java http get post 各种请求，模拟浏览器请求

package com.hlzt.wx.util.http;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.impl.client.DefaultHttpClient;import com.hlzt.wx.util.token.GlobalAccessTokenUtils;public class HttpClientConnectionManager {   // http客户端private static DefaultHttpClient httpclient=new DefaultHttpClient(); public static DefaultHttpClient getHttpclient() {return httpclient;}public static void setHttpclient(DefaultHttpClient httpclient) {HttpClientConnectionManager.httpclient = httpclient;} /**  * 获取SSL验证的HttpClient  * @param httpClient  * @return  *//* public static HttpClient getSSLInstance(HttpClient httpClient){  ClientConnectionManager ccm = httpClient.getConnectionManager();  SchemeRegistry sr = ccm.getSchemeRegistry();  sr.register(new Scheme("https", MySSLSocketFactory.getInstance(), 443));  httpClient =  new DefaultHttpClient(ccm, httpClient.getParams());  return httpClient; }*/  /**  * 模拟浏览器post提交  * @param url  * @return  */ public static HttpPost getPostMethod(String url) {  HttpPost pmethod = new HttpPost(url); // 设置响应头信息  pmethod.addHeader("Connection", "keep-alive");  pmethod.addHeader("Accept", "*/*");  pmethod.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");  pmethod.addHeader("Host", "mp.weixin.qq.com");  pmethod.addHeader("X-Requested-With", "XMLHttpRequest");  pmethod.addHeader("Cache-Control", "max-age=0");  pmethod.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");  return pmethod; } /**  * 模拟浏览器GET提交  * @param url  * @return  */ public static HttpGet getGetMethod(String url) {  HttpGet pmethod = new HttpGet(url);  // 设置响应头信息  pmethod.addHeader("Connection", "keep-alive");  pmethod.addHeader("Cache-Control", "max-age=0");  pmethod.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");  pmethod.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/;q=0.8");  return pmethod; }}

package com.hlzt.wx.util.http;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.nio.charset.Charset;import java.util.ArrayList;import java.util.List;import net.sf.json.JSONObject;import org.apache.commons.collections4.map.LinkedMap;import org.apache.commons.io.IOUtils;import org.apache.http.HttpEntity;import org.apache.http.HttpException;import org.apache.http.HttpResponse;import org.apache.http.HttpStatus;import org.apache.http.NameValuePair;import org.apache.http.client.HttpClient;import org.apache.http.client.entity.EntityBuilder;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.client.utils.URLEncodedUtils;import org.apache.http.entity.StringEntity;import org.apache.http.entity.mime.MultipartEntityBuilder;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.impl.client.HttpClientBuilder;import org.apache.http.message.BasicNameValuePair;import org.apache.http.util.EntityUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/** * 通过HttpClient访问，网站的url * @author zhouhf * @version 1.0 2014年9月24日 * @since 1.6 */public final class WxHttpClientUtils {/** * 日志对象 */protected static Logger logger = LoggerFactory.getLogger(WxHttpClientUtils.class); // http客户端private static DefaultHttpClient httpclient=new DefaultHttpClient(); public static DefaultHttpClient getHttpclient() {return httpclient;}public static void setHttpclient(DefaultHttpClient httpclient) {WxHttpClientUtils.httpclient = httpclient;}/** * 尝试请求指定链接是否正常 * @param client 客户端对象 * @param url 请求的链接 * @throws HttpException * @throws IOException */public static boolean testUrl(String url){return testUrl(createHttpClient(),url);}/** * 尝试请求指定链接是否正常 * @param client 客户端对象 * @param url 请求的链接 * @throws HttpException * @throws IOException */public static boolean testUrl(HttpClient client,String url){HttpGet httpGet=new HttpGet(url);httpGet.addHeader("Content-Type", "text/html;charset=UTF-8");int statusCode = 0;try {HttpResponse response = client.execute(httpGet);statusCode = response.getStatusLine().getStatusCode();} catch (Exception e) {logger.error("HttpClient请求异常",e);} finally{httpGet.abort();}if(HttpStatus.SC_OK != statusCode){return false;}return true;}/** * 通过GET方法请求服务器文本数据 * @param url 地址 * @param parameters 参数 * @return 结果文本 * @throws HttpException * @throws IOException */public static String httpGetText(String url,LinkedMap<String,Object> parameters) throws HttpException, IOException{return httpGetText(createHttpClient(),url,parameters);}/** * 通过GET方法请求服务器文本数据 * @param client http客户端 * @param url 地址 * @param parameters 参数 * @return 结果文本 * @throws HttpException * @throws IOException */public static String httpGetText(HttpClient client,String url,LinkedMap<String,Object> parameters) throws HttpException, IOException{if(parameters != null && parameters.size() > 0){List<NameValuePair> params = new ArrayList<NameValuePair>();for(int