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作者	关于jpetstore源码中看到的domain,service的问题..
momocha 发贴: 98 积分: 10	于 2005-11-23 13:40 我看原码分成了四个目录dao,web,domain,service四个目录,前两个很容易明白,但domain,service这两上的划分依据和想法不太明白.特别是domain里边的类比较杂乱.

作者

Re:关于jpetstore源码中看到的domain,service的问题.. [Re:momocha]

yeafee

javaholder

发贴: 42
积分: 1

于 2005-11-23 16:55

期待有谁能能够给出清楚的说明！！！
momocha，你看的是Spring作的web tier还是struts作的web tier呢？能否把你看的过程写出来供大家学习呢。正在看Spring的，只是遇到不少困难呀. Sad

.希望自己能赶快把它整理出来。

看Spring附带jpetstore(Spring as web tier)登入过程,请指点
http://www.cjsdn.net/post/view?bid=20&id=163530&sty=1

yeafee edited on 2005-11-23 17:01

三人行,必有我师焉
敏而好学,不耻三问
学而时习之,不思则罔
.......．．．

作者

Re:关于jpetstore源码中看到的domain,service的问题.. [Re:momocha]

floater

Java Jedi

总版主

发贴: 3233
积分: 421

于 2005-11-24 02:58

domain is the central business tier. service package is more like a web package, just a way to expose these services remotely, so that users could use the web interfaces, or the webservice interfaces(like amazon's webservices).

"Any fool can write code that a computer can understand. Good programmers write code that humans can understand."
- Martin Fowler, Refactoring - Improving the Design of Existing Code

作者	Re:关于jpetstore源码中看到的domain,service的问题.. [Re:momocha]
momocha 发贴: 98 积分: 10	于 2005-11-25 19:36 谢谢floater,我还是不太明白加一层Spring究竟有啥些作用,对象之间的解藕，也就是对象之间的依整由配置文件注入，还有事务管理（这个具体的是指些什么内容），能不能说明一下！

作者	Re:关于jpetstore源码中看到的domain,service的问题.. [Re:momocha]
momocha 发贴: 98 积分: 10	于 2005-11-25 21:38 还有一个问题,这个Demo(iBatis的也一样)不支持汉字,我加过滤器还有改每个jsp页面的编码都不行..不知道为啥..

作者

Re:关于jpetstore源码中看到的domain,service的问题.. [Re:momocha]

floater

Java Jedi

总版主

发贴: 3233
积分: 421

于 2005-11-27 05:38

加一层Spring究竟有啥些作用,对象之间的解藕，也就是对象之间的依整由配置文件注入 - you should read Rod Johnson's books, because it's a very large topic, hard to say in a few sentences.

事务管理 - e.g., a group of database operations work atomically, i.e., either all sucessful or all failed.

Chinese encoding - search here for answers, I am not an expert on i18n.

"Any fool can write code that a computer can understand. Good programmers write code that humans can understand."
- Martin Fowler, Refactoring - Improving the Design of Existing Code

作者	Re:关于jpetstore源码中看到的domain,service的问题.. [Re:momocha]
momocha 发贴: 98 积分: 10	于 2005-11-29 11:27 好多文档都提到那本<<j2ee设计开发指南>>这本书还值得看一看吗,还是直接看最新的那本without ejb就可以了..

作者

Re:关于jpetstore源码中看到的domain,service的问题.. [Re:momocha]

floater

Java Jedi

总版主

发贴: 3233
积分: 421

于 2005-11-29 11:52

That's still one of the best books I've ever read. It also helps a lot for reading Rod's other books because it's a more comprehensive book than others, it covers a lot of practical consideration, not too simplified to a meaningless case.

The other books are more of solution books, given the problems, esp ejbs in 90% cases are not appropriate.

This is my original comment back in 2003:
http://www.cjsdn.net/post/view?bid=20&id=30105&tpg=1&ppg=1&sty=1&age=0#30105

floater edited on 2005-11-29 12:03

"Any fool can write code that a computer can understand. Good programmers write code that humans can understand."
- Martin Fowler, Refactoring - Improving the Design of Existing Code

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