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Java HTTP ??????

?????

??????? HTTP ??????????????????

1. ?? URL ?????

URL url = new URL(path);HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();

2. ???????????

httpURLConnection.setRequestMethod(method);httpURLConnection.setRequestProperty("accept", "*/*");httpURLConnection.setRequestProperty("connection", "Keep-Alive");httpURLConnection.setRequestProperty("Content-Type", "application/json;charset=utf-8");

3. ?????????

OutputStreamWriter out = new OutputStreamWriter(httpURLConnection.getOutputStream(), "UTF-8");out.write(data);out.flush();InputStream inputStream = httpURLConnection.getInputStream();br = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));String str = "";while ((str = br.readLine()) != null) {    result.append(str);}return result.toString();

????

1. URL ???????

????? new URL(path) ?? URL ?????????? HttpURLConnection ??????????????????? HTTP ?????????????

2. ??????

???????????????????????????? method?????????????????????????????????????????????

???setDoOutput(true) ? setDoInput(true) ????????????????????????????????

3. ?????????

?? OutputStreamWriter ???? UTF-8 ????????????????????????? InputStreamReader ?????????????????????????????

????

?????????? JSON ????????????????????????????????

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