/// <summary> /// 复合柱形图 /// </summary> public string MultiBarChartStatistics(int type) { Dictionary <string, object> result = new Dictionary <string, object>(); if (type == 1) { AllStudentKnowledgeStatisticsService allStudentKnowledgeStatisticsService = new AllStudentKnowledgeStatisticsService(); result = allStudentKnowledgeStatisticsService.MultiBarChartStatistics(mUCPractice.exerciseRecordId); } else { AllStudentQuestionStatisticsService allStudentQuestionStatisticsService = new AllStudentQuestionStatisticsService(); result = allStudentQuestionStatisticsService.MultiBarChartStatistics(mUCPractice.exerciseRecordId); } string s = MLPen.Helpers.JsonHelper.ToJSON(result); return(MLPen.Helpers.JsonHelper.ToJSON(result)); }