List<Map<String,Object>> 集合数据
直接上代码:
package com.springboot_demo.hlvyboot.test;import java.util.*;/** * Test * * @author heng * @date 2019/3/28 **/public class Test {public static void main(String[] args) {/* String [] str = {"3","4","5","6"}; Map<String,Object> detailsMap = new HashMap<>(); detailsMap.put("userLevel",1); System.out.println(Arrays.asList(str).contains(detailsMap.get("userLevel").toString()));*/List<Map<String,Object>> maps = new ArrayList<>();HashMap<String,Object> map = new HashMap<>();map.put("tagId",10001);map.put("tagCode","10001");map.put("tagName","今日招募");map.put("tagCategoryId",100);map.put("type",2);map.put("tagValueType",1);map.put("tagValueId",1000101);map.put("value","是");map.put("totalMemberCount",0);maps.add(map);map = new HashMap<>();map.put("tagId",10001);map.put("tagCode","10001");map.put("tagName","今日招募");map.put("tagCategoryId",100);map.put("type",2);map.put("tagValueType",1);map.put("tagValueId",1000102);map.put("value","否");map.put("totalMemberCount",0);maps.add(map);map = new HashMap<>();map.put("tagId",10002);map.put("tagCode","10002");map.put("tagName","本月招募");map.put("tagCategoryId",100);map.put("type",2);map.put("tagValueType",1);map.put("tagValueId",1000201);map.put("value","是");map.put("totalMemberCount",2);maps.add(map);map = new HashMap<>();map.put("tagId",10002);map.put("tagCode","10002");map.put("tagName","本月招募");map.put("tagCategoryId",100);map.put("type",2);map.put("tagValueType",1);map.put("tagValueId",1000202);map.put("value","否");map.put("totalMemberCount",1);maps.add(map);map = new HashMap<>();map.put("tagId",10004);map.put("tagCode","10004");map.put("tagName","妈妈类型");map.put("tagCategoryId",2);map.put("type",2);map.put("tagValueType",1);map.put("totalMemberCount",1);maps.add(map);List<Map<String,Object>> oldList = maps;List<Map<String,Object>> newList = new ArrayList<Map<String,Object>>();for(int i=0; i<oldList.size(); i++){Map<String,Object> oldMap = oldList.get(i);/* System.err.println(oldMap.get("value"));*/Map<String,Object> map1 = new HashMap<>();map1.put("tagValueType",oldMap.get("tagValueType"));map1.put("value",oldMap.get("value"));map1.put("totalMemberCount",oldMap.get("totalMemberCount"));List<Map<String ,Object>> list = new ArrayList<>();list.add(map1);oldMap.put("tagValueVoList",list);if(newList.size()>0){boolean isContain = false;for(int j=0; j<newList.size();j++){Map<String,Object> newMap = newList.get(j);if(newMap.get("tagId").equals(oldMap.get("tagId"))){/* for(String key :oldMap.keySet()){ newMap.put(key, oldMap.get(key)); }*/for (int k = 0; k < newList.size(); k++) {if(newList.get(k).get("tagId").equals(oldMap.get("tagId"))){Map<String,Object> map2 = new HashMap<>();map2.put("tagValueType",oldMap.get("tagValueType"));map2.put("value",oldMap.get("value"));map2.put("totalMemberCount",oldMap.get("totalMemberCount"));List<Map<String,Object>> list1= (List<Map<String, Object>>) newList.get(k).get("tagValueVoList");list1.add(map2);oldMap.put("tagValueVoList",list1);newList.remove(k);oldMap.remove("tagValueType");oldMap.remove("value");oldMap.remove("totalMemberCount");newList.add(oldMap);}}isContain = true;break;}}if(!isContain){oldMap.remove("tagValueType");oldMap.remove("value");oldMap.remove("totalMemberCount");newList.add(oldMap);}}else{oldMap.remove("tagValueType");oldMap.remove("value");oldMap.remove("totalMemberCount");newList.add(oldMap);}}for (int i = 0; i < newList.size(); i++) {List<Map<String,Object>> list = (List<Map<String, Object>>) newList.get(i).get("tagValueVoList");int count = 0;boolean bol = false;for (int j = 0; j < list.size(); j++) {bol = false;if(list.get(j).get("value")!=null){if(list.get(j).get("value").toString().equals("是") || list.get(j).get("value").toString().equals("否")) {bol = true;count+=Integer.parseInt(list.get(j).get("totalMemberCount").toString());}}}if(bol){bol = false;newList.get(i).put("totalMemberCount",count);newList.get(i).remove("tagValueVoList");}}for (Map<String, Object> stringObjectMap : newList) {System.err.println(stringObjectMap.toString());}}}效果值:
