fix

zhongzheng-system/src/main/java/com/zhongzheng/modules/course/service/impl/CourseMenuServiceImpl.java

@@ -30,6 +30,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.text.DecimalFormat;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
@@ -73,8 +74,10 @@ public class CourseMenuServiceImpl extends ServiceImpl<CourseMenuMapper, CourseM
             if (Validator.isNotNull(courseMenuVo.getDurationTime())) {
                 //设置节时长（分钟）
                 courseMenuVo.setDurationMinTime(Math.ceil(courseMenuVo.getDurationTime()/60.0));
+                DecimalFormat df=new DecimalFormat("0.0");//设置保留位数
                 //设置学时
-                courseMenuVo.setClassHours(Double.valueOf(String.format("%.1f", courseMenuVo.getDurationMinTime()/45.0)));
+        //        courseMenuVo.setClassHours(Double.valueOf(String.format("%.2f", courseMenuVo.getDurationMinTime()/45.0)));
+                courseMenuVo.setClassHours(Double.valueOf(df.format(courseMenuVo.getDurationMinTime()/45)));
             }
         });
         return list;