/8213898

    以上代码,我就不详细讲解原理,相关难点注释已经写得很清楚了!分享出来,和大家一起学习!

    相关服务器端代码和客户端下载:

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  • 原文地址:https://www.cnblogs.com/springskyhome/p/3689918.html
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