本文整理了Java中org.json.JSONObject.getNumber()方法的一些代码示例，展示了JSONObject.getNumber()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JSONObject.getNumber()方法的具体详情如下：
包路径：org.json.JSONObject
类名称：JSONObject
方法名：getNumber

JSONObject.getNumber介绍

[英]Get the Number value associated with a key.
[中]

代码示例

代码示例来源：origin: b3log/latke

/**
 * Get the double value associated with a key.
 *
 * @param key
 *            A key string.
 * @return The numeric value.
 * @throws JSONException
 *             if the key is not found or if the value is not a Number
 *             object and cannot be converted to a number.
 */
public double getDouble(String key) throws JSONException {
  return this.getNumber(key).doubleValue();
}

代码示例来源：origin: b3log/latke

/**
 * Get the long value associated with a key.
 *
 * @param key
 *            A key string.
 * @return The long value.
 * @throws JSONException
 *             if the key is not found or if the value cannot be converted
 *             to a long.
 */
public long getLong(String key) throws JSONException {
  return this.getNumber(key).longValue();
}

代码示例来源：origin: b3log/latke

/**
 * Get the int value associated with a key.
 *
 * @param key
 *            A key string.
 * @return The integer value.
 * @throws JSONException
 *             if the key is not found or if the value cannot be converted
 *             to an integer.
 */
public int getInt(String key) throws JSONException {
  return this.getNumber(key).intValue();
}

代码示例来源：origin: b3log/latke

/**
 * Get the float value associated with a key.
 *
 * @param key
 *            A key string.
 * @return The numeric value.
 * @throws JSONException
 *             if the key is not found or if the value is not a Number
 *             object and cannot be converted to a number.
 */
public float getFloat(String key) throws JSONException {
  return this.getNumber(key).floatValue();
}

代码示例来源：origin: org.b3log/latke

/**
 * Get the double value associated with a key.
 *
 * @param key
 *            A key string.
 * @return The numeric value.
 * @throws JSONException
 *             if the key is not found or if the value is not a Number
 *             object and cannot be converted to a number.
 */
public double getDouble(String key) throws JSONException {
  return this.getNumber(key).doubleValue();
}

代码示例来源：origin: org.b3log/latke

/**
 * Get the float value associated with a key.
 *
 * @param key
 *            A key string.
 * @return The numeric value.
 * @throws JSONException
 *             if the key is not found or if the value is not a Number
 *             object and cannot be converted to a number.
 */
public float getFloat(String key) throws JSONException {
  return this.getNumber(key).floatValue();
}

代码示例来源：origin: org.b3log/latke

/**
 * Get the int value associated with a key.
 *
 * @param key
 *            A key string.
 * @return The integer value.
 * @throws JSONException
 *             if the key is not found or if the value cannot be converted
 *             to an integer.
 */
public int getInt(String key) throws JSONException {
  return this.getNumber(key).intValue();
}

代码示例来源：origin: org.b3log/latke

/**
 * Get the long value associated with a key.
 *
 * @param key
 *            A key string.
 * @return The long value.
 * @throws JSONException
 *             if the key is not found or if the value cannot be converted
 *             to a long.
 */
public long getLong(String key) throws JSONException {
  return this.getNumber(key).longValue();
}

代码示例来源：origin: raydac/netbeans-mmd-plugin

@Override
@Nullable
public MindMap doImport(@Nonnull final MindMapPanel panel, @Nonnull final DialogProvider dialogProvider, @Nullable final Topic actionTopic, @Nonnull @MustNotContainNull final Topic[] selectedTopics) throws Exception {
 final File file = this.selectFileForExtension(panel, Texts.getString("MMDImporters.Mindmup2MindMap.openDialogTitle"), "mup", "Mindmup files (.MUP)", Texts.getString("MMDImporters.ApproveImport"));
 if (file == null) {
  return null;
 }
 final JSONObject parsedJson;
 parsedJson = new JSONObject(FileUtils.readFileToString(file, "UTF-8"));
 MindMap resultedMap = null;
 final Number formatVersion = parsedJson.getNumber("formatVersion");
 if (formatVersion == null) {
  dialogProvider.msgError(null, Texts.getString("MMDImporters.Mindmup2MindMap.Error.WrongFormat"));
 } else {
  resultedMap = new MindMap(null, true);
  resultedMap.setAttribute(MindMapPanel.ATTR_SHOW_JUMPS, "true");
  final Topic mindMapRoot = Assertions.assertNotNull(resultedMap.getRoot());
  final Map<Long, Topic> mapTopicId = new HashMap<Long, Topic>();
  parseTopic(resultedMap, null, mindMapRoot, parsedJson, mapTopicId);
  if (!mindMapRoot.getExtras().containsKey(Extra.ExtraType.FILE)) {
   mindMapRoot.setExtra(new ExtraFile(new MMapURI(null, file, null)));
  }
  if (parsedJson.has("links")) {
   final JSONArray links = parsedJson.getJSONArray("links");
   processLinks(resultedMap, links, mapTopicId);
  }
 }
 return resultedMap;
}