發(fā)送數(shù)據(jù)：（應(yīng)用該辦法同時(shí)可以實(shí)現(xiàn)傳輸圖片或其他文件以及通俗字符串?dāng)?shù)據(jù)）

		File dbFile = this.getDatabasePath("note.db");//1.獲取數(shù)據(jù)庫(kù)文件
		
		HttpPost post = new HttpPost(SERVER_UP_URL);//2.指定post連接的url
		HttpClient client = new DefaultHttpClient();//3.創(chuàng)建發(fā)送請(qǐng)求的client對(duì)象
		HttpResponse response;//4.用于獲取響應(yīng)對(duì)象
		
		MultipartEntity entity = new MultipartEntity();//5.創(chuàng)建一個(gè)封裝數(shù)據(jù)的實(shí)體（該代碼默認(rèn)將請(qǐng)求的類型定義為multipart/form-data）
																					//該類型許可發(fā)送文件數(shù)據(jù)
		try {
			FileBody body = new FileBody(dbFile);//將一個(gè)文件封裝，便于將數(shù)據(jù)存入實(shí)體
			entity.addPart("file", body);					//6.為數(shù)據(jù)實(shí)體填充數(shù)據(jù)，經(jīng)由過程類似鍵值對(duì)的方法填充
			entity.addPart("name", new StringBody("halm"));		//第一個(gè)參數(shù)為鍵（辦事器request獲取的參數(shù)名）,第二個(gè)參數(shù)為值內(nèi)容
																//通俗字符串，文件用不合的類進(jìn)行封裝
			post.setEntity(entity);//7.為post請(qǐng)求封裝數(shù)據(jù)實(shí)體以及提交類型
			response = client.execute(post);//8.發(fā)送post請(qǐng)求
			int status = response.getStatusLine().getStatusCode();//9.獲取辦事峨鍰螃狀況率攀來斷定是否交互成功
			if(status != 200){
				Toast.makeText(ListViewActivity.this, "連接掉敗", Toast.LENGTH_SHORT).show();
				return;
			}
			Toast.makeText(ListViewActivity.this, "連接成功", Toast.LENGTH_SHORT).show();
			
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

吸法術(shù)據(jù)：
需求：1.將手機(jī)的數(shù)據(jù)庫(kù)文件發(fā)送到辦事端，辦事端保存  2.將辦事端保存的數(shù)據(jù)發(fā)送回?fù)魴C(jī)棘手機(jī)將該文件覆蓋已有的數(shù)據(jù)庫(kù)文件

		File dbFile = this.getDatabasePath("note.db");//1.先獲取本地?cái)?shù)據(jù)庫(kù)文件
		if(dbFile.exists()){
			dbFile.delete();//2.斷定是否存在，如不雅存在則刪除（便于覆蓋）
		}
		try {
			dbFile.createNewFile();//3.到此處都不存在該文件，所以就須要?jiǎng)?chuàng)建該數(shù)據(jù)庫(kù)文件
			OutputStream out = new FileOutputStream(dbFile);//4.設(shè)置一個(gè)寫的流，用于將數(shù)據(jù)寫到文件內(nèi)
			
			URL url = new URL(SERVER_DOWN_URL);//5.應(yīng)用URL連接網(wǎng)站
			URLConnection conn = url.openConnection();//6.拿到該URL的連接
			InputStream in = conn.getInputStream();//7.經(jīng)由過程連接獲取攫取流，用于獲取接收到的數(shù)據(jù)
			byte buff[] = new byte[1024];
			int len;
			while((len=in.read(buff))>0){
				out.write(buff, 0, len);//8.將接收到的數(shù)據(jù)寫到數(shù)據(jù)庫(kù)文件中
			}
			in.close();
			out.close();
		} catch (IOException e) {
			e.printStackTrace();
		}

3.辦事端代碼

吸法術(shù)據(jù)并保存

		try {
			//斷定提交的方法
			if(!ServletFileUpload.isMultipartContent(request)){
				System.out.println("缺點(diǎn)提交");
				return;
			}
			//以下是文件上傳的代碼
			DiskFileItemFactory factory = new DiskFileItemFactory();
			factory.setRepository(new File(request.getSession().getServletContext().getRealPath("/WEB-INF/temp")));
	
			ServletFileUpload upload = new ServletFileUpload(factory);
			upload.setHeaderEncoding("UTF-8");
			upload.setFileSizeMax(1024*1024*500);

			List<FileItem> files = upload.parseRequest(request);
			for (FileItem fileItem : files) {
				if(fileItem.isFormField()){
					String name = fileItem.getFieldName();
					String value = http://www.sjsjw.com/100/000071MYM010492/fileItem.getString("UTF-8");
					System.out.println(name + ":" + value);
					continue;
				}
				String filename = fileItem.getName();
				System.out.println("filename+"+ filename);
				InputStream in = fileItem.getInputStream();
				OutputStream out = new FileOutputStream(new File("c://"+filename));
				byte buff[] = new byte[1024];
				int len;
				while((len=in.read(buff)) > 0){
					out.write(buff, 0, len);
				}
				in.close();
				out.close();
			}
		} catch (FileUploadException e) {
			e.printStackTrace();
		}

發(fā)送數(shù)據(jù)

		//將數(shù)據(jù)寫出
		File file = new File("c://note.db");
		if(file.exists()){
			return;
		}
		InputStream in = new FileInputStream(file);
		byte buff[] = new byte[1024];
		int len;
		
		while((len=in.read(buff))>0){
			response.getOutputStream().write(buff, 0, len);
		}
		
		in.close();
		System.out.println("發(fā)送了");