refactor: 补正一些缺失方法

sa-token-starter/sa-token-jboot-plugin/src/main/java/cn/dev33/satoken/jboot/SaTokenCacheDao.java

@@ -167,6 +167,11 @@ public class SaTokenCacheDao implements SaTokenDaoBySessionFollowObject {
         }
     }
 
+    @Override
+    public <T> T getObject(String key, Class<T> classType) {
+        return (T) getObject(key);
+    }
+
     @Override
     public void setObject(String key, Object object, long timeout) {
         if (timeout == 0 || timeout <= SaTokenDao.NOT_VALUE_EXPIRE) {

sa-token-starter/sa-token-jfinal-plugin/src/main/java/cn/dev33/satoken/jfinal/SaTokenDaoRedis.java

@@ -150,6 +150,11 @@ public class SaTokenDaoRedis implements SaTokenDaoBySessionFollowObject {
         }
     }
 
+    @Override
+    public <T> T getObject(String key, Class<T> classType) {
+        return (T) getObject(key);
+    }
+
     /**
      * 写入Object，并设定存活时间 (单位: 秒)
      */