code: public static String getTableName(Dao dao, final Entity<?> en, Object target) {
          if (target == null)
              return en.getTableName();
          final String[] name = new String[1];
          TableName.run(target, new Runnable() {
              public void run() {
                  name[0] = en.getTableName();
              }
          });
          return name[0];
      }
docs: 获取动态表的表名
  
  @param dao
  Dao实例
  @param en
  Pojo的数据库实体
  @param target
  参考对象