AysnTask+HttpClient实现上传

package com.example.uptoserverdemo;

import java.io.File; import java.io.IOException;

import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.client.*; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.FileEntity; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils;

import com.lidroid.xutils.ViewUtils; import com.lidroid.xutils.view.annotation.event.OnClick;

import android.os.AsyncTask; import android.os.Bundle; import android.app.Activity; import android.util.Log; import android.view.Menu; import android.view.View; import android.widget.TextView;

public class MainActivity extends Activity {  private TextView tv;  public static final String UP_URL = "http://169.254.109.73:8080/upserver/UploadFileServlet"; // private String filePath = "/storage/sdcard0/1461656337024acedownload.mp4"; // String fileName = "1461656337024acedownload.mp4";  private String filePath = "/mnt/sdcard/ace.mp4";  String fileName = "ace.mp4";      @Override  protected void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);   setContentView(R.layout.activity_main);   tv = (TextView) findViewById(R.id.tv);         ViewUtils.inject(this);  }    @OnClick(R.id.tv)  public void jump(View view){   //异步上传文件   new MyAsyncTask().execute();  }    class MyAsyncTask extends AsyncTask{

  @Override   protected String doInBackground(String... params) {    String rs = "";    String httpUrl = UP_URL+"?fileName="+fileName;            HttpPost request = new HttpPost(httpUrl);             File file = new File(filePath);          //上传文件的配置代码          FileEntity entity = new FileEntity(file,"binary/octet-stream");           entity.setContentEncoding("binary/octet-stream");           request.setEntity(entity);                   HttpClient httpClient = new DefaultHttpClient();           HttpResponse response;               try {      respOnse= httpClient.execute(request);      //如果返回状态为200，获得返回的结果       if(response.getStatusLine().getStatusCode()==HttpStatus.SC_OK){          //图片上传成功           Log.i("TAG","上传成功");       HttpEntity rsEntity = response.getEntity();       rs = EntityUtils.toString(rsEntity, "utf-8");       Log.i("TAG",rs);      }      } catch (ClientProtocolException e) {      // TODO Auto-generated catch block      e.printStackTrace();     } catch (IOException e) {      // TODO Auto-generated catch block      e.printStackTrace();     }               return rs;            }       @Override   protected void onPostExecute(String result) {    // TODO Auto-generated method stub    super.onPostExecute(result);    tv.setText(result);   }  }

 @Override  public boolean onCreateOptionsMenu(Menu menu) {   // Inflate the menu; this adds items to the action bar if it is present.   getMenuInflater().inflate(R.menu.activity_main, menu);   return true;  }

}