在Java中使用哈希表創建JSON數組

Question

我對如何使用JSONObject（）或Google的gson庫從Java中的哈希表構造關聯數組感到有些困惑。

任何幫助對此表示贊賞！

    JSONObject message = new JSONObject();
    Map<String,String> responseData = new Hashtable<String, String>();

[...]

    ResultSet results = getApprovalCount.executeQuery();

    while (results.next()) {
        responseData.put("vote" + results.getString("submission_id"), results.getString("counter"));
    }

[...]

    message.put("submissions", responseData);

結果：

{"submissions":{"vote1":"2","vote7":"1","vote25":"1","vote6":"1","vote13":"1","vote9":"1","vote11":"1"}}

所需結果：

{"submissions":[{"vote1":"2"},{"vote7":"1"},{"vote25":"1"},{"vote6":"1"},{"vote13":"1"},{"vote9":"1"},{"vote11":"1"}]}

Answer 1

弄清楚了...！

  JSONObject message = new JSONObject();
  ArrayList<Map<String,String>> responseData = new ArrayList<Map<String,String>>();
  User user = new User(request);

[...]

    while (results.next()) {
        Map<String,String> tmpdata = new Hashtable<String, String>();
        tmpdata.put("vote" + results.getString("submission_id"), results.getString("counter"));
        responseData.add(tmpdata);
    }

[...]

    message.put("submissions", responseData);