Send a GET request with parameters and resolve the httpclient encoding problem

Tag: send a GET request with parameters to resolve httpclient encoding problem

Package cn.wemart.httppost;

Import Java.io.BufferedReader;

Import java.io.IOException;

Import Java.io.InputStreamReader;

Import java.io.UnsupportedEncodingException;

Import Java.net.URI;

Import java.net.URISyntaxException;

Import java.util.ArrayList;

Import Java.util.HashMap;

Import java.util.List;

Import Java.util.Map;

Import Net.sf.json.JSONObject;

Import org.apache.http.HttpEntity;

Import Org.apache.http.NameValuePair;

Import org.apache.http.client.ClientProtocolException;

Import org.apache.http.client.entity.UrlEncodedFormEntity;

Import Org.apache.http.client.methods.CloseableHttpResponse;

Import Org.apache.http.client.methods.HttpGet;

Import Org.apache.http.client.methods.HttpPost;

Import org.apache.http.impl.client.CloseableHttpClient;

Import org.apache.http.impl.client.HttpClients;

Import Org.apache.http.message.BasicNameValuePair;

Import Org.apache.http.protocol.HTTP;

Import Org.apache.http.util.EntityUtils;

Import org.dom4j.DocumentException;

public class Executeget {

/**

* Assembly Request Parameters

* @param keyvlauelist

*/

public static map<string,string> Setpostpara (string[][] keyvlauelist) throws documentexception{

map<string,string> map = new hashmap<string,string> ();

for (int i = 0;i<keyvlauelist.length;i++)

{

Map.put (keyvlauelist[i][0],keyvlauelist[i][1]);

}

return map;

}

/**

* Get interface return string

* @param URL

* @throws documentexception

* @throws URISyntaxException

*/

public static string Getgetmethodresponse (String url,string[][] keyvlauelist) {

String Xmlstr =null;

String Str;

try {

Converts a key-value pair into a JSON-formatted string

Map<string, string> Postmap;

Postmap = Setpostpara (keyvlauelist);

Jsonobject object = Jsonobject.fromobject (Postmap);

list<namevaluepair> Postpara = new arraylist<namevaluepair> ();

Postpara.add (New Basicnamevaluepair ("Para", Object.ToString ()));

System.out.println ("+++++para=" +object.tostring () + "+++++");

Send a transcoded string, send

Closeablehttpclient httpclient = Httpclients.createdefault ();

HttpGet httpget = new HttpGet (URL);

String sendstr = entityutils.tostring (new urlencodedformentity (postpara,http. Utf_8));

Httpget.seturi (New URI (Httpget.geturi (). toString () + "?" + Sendstr));

Closeablehttpresponse response = Httpclient.execute (HttpGet);

Handling the Chinese encoding of response

BufferedReader reader = new BufferedReader (New InputStreamReader (Response.getentity (). GetContent (), "UTF-8"));

StringBuffer sb = new StringBuffer ();

while ((Str = Reader.readline ()) = null) {

Sb.append (STR). Append ("\ n");

}

Xmlstr = Sb.tostring ();

} catch (Unsupportedencodingexception e) {

E.printstacktrace ();

} catch (Clientprotocolexception e) {

E.printstacktrace ();

} catch (IOException e) {

E.printstacktrace ();

} catch (URISyntaxException e) {

E.printstacktrace ();

} catch (Documentexception e) {

E.printstacktrace ();

}

return xmlstr;

}

}

Send a GET request with parameters and resolve the httpclient encoding problem