一个简单的fastJson实例 方便复制

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.td.bo.core.masterdata.entity.syssetting.appEntity.AppQuestion;
import com.td.bo.core.masterdata.entity.syssetting.appEntity.AppQuestionItem;
import com.td.masterdata.entity.application.App;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

/**
 * Created by Jerry on 2017/1/16.
 * God Bless Me
 */
public class TestJson {
    public static void main(String[] args) {

        JSONObject json = (JSONObject) JSON.parse(getJsonValue());
        JSONObject jsonSub = json.getJSONObject("subsystemAccept");
        JSONObject jsonProperty = json.getJSONObject("propertyAccept");
        JSONObject jsonOver = json.getJSONObject("overallAccept");
//        saveQues(jsonSub);
//        saveQues(jsonProperty);
        saveQues(jsonOver);
    }

    public static void saveQues(JSONObject json) {
        Set<String> set = json.keySet();
        for (String key : set) {
            System.out.println("key==" + key);
            JSONArray list = json.getJSONArray(key);
            for (Object obj : list) {
                JSONObject jsonObject = (JSONObject) obj;
                //问题
                        AppQuestion appQuestion = JSON.toJavaObject((JSON) jsonObject.get("question"), AppQuestion.class);
                //答案
                String answer = jsonObject.getString("answer");
                appQuestion.setAnswer(answer);
                //选项
                List<AppQuestionItem> questionItems = new ArrayList<>();
                JSONArray selectItemArray = jsonObject.getJSONArray("selectItems");
                for (Object o : selectItemArray) {
                    AppQuestionItem questionItem = new AppQuestionItem();
                    questionItem.setSelectContent(o.toString());
                    questionItems.add(questionItem);
                }
                System.out.println("保存成功");
            }

