当我尝试从我的数据库中获取数据（带有ë，é，ä等文本......）到我的Android应用程序时，我收到此错误，我尝试了BufferedReader reader = new BufferedReader（new InputStreamReader（是，“UTF） -8“），8）和BufferedReader reader = new BufferedReader（new InputStreamReader（is，”iso-8859-1“），8）但我仍然得到相同的错误！
有人可以告诉我我做错了什么或错过了吗？
这是我的JsonParser
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;
import android.util.Log;
public class JSONParser {
static InputStream is = null;
static JSONObject jObj = null;
static String json = "";
// constructor
public JSONParser() {
}
// function get json from url
// by making HTTP POST or GET method
public JSONObject makeHttpRequest(String url, String method,
List<NameValuePair> params) {
// Making HTTP request
try {
// check for request method
if (method == "POST") {
// request method is POST
// defaultHttpClient
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost(url);
httpPost.setEntity(new UrlEncodedFormEntity(params));
HttpResponse httpResponse = httpClient.execute(httpPost);
HttpEntity httpEntity = httpResponse.getEntity();
is = httpEntity.getContent();
} else if (method == "GET") {
// request method is GET
DefaultHttpClient httpClient = new DefaultHttpClient();
String paramString = URLEncodedUtils.format(params, "utf-8");
url += "?" + paramString;
HttpGet httpGet = new HttpGet(url);
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
is = httpEntity.getContent();
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(
is, "iso-8859-1"), 8);
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
is.close();
Log.e("Buffer Error",
"getting JSon String from server :-- " + sb.toString());
json = sb.toString();
} catch (Exception e) {
Log.e("Buffer Error", "Error converting result " + e.toString());
}
// try parse the string to a JSON object
try {
jObj = new JSONObject(json);
System.out.println(json);
} catch (JSONException e) {
Log.e("JSON Parser", "Error parsing data " + e.toString());
}
// return JSON String
return jObj;
}
}
这是我的PHP代码：
<?php header('content-type: application/json; charset=utf-8');
$response = array();
require_once __DIR__ . '/db_connect.php';
$db = new DB_CONNECT();
// check for post data
if (isset($_GET["id"])) {
$pid1 = $_GET['id'];
// get a Recette from Recettes table
$result = mysql_query("SELECT id, naam, foto, ingredienten, bereiding, personen, bereidingstijd, serveertips FROM Recette WHERE id = $pid1");
if (!empty($result)) {
// check for empty result
if (mysql_num_rows($result) > 0) {
$result = mysql_fetch_array($result);
$Recette = array();
$Recette["id"] = $result["id"];
$Recette["naam"] = $result["naam"];
$Recette["foto"] = $result["foto"];
$Recette["ingredienten"] = $result["ingredienten"];
$Recette["bereiding"] = $result["bereiding"];
$Recette["personen"] = $result["personen"];
$Recette["bereidingstijd"] = $result["bereidingstijd"];
$Recette["serveertips"] = $result["serveertips"];
// success
$response["success"] = 1;
// user node
$response["Recette"] = array();
array_push($response["Recette"], $Recette);
// echoing JSON response
echo json_encode($response);
} else {
// no Recette found
$response["success"] = 0;
$response["message"] = "Geen Recette gevonden";
// echo no users JSON
echo json_encode($response);
}
} else {
// no Recette found
$response["success"] = 0;
$response["message"] = "Geen Recette gevonden";
// echo no users JSON
echo json_encode($response);
}
} else {
// required field is missing
$response["success"] = 0;
$response["message"] = "Required field(s) is missing";
// echoing JSON response
echo json_encode($response);
}
?>
这是错误日志：
03-10 16:21:11.740: E/Buffer Error(25399): getting JSon String from server :--
