map序列化成json对象传递给前端时，map中属性的顺序会按首字母重新排序
json对象中的属性没有顺序而言，一次序列化、反序列化就会乱。
试过把map转成了JSON字符串，传给前端，还是不行
JSON.parseObject(JSON.toJSONString(contractsFactorMap),new TypeReference<TreeMap<String, String>>(){} , Feature.OrderedField)想到数组可以保证顺序，可以把后端的map转成List数组，这样序列化成json不会影响顺序。
@Servicepublic class ComponentsContants { /** * @description: Map转成List数组 (Map只有一层的情况) * @param: * @return: * @author ywx9031 * @date: 2023/10/7 16:59 */ public static List<Map<String, Object>> MaptoList(Map map) { List<Map<String, Object>> valueList = new ArrayList<Map<String, Object>>(); Iterator<String> iter = map.keySet().iterator(); while (iter.hasNext()) { String key = iter.next(); String value = (String) map.get(key); Map<String, Object> mapList = new HashMap<String, Object>(); mapList.put("key", key); mapList.put("value", value); valueList.add(mapList); } return valueList; } /** * @description: Map有2层的情况(Map中还包含map) * @param: * @return: * @author ywx9031 * @date: 2023/11/13 15:45 */ public static List<Map<String, Object>> MaptoList2(Map map) { List<Map<String, Object>> valueList = new ArrayList<Map<String, Object>>(); List<Map<String, Object>> valueList1 = new ArrayList<Map<String, Object>>(); Iterator<String> iter = map.keySet().iterator(); while (iter.hasNext()) { String key = iter.next(); Map<String, Object> mapList = new HashMap<String, Object>(); mapList.put("key", key); Map map1 = (Map) map.get(key); Iterator<String> iter1 = map1.keySet().iterator(); while (iter1.hasNext()) { String key1 = iter1.next(); Map<String, Object> mapList1 = new HashMap<String, Object>(); mapList1.put("key", key1); mapList1.put("value", map1.get(key1)); valueList1.add(mapList1); } mapList.put("value", valueList1); valueList.add(mapList); } return valueList; }}