        }
    }

    public static String getJsonValue() {
        return "{\n" +
                "    \"subsystemAccept\": {\n" +
                "        \"sub_1\": [\n" +
                "            {\n" +
                "                \"question\": {\n" +
                "                    \"code\": \"good\",\n" +
                "                    \"quesTypeCode\": \"radio_type\",\n" +
                "                    \"quesTitle\": \"这是子系统第一个问题\",\n" +
                "                    \"refType\": \"accept\",\n" +
                "                    \"categoryCode\": \"subsystemAccept\",\n" +
                "                    \"id\": 285,\n" +
                "                    \"refId\": 28,\n" +
                "                    \"groupCode\": \"sub_1\",\n" +
                "                    \"status\": 1\n" +
                "                },\n" +
                "                \"answer\": \"否\",\n" +
                "                \"selectItems\": [\n" +
                "                    \"是\",\n" +
                "                    \"否\"\n" +
                "                ],\n" +
                "                \"valueItems\": [\n" +
                "                    {\n" +
                "                        \"name\": \"是\",\n" +
                "                        \"value\": \"是\"\n" +
                "                    },\n" +
                "                    {\n" +
                "                        \"name\": \"否\",\n" +
                "                        \"value\": \"否\"\n" +
                "                    }\n" +
                "                ]\n" +
                "            },\n" +
                "\t\t\t     {\n" +
                "                \"question\": {\n" +
                "                    \"code\": \"good\",\n" +
                "                    \"quesTypeCode\": \"radio_type\",\n" +
                "                    \"quesTitle\": \"这是子系统第二个问题\",\n" +
                "                    \"refType\": \"accept\",\n" +
                "                    \"categoryCode\": \"subsystemAccept\",\n" +
                "                    \"id\": 285,\n" +
                "                    \"refId\": 28,\n" +
                "                    \"groupCode\": \"sub_1\",\n" +
                "                    \"status\": 1\n" +
                "                },\n" +
                "                \"answer\": \"否\",\n" +
                "                \"selectItems\": [\n" +
                "                    \"是\",\n" +
                "                    \"否\"\n" +
                "                ],\n" +
                "                \"valueItems\": [\n" +
                "                    {\n" +
                "                        \"name\": \"是\",\n" +
                "                        \"value\": \"是\"\n" +
                "                    },\n" +
                "                    {\n" +
                "                        \"name\": \"否\",\n" +
                "                        \"value\": \"否\"\n" +
                "                    }\n" +
                "                ]\n" +
                "            },\n" +
                "        ],\n" +
                "\t\t\"sub_2\": [\n" +
                "            {\n" +
                "                \"question\": {\n" +
                "                    \"code\": \"good\",\n" +
                "                    \"quesTypeCode\": \"radio_type\",\n" +
                "                    \"quesTitle\": \"位置好\",\n" +
                "                    \"refType\": \"accept\",\n" +
                "                    \"categoryCode\": \"subsystemAccept\",\n" +
                "                    \"id\": 285,\n" +
                "                    \"refId\": 28,\n" +
                "                    \"groupCode\": \"sub_1\",\n" +
                "                    \"status\": 1\n" +
                "                },\n" +
                "                \"answer\": \"否\",\n" +
                "                \"selectItems\": [\n" +
                "                    \"是\",\n" +
                "                    \"否\"\n" +
                "                ],\n" +
                "                \"valueItems\": [\n" +
                "                    {\n" +
                "                        \"name\": \"是\",\n" +
                "                        \"value\": \"是\"\n" +
                "                    },\n" +
                "                    {\n" +
                "                        \"name\": \"否\",\n" +
                "                        \"value\": \"否\"\n" +
                "                    }\n" +
                "                ]\n" +
                "            }\n" +
                "        ]\n" +
                "    },\n" +
                "    \"acceptTpl\": {\n" +
                "        \"code\": \"5code\",\n" +
                "        \"createTime\": 1484537601000,\n" +
                "        \"name\": \"验收5xiu\",\n" +
                "        \"updateTime\": 1484537601000,\n" +
                "        \"id\": 28,\n" +
                "        \"state\": 1,\n" +
                "        \"businessType\": \"XNY\",\n" +
                "        \"projectId\": 87\n" +
                "    },\n" +
                "    \"propertyAccept\": {\n" +
                "        \"001\": [\n" +
                "            {\n" +
                "                \"question\": {\n" +
                "                    \"code\": \"heighh\",\n" +
                "                    \"quesTypeCode\": \"radio_type\",\n" +
                "                    \"quesTitle\": \"别墅高\",\n" +
                "                    \"refType\": \"accept\",\n" +
                "                    \"categoryCode\": \"propertyAccept\",\n" +
                "                    \"id\": 283,\n" +
                "                    \"refId\": 28,\n" +
                "                    \"groupCode\": \"001\",\n" +
                "                    \"status\": 1\n" +
                "                },\n" +
                "                \"answer\": \"是\",\n" +
                "                \"selectItems\": [\n" +
                "                    \"是\",\n" +
                "                    \"否\"\n" +
                "                ],\n" +
                "                \"valueItems\": [\n" +
                "                    {\n" +
                "                        \"name\": \"是\",\n" +
                "                        \"value\": \"是\"\n" +
                "                    },\n" +
                "                    {\n" +
                "                        \"name\": \"否\",\n" +
                "                        \"value\": \"否\"\n" +
                "                    }\n" +
                "                ]\n" +
                "            },\n" +
                "            {\n" +
                "                \"question\": {\n" +
                "                    \"unit\": \"\",\n" +
                "                    \"code\": \"width\",\n" +
                "                    \"quesTypeCode\": \"radio_type\",\n" +
                "                    \"quesTitle\": \"宽\",\n" +
                "                    \"refType\": \"accept\",\n" +
                "                    \"categoryCode\": \"propertyAccept\",\n" +
                "                    \"id\": 284,\n" +
                "                    \"refId\": 28,\n" +
                "                    \"groupCode\": \"001\",\n" +
                "                    \"status\": 1\n" +
                "                },\n" +
                "                \"answer\": \"是\",\n" +
                "                \"selectItems\": [\n" +
                "                    \"是\",\n" +
                "                    \"否\"\n" +
                "                ],\n" +
                "                \"valueItems\": [\n" +
                "                    {\n" +
                "                        \"name\": \"是\",\n" +
                "                        \"value\": \"是\"\n" +
                "                    },\n" +
                "                    {\n" +
                "                        \"name\": \"否\",\n" +
                "                        \"value\": \"否\"\n" +
                "                    }\n" +
                "                ]\n" +
                "            }\n" +
                "        ]\n" +
                "    },\n" +
                "    \"overallAccept\": {}\n" +
                "}";
    }
}