体验人数，直接查student表

mec-web/src/main/java/com/ym/mec/web/controller/ExportController.java

@@ -1263,19 +1263,19 @@ public class ExportController extends BaseController {
                 row.setOperatingTagStr("否");
             }
             if(row.getVipTimes() != null && row.getVipTimes() >0){
-                row.setVipTimesStr("有");
+                row.setVipTimesStr("是");
             }else {
-                row.setVipTimesStr("无");
+                row.setVipTimesStr("否");
             }
             if(row.getFreePracticeTimes() != null && row.getFreePracticeTimes() >0){
-                row.setFreePracticeTimesStr("有");
+                row.setFreePracticeTimesStr("是");
             }else {
-                row.setFreePracticeTimesStr("无");
+                row.setFreePracticeTimesStr("否");
             }
             if(row.getBuyPracticeTimes() != null && row.getBuyPracticeTimes() >0){
-                row.setBuyPracticeTimesStr("有");
+                row.setBuyPracticeTimesStr("是");
             }else {
-                row.setBuyPracticeTimesStr("无");
+                row.setBuyPracticeTimesStr("否");
             }
         }
         OutputStream ouputStream = null;