http请求工具类

本工具类是根据apache的开源框架httpClient4基础上进行封装的，可以很方便的使用！直接贴上代码

该工具类依赖jar包

<dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpclient</artifactId><version>4.2.3</version></dependency>

工具类代码如下

package com.framelib.utils;import java.io.BufferedInputStream;import java.io.IOException;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 java.util.concurrent.TimeUnit;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.HttpVersion;import org.apache.http.NameValuePair;import org.apache.http.ParseException;import org.apache.http.client.HttpClient;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.client.params.AllClientPNames;import org.apache.http.client.params.ClientPNames;import org.apache.http.client.params.CookiePolicy;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.message.BasicNameValuePair;import org.apache.http.protocol.HTTP;import org.apache.http.util.EntityUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/** * @author caozhifei * @version 创建时间：2015-3-28 下午3:42:46 httpclient4工具类 */public class HttpClient4Util {private static Logger log = LoggerFactory.getLogger(HttpClient4Util.class);private static void setHttpClient(HttpClient httpclient) {httpclient.getParams().setParameter(ClientPNames.COOKIE_POLICY,CookiePolicy.BROWSER_COMPATIBILITY);httpclient.getConnectionManager().closeIdleConnections(10,TimeUnit.SECONDS);httpclient.getParams().setParameter(AllClientPNames.PROTOCOL_VERSION,HttpVersion.HTTP_1_1);httpclient.getParams().setParameter(AllClientPNames.USE_EXPECT_CONTINUE, Boolean.TRUE);httpclient.getParams().setParameter(AllClientPNames.HTTP_CONTENT_CHARSET, HTTP.UTF_8);// httpclient.getParams().setParameter(AllClientPNames.CONN_MANAGER_TIMEOUT,1000);httpclient.getParams().setParameter(AllClientPNames.CONNECTION_TIMEOUT,4000);httpclient.getParams().setParameter(AllClientPNames.SO_TIMEOUT, 5000);}/** * 发送Get请求 *  * @param url * @param params * @return */public static String get(String url, Map<String, String> map) {HttpClient httpclient = new DefaultHttpClient();List<NameValuePair> nvps = new ArrayList<NameValuePair>();if (null != map) {for (String key : map.keySet()) {NameValuePair nvp = new BasicNameValuePair(key, map.get(key));nvps.add(nvp);}}setHttpClient(httpclient);String body = null;HttpGet httpget = new HttpGet(url);try {// Get请求// 设置参数String str = EntityUtils.toString(new UrlEncodedFormEntity(nvps));httpget.setURI(new URI(httpget.getURI().toString() + "?" + str));// 发送请求HttpResponse httpresponse = httpclient.execute(httpget);// 获取返回数据HttpEntity entity = httpresponse.getEntity();body = EntityUtils.toString(entity);if (entity != null) {entity.consumeContent();}} catch (ParseException e) {log.error(e.toString(), e);} catch (UnsupportedEncodingException e) {log.error(e.toString(), e);} catch (IOException e) {log.error(e.toString(), e);} catch (URISyntaxException e) {log.error(e.toString(), e);} finally {httpclient.getConnectionManager().shutdown();}return body;}/** * 发送Get请求 *  * @param url * @param params * @return */public static String get(String url) {HttpClient httpclient = new DefaultHttpClient();setHttpClient(httpclient);String body = null;// if(!CharTools.isUtf8Url(url)){// url = CharTools.Utf8URLencode(url);// }HttpGet httpget = new HttpGet(url);try {// Get请求// 设置参数// String str = EntityUtils.toString(new// UrlEncodedFormEntity(params));// httpget.setURI(new URI(httpget.getURI().toString() + "?" + str));httpget.setURI(new URI(url));// 发送请求HttpResponse httpresponse = httpclient.execute(httpget);// 获取返回数据HttpEntity entity = httpresponse.getEntity();body = EntityUtils.toString(entity);if (entity != null) {entity.consumeContent();}} catch (ParseException e) {log.error(e.toString(), e);} catch (UnsupportedEncodingException e) {log.error(e.toString(), e);} catch (IOException e) {log.error(e.toString(), e);} catch (URISyntaxException e) {log.error(e.toString(), e);} finally {httpclient.getConnectionManager().shutdown();}return body;}/** * post请求 *  * @param url * @param map * @return */public static String post(String url, Map<String, String> map) {List<NameValuePair> nvps = new ArrayList<NameValuePair>();if (null != map) {for (String key : map.keySet()) {NameValuePair nvp = new BasicNameValuePair(key, map.get(key));nvps.add(nvp);}}String html = null;String result = "";HttpPost httpPost = new HttpPost(url);HttpResponse httpResponse = null;HttpClient httpclient = new DefaultHttpClient();setHttpClient(httpclient);try {httpPost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));httpResponse = httpclient.execute(httpPost);BufferedInputStream buffer = new BufferedInputStream(httpResponse.getEntity().getContent());byte[] bytes = new byte[1024];int line = 0;StringBuilder builder = new StringBuilder();while ((line = buffer.read(bytes)) != -1) {builder.append(new String(bytes, 0, line, "UTF-8"));}result = builder.toString();} catch (Exception e) {log.error(e.toString(), e);} finally {if (httpPost.isAborted()) {httpPost.abort();}httpclient.getConnectionManager().shutdown();}return result;}public static void main(String[] args) {Map map = new HashMap();map.put("name", "123");// http://127.0.0.1:8080/test/index.htm// String html = HttpClient4Util.get(// "http://127.0.0.1:8080/test/index.htm");// String message = "范围是否";// message = CharTools.Utf8URLencode(message);long t1 = System.currentTimeMillis();for (int i = 0; i < 10000; i++) {String html = HttpClient4Util.get("http://192.168.6.105:8080/test/login.htm", map);// System.out.println(html);if (i % 1000 == 0) {System.out.println(i);}}long t2 = System.currentTimeMillis();System.out.println("time@@@@####:" + (t2 - t1));}}