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

CSDN_文档中心_Struts快速学习指南15(内部培训教材)-大部分素材来自于《Programming Jakarta Struts》一书.files

                  size=2>  
                  type="com.oreilly.struts.banking.action.LoginAction"<o:p></o:p></FONT></SPAN></P>
                  <P class=MsoNormal 
                  style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; 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>&nbsp; scope="request"<o:p></o:p></FONT></SPAN></P>
                  <P class=MsoNormal 
                  style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; 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><B><SPAN lang=DA 
                  style="LAYOUT-GRID-MODE: both; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">&nbsp; 
                  name="loginForm"</SPAN></B><SPAN lang=DA 
                  style="LAYOUT-GRID-MODE: both; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><o:p></o:p></SPAN></FONT></P>
                  <P class=MsoNormal 
                  style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; 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>&nbsp; validate="true"<o:p></o:p></FONT></SPAN></P>
                  <P class=MsoNormal 
                  style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; 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>&nbsp; 
                  input="/login.jsp"&gt;<o:p></o:p></FONT></SPAN></P>
                  <P class=MsoNormal 
                  style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; 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>&nbsp; &lt;forward name="Success" 
                  path="/action/getaccountinformation" 
                  redirect="true"/&gt;<o:p></o:p></FONT></SPAN></P>
                  <P class=MsoNormal 
                  style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; 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>&nbsp; &lt;forward name="Failure" path="/login.jsp" 
                  redirect="true"/&gt;<o:p></o:p></FONT></SPAN></P>
                  <P class=MsoNormal 
                  style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; mso-pagination: widow-orphan; 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="LAYOUT-GRID-MODE: both; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">&lt;/action&gt;</SPAN><SPAN 
                  lang=DA 
                  style="FONT-SIZE: 11.5pt; LAYOUT-GRID-MODE: both; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><o:p></o:p></SPAN></FONT></P></TD></TR></TBODY></TABLE>
            <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"><SPAN 
            lang=DA style="mso-ansi-language: DA"><o:p><FONT face=宋体 
            size=2>&nbsp;</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 style="mso-ansi-language: DA"><FONT face=宋体>在<SPAN 
            lang=DA>Struts1.1</SPAN>中，添加了一种新类型的</FONT></SPAN><SPAN lang=DA 
            style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">action 
            form</SPAN><FONT face=宋体><SPAN lang=DA 
            style="mso-ansi-language: DA"> </SPAN><SPAN 
            style="mso-ansi-language: DA">，叫做</SPAN></FONT><SPAN lang=DA 
            style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">org.apache.struts.action.DynaActionForm</SPAN><SPAN 
            style="mso-ansi-language: DA"><FONT 
            face=宋体>，这种类型的</FONT></SPAN><SPAN lang=DA 
            style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">action 
            form</SPAN><SPAN style="mso-ansi-language: DA"><FONT 
            face=宋体>可以配置为<SPAN lang=DA>action</SPAN>的映射，它会自动处理<SPAN lang=DA>HTML 
            form</SPAN>中的数据并将其传递到</FONT></SPAN><SPAN lang=DA 
            style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">Action</SPAN><SPAN 
            style="mso-ansi-language: DA"><FONT face=宋体>。</FONT></SPAN><SPAN 
            lang=DA 
            style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">DynaActionForm 
            </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>如何做到自动处理</FONT></SPAN><SPAN lang=DA 
            style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">HTML 
            form</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>数据的呢？</FONT></SPAN><SPAN lang=DA 
            style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">DynaActionForm</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>内部使用一个</FONT></SPAN><SPAN lang=DA 
            style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">Map</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>来存放</FONT></SPAN><SPAN lang=DA 
            style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">HTML 
            field</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'">数据。</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>在接下来的一节中，我们详细了解一下</FONT></SPAN><SPAN lang=DA 
            style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">DynaActionForm</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'">。</SPAN><SPAN 
            lang=DA 
            style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><o:p></o:p></SPAN></FONT></FONT></P>
            <H4 style="MARGIN: 6pt 0cm 3pt; TEXT-INDENT: 0cm"><A 
            name=_Toc70351650></A><A name=_Toc69320869><SPAN 
            style="mso-bookmark: _Toc70351650"><SPAN lang=EN-US 
            style="mso-bidi-font-family: 宋体"><SPAN 
            style="mso-list: Ignore"><FONT face=宋体 size=2>1.1.1.1</FONT><SPAN 
            style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp; 
            </SPAN></SPAN></SPAN><FONT face=宋体><FONT size=2>使用<SPAN 
            lang=EN-US>DynaActionForm</SPAN></FONT></FONT></SPAN></A></H4>
            <P class=MsoNormal 
            style="MARGIN: 0cm 0cm 0pt 36pt; TEXT-INDENT: 18pt; mso-char-indent-count: 1.8"><FONT 
            size=2><FONT face=宋体>从上一节的介绍，我们可以看出，使用</FONT><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>和我们自己来编写类获取</FONT></SPAN><SPAN lang=DA 
            style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">HTML 
            from</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>值，在进行处理相比，有不少优势。</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>所封装的数据和行为时几乎每一个</FONT></SPAN><SPAN lang=DA 
            style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">web 
            </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>应用程序都需要的，而且在一个应用中会多次用到，例如一个信息实体的增加和修改，可能从不同的角度，不同的页面实现信息实体的增、改，通过</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>就可以复用，复用可以统一规则，减少开发时间和维护工作量。但是，现在对</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'">的使用越来越少，为什么呢？</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 104.25pt; TEXT-INDENT: -47.25pt; tab-stops: list 104.25pt; mso-list: l1 level2 lfo2"><SPAN 
            lang=DA 
            style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 宋体"><SPAN 
            style="mso-list: Ignore"><FONT size=2>第一，</FONT><SPAN 
            style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
            </SPAN></SPAN></SPAN><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>也是一个最大的问题，会使得项目中存在很多</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，增加了整个项目类的数目和维护复杂度，有的开发人员为了避开这个问题，使用一个很大的，包含所有</FONT></SPAN><SPAN 
            lang=DA 
            style="FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">HTML 
            from</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>属性的</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>来和所有</FONT></SPAN><SPAN lang=DA 
            style="COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">action</SPAN><FONT 
            face=宋体><SPAN