添加常量

src/main/java/com/unissoft/constant/GrainConstant.java

@@ -26,4 +26,13 @@ public class GrainConstant {
     // 选项
     public static final String CHOOSE = "choose";
 
+    public static final String STR_SECOND = "second";
+    public static final String STR_MINUTE = "minute";
+    public static final String STR_HOUR = "hour";
+    public static final String STR_DAY = "day";
+    public static final String STR_WEEK = "week";
+    public static final String STR_MONTH = "month";
+    public static final String STR_SEASON = "season";
+    public static final String STR_YEAR = "year";
+
 }