📄 csdn_文档中心_struts快速学习指南5(内部培训教材)-大部分素材来自于《programming jakarta struts》一书.htm
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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'">的</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>reset( )</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'">方法进行属性值的默认化。</SPAN><TT><SPAN
lang=EN-US style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></TT></P>
<P class=doctext
style="MARGIN: auto 0cm auto 50.25pt; TEXT-INDENT: -32.25pt; mso-list: l0 level1 lfo1; tab-stops: list 50.25pt"><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; mso-fareast-font-family: 'Times New Roman'"><SPAN
style="mso-list: Ignore">11、<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></SPAN></SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">调用</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">processValidate(
)</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">方法。如果</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionForm</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">被配置好，并且</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">action</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">元素的属性</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">validate</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">被设置为</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">true</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">
</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">，则进一步调用</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">validate(
)</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">方法进行规则校验。如果</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">validate(
)</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">方法校验失败，就会保存一个</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionErrors</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">对象到请求区域中，请求将会自动重定向到</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">action</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">映射的</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">input</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">属性所指定的页面中。如果校验通过或在</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">action</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">映射中没有配置</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">ActionForm</SPAN><SPAN
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: windowtext; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: DA">，则继续处理请求。</SPAN><SPAN
lang=EN-US style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P class=doctext
style="MARGIN: auto 0cm auto 50.25pt; TEXT-INDENT: -32.25pt; mso-list: l0 level1 lfo1; tab-stops: list 50.25pt"><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; mso-fareast-font-family: 'Times New Roman'"><SPAN
style="mso-list: Ignore">12、<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></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">根据</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; LAYOUT-GRID-MODE: line; COLOR: #354278; FONT-FAMILY: 'Courier New'; mso-ansi-language: DA">action</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">映射是否配置了</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>forward</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">属性或</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>include</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">属性来决定下一步操作。如果配置了任意一个，则相应地调用</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>RequestDispatcher</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">对象的</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>forward( )</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">方法或</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>include( )</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">方法，调用后，对客户请求的处理结束。否则，继续处理请求。</SPAN><SPAN
lang=EN-US style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P class=doctext
style="MARGIN: auto 0cm auto 50.25pt; TEXT-INDENT: -32.25pt; mso-list: l0 level1 lfo1; tab-stops: list 50.25pt"><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; mso-fareast-font-family: 'Times New Roman'"><SPAN
style="mso-list: Ignore">13、<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></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'">调用</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>processActionCreate( )</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'">方法创建或获取一个</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>Action</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'">对象实例处理请求。</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>processActionCreate( )</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'">方法会在缓存中查找是否存在已经创建好的</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>Action</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'">实例，如果存在，则复用，否则，则重新创建并将其村于缓存中。</SPAN><SPAN
lang=EN-US style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></P>
<P class=doctext
style="MARGIN: auto 0cm auto 50.25pt; TEXT-INDENT: -32.25pt; mso-list: l0 level1 lfo1; tab-stops: list 50.25pt"><TT><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; mso-fareast-font-family: 'Courier New'"><SPAN
style="mso-list: Ignore"><FONT color=#354278>14、<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></FONT></SPAN></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">调用</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>processActionPerform( )</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">方法，该方法用于在一个</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; mso-ansi-language: DA">try/catch</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">代码块中调用</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; mso-ansi-language: DA">action</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">实例的</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>execute( )</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">方法，这样确保</SPAN><TT><SPAN
lang=EN-US style="FONT-SIZE: 10pt"><FONT
color=#354278>action</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">的</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>execute( )</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">方法一旦发生</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">执行异常能够被</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>RequestProcessor</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">捕获。</SPAN><TT><SPAN
lang=EN-US style="FONT-SIZE: 10pt"><o:p></o:p></SPAN></TT></P>
<P class=doctext
style="MARGIN: auto 0cm auto 50.25pt; TEXT-INDENT: -32.25pt; mso-list: l0 level1 lfo1; tab-stops: list 50.25pt"><TT><SPAN
lang=EN-US
style="FONT-SIZE: 10pt; mso-fareast-font-family: 'Courier New'"><SPAN
style="mso-list: Ignore"><FONT color=#354278>15、<SPAN
style="FONT: 7pt 'Times New Roman'">
</SPAN></FONT></SPAN></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">调用</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>processActionForward( )</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">方法，并传入</SPAN><SPAN
lang=DA
style="FONT-SIZE: 10pt; mso-ansi-language: DA">action</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">的</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>execute( )</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">方法所返回的</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>ActionForward</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">对象</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">实例，方法通过检查</SPAN><TT><SPAN
lang=DA style="FONT-SIZE: 10pt; mso-ansi-language: DA"><FONT
color=#354278>ActionForward</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">对象实例，决定采用</SPAN><TT><SPAN
lang=EN-US style="FONT-SIZE: 10pt"><FONT
color=#354278>redirect</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">或</SPAN><TT><SPAN
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