JAVA httpclient3.x vs. httpclient4.x code (POST method)

Source: Internet
Author: User

Httpclient4.x Post Method Code:

1 ImportJava.io.BufferedReader;2 Importjava.io.IOException;3 ImportJava.io.InputStream;4 ImportJava.io.InputStreamReader;5 Importjava.io.UnsupportedEncodingException;6 Importjava.util.ArrayList;7 Importjava.util.List;8 Importorg.apache.http.Consts;9 Importorg.apache.http.HttpEntity;Ten ImportOrg.apache.http.HttpResponse; One Importorg.apache.http.ParseException; A Importorg.apache.http.client.ClientProtocolException; - Importorg.apache.http.client.HttpClient; - Importorg.apache.http.client.entity.UrlEncodedFormEntity; the ImportOrg.apache.http.client.methods.HttpPost; - Importorg.apache.http.impl.client.DefaultHttpClient; - ImportOrg.apache.http.message.BasicNameValuePair; - Importorg.apache.http.util.EntityUtils; +  -  Public classtest01 { +       Public Static voidMain (String argv[]) { AHttpClient client=Newdefaulthttpclient (); atList<basicnamevaluepair> Formparams =NewArraylist<basicnamevaluepair>(); -Formparams.add (NewBasicnamevaluepair ("Money", "XX")); -Formparams.add (NewBasicnamevaluepair ("Tele_num", "xxxxxxxxxxx")); -urlencodedformentity entity =Newurlencodedformentity (Formparams, consts.utf_8); -HttpPost HttpPost =NewHttpPost ("Http://xxxx.xxxxxx.xx/xxx/xxxxxx"); - httppost.setentity (entity); in  -HttpResponse response =NULL; to             Try { +Response =Client.execute (httppost); -}Catch(clientprotocolexception e) { the                 //TODO auto-generated Catch block * e.printstacktrace (); $}Catch(IOException e) {Panax Notoginseng                 //TODO auto-generated Catch block - e.printstacktrace (); the             } +             //status returned by the print server A                 the System.out.println (Response.getstatusline ()); +Httpentity Entity =response.getentity (); -             //Print results page $             $             Try { -System.out.println ("Response is:" +entityutils.tostring (Entity)); -}Catch(ParseException E1) { the                 //TODO auto-generated Catch block - e1.printstacktrace ();Wuyi}Catch(IOException E1) { the                 //TODO auto-generated Catch block - e1.printstacktrace (); Wu             } -             if(entity!=NULL){ AboutSystem.out.println ("The Response length is:" +entity.getcontentlength ()); $             } -       } -}

Httpclient3.x Post Method Code:

1Import java.io.IOException;2 Importjava.io.UnsupportedEncodingException;3 Importorg.apache.commons.httpclient.HttpClient;4 Importorg.apache.commons.httpclient.HttpException;5 ImportOrg.apache.commons.httpclient.NameValuePair;6 ImportOrg.apache.commons.httpclient.methods.PostMethod;7 8 9  Public classtest02 {Ten        Public Static voidMain (String argv[]) { OneHttpClient client =NewHttpClient (); AClient.gethostconfiguration (). Sethost ("xxxx.xxxxxx.xx", "http"); -Postmethod post =NewPostmethod ("Http://xxxx.xxxxxx.xx/xxx/xxxxxx"); -Namevaluepair Money =NewNamevaluepair ("Money", "XX"); theNamevaluepair Tele_num =NewNamevaluepair ("Tele_num", "xxxxxxxxxxx");  -Post.setrequestbody (Newnamevaluepair[] {money, tele_num}); -  -             Try { + Client.executemethod (POST); -}Catch(HttpException e) { +                 //TODO auto-generated Catch block A e.printstacktrace (); at}Catch(IOException e) { -                 //TODO auto-generated Catch block - e.printstacktrace (); -             } -             //status returned by the print server -System.out.println ("The status returned by the server is:" +post.getstatusline ()); in             //Print results page -String response =NULL; to             Try { +Response =NewString (Post.getresponsebodyasstring (). GetBytes ("UTF-8")); -}Catch(unsupportedencodingexception e) { the                 //TODO auto-generated Catch block * e.printstacktrace (); $}Catch(IOException e) {Panax Notoginseng                 //TODO auto-generated Catch block - e.printstacktrace (); the             } +             //Print the returned information ASYSTEM.OUT.PRINTLN ("The information returned is:" +response); the post.releaseconnection (); +              -       } $}

Attached reference: http://hc.apache.org/httpcomponents-client-ga/tutorial/html/

JAVA httpclient3.x vs. httpclient4.x code (POST method)

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.