发送HTTP请求，调取第三方接口及返回数据的解析获取

        HTTP是超文本传输协议，其定义了客户端与服务器端之间文本传输的规范。HTTP默认使用80端口，这个端口指的是服务端的端口，而客户端使用的端口是动态分配的。当我们没有指定端口访问时，浏览器会默认帮我们添加80端口。我们也可以自己指定访问端口如：http://www.ip138.com:80。 需要注意的是，现在大多数访问都使用了HTTPS协议，而HTTPS的默认端口为443，如果使用80端口访问HTTPS协议的服务器可能会被拒绝。

发送HTTP请求，调取第三方接口：

public static boolean sendUamPost(String api, String param,String type ,String entityName) throws BusinessException, IOException {
		  String url1 = SysInitQuery.getParaString("GLOBLE00000000000000", "QLUamUrl")+api;
		  Writesendlog log = new Writesendlog();
		  URL url = new URL(url1);
		  // 打开和URL之间的连接
		  URLConnection uc = url.openConnection();
		  // 发送POST请求必须设置
		  uc.setDoOutput(true);
		  uc.setUseCaches(false);
		  // 设置编码格式
		  uc.setRequestProperty("Content-Type","application/json");
		  uc.setRequestProperty("Charset", "UTF-8");
		  uc.setRequestProperty("Content-Length", "10000");
		  HttpURLConnection hc = (HttpURLConnection) uc;
		  hc.setRequestMethod(type);
		  hc.setRequestProperty("Charsert", "UTF-8");
		  OutputStream os = null;
		        DataOutputStream dos = null;
		        String result = "";
		        try {
		         os = hc.getOutputStream();
		         dos = new DataOutputStream(os);
		         dos.write(param.getBytes());
		         dos.flush();
		         BufferedReader bReader = new BufferedReader(new InputStreamReader(hc.getInputStream(),"UTF-8"));
		         int ch;
		         while ((ch = bReader.read()) != -1) {
		          result += String.valueOf((char) ch);
		         }
		        }catch(Exception e) {
		         StringWriter stringWriter = new StringWriter();
			     PrintWriter printWriter = new PrintWriter(stringWriter);
			     e.printStackTrace(printWriter);
			     StringBuffer buffer = stringWriter.getBuffer();
			     String replace = buffer.toString().replace("\n", "").replace("\t", "");
			     nc.bs.logging.Logger.error("统一认证部门推送error:" + replace);
			     log.writesendlog(replace, "UAMdeptError","");
		         ExceptionUtils.wrappBusinessException(entityName+":"+ e.getMessage());
		        } finally {
		        	//使用finally块来关闭输出流、输入流
		            if (dos != null) {
		                try {
		                    dos.close();
		                } catch (Exception e2) {
		                 Logger.error(e2.getMessage(), e2);
		                }
		            }
		            if (os != null) {
		                try {
		                    os.close();
		                } catch (Exception e2) {
		                	Logger.error(e2.getMessage(), e2);
		                }
		            }
		            if(!"".equals(result)&&result!=null) {
		             JSONObject parseObject = JSONObject.parseObject(result);
		             Object object = parseObject.get("code");
		             	if(!"".equals(object)&&object!=null) {
		             		int parseInt = Integer.parseInt(object.toString());
		             			if(parseInt == 0) {
		             				log.writesendlog(param, entityName+"chenggong","");
		             				return true;
		             			}
		             	}
//		    			log.writesendlog(result, "UAMdeptfanhuizhi","");
		             	log.writesendlog(url1+";;type:"+type+";;;数据:"+param, entityName+"error","");
		            }else {
//		             	log.writesendlog(result, "UAMdeptfanhuizhi","");
		            	log.writesendlog(url1+";;type:"+type+";;;数据:"+param, entityName+"error","");
		            }
		            log.writesendlog(url1+";;type:"+type+";;;数据:"+param+";;;返回值:"+result, "UAM","");
		            nc.bs.logging.Logger.error("统一认证返回值:" + result);
		        }
		  return  false;
		 }