httpClient入门

dream_ait

package filter.test;import java.io.IOException;import java.io.StringReader;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.HttpException;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;import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.io.SAXReader;/** * @author llg 2011-03-31 */public class HttpTest {public static void main(String[] args) throws HttpException, IOException,DocumentException {//以下是这段代码是查询手机号码归属地及卡的类型String url = "http://www.webxml.com.cn/WebServices/MobileCodeWS.asmx/getMobileCodeInfo?mobileCode=13488056243&userID=";HttpClient http = new HttpClient();// 使用POST方法// HttpMethod method = new PostMethod("http://java.sun.com";);// 使用GET方法HttpMethod method = new GetMethod(url);http.executeMethod(method);// 打印服务器返回的状态System.out.println(method.getStatusLine());String xml = method.getResponseBodyAsString();// 将返回的字符串转成XML 然后用dom4j解析Document doc = null;SAXReader sax = new SAXReader();doc = sax.read(new StringReader(xml));System.out.println(doc.getRootElement().getText());// 释放连接method.releaseConnection();//method2();}static void method2() throws IOException {HttpClient client = new HttpClient();client.getHostConfiguration().setHost("www.imobile.com.cn", 80, "http");HttpMethod method = getPostMethod();// 使用POST方式提交数据client.executeMethod(method);// 打印服务器返回的状态System.out.println(method.getStatusLine());// 打印结果页面String response = new String(method.getResponseBodyAsString().getBytes("8859_1"));// 打印返回的信息System.out.println(response);method.releaseConnection();}// getstatic HttpMethod getGetMethod() {return new GetMethod("/simcard.php?simcard=13488056243");}// poststatic HttpMethod getPostMethod() {PostMethod post = new PostMethod("/simcard.php");NameValuePair simcard = new NameValuePair("simcard", "13488056243");post.setRequestBody(new NameValuePair[] { simcard });return post;}}

资料推荐:http://www.blogjava.net/Alpha/archive/2007/01/22/95216.html