添加redis工具类及配置

src/main/java/com/unissoft/MyConstant.java

@@ -42,6 +42,8 @@ public class MyConstant {
     public static final String PASSWORD = "password";
     public static final String GRANT_TYPE = "grant_type";
     public static final String SCOPE = "scope";
+    //reids过期时间，单位秒默认3分钟
+    public static final long REDIS_SECONDS = 180;
 
     public static final HashMap<String, String > GRADEMAP  = new HashMap<String, String>(){{
         put("1","初级");