float小数位处理

applications/school/school-server/src/main/java/com/usoftchina/smartschool/school/business/service/impl/ScoreServiceImpl.java

@@ -288,7 +288,7 @@ public class ScoreServiceImpl implements ScoreService{
             msg.setKeyword3(main.getSi_examtitle());
             msg.setKeyword4(DateUtils.format(main.getSi_examdate(),"yyyy-MM-dd"));
             msg.setKeyword5(school.getSchool_name());
-            msg.setRemark(noticer.getSubject()+ "成绩为:" + new BigDecimal(noticer.getScore()).toPlainString());
+            msg.setRemark(noticer.getSubject()+ "成绩为:" + new BigDecimal(noticer.getScore()).setScale(2, BigDecimal.ROUND_HALF_UP).stripTrailingZeros().toPlainString());
             msg.setTemplateId(template.getSt_templateid());
             msg.setTouser(noticer.getOpenid());
             msg.setAppId(school.getSchool_appid());