httpClient工具类

 ?1 package com.ideal.common.util; ?2 ??3 import java.io.BufferedReader; ?4 import java.io.DataInputStream; ?5 import java.io.DataOutputStream; ?6 import java.io.File; ?7 import java.io.FileInputStream; ?8 import java.io.IOException; ?9 import java.io.InputStreamReader; 10 import java.io.OutputStream; 11 import java.io.OutputStreamWriter; 12 import java.net.HttpURLConnection; 13 import java.net.URL; 14 import java.net.URLConnection; 15 import java.util.ArrayList; 16 import java.util.HashMap; 17 import java.util.Iterator; 18 import java.util.List; 19 import java.util.Map; 20 import java.util.Map.Entry; 21 ?22 import javax.activation.MimetypesFileTypeMap; 23 ?24 import org.apache.http.HttpEntity; 25 import org.apache.http.HttpResponse; 26 import org.apache.http.NameValuePair; 27 import org.apache.http.client.HttpClient; 28 import org.apache.http.client.entity.UrlEncodedFormEntity; 29 import org.apache.http.client.methods.HttpPost; 30 import org.apache.http.impl.client.DefaultHttpClient; 31 import org.apache.http.message.BasicNameValuePair; 32 import org.apache.http.util.EntityUtils; 33 ?34 ?35 @SuppressWarnings("deprecation") 36 public class HttpXmlClient { 37 ?????/** 38 ?????* 向指定URL发送GET方法的请求 39 ?????* ?40 ?????* @param url 41 ?????* ???????????发送请求的URL 42 ?????* @param param 43 ?????* ???????????请求参数，请求参数应该是 name1=value1&name2=value2 的形式。 44 ?????* @return URL 所代表远程资源的响应结果 45 ?????*/ 46 ????public static String sendGet(String url, String param) { 47 ????????String result = ""; 48 ????????BufferedReader in = null; 49 ????????try { 50 ????????????String urlNameString = url; 51 ????????????if (param != null) { 52 ????????????????urlNameString = urlNameString + "?" + param; 53 ????????????} 54 ????????????URL realUrl = new URL(urlNameString); 55 ????????????// 打开和URL之间的连接 56 ????????????URLConnection connection = realUrl.openConnection(); 57 ????????????// 设置通用的请求属性 58 ????????????connection.setRequestProperty("accept", "*/*"); 59 ????????????connection.setRequestProperty("connection", "Keep-Alive"); 60 ????????????connection.setRequestProperty("user-agent", 61 ????????????????????"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); 62 ????????????// 建立实际的连接 63 ????????????connection.connect(); 64 ????????????// 获取所有响应头字段 65 ????????????Map<String, List<String>> map = connection.getHeaderFields(); 66 ????????????// 遍历所有的响应头字段 67 ????????????for (String key : map.keySet()) { 68 ????????????????System.out.println(key + "--->" + map.get(key)); 69 ????????????} 70 ????????????// 定义 BufferedReader输入流来读取URL的响应 71 ????????????in = new BufferedReader(new InputStreamReader( 72 ????????????????????connection.getInputStream(),"utf-8"));//防止乱码 73 ????????????String line; 74 ????????????while ((line = in.readLine()) != null) { 75 ????????????????result += line; 76 ????????????} 77 ????????} catch (Exception e) { 78 ????????????System.out.println("发送GET请求出现异常！" + e); 79 ????????????e.printStackTrace(); 80 ????????} 81 ????????// 使用finally块来关闭输入流 82 ????????finally { 83 ????????????try { 84 ????????????????if (in != null) { 85 ????????????????????in.close(); 86 ????????????????} 87 ????????????} catch (Exception e2) { 88 ????????????????e2.printStackTrace(); 89 ????????????} 90 ????????} 91 ????????return result; 92 ????} 93 ????public static String doPost(String url,Map<String,String> map) { 94 ????????String body = null; 95 ????????HttpEntity entity = null; 96 ????????System.out.println(url); 97 ????????try { 98 ????????????@SuppressWarnings("resource") 99 ????????????HttpClient httpClient = new DefaultHttpClient();100 ????????????HttpPost method = new HttpPost(url); 101 ?????????????//设置参数 ?102 ????????????List<NameValuePair> list = new ArrayList<NameValuePair>(); ?103 ????????????Iterator iterator = map.entrySet().iterator(); ?104 ????????????while(iterator.hasNext()){ ?105 ????????????????Entry<String,String> elem = (Entry<String, String>) iterator.next(); ?106 ????????????????list.add(new BasicNameValuePair(elem.getKey(),elem.getValue())); ?107 ????????????} ?108 ????????????if(list.size() > 0){ ?109 ????????????????UrlEncodedFormEntity entity1 = new UrlEncodedFormEntity(list,"utf-8"); ?110 ????????????????method.setEntity(entity1); ?111 ????????????} 112 ????????????HttpResponse httpresponse = httpClient.execute(method);113 ????????????entity = httpresponse.getEntity();114 ????????????body = EntityUtils.toString(entity);115 ????????????if (entity != null) {116 ????????????????entity.consumeContent();117 ????????????}118 ????????} catch (Exception e) {119 ????????????e.printStackTrace();120 ????????} finally {121 ????????????if (entity != null) {122 ????????????????try {123 ????????????????????entity.consumeContent();124 ????????????????