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JAVA Httpclient3.x与Httpclient4.x代码对比(post方法)
Httpclient4.x post方法代码:
1 import java.io.BufferedReader; 2 import java.io.IOException; 3 import java.io.InputStream; 4 import java.io.InputStreamReader; 5 import java.io.UnsupportedEncodingException; 6 import java.util.ArrayList; 7 import java.util.List; 8 import org.apache.http.Consts; 9 import org.apache.http.HttpEntity;10 import org.apache.http.HttpResponse;11 import org.apache.http.ParseException;12 import org.apache.http.client.ClientProtocolException;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.impl.client.DefaultHttpClient;17 import org.apache.http.message.BasicNameValuePair;18 import org.apache.http.util.EntityUtils;19 20 public class test01 {21 public static void main(String argv[]){22 HttpClient client=new DefaultHttpClient();23 List<BasicNameValuePair> formparams = new ArrayList<BasicNameValuePair>();24 formparams.add(new BasicNameValuePair("money", "xx"));25 formparams.add(new BasicNameValuePair("tele_num", "xxxxxxxxxxx"));26 UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, Consts.UTF_8);27 HttpPost httppost = new HttpPost("http://xxxx.xxxxxx.xx/xxx/xxxxxx");28 httppost.setEntity(entity);29 30 HttpResponse response = null;31 try {32 response = client.execute(httppost);33 } catch (ClientProtocolException e) {34 // TODO Auto-generated catch block35 e.printStackTrace();36 } catch (IOException e) {37 // TODO Auto-generated catch block38 e.printStackTrace();39 }40 //打印服务器返回的状态41 42 System.out.println(response.getStatusLine());43 HttpEntity Entity = response.getEntity();44 //打印结果页面45 46 try {47 System.out.println("Response is :"+EntityUtils.toString(Entity));48 } catch (ParseException e1) {49 // TODO Auto-generated catch block50 e1.printStackTrace();51 } catch (IOException e1) {52 // TODO Auto-generated catch block53 e1.printStackTrace();54 }55 if(Entity!=null){56 System.out.println("The Response length is :"+Entity.getContentLength());57 }58 }59 }
Httpclient3.x post方法代码:
1 import java.io.IOException; 2 import java.io.UnsupportedEncodingException; 3 import org.apache.commons.httpclient.HttpClient; 4 import org.apache.commons.httpclient.HttpException; 5 import org.apache.commons.httpclient.NameValuePair; 6 import org.apache.commons.httpclient.methods.PostMethod; 7 8 9 public class test02 {10 public static void main(String argv[]){11 HttpClient client = new HttpClient();12 client.getHostConfiguration().setHost("xxxx.xxxxxx.xx", 80, "http");13 PostMethod post = new PostMethod("http://xxxx.xxxxxx.xx/xxx/xxxxxx");14 NameValuePair money = new NameValuePair("money","xx");15 NameValuePair tele_num = new NameValuePair("tele_num", "xxxxxxxxxxx"); 16 post.setRequestBody(new NameValuePair[] { money, tele_num});17 18 try {19 client.executeMethod(post);20 } catch (HttpException e) {21 // TODO Auto-generated catch block22 e.printStackTrace();23 } catch (IOException e) {24 // TODO Auto-generated catch block25 e.printStackTrace();26 }27 //打印服务器返回的状态28 System.out.println("服务器返回的状态是: "+post.getStatusLine());29 //打印结果页面30 String response = null;31 try {32 response = new String(post.getResponseBodyAsString().getBytes("UTF-8"));33 } catch (UnsupportedEncodingException e) {34 // TODO Auto-generated catch block35 e.printStackTrace();36 } catch (IOException e) {37 // TODO Auto-generated catch block38 e.printStackTrace();39 }40 //打印返回的信息41 System.out.println("返回的信息是: "+response);42 post.releaseConnection();43 44 }45 }
附参考:http://hc.apache.org/httpcomponents-client-ga/tutorial/html/
JAVA Httpclient3.x与Httpclient4.x代码对比(post方法)
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