手写http请求

Map workerHelmet=new HashMap<>();

workerHelmet.put("sn",helmetID[0]);

workerHelmet.put("workerId",projectWorkerID[0]);

workerHelmet.put("createTime",new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ").format(new Date()));

BufferedReader reader = null;

HttpURLConnection httpURLConnection = null;

String strUrl = "http:xxxxxxxxxx";//请求地址

String strParm = JSONObject.toJSONString(workerHelmet);//组装json格式

try {

URL url = new URL(strUrl);

httpURLConnection = (HttpURLConnection) url.openConnection();

httpURLConnection.setRequestMethod("POST");//请求方式POST GET PUT DELETE..

httpURLConnection.setUseCaches(false);

httpURLConnection.setRequestProperty("Content-Type", "application/json;charset=UTF-8");

httpURLConnection.setDoOutput(true);// 是否输入参数

httpURLConnection.setConnectTimeout(30000);//连接超时时间

httpURLConnection.setReadTimeout(3000);//读取超时时间

httpURLConnection.getOutputStream().write(strParm.getBytes("utf-8"));//设置字符集

httpURLConnection.connect();

int responseCode = httpURLConnection.getResponseCode();

if (responseCode == HttpURLConnection.HTTP_OK) {

InputStream inputStream = httpURLConnection.getInputStream();

reader = new BufferedReader(new InputStreamReader(inputStream, "utf-8"));

String result = reader.readLine();

} else {

InputStream inputStream = httpURLConnection.getInputStream();

reader = new BufferedReader(new InputStreamReader(inputStream, "utf-8"));

String result = reader.readLine();

}

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

if (null != reader)

reader.close();

if (null != httpURLConnection)

httpURLConnection.disconnect();

 

} catch (Exception ex) {

ex.printStackTrace();

}

}