HttpClientUtil方便测试开发post和get请求

import java.io.BufferedInputStream;import java.io.BufferedReader;import java.io.InputStreamReader;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.NameValuePair;import org.apache.commons.httpclient.methods.GetMethod;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;public class HttpClientUtil {/** * Logger for this class */private static Log loger = LogFactory.getLog(HttpClientUtil.class);private static HttpClient client ;public static HttpClient getInstance(){client=new HttpClient();return client;}/** * Getֵ * @param request */public static String getResponseByGet(String url, NameValuePair[] params) {GetMethod method = new GetMethod(url);if(params != null) method.setQueryString(params);String rel = "";if(client==null){client=new HttpClient();}try{client.executeMethod(method);BufferedInputStream is = new BufferedInputStream(method.getResponseBodyAsStream());BufferedReader br = new BufferedReader(new InputStreamReader(is,"GBK"));StringBuffer result = new StringBuffer();String temp = null;while ((temp = br.readLine()) != null) {result.append(temp);result.append("\n");}rel = result.toString();br.close();is.close();br=null;is=null;method.abort();method.releaseConnection();method = null;} catch(Exception e) {e.printStackTrace();}return rel;}public static String getResponseByPost(String url, NameValuePair[] params) {PostMethod method = new PostMethod(url); if(params != null) method.setQueryString(params);String rel = "";if(client==null){client=new HttpClient();}try{client.executeMethod(method);BufferedInputStream is = new BufferedInputStream(method.getResponseBodyAsStream());BufferedReader br = new BufferedReader(new InputStreamReader(is,"GBK"));StringBuffer result = new StringBuffer();String temp = null;while ((temp = br.readLine()) != null) {result.append(temp);result.append("\n");}rel = result.toString();br.close();is.close();br=null;is=null;method.abort();method.releaseConnection();method = null;} catch(Exception e) {e.printStackTrace();}return rel;}public static String getResponseByUTF8Post(String url, NameValuePair[] params) {PostMethod method = new PostMethod(url); if(params != null) method.setRequestBody(params);String rel = "";if(client==null){client=new HttpClient();}try{client.executeMethod(method);BufferedInputStream is = new BufferedInputStream(method.getResponseBodyAsStream());BufferedReader br = new BufferedReader(new InputStreamReader(is,"UTF-8"));StringBuffer result = new StringBuffer();String temp = null;while ((temp = br.readLine()) != null) {result.append(temp);result.append("\n");}rel = result.toString();br.close();is.close();br=null;is=null;method.abort();method.releaseConnection();method = null;} catch(Exception e) {e.printStackTrace();}return rel;}}