Java uses Apache httpclient to send post requests __java

Original address: http://www.pocketdigi.com/20110521/294.html

Import java.io.UnsupportedEncodingException;
Import java.util.ArrayList;
Import java.util.List;

Import Org.apache.http.HttpResponse;
Import Org.apache.http.NameValuePair;
Import org.apache.http.client.entity.UrlEncodedFormEntity;
Import Org.apache.http.client.methods.HttpPost;
Import org.apache.http.impl.client.DefaultHttpClient;
Import Org.apache.http.message.BasicNameValuePair;
Import Org.apache.http.protocol.HTTP;
Import Org.apache.http.util.EntityUtils;
/**
*JDK default no Org.apache.http package, need to go to http://hc.apache.org/downloads.cgi download first
* Download HttpClient, unzip, import all jars in eclipse
*/
public class TT {
/**
* @param args
* @throws unsupportedencodingexception
* This example, in order to simplify the point, did not catch the exception, directly at the program entrance added exception to throw the declaration
*/
public static void Main (string[] args) throws Exception {
TODO auto-generated Method Stub
String url= "http://localhost/newspaper/test/1.php";
Post's URL
HttpPost httppost=new httppost (URL);
Create a HttpPost object
List<namevaluepair> params=new arraylist<namevaluepair> ();
Create a Namevaluepair array to store the parameters to be transmitted
Params.add (New Basicnamevaluepair ("pwd", "2544"));
Add parameters
Httppost.setentity (New Urlencodedformentity (params,http). Utf_8));
Set encoding
HttpResponse response=new defaulthttpclient (). Execute (httppost);
Sends a post, and returns a HttpResponse object
if (Response.getstatusline (). Getstatuscode () ==200) {//If the status code is 200, the return is normal
String result=entityutils.tostring (Response.getentity ());
Get the returned string
SYSTEM.OUT.PRINTLN (result);
Print output
}
}
}

Processing garbled, the result string obtained by the conversion,

Result=new String (result.getbytes ("iso-8859-1"), "GBK")