i=0,len = parameters.size(); i < len; i++){Object v = parameters.getValue(i);if(v == null)continue;String value = v.toString();String key = parameters.get(i);params.add(new BasicNameValuePair(key,value));}if(url.indexOf("?") > -1){url += "&" + URLEncodedUtils.format(params, "UTF-8");}else{url += "?" + URLEncodedUtils.format(params, "UTF-8");}}HttpGet httpGet=new HttpGet(url);httpGet.addHeader("Content-Type", "text/html;charset=UTF-8");try{HttpResponse response = client.execute(httpGet);InputStream  is = response.getEntity().getContent();ByteArrayOutputStream os = new ByteArrayOutputStream();IOUtils.copy(is,os);return new String(os.toByteArray(),"UTF-8");}finally{httpGet.abort();}}/** * 通过POST方式向服务器发送数据 * @param client http客户端 * @param url 地址 * @param parameters 参数集 * @param attachs 附件列表 * @return 返回结果 * @throws HttpException * @throws IOException */public static String httpPostUpload(HttpClient client,String url,LinkedMap<String,Object> parameters,LinkedMap<String,File> attachs) throws HttpException, IOException{HttpPost httpPost=new HttpPost(url);HttpEntity entity = null;if(attachs != null && attachs.size() > 0){MultipartEntityBuilder multipartBuilder = MultipartEntityBuilder.create();multipartBuilder.setCharset(Charset.forName("UTF-8"));for(int i = 0,len = attachs.size(); i< len; i++){multipartBuilder.addBinaryBody(attachs.get(i), attachs.getValue(i));}if(parameters != null && parameters.size() > 0){for(int i=0,len = parameters.size(); i < len; i++){Object v = parameters.getValue(i);if(v == null)continue;String value = v.toString();String key = parameters.get(i);multipartBuilder.addTextBody(key, value);}}entity = multipartBuilder.build();}else if(parameters != null && parameters.size() > 0){List<NameValuePair> params = new ArrayList<NameValuePair>();for(int i=0,len = parameters.size(); i < len; i++){Object v = parameters.getValue(i);if(v == null)continue;String value = v.toString();String key = parameters.get(i);params.add(new BasicNameValuePair(key, value));}EntityBuilder builder = EntityBuilder.create();builder.setContentEncoding("UTF-8");builder.setParameters(params);entity = builder.build();}if(entity != null)httpPost.setEntity(entity);try {HttpResponse response = client.execute(httpPost);return EntityUtils.toString(response.getEntity(), "GBK");}finally{httpPost.abort();}}/** * 通过POST方式向服务器发送数据 * @param url 地址 * @param parameters 参数集 * @param attachs 附件列表 * @return 返回结果 * @throws HttpException * @throws IOException */public static String httpPostUpload(String url,LinkedMap<String,Object> parameters,LinkedMap<String,File> attachs) throws HttpException, IOException{return httpPostUpload(createHttpClient(),url,parameters,attachs);}/** * 创建httpClient对象 * @return httpClient对象 */public static HttpClient createHttpClient(){return HttpClientBuilder.create().build();} /**  * 模拟浏览器post提交  * @param url  * @return  */ public static HttpPost getPostMethod(String url) {  HttpPost pmethod = new HttpPost(url); // 设置响应头信息  pmethod.addHeader("Connection", "keep-alive");  pmethod.addHeader("Accept", "*/*");  pmethod.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");  pmethod.addHeader("Host", "mp.weixin.qq.com");  pmethod.addHeader("X-Requested-With", "XMLHttpRequest");  pmethod.addHeader("Cache-Control", "max-age=0");  pmethod.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");  return pmethod; } /**  * 模拟浏览器GET提交  * @param url  * @return  */ public static HttpGet getGetMethod(String url) {  HttpGet pmethod = new HttpGet(url);  // 设置响应头信息  pmethod.addHeader("Connection", "keep-alive");  pmethod.addHeader("Cache-Control", "max-age=0");  pmethod.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");  pmethod.addHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/;q=0.8");  return pmethod; }  /**  * get方式模拟浏览器请求  * @param url  * @return  */ public static String getHttpGetReturnStr(String url) {  HttpGet get = getGetMethod(url); String returnStr=null; try {  HttpResponse response = getHttpclient().execute(get);  returnStr = EntityUtils.toString(response.getEntity(), "utf-8"); } catch (Exception e) {logger.info("#################   HttpGet请求出错");     }return returnStr; }  /**  * post模拟浏览器请求，  * @param url  * @param entityJson  * @return  */ public static String getHttpPostReturnStr(String url,String entityJson) {  HttpPost httpost = HttpClientConnectionManager.getPostMethod(url); httpost.setEntity(new StringEntity(entityJson, "UTF-8")); String returnStr=null;          try {  HttpResponse response = getHttpclient().execute(httpost);  returnStr = EntityUtils.toString(response.getEntity(), "utf-8");  } catch (Exception e) {  logger.info("#################   HttpPost请求出错");  }return returnStr; }}