天天看點

java将字元串周遊成數組,java 字元串轉成 json 數組并且周遊

public static voidtest() {

JSONObject jsonAlarmMsg= null;//{"code":"1","data":[{"file_name":"51信用卡","file_value":[{"index_value":4472,"index_name":"筆數"},{"index_value":9923,"index_name":"金額"}]},{"file_name":"量化派","file_value":[{"index_value":8303,"index_name":"筆數"},{"index_value":9659,"index_name":"金額"}]},{"file_name":"攜程","file_value":[{"index_value":1504,"index_name":"筆數"},{"index_value":5067,"index_name":"金額"}]}],"title_type":"當日各管道筆數-金額"}

String code = jsonAlarmMsg.getString("code");//如果 code等于1 資料正常

if ("1".equals(code)) {

String title_type = jsonAlarmMsg.getString("title_type");

System.out.println(title_type);//"data":[{"file_name":"51信用卡","file_value":[{"index_value":4472,"index_name":"筆數"},{"index_value":9923,"index_name":"金額"}]},{"file_name":"量化派","file_value":[{"index_value":8303,"index_name":"筆數"},{"index_value":9659,"index_name":"金額"}]},{"file_name":"攜程","file_value":[{"index_value":1504,"index_name":"筆數"},{"index_value":5067,"index_name":"金額"}]}]

String data = jsonAlarmMsg.getString("data");//解析data

JSONArray jsonArray = JSONArray.fromObject(data); //首先把字元串轉成 JSONArray 對象//如果裡面有資料

if (jsonArray.size() > 0) {for (int i = 0; i < jsonArray.size(); i++) {

net.sf.json.JSONObject jsonObject=jsonArray.getJSONObject(i);//{"file_name":"51信用卡","file_value":[{"index_value":4472,"index_name":"筆數"},{"index_value":9923,"index_name":"金額"}]}

System.out.println(jsonObject.get("file_name"));

System.out.println(jsonObject.get("file_value"));

}

}else{

System.out.println("轉換JSON,jsonArray.size()無資料");

}

}else{

System.out.println("code編碼等于1,資料有誤");

}

}