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<H1><A class=headermaintitle id=Header1_HeaderTitle
href="http://www.blogjava.net/moxie/">Software Development Culture</A></H1>
<P id=tagline>将软件文化进行到底</P>
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<H2><A id=viewpost1_TitleUrl
href="http://www.blogjava.net/moxie/archive/2006/10/20/76375.html">WebWork深入浅出</A>
</H2>
<P
style="MARGIN: 12pt 0in 3pt"><SPAN>本文发表于《开源大本营》
<BR></SPAN></P>
<P
style="MARGIN: 12pt 0in 3pt"><SPAN>
</SPAN><SPAN lang=ZH-CN style="FONT-FAMILY: 宋体">作者：钱安川</SPAN> </P>
<H2 style="MARGIN: 12pt 0in 3pt"><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体"><EM>前言</EM> </SPAN></H2>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">本篇文章并没有太多</SPAN>WebWork <SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">的实战代码细节。本人非常希望能充当一名导游的角色，带领读者逐步游览</SPAN>WebWork<SPAN
lang=ZH-CN style="FONT-FAMILY: 宋体">的功能特性和原理。在第一章，我们将提出基于三层架构的</SPAN>Web<SPAN
lang=ZH-CN style="FONT-FAMILY: 宋体">层需要解决的</SPAN>10<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">个问题，这是本文的纵轴。围绕着纵轴，我们按照横轴的顺序逐步描述讲解：</SPAN>WebWork<SPAN
lang=ZH-CN style="FONT-FAMILY: 宋体">简介、</SPAN>WebWork<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">入门、</SPAN>WebWork<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">原理、</SPAN>WebWork<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">实战和技巧、展望</SPAN>WebWork<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">未来、最后是本文的总结。</SPAN><SPAN
style="COLOR: red"><O:P></O:P></SPAN></P>
<H2 style="MARGIN: 12pt 0in 3pt"><EM><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">基于三层架构的</SPAN> <FONT face=Arial>Web</FONT> <SPAN
lang=ZH-CN style="FONT-FAMILY: 宋体">层需要解决的问题</SPAN> </EM></H2>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">我们这里讨论的</SPAN>Web<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">层，是基于典型的三层架构：</SPAN>Web<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">层，业务层，数据层。故，我们将不讨论任何涉及业务（业务逻辑）层和数据层功能的实现。</SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt">Web<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">层需要解决的问题：</SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt 0.5in; TEXT-INDENT: -0.25in"><SPAN><SPAN>1、<SPAN
style="FONT: 7pt 'Times New Roman'; font-size-adjust: none; font-stretch: normal">
</SPAN></SPAN></SPAN><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">数据的输入。如何获得基于无状态</SPAN>HTTP<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">的请求数据？如何将请求的字符数据转换为对应的模型对象？</SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt 0.5in; TEXT-INDENT: -0.25in"><SPAN><SPAN>2、<SPAN
style="FONT: 7pt 'Times New Roman'; font-size-adjust: none; font-stretch: normal">
</SPAN></SPAN></SPAN><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">输入数据的验证。如何验证输入数据的合法性并给出明确的错误消息提示</SPAN> <SPAN
lang=ZH-CN></SPAN><SPAN lang=ZH-CN style="FONT-FAMILY: 宋体">？</SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt 0.5in; TEXT-INDENT: -0.25in"><SPAN><SPAN>3、<SPAN
style="FONT: 7pt 'Times New Roman'; font-size-adjust: none; font-stretch: normal">
</SPAN></SPAN></SPAN><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">数据的输出。如何展现复杂的对象结构？如何处理复杂的展现逻辑？</SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt 0.5in; TEXT-INDENT: -0.25in"><SPAN><SPAN>4、<SPAN
style="FONT: 7pt 'Times New Roman'; font-size-adjust: none; font-stretch: normal">
</SPAN></SPAN></SPAN><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">数据的传递和共享。如何在不同的请求或页面之间传递和共享数据？</SPAN> </P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt 0.5in; TEXT-INDENT: -0.25in"><SPAN><SPAN>5、<SPAN
style="FONT: 7pt 'Times New Roman'; font-size-adjust: none; font-stretch: normal">
</SPAN></SPAN></SPAN><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">页面的流程管理。如何管理</SPAN>Web<SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">应用中的页面流程？</SPAN></P>
<P class=MsoNormal
style="MARGIN: 0in 0in 0pt 0.5in; TEXT-INDENT: -0.25in"><SPAN><SPAN>6、<SPAN
style="FONT: 7pt 'Times New Roman'; font-size-adjust: none; font-stretch: normal">
</SPAN></SPAN></SPAN><SPAN lang=ZH-CN
style="FONT-FAMILY: 宋体">模块化的管理。如何将复杂�
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