解析没有数组的JSON

Question

我需要解析JSON。不幸的是，我无法像here中描述的那样通过JSON字符串获取名称和速率。此外，this one对我没有帮助。

{"usd":
    {"code":"USD",
     "alphaCode":"USD",
     "numericCode":"840",
     "name":"U.S. Dollar",
     "rate":1.0857128644692,
     "date":"Mon, 21 Dec 2015 12:00:01 GMT"},
 "gbp":
    {"code":"GBP",
     "alphaCode":"GBP",
     "numericCode":"826",
     "name":"U.K. Pound Sterling",
     "rate":0.72830809326194,
     "date":"Mon, 21 Dec 2015 12:00:01 GMT"},
  "cad":
     {"code":"CAD",
      "alphaCode":"CAD",
      "numericCode":"124",
      "name":"Canadian Dollar",
      "rate":1.5123600265482,
      "date":"Mon, 21 Dec 2015 12:00:01 GMT"}
}

结果：

“美元。”“1.0857128644692”

“Canadian Dollar”“1.5123600265482”

Answer 1

尝试此解决方案

 try {

        JSONObject MainJsonObject = new JSONObject("Your Sting input data");

        Iterator keyNames = MainJsonObject.keys();

        while (keyNames.hasNext()) {

            String keyname = (String) keyNames.next();

            JSONObject jsonObject = MainJsonObject.getJSONObject(keyname);

            // parse this this jsonObjectas you required

        }
    }catch (Exception e) {
        e.printStackTrace();
    }