懒得打字
/** * 发送post请求传递Json */ public void jieXi() { new Thread(new Runnable() { public void run() { // Json中的引号必须加 \ 转义 String getLightJson = "{\"object\":\"light\",\"action\":\"get\"}"; String jsonParent = getJsonParent(getLightJson); if (ifJsonParentOk(jsonParent)) { ArrayList<light> query = getQuery(jsonParent); for (light l : query) { System.out.println("----------"); System.out.println("co2-->" + l.getCo2()); System.out.println("pm2.5-->" + l.getPm2_5()); System.out.println("----------"); } } } }).start(); } /** * 返回Json * * @param json * @return */ public String getJsonParent(String json) { try { URI uri = new URI(urlString); HttpPost mhttpPost = new HttpPost(uri); // 设置请求头 mhttpPost.setHeader("Accept", "application/json"); mhttpPost.setHeader("Content-Type", "application/json"); // Json数据在这里 HttpEntity mEntity = new StringEntity(json, HTTP.UTF_8); mhttpPost.setEntity(mEntity); // 发送请求 HttpResponse response = new DefaultHttpClient().execute(mhttpPost); String str = EntityUtils.toString(response.getEntity()); System.out.println("--->" + str); return str; } catch (Exception e) { } return ""; } /** * 返回码是不是ok * * @param str * @return */ public boolean ifJsonParentOk(String str) { try { jsonObject = new JSONObject(str); String result = jsonObject.getString("result"); if (result.equals("ok")) { return true; } } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } return false; } /** * 解析返回的json * * @param str * @return */ public ArrayList<light> getQuery(String str) { ArrayList<light> arrayList = new ArrayList<light>(); try { light _light = new light(); jsonObject = new JSONObject(str); _light.setPm2_5(jsonObject.getString("pm2.5")); _light.setCo2(jsonObject.getString("co2")); arrayList.add(_light); return arrayList; } catch (JSONException e) { e.printStackTrace(); } return null; }
时间: 2024-11-09 00:51:05