一个例子，基于ejb技术的Hello程序，完整的实现了ejb的整体框架。通过该简单的例子，你能很容易的明白ejb的实现原理和机制，能快速入门，有助于ejb的学习 -an example, based on the Hello Bob technical procedures, the integrity of Bob achieve an overall fr a mework. Through the simple example, you can easily understand Bob&