} catch (IOException e) {125 ????????????????????e.printStackTrace();126 ????????????????}127 ????????????}128 ????????}129 ????????return body;130 ????}131 ????/**132 ?????* 上传图片133 ?????* @param urlStr134 ?????* @param textMap135 ?????* @param fileMap136 ?????* @param contentType 没有传入文件类型默认采用application/octet-stream137 ?????* contentType非空采用filename匹配默认的图片类型138 ?????* @return 返回response数据139 ?????*/140 ????@SuppressWarnings("rawtypes")141 ????public static String formUpload(String urlStr, Map<String, String> textMap,142 ????????????Map<String, String> fileMap,String contentType) {143 ????????String res = "";144 ????????HttpURLConnection conn = null;145 ????????// boundary就是request头和上传文件内容的分隔符146 ????????String BOUNDARY = "---------------------------123821742118716"; 147 ????????try {148 ????????????URL url = new URL(urlStr);149 ????????????conn = (HttpURLConnection) url.openConnection();150 ????????????conn.setConnectTimeout(5000);151 ????????????conn.setReadTimeout(30000);152 ????????????conn.setDoOutput(true);153 ????????????conn.setDoInput(true);154 ????????????conn.setUseCaches(false);155 ????????????conn.setRequestMethod("POST");156 ????????????conn.setRequestProperty("Connection", "Keep-Alive");157 ????????????conn.setRequestProperty("User-Agent",158 ????????????????????"Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.6)");159 ????????????conn.setRequestProperty("Content-Type",160 ????????????????????"multipart/form-data; boundary=" + BOUNDARY);161 ????????????OutputStream out = new DataOutputStream(conn.getOutputStream());162 ????????????// text163 ????????????if (textMap != null) {164 ????????????????StringBuffer strBuf = new StringBuffer();165 ????????????????Iterator iter = textMap.entrySet().iterator();166 ????????????????while (iter.hasNext()) {167 ????????????????????Map.Entry entry = (Map.Entry) iter.next();168 ????????????????????String inputName = (String) entry.getKey();169 ????????????????????String inputValue = (String) entry.getValue();170 ????????????????????if (inputValue == null) {171 ????????????????????????continue;172 ????????????????????}173 ????????????????????strBuf.append("\r\n").append("--").append(BOUNDARY)174 ????????????????????????????.append("\r\n");175 ????????????????????strBuf.append("Content-Disposition: form-data; name=\""176 ????????????????????????????+ inputName + "\"\r\n\r\n");177 ????????????????????strBuf.append(inputValue);178 ????????????????}179 ????????????????out.write(strBuf.toString().getBytes());180 ????????????}181 ????????????// file182 ????????????if (fileMap != null) {183 ????????????????Iterator iter = fileMap.entrySet().iterator();184 ????????????????while (iter.hasNext()) {185 ????????????????????Map.Entry entry = (Map.Entry) iter.next();186 ????????????????????String inputName = (String) entry.getKey();187 ????????????????????String inputValue = (String) entry.getValue();188 ????????????????????if (inputValue == null) {189 ????????????????????????continue;190 ????????????????????}191 ????????????????????File file = new File(inputValue);192 ????????????????????String filename = file.getName();193 ????????????????????194 ????????????????????//没有传入文件类型，同时根据文件获取不到类型，默认采用application/octet-stream195 ????????????????????contentType = new MimetypesFileTypeMap().getContentType(file);196 ????????????????????//contentType非空采用filename匹配默认的图片类型197 ????????????????????if(!"".equals(contentType)){198 ????????????????????????if (filename.endsWith(".png")) {199 ????????????????????????????contentType = "image/png"; 200 ????????????????????????}else if (filename.endsWith(".jpg") || filename.endsWith(".jpeg") || filename.endsWith(".jpe")) {201 ????????????????????????????contentType = "image/jpeg";202 ????????????????????????}else if (filename.endsWith(".gif")) {203 ????????????????????????????contentType = "image/gif";204 ????????????????????????}else if (filename.endsWith(".ico")) {205 ????????????????????????????contentType = "image/image/x-icon";206 ????????????????????????}207 ????????????????????}208 ????????????????????if (contentType == null || "".equals(contentType)) {209 ????????????????????????contentType = "application/octet-stream";210 ????????????????????}211 ????????????????????StringBuffer strBuf = new StringBuffer();212 ????????????????????strBuf.append("\r\n").append("--").append(BOUNDARY)213 ????????????????????????????.append("\r\n");214 ????????????????????strBuf.append("Content-Disposition: form-data; name=\""215 ????????????????????????????+ inputName + "\"; filename=\"" + filename216 ????????????????????????????