📄 csdn_文档中心_struts快速学习指南8(内部培训教材)-大部分素材来自于《programming jakarta struts》一书.htm
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<TD align=right><A href="http://www.csdn.net/">CSDN</A> - <A
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<TD><B> Struts快速学习指南8(内部培训教材)-大部分素材来自于《Programming
Jakarta Struts》一书</B> lzasp800（原作） </TD></TR>
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<TD align=middle bgColor=#003399><FONT color=#ffffff>关键字</FONT></TD>
<TD width=500> Struts MVC Framework</TD></TR>
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<P class=doclist
style="MARGIN: auto 0cm auto 36pt; TEXT-INDENT: 25.7pt; mso-char-indent-count: 2.57"><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA">Struts</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">框架提供的</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionForm</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">实现了一些方法，到现在为止，最重要的两个方法是</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">reset()</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">和</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">validator()</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #354278; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'">：</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA"><o:p></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 63pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; mso-para-margin-left: 6.3gd; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
lang=DA
style="LAYOUT-GRID-MODE: both; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><FONT
size=2>public void reset( ActionMapping mapping, HttpServletRequest
request );<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 63pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; mso-para-margin-left: 6.3gd; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
lang=DA
style="LAYOUT-GRID-MODE: both; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><FONT
size=2>public ActionErrors validate( ActionMapping mapping,
HttpServletRequest request );<o:p></o:p></FONT></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 63pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; mso-para-margin-left: 6.3gd; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><SPAN
lang=DA
style="LAYOUT-GRID-MODE: both; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><o:p><FONT
size=2> </FONT></o:p></SPAN></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 36pt; TEXT-INDENT: 27pt; LINE-HEIGHT: normal; mso-char-indent-count: 2.7; mso-pagination: widow-orphan; mso-para-margin-left: 3.6gd; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><FONT
size=2><SPAN lang=DA
style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionForm</SPAN><FONT
face=宋体><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'">对于这两个方法的默认实现是不执行任何操作，你可以重载这两个方法来执行具体的逻辑。</SPAN><SPAN
lang=DA
style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><o:p></o:p></SPAN></FONT></FONT></P>
<P class=MsoNormal
style="MARGIN: 0cm 0cm 0pt 36pt; TEXT-INDENT: 27pt; LINE-HEIGHT: normal; mso-char-indent-count: 2.7; mso-pagination: widow-orphan; mso-para-margin-left: 3.6gd; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt"><FONT
size=2><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>当写好了</FONT></SPAN><SPAN lang=DA
style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionForm</SPAN><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>类之后，需要通知</FONT></SPAN><SPAN lang=DA
style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">Struts</SPAN><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>应用程序它的存在，以及</FONT></SPAN><SPAN lang=DA
style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">action</SPAN><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>和</FONT></SPAN><SPAN lang=DA
style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionForm</SPAN><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>之间的映射关系。在</FONT></SPAN><SPAN lang=DA
style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">Struts</SPAN><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>中，是通过配置文件来实现这一目的的。第一步，将应用所需要用到的所有</FONT></SPAN><SPAN lang=DA
style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionForm</SPAN><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>在配置文件的</FONT></SPAN><SPAN lang=DA
style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">form-beans</SPAN><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>这一段加以描述，下面的片断描述了如何通知</FONT></SPAN><SPAN lang=DA
style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">Struts</SPAN><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'"><FONT
face=宋体>应用程序这三个</FONT></SPAN><SPAN lang=DA
style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionForm</SPAN><FONT
face=宋体><SPAN
style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'">的存在。</SPAN><SPAN
lang=DA
style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><o:p></o:p></SPAN></FONT></FONT></P>
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