Servlet处理Json请求数据包
request.setCharacterEncoding("UTF-8");response.setContentType("text/html;charset=UTF-8");String acceptjson = "";try {BufferedReader br = new BufferedReader(new InputStreamReader((ServletInputStream) request.getInputStream(), "utf-8"));StringBuffer sb = new StringBuffer("");String temp;while ((temp = br.readLine()) != null) {sb.append(temp);}br.close();acceptjson = sb.toString();if (acceptjson != "") {JSONObject jo = JSONObject.fromObject(acceptjson);JSONArray imgArray = jo.getJSONArray("PartsImages");JSONArray infArray = jo.getJSONArray("BasicInfo");for (int i = 0; i < imgArray.size(); i++) {JSONObject imgObject = JSONObject.fromObject(imgArray.get(i));System.out.println(imgObject.get("PartsImg"));}JSONObject infObject = JSONObject.fromObject(infArray.get(0));System.out.println(infObject.get("Parts_cate"));System.out.println(infObject.get("Company"));System.out.println(infObject.get("Parts_name"));System.out.println(infObject.get("TEL"));System.out.println(infObject.get("Parts_price"));System.out.println(infObject.get("Suitable"));System.out.println(infObject.get("UsedStyle"));System.out.println(infObject.get("Supplement"));System.out.println(jo.toString());}response.getWriter().write(MyReadFile.read("/post/publishsuccess"));} catch (Exception e) {e.printStackTrace();response.getWriter().write(MyReadFile.read("/post/publishfailure"));}import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.List;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.methods.HttpPost;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.DefaultHttpClient;import org.json.JSONArray;import org.json.JSONException;import org.json.JSONObject;import org.json.JSONStringer;import android.content.Context;import android.telephony.NeighboringCellInfo;import android.telephony.TelephonyManager;public class Location { public static String LOCATIONS_URL = "http://www.google.com/loc/json"; public static String getLocations(Context context) { // generate json request String jr = generateJsonRequest(context); try { DefaultHttpClient client = new DefaultHttpClient(); StringEntity entity = new StringEntity(jr); HttpPost httpost = new HttpPost(LOCATIONS_URL); httpost.setEntity(entity); HttpResponse response = client.execute(httpost); String locationsJSONString = getStringFromHttp(response.getEntity()); return extractLocationsFromJsonString(locationsJSONString); } catch (ClientProtocolException e) { //e.printStackTrace(); } catch (IOException e) { //e.printStackTrace(); } catch (Exception e) { //e.printStackTrace(); } return null; } private static String extractLocationsFromJsonString(String jsonString) { String country = ""; String region = ""; String city = ""; String street = ""; String street_number = ""; double latitude = 0.0; double longitude = 0.0; //"accuracy":901.0 double accuracy = 0.0; try { JSONObject jo = new JSONObject(jsonString); JSONObject location = (JSONObject) jo.get("location"); latitude = (Double) location.get("latitude"); longitude = (Double) location.get("longitude"); accuracy = (Double) location.get("accuracy"); JSONObject address = (JSONObject) location.get("address"); country = (String) address.get("country"); region = (String) address.get("region"); city = (String) address.get("city"); street = (String) address.get("street"); street_number = (String) address.get("street_number"); } catch (JSONException e) { //e.printStackTrace(); } return "(" + latitude + "," + longitude + ")\t" + country + region + city + street + street_number + "\t" + "精确度：" + accuracy; } // 获取所有的网页信息以String 返回 private static String getStringFromHttp(HttpEntity entity) { StringBuffer buffer = new StringBuffer(); try { // 获取输入流 BufferedReader reader = new BufferedReader(new InputStreamReader( entity.getContent())); // 将返回的数据读到buffer中 String temp = null; while ((temp = reader.readLine()) != null) { buffer.append(temp); } } catch (IllegalStateException e) { //e.printStackTrace(); } catch (IOException e) { //e.printStackTrace(); } return buffer.toString(); } private static String generateJsonRequest(Context context) { TelephonyManager manager = (TelephonyManager) context .getSystemService(Context.TELEPHONY_SERVICE); List<NeighboringCellInfo> cellList = manager.getNeighboringCellInfo(); if (cellList.size() == 0) return null; JSONStringer js = new JSONStringer(); try { js.object(); js.key("version").value("1.1.0"); js.key("host").value("maps.google.com"); js.key("home_mobile_country_code").value(460); js.key("home_mobile_network_code").value(0); js.key("radio_type").value("gsm"); js.key("request_address").value(true); js.key("address_language").value("zh_CN"); JSONArray ct = new JSONArray(); for (NeighboringCellInfo info : cellList) { JSONObject c = new JSONObject(); c.put("cell_id", info.getCid()); c.put("location_area_code", info.getLac()); c.put("mobile_country_code", 460); c.put("mobile_network_code", 0); c.put("signal_strength", info.getRssi()); // 获取邻居小区信号强度 ct.put(c); } js.key("cell_towers").value(ct); js.endObject(); } catch (JSONException e) { //e.printStackTrace(); return null; } return js.toString().replace("true", "True"); }}