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

            style="mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-family: 'Courier New'">映射，这种方式我认为问题更多，完全失去了封装的味道。</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="mso-ansi-language: DA; mso-bidi-font-family: 宋体"><SPAN 
            style="mso-list: Ignore"><FONT face=宋体 size=2>第二，</FONT><SPAN 
            style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
            </SPAN></SPAN></SPAN><SPAN style="mso-ansi-language: DA"><FONT 
            face=宋体 size=2>当需要添加或者删除一个<SPAN lang=DA>HTML from 
            </SPAN>属性时，如果</FONT></SPAN><TT><SPAN lang=DA 
            style="FONT-SIZE: 12pt; mso-ansi-language: DA"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><FONT size=2><FONT 
            face=宋体><SPAN lang=DA style="mso-ansi-language: DA"> </SPAN><SPAN 
            style="mso-ansi-language: DA">需要用到这些属性，就得修改</SPAN></FONT></FONT><TT><SPAN 
            lang=DA style="FONT-SIZE: 12pt; mso-ansi-language: DA"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><FONT size=2><FONT 
            face=宋体><SPAN lang=DA style="mso-ansi-language: DA"> ,</SPAN><SPAN 
            style="mso-ansi-language: EN-GB">并且要重新编译。</SPAN><SPAN lang=DA 
            style="mso-ansi-language: DA"><o:p></o:p></SPAN></FONT></FONT></P>
            <P class=doctext 
            style="MARGIN: auto 0cm auto 40pt; TEXT-INDENT: 23pt; mso-char-indent-count: 2.3; mso-para-margin-left: 4.0gd"><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">基于这些原因</SPAN><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，</SPAN><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在</SPAN><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA">Struts1.1</SPAN><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">框架</SPAN><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">中</SPAN><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，</SPAN><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">添加了一种新类型的</SPAN><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">，</SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">这种</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">可以动态变化从而避免创建具体的</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">类。这种</SPAN></TT><TT><SPAN 
            lang=EN-GB style="FONT-SIZE: 10pt; mso-ansi-language: EN-GB"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">的基类是</SPAN></TT><TT><SPAN 
            lang=EN-GB style="FONT-SIZE: 10pt; mso-ansi-language: EN-GB"><FONT 
            color=#354278>org.apache.struts.action.DynaActionForm</FONT></SPAN></TT><TT><SPAN 
            lang=EN-GB 
            style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: EN-GB">,</SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">当然</SPAN></TT><TT><SPAN 
            lang=EN-GB 
            style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: EN-GB">,</SPAN></TT><TT><SPAN 
            lang=EN-GB style="FONT-SIZE: 10pt; mso-ansi-language: EN-GB"><FONT 
            color=#354278>DynaActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">是从</SPAN></TT><TT><SPAN 
            lang=EN-GB style="FONT-SIZE: 10pt; mso-ansi-language: EN-GB"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">扩展而来的。对于应用来说，</SPAN></TT><TT><SPAN 
            lang=EN-GB style="FONT-SIZE: 10pt; mso-ansi-language: EN-GB"><FONT 
            color=#354278>DynaActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">和</SPAN></TT><TT><SPAN 
            lang=EN-GB style="FONT-SIZE: 10pt; mso-ansi-language: EN-GB"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: EN-GB; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">在以下三个方面会有些不同：</SPAN></TT><TT><SPAN 
            lang=EN-GB 
            style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: EN-GB"><o:p></o:p></SPAN></TT></P>
            <P class=doctext 
            style="MARGIN: auto 0cm auto 99pt; TEXT-INDENT: -21pt; tab-stops: list 99.0pt; mso-list: l1 level3 lfo2"><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; FONT-FAMILY: Wingdings; mso-ansi-language: DA; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings"><SPAN 
            style="mso-list: Ignore">l<SPAN 
            style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
            </SPAN></SPAN></SPAN><TT><SPAN lang=EN-GB 
            style="FONT-SIZE: 10pt; mso-ansi-language: EN-GB"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的属性定义</SPAN><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA"><o:p></o:p></SPAN></P>
            <P class=doctext 
            style="MARGIN: auto 0cm auto 99pt; TEXT-INDENT: -21pt; tab-stops: list 99.0pt; mso-list: l1 level3 lfo2"><FONT 
            color=#354278><TT><SPAN lang=DA 
            style="FONT-SIZE: 10pt; FONT-FAMILY: Wingdings; mso-ansi-language: DA; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings"><SPAN 
            style="mso-list: Ignore">l<SPAN 
            style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
            </SPAN></SPAN></SPAN></TT><TT><SPAN lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA">validate()</SPAN></TT></FONT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">方法</SPAN></TT><TT><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA"><o:p></o:p></SPAN></TT></P>
            <P class=doctext 
            style="MARGIN: auto 0cm auto 99pt; TEXT-INDENT: -21pt; tab-stops: list 99.0pt; mso-list: l1 level3 lfo2"><FONT 
            color=#354278><TT><SPAN lang=DA 
            style="FONT-SIZE: 10pt; FONT-FAMILY: Wingdings; mso-ansi-language: DA; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings"><SPAN 
            style="mso-list: Ignore">l<SPAN 
            style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
            </SPAN></SPAN></SPAN></TT><TT><SPAN lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA">reset()</SPAN></TT></FONT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">方法</SPAN></TT><TT><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA"><o:p></o:p></SPAN></TT></P>
            <P class=doctext 
            style="MARGIN: auto 0cm auto 36pt; TEXT-INDENT: 15.6pt; mso-char-indent-count: 1.56"><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>DynaActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">的属性不同于</SPAN></TT><FONT 
            color=#354278><TT><SPAN lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA">ActionForm</SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">，</SPAN></TT><TT><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA">ActionForm</SPAN></TT></FONT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">的属性是通过具体的类，具体的</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>setter,getter</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">方法来进行属性值的设置，获取，而</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>DynaActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">是在</SPAN></TT><TT><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA">Struts</SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">的配置文件中定义的。</SPAN></TT><TT><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA"><o:p></o:p></SPAN></TT></P>
            <P class=doctext 
            style="MARGIN: auto 0cm auto 36pt; TEXT-INDENT: 15.6pt; mso-char-indent-count: 1.56"><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">对</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>reset()</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">方法调用的时机和</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>ActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">并无不同，只是相对来说，在</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>reset()</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">方法被调用的时候，你拥有比较少的控制权。当然，可以通过扩展</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>DynaActionForm</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">，重载</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>reset()</FONT></SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">方法。</SPAN></TT><TT><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; mso-ansi-language: DA"><o:p></o:p></SPAN></TT></P>
            <P class=doctext 
            style="MARGIN: auto 0cm auto 36pt; TEXT-INDENT: 18pt; mso-char-indent-count: 1.8"><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">对于从</SPAN></TT><TT><SPAN 
            lang=DA 
            style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA">UI</SPAN></TT><TT><SPAN 
            style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ansi-language: DA; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">端输入的数据的校验，相对来说有些复杂，它是通过</SPAN></TT><TT><SPAN 
            lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT 
            color=#354278>Struts Validator