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什么是服务？

作者:older 日期:2007-05-05 15:23:22

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我个人认为服务是一个或一堆对外部产生影响的对象总称，服务关注内外与过程.

服务的主动式与被动式

我个人认为服务是存在主动式与被动式,称需要请求性的服务为被动服务,而将那些不请自来的服务为主动式服务。

1： 例如：学生请教老师问题,老师作出回答，这个过程中，首先学生向老师发出请求,然后老师才有问而答，事实上,老师为学生服务了。这就叫请求式服务或被动式服务。

2：例如:邮件员送信，可是很多时候我们并不清楚自己是否有信件，只有等邮件员将信送到你手中才知道，在这之前，我们也许并没有请求过邮件员。 这个叫主动式服务。

以上为个人观点，也许存在错误，还望得到您的指点！ 谢谢！

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