人人网开放平台API2.0获得用户信息

package demo.utils; import java.io.BufferedInputStream; import java.io.BufferedReader; import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import java.util.Iterator; import java.util.Map; import java.util.Set; public final class HttpURLUtils { public static void main(String[] args) { } public static String doPost(String reqUrl, Map<String, String> parameters) { HttpURLConnection urlConn = null; try { urlConn = sendPost(reqUrl, parameters); String responseContent = getContent(urlConn); return responseContent.trim(); } finally { if (urlConn != null) { urlConn.disconnect(); urlConn = null; } } } public static String doUploadFile(String reqUrl, Map<String, String> parameters, String fileParamName, String filename, String contentType, byte[] data) { HttpURLConnection urlConn = null; try { urlConn = sendFormdata(reqUrl, parameters, fileParamName, filename, contentType, data); String responseContent = new String(getBytes(urlConn)); return responseContent.trim(); } catch (Exception e) { throw new RuntimeException(e.getMessage(), e); } finally { if (urlConn != null) urlConn.disconnect(); } } private static HttpURLConnection sendFormdata(String reqUrl, Map<String, String> parameters, String fileParamName, String filename, String contentType, byte[] data) { HttpURLConnection urlConn = null; try { URL url = new URL(reqUrl); urlConn = (HttpURLConnection)url.openConnection(); urlConn.setRequestMethod("POST"); urlConn.setConnectTimeout(5000); urlConn.setReadTimeout(5000); urlConn.setDoOutput(true); urlConn.setRequestProperty("connection", "keep-alive"); String boundary = "-----------------------------114975832116442893661388290519"; urlConn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary); boundary = "--" + boundary; StringBuffer params = new StringBuffer(); Iterator iter; if (parameters != null) { for (iter = parameters.keySet().iterator(); iter.hasNext(); ) { String name = (String)iter.next(); String value = (String)parameters.get(name); params.append(boundary + "\r\n"); params.append("Content-Disposition: form-data; name=\"" + name + "\"\r\n\r\n"); params.append(value); params.append("\r\n"); } } StringBuilder sb = new StringBuilder(); sb.append(boundary); sb.append("\r\n"); sb.append("Content-Disposition: form-data; name=\"" + fileParamName + "\"; filename=\"" + filename + "\"\r\n"); sb.append("Content-Type: " + contentType + "\r\n\r\n"); byte[] fileDiv = sb.toString().getBytes("UTF-8"); byte[] endData = ("\r\n" + boundary + "--\r\n").getBytes("UTF-8"); byte[] ps = params.toString().getBytes("UTF-8"); OutputStream os = urlConn.getOutputStream(); os.write(ps); os.write(fileDiv); os.write(data); os.write(endData); os.flush(); os.close(); } catch (Exception e) { throw new RuntimeException(e.getMessage(), e); } return urlConn; } private static String getContent(HttpURLConnection urlConn) { try { String responseContent = null; InputStream in = urlConn.getInputStream(); BufferedReader rd = new BufferedReader(new InputStreamReader(in, "UTF-8")); String tempLine = rd.readLine(); StringBuffer tempStr = new StringBuffer(); String crlf = System.getProperty("line.separator"); while (tempLine != null) { tempStr.append(tempLine); tempStr.append(crlf); tempLine = rd.readLine(); } responseContent = tempStr.toString(); rd.close(); in.close(); return responseContent; } catch (Exception e) { throw new RuntimeException(e.getMessage(), e); } } public static byte[] getBytes(String reqUrl) { return getBytes(reqUrl, null); } public static byte[] getBytes(String reqUrl, Map<String, String> parameters) { HttpURLConnection conn = sendGet(reqUrl, parameters); return getBytes(conn); } private static byte[] getBytes(HttpURLConnection urlConn) { try { InputStream in = urlConn.getInputStream(); ByteArrayOutputStream os = new ByteArrayOutputStream(); byte[] buf = new byte[1024]; for (int i = 0; (i = in.read(buf)) > 0; ) os.write(buf, 0, i); in.close(); return os.toByteArray(); } catch (Exception e) { throw new RuntimeException(e.getMessage(), e); } } private static HttpURLConnection sendPost(String reqUrl, Map<String, String> parameters) { HttpURLConnection urlConn = null; try { String params = generatorParamString(parameters); URL url = new URL(reqUrl); urlConn = (HttpURLConnection)url.openConnection(); urlConn.setRequestMethod("POST"); urlConn.setConnectTimeout(5000); urlConn.setReadTimeout(5000); urlConn.setDoOutput(true); byte[] b = params.getBytes("UTF-8"); urlConn.getOutputStream().write(b, 0, b.length); urlConn.getOutputStream().flush(); urlConn.getOutputStream().close(); } catch (Exception e) { throw new RuntimeException(e.getMessage(), e); } return urlConn; } private static HttpURLConnection sendGet(String reqUrl, Map<String, String> parameters) { HttpURLConnection urlConn = null; try { String params = generatorParamString(parameters); URL url = new URL(reqUrl); urlConn = (HttpURLConnection)url.openConnection(); urlConn.setRequestMethod("GET"); urlConn.setConnectTimeout(5000); urlConn.setReadTimeout(5000); urlConn.setDoOutput(true); if ((params != null) && (!"".equals(params))) { byte[] b = params.getBytes(); urlConn.getOutputStream().write(b, 0, b.length); urlConn.getOutputStream().flush(); urlConn.getOutputStream().close(); } } catch (Exception e) { throw new RuntimeException(e.getMessage(), e); } return urlConn; } public static String generatorParamString(Map<String, String> parameters) { StringBuffer params = new StringBuffer(); Iterator iter; if (parameters != null) { for (iter = parameters.keySet().iterator(); iter.hasNext(); ) { String name = (String)iter.next(); String value = (String)parameters.get(name); params.append(name + "="); try { params.append(URLEncoder.encode(value, "UTF-8")); } catch (UnsupportedEncodingException e) { throw new RuntimeException(e.getMessage(), e); } catch (Exception e) { String message = String.format("'%s'='%s'", new Object[] { name, value }); throw new RuntimeException(message, e); } if (iter.hasNext()) params.append("&"); } } return params.toString(); } public static String doGet(String link, String charset) { try { URL url = new URL(link); HttpURLConnection conn = (HttpURLConnection)url.openConnection(); conn.setRequestMethod("GET"); conn.setRequestProperty("User-Agent", "Mozilla/5.0"); BufferedInputStream in = new BufferedInputStream(conn.getInputStream()); ByteArrayOutputStream out = new ByteArrayOutputStream(); byte[] buf = new byte[1024]; for (int i = 0; (i = in.read(buf)) > 0; ) { out.write(buf, 0, i); } out.flush()