public static voidtest() {

JSONObject jsonAlarmMsg= null;//{"code":"1","data":[{"file_name":"51信用卡","file_value":[{"index_value":4472,"index_name":"笔数"},{"index_value":9923,"index_name":"金额"}]},{"file_name":"量化派","file_value":[{"index_value":8303,"index_name":"笔数"},{"index_value":9659,"index_name":"金额"}]},{"file_name":"携程","file_value":[{"index_value":1504,"index_name":"笔数"},{"index_value":5067,"index_name":"金额"}]}],"title_type":"当日各渠道笔数-金额"}

String code = jsonAlarmMsg.getString("code");//如果 code等于1 数据正常

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":"笔数"},{"index_value":9923,"index_name":"金额"}]},{"file_name":"量化派","file_value":[{"index_value":8303,"index_name":"笔数"},{"index_value":9659,"index_name":"金额"}]},{"file_name":"携程","file_value":[{"index_value":1504,"index_name":"笔数"},{"index_value":5067,"index_name":"金额"}]}]

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

JSONArray jsonArray = JSONArray.fromObject(data); //首先把字符串转成 JSONArray 对象//如果里面有数据

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":"笔数"},{"index_value":9923,"index_name":"金额"}]}

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

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

}

}else{

System.out.println("转换JSON，jsonArray.size()无数据");

}

}else{

System.out.println("code编码等于1，数据有误");

}

}