Android(安卓)如何用HttpClient 以Post方式提交数据并添加http头信息

[日期：2011-09-12] 来源：Linux社区作者：love__coder [字体：大中小]

Android 如何 post json格式的数据，并附加http头，接受返回数据，请看下面的代码：
1.private void HttpPostData() {
2.try {
3. HttpClient httpclient = new DefaultHttpClient();
4. String uri = "http://www.yourweb.com";
5. HttpPost httppost = new HttpPost(uri);
6. //添加http头信息
7. httppost.addHeader("Authorization", "your token"); //认证token
8. httppost.addHeader("Content-Type", "application/json");
9. httppost.addHeader("User-Agent", "imgfornote");
10. //http post的json数据格式： {"name": "your name","parentId": "id_of_parent"}
11. JSONObject obj = new JSONObject();
12. obj.put("name", "your name");
13. obj.put("parentId", "your parentid");
14. httppost.setEntity(new StringEntity(obj.toString()));
15. HttpResponse response;
16. response = httpclient.execute(httppost);
17. //检验状态码，如果成功接收数据
18. int code = response.getStatusLine().getStatusCode();
19. if (code == 200) {
20. String rev = EntityUtils.toString(response.getEntity());//返回json格式： {"id": "27JpL~j4vsL0LX00E00005","version": "abc"}
21. obj = new JSONObject(rev);
22. String id = obj.getString("id");
23. String version = obj.getString("version");
24. }
25. } catch (ClientProtocolException e) {
26. } catch (IOException e) {
27. } catch (Exception e) {
28. }
29.}

主要用到的类有：org.apache.http.client.HttpClient 、org.apache.http.client.methods.HttpPost 和 org.json.JSONObject

本篇文章来源于 Linux公社网站(www.linuxidc.com) 原文链接：http://www.linuxidc.com/Linux/2011-09/42772.htm

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