1. package httpclient;  
2.   
3. import java.io.IOException;  
4. import java.net.URLEncoder;  
5.   
6. import org.apache.commons.httpclient.HttpClient;  
7. import org.apache.commons.httpclient.HttpMethod;  
8. import org.apache.commons.httpclient.NameValuePair;  
9. import org.apache.commons.httpclient.methods.GetMethod;  
10. import org.apache.commons.httpclient.methods.PostMethod;  
11.   
12. public class HttpClientTest {  
13.   
14.     public static void main(String[] args) throws Exception{  
15.         String url = "/webservices/DomesticAirline.asmx/getDomesticAirlinesTime";  
16.         String host = "www.webxml.com.cn";  
17.         String param = "startCity="+URLEncoder.encode("杭州", "utf-8")+"&lastCity=&theDate=&userID=";  
18.         HttpClient httpClient = new HttpClient();  
19.         httpClient.getHostConfiguration().setHost(host, 80, "http");          
20.           
21.         HttpMethod method = getMethod(url, param);  
22.         //HttpMethod method = postMethod(url);  
23.           
24.         httpClient.executeMethod(method);  
25.           
26.         String response = method.getResponseBodyAsString();  
27.         //String response = new String(method.getResponseBodyAsString().getBytes("ISO-8859-1"));                  
28.         System.out.println(response);  
29.     }  
30.       
31.     private static HttpMethod getMethod(String url,String param) throws IOException{  
32.         GetMethod get = new GetMethod(url+"?"+param);  
33.         get.releaseConnection();  
34.         return get;  
35.     }  
36.           
37.     private static HttpMethod postMethod(String url) throws IOException{   
38.         PostMethod post = new PostMethod(url);  
39.         post.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=gbk");    
40.         NameValuePair[] param = { new NameValuePair("startCity","杭州"),  
41.                 new NameValuePair("lastCity","沈阳"),  
42.                 new NameValuePair("userID",""),  
43.                 new NameValuePair("theDate","") } ;  
44.         post.setRequestBody(param);  
45.         post.releaseConnection();  
46.         return post;  
47.     }  
48. }  

     

HttpClient使用Post和Get提交参数