Question

我想将post数据库记录发送到网络服务器：

public ArrayList<String> getAllNewOrUpdatedParcelles() {
        ArrayList<String> ret = new ArrayList<String>();
        String enreg, quartier_id = getCommune().getQuartierId();
        String query = "SELECT * FROM " + T_PARCELLE + " WHERE bien_code != 0 AND ( updated = 'true' OR new_enreg = 'true')";
        Cursor c = bd.rawQuery(query, null);

        if (c != null && c.moveToFirst()) {
            do {
                enreg = "data_parcelle=yes";
                enreg += "&bien_code="+c.getString(0);
                enreg += "&decoup_terri_code="+c.getString(1);
                enreg += "&dec_decoup_terri_code="+c.getString(2);
                enreg += "&bien_ident="+c.getString(3);
                enreg += "&parcel_denomination="+c.getString(4);
                enreg += "&parcel_porte_ppale="+c.getString(5);
                enreg += "&parcel_porte_second="+c.getString(6);
                enreg += "&parcel_superfi_totale="+c.getString(7);
                enreg += "&parcel_superf_batie="+c.getString(8);
                enreg += "&parcel_superf_non_batie="+c.getString(9);
                enreg += "&parcel_superf_plani="+c.getString(10);
                enreg += "&quartier_code="+quartier_id;
                enreg += "&parcel_date_deb_construct="+c.getString(12);
                enreg += "&parcel_date_fin_construct="+c.getString(13);
                if (c.getString(14).equalsIgnoreCase("true"))
                    enreg += "&nouvel_enreg=yes";
                else
                    enreg += "&nouvel_enreg=no";
                ret.add(enreg);
            } while (c.moveToNext());
        }
        return ret;
    }

http帖子：

private void postData(String p_url) {

            HttpURLConnection urlConnection = null;
            OutputStreamWriter writer = null;

            try {

                ArrayList<String> ret = db.getAllNewOrUpdatedParcelles();
                if (ret.size() > 0) {

                    for (String enreg : ret) {
                        URL url = new URL(p_url);
                        urlConnection = (HttpURLConnection)url.openConnection();
                        urlConnection.setDoOutput(true);
                        urlConnection.setChunkedStreamingMode(0);
                        writer = new OutputStreamWriter(urlConnection.getOutputStream());
                        writer.write(enreg);
                        writer.flush();
                        writer.close();
                        urlConnection.disconnect();
                    }

                }

            } catch (MalformedURLException e) {
                error = true;
                err = contextInsideDialogue.getResources().getString(R.string.errBadUrl);
            } catch (IOException e) {
                error = true;
                err = contextInsideDialogue.getResources().getString(R.string.errAccessError);
            } finally {
                if (writer != null) { try { writer.close(); } catch (IOException e) {} }
                if (urlConnection != null) { urlConnection.disconnect(); }
            }

        }

更新：

在服务器端（PHP），我将这样的帖子数据视为：

$db = new DbConn() ;

        $trace = new trace($db->getInstance(), T_TRACE_ACCES);

        /*
         * 
         * traitement des parcelles
         * 
         */

        if (isset($_POST['data_parcelle'])) {

            require_once RP_MODELS.'parcelle.class.php';
            require_once RP_MODELS.'decoupage_territoire.class.php';

            $parcelle = new parcelle($db->getInstance(), T_PARCELLE);

            $decoupage_territoire = new decoupage_territoire($db->getInstance(), T_DECOUPAGE_TERRITOIRE);

            $critereDecoup["decoup_terri_code"] = $_POST['dec_decoup_terri_code'];

            $rue = $decoupage_territoire->lire($critereDecoup);

            $critereDecoup["decoup_terri_code"] = $_POST['quartier_code'];

            $quartier = $decoupage_territoire->lire($critereDecoup);

            $critereDecoup["decoup_terri_code"] = $quartier["dec_decoup_terri_code"];

            $commune = $decoupage_territoire->lire($critereDecoup);

            $_POST['parcel_adresse'] = $_POST['parcel_porte_ppale'] . ", " . $rue["decoup_terri_nom"] . " - " . $quartier["decoup_terri_nom"] . " - " . $commune["decoup_terri_nom"];

            $_POST['parcel_date_deb_construct'] = convertDateFormat5($_POST['parcel_date_deb_construct']);
            $_POST['parcel_date_fin_construct'] = convertDateFormat5($_POST['parcel_date_fin_construct']);

            if ($_POST['nouvel_enreg'] == 'yes') {

                require_once RP_MODELS.'bien.class.php';

                $bien = new bien($db->getInstance(), T_BIEN);

                $_POST['bien_code_sig'] = $_POST['bien_ident'];
                $bien->ajouter($_POST);
                $bien_code = $bien->lireDernierId();

                $_POST['bien_code'] = $bien_code;

                $parcelle->ajouter($_POST);

                $traceContent = "Ajout par mobile : " . $_POST["bien_code"] . " / " . $_POST["parcel_denomination"];

            }
            else {

                $parcelle->modifier($_POST, array("bien_code"));

                $traceContent = "Modification par mobile : " . $_POST["bien_code"] . " / " . $_POST["parcel_denomination"];

            }

            $critereTrace = array();

            $critereTrace["trc_action"]  = $traceContent;

            $trace->ajouter($critereTrace);

        }

问题是第一条记录只发布了！那么如何发布所有记录？

Answer 1

而不是

if (c != null && c.moveToFirst()) { 
  do {
    ...
  }while (c.moveToNext());

使用简单：

while(c.moveToNext()) {
  ...
}

更新

对于数据发送，我建议使用HttpClient实施，例如AndroidHttpClient。它提供了用于构建请求的方便方法：

HttpClient httpClient =  AndroidHttpClient.newInstance( "Android", this );

public List<List<NameValuePair>> getAllNewOrUpdatedParcelles() {
    List<List<NameValuePair>> ret = new ArrayList<>();
    String enreg, quartier_id = getCommune().getQuartierId();
    String query = "SELECT * FROM " + T_PARCELLE + " WHERE bien_code != 0 AND ( updated = 'true' OR new_enreg = 'true')";
    Cursor c = bd.rawQuery(query, null);
    try{
      while( c.moveToNext() ){
        List<NameValuePair> curr = new ArrayList<>();
        curr.add( new BasicNameValuePair( "data_parcelle", "yes" ) );
        curr.add( new BasicNameValuePair( "bien_code", c.getString(0) ) ); 
        // and so on
        ret.add( curr );
      }
    }finally{ c.close(); }
    return ret;
}

private void postData(String p_url) {
  for( List<NameValuePair> params : getAllNewOrUpdatedParcelles() ){
    try{
      HttpPost post = new HttpPost( p_url );
      httppost.setEntity( new UrlEncodedFormEntity( params, HTTP.UTF_8 ) );
      HttpResponse hr = httpClient.execute( httppost );
      Log.i( TAG, "result status = " + hr.getStatusLine().getStatusCode() );
    }catch( IOException e ){
      Log.i( TAG, "exception", e );
    }
  }
}

为什么第一个元素仅在此代码中发布？

1 个答案: