【转】HttpClient使用Post和Get提交参数

package httpclient;

import java.io.IOException;
import java.net.URLEncoder;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;

public class HttpClientTest {

public static void main(String[] args) throws Exception{
String url = "/webservices/DomesticAirline.asmx/getDomesticAirlinesTime";
String host = "www.webxml.com.cn";
String param = "startCity="+URLEncoder.encode("杭州", "utf-8")+"&lastCity=&theDate=&userID=";
HttpClient httpClient = new HttpClient();
httpClient.getHostConfiguration().setHost(host, 80, "http");

HttpMethod method = getMethod(url, param);
//HttpMethod method = postMethod(url);

httpClient.executeMethod(method);

String response = method.getResponseBodyAsString();
//String response = new String(method.getResponseBodyAsString().getBytes("ISO-8859-1"));
System.out.println(response);
}

private static HttpMethod getMethod(String url,String param) throws IOException{
GetMethod get = new GetMethod(url+"?"+param);
get.releaseConnection();
return get;
}

private static HttpMethod postMethod(String url) throws IOException{
PostMethod post = new PostMethod(url);
post.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=gbk");
NameValuePair[] param = { new NameValuePair("startCity","杭州"),
new NameValuePair("lastCity","沈阳"),
new NameValuePair("userID",""),
new NameValuePair("theDate","")	} ;
post.setRequestBody(param);
post.releaseConnection();
return post;
}
}