| 标题 | android net类的建立 |
| 内容 | public class NetConnection { public NetConnection(final String url, final HttpMethod method, final SuccessCallback successCallback, final FailCallback failCallback, final String... kvs) { new AsyncTask<Void, Void, String>() { @Override protected String doInBackground(Void... arg0) { StringBuffer paramsStr = new StringBuffer(); for (int i = 0; i < kvs.length; i += 2) { paramsStr.append(kvs[i]).append("=").append(kvs[i + 1]) .append("&"); } try { URLConnection uc; switch (method) { case POST: uc = new URL(url).openConnection(); uc.setDoOutput(true); BufferedWriter bw = new BufferedWriter( new OutputStreamWriter(uc.getOutputStream(), Config.CHARSET)); bw.write(paramsStr.toString()); bw.flush(); break; default: uc = new URL(url + "?" + paramsStr.toString()) .openConnection(); break; } System.out.println("Request url:" + uc.getURL()); System.out.println("Request data:" + paramsStr); BufferedReader br = new BufferedReader( new InputStreamReader(uc.getInputStream(), Config.CHARSET)); String line = null; StringBuffer result = new StringBuffer(); while ((line = br.readLine()) != null) { result.append(line); } System.out.println("Result:" + result); return result.toString(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return null; } @Override protected void onPostExecute(String result) { if (result != null) { if (successCallback != null) { successCallback.onSuccess(result); } } else { if (failCallback != null) { failCallback.onFail(); } } super.onPostExecute(result); } }.execute(); } public static interface SuccessCallback { void onSuccess(String result); } public static interface FailCallback { void onFail(); } } |
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