httpClient工具類
阿新 • • 發佈：2017-09-08
-c pair div 設置 put readline 4.0 使用 ted
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 importorg.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發送GET方法的請求 39 * 40 * @param url 41 * 發送請求的URL 42 * @param param 43 * 請求參數，請求參數應該是 name1=value1&name2=value2 的形式。 44 * @return URL 所代表遠程資源的響應結果 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 // 打開和URL之間的連接 56 URLConnection connection = realUrl.openConnection(); 57 // 設置通用的請求屬性 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 // 建立實際的連接 63 connection.connect(); 64 // 獲取所有響應頭字段 65 Map<String, List<String>> map = connection.getHeaderFields(); 66 // 遍歷所有的響應頭字段 67 for (String key : map.keySet()) { 68 System.out.println(key + "--->" + map.get(key)); 69 } 70 // 定義 BufferedReader輸入流來讀取URL的響應 71 in = new BufferedReader(new InputStreamReader( 72 connection.getInputStream(),"utf-8"));//防止亂碼 73 String line; 74 while ((line = in.readLine()) != null) { 75 result += line; 76 } 77 } catch (Exception e) { 78 System.out.println("發送GET請求出現異常！" + e); 79 e.printStackTrace(); 80 } 81 // 使用finally塊來關閉輸入流 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 //設置參數 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 * 上傳圖片 133 * @param urlStr 134 * @param textMap 135 * @param fileMap 136 * @param contentType 沒有傳入文件類型默認采用application/octet-stream 137 * contentType非空采用filename匹配默認的圖片類型 138 * @return 返回response數據 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頭和上傳文件內容的分隔符 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 // text 163 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 // file 182 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 //沒有傳入文件類型，同時根據文件獲取不到類型，默認采用application/octet-stream 195 contentType = new MimetypesFileTypeMap().getContentType(file); 196 //contentType非空采用filename匹配默認的圖片類型 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=\"" + filename 216 + "\"\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 // 讀取返回數據 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("發送POST請求出錯。" + 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請求異常：" + 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 * 測試上傳png圖片 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 //可以設置多個input的name，value 318 textMap.put("name", "testname"); 319 textMap.put("type", "2"); 320 //設置file的name，路徑 321 Map<String, String> fileMap = new HashMap<String, String>(); 322 fileMap.put("upfile", fileName); 323 String contentType = "";//image/png 324 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 }
httpClient工具類