远程访问(post 传参数) 以及IOUtils复制文件

 1 package com.action;

 2 

 3 import java.io.File;

 4 import java.io.FileOutputStream;

 5 import java.io.InputStream;

 6 import java.util.ArrayList;

 7 import java.util.List;

 8 

 9 import org.apache.commons.io.IOUtils;

10 import org.apache.http.HttpEntity;

11 import org.apache.http.HttpResponse;

12 import org.apache.http.NameValuePair;

13 import org.apache.http.client.HttpClient;

14 import org.apache.http.client.entity.UrlEncodedFormEntity;

15 import org.apache.http.client.methods.HttpPost;

16 import org.apache.http.entity.StringEntity;

17 import org.apache.http.impl.client.DefaultHttpClient;

18 import org.apache.http.message.BasicNameValuePair;

19 

20 public class IOUtilTest {

21 

22     public static void main(String[] args) throws Exception{

23         HttpClient client = new DefaultHttpClient();

24         String URL = "http://www.ola.com.cn/img/icn_joke.png";

25         //    String URL = "http://www.baidu.com/";

26         //    HttpGet get = new HttpGet(URL);

27         HttpPost post = new HttpPost(URL);

28         NameValuePair p = new BasicNameValuePair("v", "123");

29         List<NameValuePair> list = new ArrayList<NameValuePair>();

30         list.add(new BasicNameValuePair("v", "140532246669"));

31         StringEntity entity = new UrlEncodedFormEntity(list);

32         post.setEntity(entity);

33         HttpResponse res = client.execute(post);

34         //if(res.getStatusLine().getStatusCode()==200){

35         //         String result = EntityUtils.toString(res.getEntity());

36         //         System.out.println(result+"\n");

37         //}

38         HttpEntity e = res.getEntity();

39         InputStream is = null;

40         is = e.getContent();

41         File file = new File("D:\\2.png");

42         FileOutputStream fos = new FileOutputStream(file);

43         IOUtils.copy(is, fos);

44         IOUtils.closeQuietly(is);

45         fos.close();

46     }

47 }