+ "\"\r\n");217 ????????????????????strBuf.append("Content-Type:" + contentType + "\r\n\r\n");218 ????????????????????out.write(strBuf.toString().getBytes());219 ????????????????????DataInputStream in = new DataInputStream(220 ????????????????????????????new FileInputStream(file));221 ????????????????????int bytes = 0;222 ????????????????????byte[] bufferOut = new byte[1024];223 ????????????????????while ((bytes = in.read(bufferOut)) != -1) {224 ????????????????????????out.write(bufferOut, 0, bytes);225 ????????????????????}226 ????????????????????in.close();227 ????????????????}228 ????????????}229 ????????????byte[] endData = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();230 ????????????out.write(endData);231 ????????????out.flush();232 ????????????out.close();233 ????????????// 读取返回数据234 ????????????StringBuffer strBuf = new StringBuffer();235 ????????????BufferedReader reader = new BufferedReader(new InputStreamReader(236 ????????????????????conn.getInputStream()));237 ????????????String line = null;238 ????????????while ((line = reader.readLine()) != null) {239 ????????????????strBuf.append(line).append("\n");240 ????????????}241 ????????????res = strBuf.toString();242 ????????????reader.close();243 ????????????reader = null;244 ????????} catch (Exception e) {245 ????????????System.out.println("发送POST请求出错。" + urlStr);246 ????????????e.printStackTrace();247 ????????} finally {248 ????????????if (conn != null) {249 ????????????????conn.disconnect();250 ????????????????conn = null;251 ????????????}252 ????????}253 ????????return res;254 ????}255 ????public static String httpPostRequest(String url, String postContent) throws Exception{ ?256 ????????OutputStream outputstream = null; ?257 ????????BufferedReader in = null; ?258 ????????try ?259 ????????{ ?260 ????????????URL url2 = new URL(url);261 ????????????URLConnection httpurlconnection = url2.openConnection(); ?262 ????????????httpurlconnection.setConnectTimeout(10 * 1000); ?263 ????????????httpurlconnection.setDoOutput(true); ?264 ????????????httpurlconnection.setUseCaches(false); ?265 ????????????OutputStreamWriter out = new OutputStreamWriter(httpurlconnection ?266 ????????????????????.getOutputStream(), "UTF-8"); ?267 ????????????out.write(postContent); ?268 ????????????out.flush(); ?269 ??????????????270 ????????????StringBuffer result = new StringBuffer(); ?271 ????????????in = new BufferedReader(new InputStreamReader(httpurlconnection ?272 ????????????????????.getInputStream(),"UTF-8")); ?273 ????????????String line; ?274 ????????????while ((line = in.readLine()) != null) ?275 ????????????{ ?276 ????????????????result.append(line); ?277 ????????????} ?278 ????????????return result.toString(); ?279 ????????} ?280 ????????catch(Exception ex){ ?281 ????????????throw new Exception("post请求异常：" + ex.getMessage()); ?282 ????????} ?283 ????????finally ?284 ????????{ ?285 ????????????if (outputstream != null) ?286 ????????????{ ?287 ????????????????try ?288 ????????????????{ ?289 ????????????????????outputstream.close(); ?290 ????????????????} ?291 ????????????????catch (IOException e) ?292 ????????????????{ ?293 ????????????????????outputstream = null; ?294 ????????????????} ?295 ????????????} ?296 ????????????if (in != null) ?297 ????????????{ ?298 ????????????????try ?299 ????????????????{ ?300 ????????????????????in.close(); ?301 ????????????????} ?302 ????????????????catch (IOException e) ?303 ????????????????{ ?304 ????????????????????in = null; ?305 ????????????????} ?306 ????????????} ?307 ????????} ????308 ????} 309 ????/**310 ?????* 测试上传png图片311 ?????* 312 ?????*/313 ????public static void testUploadImage(){314 ????????String url = "http://10.4.253.41/PTYUN1.2/extLogin/test.do";315 ????????String fileName = "E:/test/ts.png";316 ????????Map<String, String> textMap = new HashMap<String, String>();317 ????????//可以设置多个input的name，value318 ????????textMap.put("name", "testname");319 ????????textMap.put("type", "2");320 ????????//设置file的name，路径321 ????????Map<String, String> fileMap = new HashMap<String, String>();322 ????????fileMap.put("upfile", fileName);323 ????????String contentType = "";//image/png324 ????????String ret = formUpload(url, textMap, fileMap,contentType);325 ????????System.out.println(ret);326 ????????//{"status":"0","message":"add succeed","baking_url":"group1\/M00\/00\/A8\/CgACJ1Zo-LuAN207AAQA3nlGY5k151.png"}327 ????}328 ????public static void main(String[] args) throws Exception {329 // ?????????Map<String,String> createMap = new HashMap<String,String>();330 // ?????????331 // ?????????createMap.put("authuser","*****"); ?332 // ?????????createMap.put("authpass","*****"); ?333 // ?????????createMap.put("orgkey","****"); ?334 // ?????????createMap.put("orgname","yonghuming"); ?335 // ?????????String result = HttpXmlClient.doPost("http://10.4.253.41/PTYUN1.2/extLogin/extEdit.do",createMap);336 // ?????????System.out.println(result);337 ????????testUploadImage();338 ????}339 }