📄 csdn_文档中心_struts快速学习指南9(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9(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=doctext
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style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">当你</SPAN><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA">HTML
form</SPAN><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">中添加了一个属性，需要在</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>DynaActionForm</FONT></SPAN></TT><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">中添加一个属性时，就不需要去修改具体的</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-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">类，只需要在配置文件中添加一个</SPAN></TT><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>form-property</FONT></SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">元素即可，大大提高了可扩展能力。</SPAN></TT><TT><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA"><o:p></o:p></SPAN></TT></P>
<P class=doctext
style="MARGIN: auto 0cm; TEXT-INDENT: 18pt; mso-char-indent-count: 1.8"><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">前面我们已经了解到，</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-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">的</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-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">方法默认不进行任何操作，在</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-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">中，</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-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">方法默认将所有属性设置为默认值，如果在配置文件中没有为该属性设置默认值，将会按照</SPAN></TT><TT><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA">java</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">编程语言的规范根据属性的类型为其进行初始化，例如：数字</SPAN></TT><TT><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA">(int
,double,float)</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">的将会初始化为</SPAN></TT><TT><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA">0</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">，</SPAN></TT><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>Ojbect</FONT></SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">类型将为初始化为</SPAN></TT><TT><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA">null</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">。</SPAN></TT><TT><SPAN
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style="FONT-SIZE: 10pt; COLOR: windowtext; mso-ansi-language: DA"><o:p></o:p></SPAN></TT></P>
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style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">注意</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">：在配置文件中定义的</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">form-property</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">的</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">type</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">属性，其值为一个</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">java</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">类名，因此对于</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">java</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">语言中的主类型，如</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ini,long</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">必须定义为</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">java.lang.Int</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">，</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">java.lang.Long</SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA; mso-bidi-font-family: 'Courier New'">，其它主类型依次类推。</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA"><o:p></o:p></SPAN></P></TD></TR></TBODY></TABLE>
<H5 style="MARGIN: 12pt 0cm 3pt; TEXT-INDENT: 0cm"><A
name=_Toc70351652></A><A name=_Toc69320871><SPAN
style="mso-bookmark: _Toc70351652"><FONT color=#354278><TT><SPAN
lang=DA
style="FONT-SIZE: 10pt; mso-ansi-language: DA; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 'Courier New'"><SPAN
style="mso-list: Ignore">1.1.1.1.1<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 12.0pt">使用</SPAN></TT></FONT></SPAN></A><FONT
color=#354278><SPAN style="mso-bookmark: _Toc69320871"><SPAN
style="mso-bookmark: _Toc70351652"><TT><SPAN lang=EN-US
style="FONT-SIZE: 10pt; mso-bidi-font-size: 12.0pt">DynaActionForm</SPAN></TT></SPAN></SPAN><SPAN
style="mso-bookmark: _Toc69320871"><SPAN
style="mso-bookmark: _Toc70351652"><TT><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-bidi-font-size: 12.0pt">执行校验规则</SPAN></TT></SPAN></SPAN><SPAN
style="mso-bookmark: _Toc70351652"></SPAN><SPAN
style="mso-bookmark: _Toc69320871"></SPAN><TT><SPAN lang=DA
style="FONT-SIZE: 10pt; mso-ansi-language: DA; mso-bidi-font-size: 12.0pt"><o:p></o:p></SPAN></TT></FONT></H5>
<P class=doctext
style="MARGIN: auto 0cm; TEXT-INDENT: 18pt; mso-char-indent-count: 1.8"><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><SPAN
style="mso-spacerun: yes"> </SPAN></SPAN><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">同</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-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: EN-GB">一样</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">，</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-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: EN-GB">也没有提供</SPAN></TT><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>validate()</FONT></SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: EN-GB">方法的默认操作</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">，</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: EN-GB">幸运的是</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">，</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-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: EN-GB">提供了另外一种框架来帮助大家解决</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'">校验</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: EN-GB">的问题</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">，</SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: EN-GB">这就是</SPAN></TT><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>Struts Validator</FONT></SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">框架。</SPAN></TT><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>Struts Validator </FONT></SPAN></TT><TT><SPAN
style="FONT-SIZE: 10pt; COLOR: windowtext; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Courier New'; mso-hansi-font-family: 'Courier New'; mso-ansi-language: DA">框架由</SPAN></TT><SPAN
lang=EN-GB style="FONT-SIZE: 10pt; mso-ansi-language: EN-GB">David
Winterfeldt</SPAN><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-GB">编写，现在已经成为</SPAN><SPAN
lang=EN-GB
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