直接POST过去报文以及解析xml报文方法-优快云博客

本文链接：https://blog.youkuaiyun.com/wpplvhq/article/details/6880429

本文详细介绍了如何使用Java的HttpURLConnection类实现HTTP POST请求，并解析服务器返回的JSON响应内容，提取关键信息。

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String sendinfo="";//报文内容

URL url;
  try {
   url = new URL(linkurl);
   HttpURLConnection conn = (HttpURLConnection) url.openConnection();
   conn.setDoOutput(true);
   conn.setDoInput(true);
   conn.setRequestMethod("POST");
   conn.connect();
   OutputStream outputStream = conn.getOutputStream();
   outputStream.write(sendinfo.getBytes());
   outputStream.flush();
   outputStream.close();
   InputStream inputStream = conn.getInputStream();
   InputStreamReader reader = new InputStreamReader(inputStream,
     "UTF-8");
   BufferedReader bufReader = new BufferedReader(reader);
   String readLine = bufReader.readLine();
   while (readLine != null) {
    content.append(readLine);
    readLine = bufReader.readLine();
   }
   if (content != null && (!content.toString().trim().equals(""))) {
    Document doc;
    doc = DocumentHelper.parseText(content.toString().trim());
    Element element = doc.getRootElement();
    List children = element.elements();
    String retuCode = ((Element) children.get(0)).getText(); //取第一个元素里面的内容
    if (retuCode.equals("0")) {//

     ssosid = ((Element) children.get(1)).getText();
    } else if (retuCode.equals("1")) {
     String error_code = ((Element) children.get(1)).getText();
            }
   } else {
          }
  } catch (Exception e) {