03-10 16:21:11.740: E/JSON Parser(25399): Error parsing data org.json.JSONException: End of input at character 2 of
03-10 16:21:11.745: D/Recette(25399): {"success":1,"Recette":[{"id":"51","naam":"Gegratineerde aubergine met tonijn","foto":"http:\/\/www.betiben1.0fees.net\/image\/tonijnaub.png"},{"id":"49","naam":"Paprika's met arganolie","foto":"http:\/\/www.betiben1.0fees.net\/image\/paprika_arganolie.png"},{"id":"48","naam":"Warme Dadelmelk","foto":"http:\/\/www.betiben1.0fees.net\/image\/dadelmelk.jpg"},{"id":"47","naam":"Amandel-dadelmelk","foto":"http:\/\/www.betiben1.0fees.net\/image\/dadelmelk1.png"},{"id":"46","naam":"Muntthee (Attay benaanaa)","foto":"http:\/\/www.betiben1.0fees.net\/image\/thee.png"},{"id":"45","naam":"Zaalouk (auberginepuree)","foto":"http:\/\/www.betiben1.0fees.net\/image\/tajin.png"},{"id":"44","naam":"Zaalouk (auberginepuree)","foto":"http:\/\/www.betiben1.0fees.net\/image\/zaalouk.png"},{"id":"37","naam":"Dadelruiten","foto":"http:\/\/www.betiben1.0fees.net\/image\/dadelruiten.png"},{"id":"36","naam":"maakoada","foto":"http:\/\/www.betiben1.0fees.net\/image\/maakoda.png"},{"id":"35","naam":"Groentetajine met meiknol en specerijen\n","foto":"http:\/\/www.betiben1.0fees.net\/image\/Groentetajine_meiknol.png"}]}
03-10 16:21:11.995: D/dalvikvm(25399): GC_CONCURRENT freed 623K, 11% free 16627K/18503K, paused 13ms+3ms, total 47ms
03-10 16:21:11.995: D/dalvikvm(25399): WAIT_FOR_CONCURRENT_GC blocked 27ms
03-10 16:21:14.415: W/System.err(25399): org.json.JSONException: No value for ingredienten
03-10 16:21:14.430: W/System.err(25399): at org.json.JSONObject.get(JSONObject.java:354)
03-10 16:21:14.430: W/System.err(25399): at org.json.JSONObject.getString(JSONObject.java:510)
03-10 16:21:14.430: W/System.err(25399): at com.youness.tajineenzo.ReceptOverzicht.onCreate(ReceptOverzicht.java:159)
03-10 16:21:14.430: W/System.err(25399): at android.app.Activity.performCreate(Activity.java:5206)
03-10 16:21:14.435: W/System.err(25399): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
03-10 16:21:14.440: W/System.err(25399): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2074)
03-10 16:21:14.440: W/System.err(25399): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2135)
03-10 16:21:14.440: W/System.err(25399): at android.app.ActivityThread.access$700(ActivityThread.java:140)
03-10 16:21:14.445: W/System.err(25399): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1237)
03-10 16:21:14.445: W/System.err(25399): at android.os.Handler.dispatchMessage(Handler.java:99)
03-10 16:21:14.445: W/System.err(25399): at android.os.Looper.loop(Looper.java:137)
03-10 16:21:14.450: W/System.err(25399): at android.app.ActivityThread.main(ActivityThread.java:4921)
03-10 16:21:14.450: W/System.err(25399): at java.lang.reflect.Method.invokeNative(Native Method)
03-10 16:21:14.455: W/System.err(25399): at java.lang.reflect.Method.invoke(Method.java:511)
03-10 16:21:14.455: W/System.err(25399): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1027)
03-10 16:21:14.460: W/System.err(25399): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:794)
03-10 16:21:14.460: W/System.err(25399): at dalvik.system.NativeStart.main(Native Method)
03-10 16:21:14.665: W/ResourceType(25399): Failure getting entry for 0x010802c1 (t=7 e=705) in package 0 (error -75)
03-10 16:21:14.675: W/ResourceType(25399): Failure getting entry for 0x010802c1 (t=7 e=705) in package 0 (error -75)
03-10 16:21:14.680: W/ResourceType(25399): Failure getting entry for 0x010802c1 (t=7 e=705) in package 0 (error -75)