给分曲线计算有效卷数由marker中取改为数据库中取。

stmms-web/src/main/java/cn/com/qmth/stmms/admin/exam/MarkQualityController.java

@@ -168,7 +168,7 @@ public class MarkQualityController extends BaseExamController {
                 Double score = (Double) array[0];
                 Long count = (Long) array[1];
                 double percent = 0;
-                if(marker.getValidCount()!=0){
+                if(totalCount!=0){
                 	percent = count * 100 / totalCount;
                 }
                 scorePercent.put(score, percent);

stmms-web/src/main/webapp/WEB-INF/views/modules/exam/qualityChart.jsp

@@ -55,7 +55,7 @@ $.post('${ctx}/admin/exam/quality/getChart', {subjectCode: subjectCode,groupNumb
         var marker = result[i];
         var scorePercents= [];
 		
-		for(var j=0;j<= scores.length;j++){
+		for(var j=0;j< scores.length;j++){
 			var key = scores[j];
 			if(String(scores[j]).indexOf(".")==-1){
 	        	key=scores[j]+".0";