Json解析

 #region Json解析相关 ???/// <summary> ???/// 从json中读取数据 ???/// </summary> ???/// <param name="json"></param> ???/// <returns></returns> ???List<SceneData> GetSceneDataListFromJson(string json) ???{ ???????List<SceneData> sceneDataList = new List<SceneData>(); ???????List<string> sceneNameList = GetValueListFromJson(json, "sceneName"); ???????List<string> snList = GetValueListFromJson(json, "sn"); ???????List<string> timeList = GetValueListFromJson(json, "time"); ???????List<string> posDataList = GetValueListFromJson(json, "posList"); ???????if (sceneNameList.Count * 4 != (sceneNameList.Count + snList.Count + timeList.Count + posDataList.Count)) ???????{ ???????????Debug.LogError("json解析各属性数目不符！"); ???????????return null; ???????} ???????for (int i = 0; i < sceneNameList.Count; i++) ???????{ ???????????SceneData sceneData = new SceneData(); ???????????sceneData.sceneName = sceneNameList[i]; ???????????sceneData.sn = int.Parse(snList[i]); ???????????sceneData.time = int.Parse(timeList[i]); ???????????string posListStr = posDataList[i]; ???????????List<Vector2> posList = new List<Vector2>(); ???????????string[] coordArr = posListStr.Split(‘,‘); ???????????for (int m = 0; m < coordArr.Length; m++) ???????????{ ???????????????string[] coord = coordArr[m].Split(‘_‘); ???????????????float x = float.Parse(coord[0]); ???????????????float y = float.Parse(coord[1]); ???????????????posList.Add(new Vector2(x, y)); ???????????} ???????????sceneData.posList = posList; ???????????sceneDataList.Add(sceneData); ???????} ???????return sceneDataList; ???} ???List<string> GetValueListFromJson(string json, string valueName) ???{ ???????List<string> valueList = new List<string>(); ???????while (true) ???????{ ???????????int endIndex = json.Length - 1; ???????????string valueStr = GetFirstValueFromJson(json, valueName, out endIndex); ???????????if (valueStr == null) ???????????{ ???????????????break; ???????????} ???????????valueList.Add(valueStr); ???????????json = json.Substring(endIndex); ???????} ???????if (valueList.Count == 0) ???????{ ???????????Debug.LogError("can‘t find the " + valueName + " from json!"); ???????} ???????return valueList; ???} ???string GetFirstValueFromJson(string json, string valueName, out int endIndex) ???{ ???????int beginIndex = json.IndexOf(valueName); ???????if (beginIndex == -1) ???????{ ???????????endIndex = json.Length - 1; ???????????return null; ???????} ???????endIndex = json.IndexOf(‘,‘, beginIndex); ???????int preLength = valueName.Length + 2; ???????string goalStr = json.Substring(beginIndex, endIndex - beginIndex); ???????if (goalStr.Contains("["))//如果包含数组 ???????{ ???????????endIndex = json.IndexOf("]") + 1; ???????????goalStr = json.Substring(beginIndex, endIndex - beginIndex); ???????} ???????goalStr = goalStr.Substring(preLength, goalStr.Length - preLength); ???????goalStr = goalStr.Replace("\"", ""); ???????goalStr = goalStr.Replace("[", ""); ???????goalStr = goalStr.Replace("]", ""); ???????return goalStr; ???} ???#endregion