he method get(Class, Serializable) in the type HibernateTemplate is not applicable for the arguments（jxaubooks.class ,booksId);
因为booksId是以object的形式传进来；它实积上是string类型，String默认就实现了可序列化；而object默认没有，所以与
方法 get(Class,serierse)不匹配；
he method get(Class, Serializable) in the type HibernateTemplate is not applicable for the arguments
【上篇】javax.naming.NameNotFoundException: java:/comp/env/jdbc/aa_db
【下篇】he method isEmpty() is undefined for the type String/String
【下篇】he method isEmpty() is undefined for the type String/String