springmvc服務端+android客戶端的文件上傳

一、Springmvc服務端

1.引入文件上傳的JAR包commons-fileupload-1.2.jar，commons-io-1.3.2.jar.

 

 

2. <!-- 配置上傳的組件   用於SpringMvc查找commons包 -->

         <beanid="multipartResolver"class="org.springframework.web.multipart.commons.CommonsMultipartResolver"></bean>

</beans>

 

 

3.服務端

 

1）構建回傳類

Result.java

ackage org.linfeng.action;
import org.springframework.stereotype.Component;

@Component
public class Result {
	private String path;
	private String code;
	private String message;
	public String getPath() {
		return path;
	}
	public void setPath(String path) {
		this.path = path;
	}
	public String getCode() {
		return code;
	}
	public void setCode(String code) {
		this.code = code;
	}
	public void setMessage(String message) {
		this.message = message;
	}
	public String getMessage() {
		return message;
	}
}

2）構建控制器

@Controller

public class UploadController {

         @Resource

         privateResult result;

 

         @RequestMapping("/mobile/uploadfile")

         @ResponseBody      //把回傳類轉換成json

         public   ResultuploadPhone(@RequestParam(value="file",required=false)MultipartFilefile,HttpServletRequest request) throws IllegalStateException, IOException{

                   Stringpath=uploadFile(file, request);

                   result.setCode("200");

                   result.setPath(path);

                   result.setMessage("上傳成功");

                   returnresult;

         }

         /**

          * 上傳

          * @param file

          * @param request

          * @return

          * @throws IOException

          */

         privateString  uploadFile(MultipartFile file,HttpServletRequest request)

                            throwsIOException {

                   Stringpath=request.getSession().getServletContext().getRealPath("upload");

                   StringfileName=file.getOriginalFilename();

                   FiletargetFile=new File(path,fileName);

                   if(!targetFile.exists()){

                            targetFile.mkdirs();

                   }

                   file.transferTo(targetFile);

//               request.setAttribute("filePath",targetFile.getAbsolutePath());

                   return    targetFile.getAbsolutePath();

         }

}

二、android客戶端

 

 

1.導入上傳需要的JAR包httpmime-4.1.1.jar

 

2.寫一個工具類使用HttpClient

public class AndroidUploadFile {

         /**

          *

          * @param filePath 文件地址

          * @param urlServer  服務器的地址

          * @return

          * @throws IOException

          * @throws ClientProtocolException

          */

         publicstatic  String uoloadFile(StringfilePath,String urlServer) throws ClientProtocolException, IOException{

                   //使用HttpClient

                   HttpClienthttpClient=new DefaultHttpClient();

                   //必須設置請求的協議

                   httpClient.getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION,HttpVersion.HTTP_1_1);

                   //設置http post請求

                   HttpPost  httpPost=new HttpPost(urlServer);

                   //構建上傳的文件的實體

                   MultipartEntity  multipartEntity=new MultipartEntity();

                   //構建文件的File的對象

                   Filefile=new File(filePath);

                   //添加文件的

                   ContentBodycontentBody=new FileBody(file);

                   multipartEntity.addPart("file",contentBody);//<input type="file" name="file">

                   //把請求實體設置到HttpPost

                   httpPost.setEntity(multipartEntity);

                   //執行這個請求

                   HttpResponseresponse=httpClient.execute(httpPost);

                   //通過響應取到狀態行

                   StatusLinestatusLine= response.getStatusLine();

                   //通過狀態碼去判斷

                   if(statusLine.getStatusCode()==HttpStatus.SC_OK){

                            HttpEntity  entity=response.getEntity();

                            Stringresult=EntityUtils.toString(entity);

                            Log.i("TAG","*******"+result);

                   }else{

                            Log.i("TAG","請求出了問題");

                   }

                   returnnull;

         }

}

3.在UI線程調用工具類方法，注意，耗時操作必須另外開啓一個工作線程執行

public  void doClick(View v){
		String path=Environment.getExternalStorageDirectory().getAbsolutePath();
		final File file=new File(path,"test.txt");
		new Thread(){
			public void run() {
				try {
					AndroidUploadFile.uoloadFile(file.getAbsolutePath(), "http://10.8.30.81:8080/SpringMvcUpload/mobile/uploadfile");
				} catch (ClientProtocolException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			};
		}.start();