📄 csdn_文档中心_struts快速学习指南19(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: 9pt; COLOR: green; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes"> </SPAN>* @version
1.0<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; COLOR: green; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes"> </SPAN>*/<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana">public
class ProjectListSearchAction<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes"> </SPAN>extends
Action {<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN>BusinessDelegate
businessDelegate = null;<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes"> </SPAN>public
ActionForward execute(ActionMapping
actionMapping,<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>ActionForm actionForm,<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>HttpServletRequest request,<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>HttpServletResponse response) {<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>try {<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>DynaActionForm form = (DynaActionForm)
actionForm;<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; COLOR: #339966; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><FONT face=宋体><SPAN
style="FONT-SIZE: 9pt; COLOR: #339966; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana">定义分页所需要变量</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; COLOR: #339966; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>int page=
((Integer)form.get("page")).intValue();<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>int pageSize = 5;<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>int allSize = 0;<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes"> </SPAN><SPAN
style="mso-spacerun: yes"> </SPAN>int
pageCount = 0;<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; COLOR: #339966; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><SPAN
style="FONT-SIZE: 9pt; COLOR: #339966; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana"><FONT
face=宋体>获取用户输入查询值</FONT></SPAN><SPAN lang=EN-US
style="FONT-SIZE: 9pt; COLOR: #339966; FONT-FAMILY: Verdana">,</SPAN><FONT
face=宋体><SPAN
style="FONT-SIZE: 9pt; COLOR: #339966; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana">并形成查询条件</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; COLOR: #339966; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>String projectCode =
(String)form.get("projectCode");<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>String projectCodeSign =
(String)form.get("projectCodeSign");<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>String projectName =
(String)form.get("projectName");<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>String projectNameSign =
(String)form.get("projectNameSign");<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN><B
style="mso-bidi-font-weight: normal">ProjectSearchGene
searchGene = new ProjectSearchGene(); </B><SPAN
style="COLOR: #339966">//searchGene</SPAN></SPAN><FONT
face=宋体><SPAN
style="FONT-SIZE: 9pt; COLOR: #339966; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana">为一查询精灵，用以处理查询操作，在此不用过多关注，有机会在另文介绍</SPAN><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></B></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>searchGene.setProjectCode(projectCode,
projectCodeSign);<o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>searchGene.setProjectName(projectName,
projectNameSign);<o:p></o:p></SPAN></B></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; COLOR: #339966; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><FONT face=宋体><SPAN
style="FONT-SIZE: 9pt; COLOR: #339966; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana">装载当前页面所需要显示项目列表数据</SPAN><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; COLOR: #339966; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN><B
style="mso-bidi-font-weight: normal">BusinessDelegate
businessDelegate = BusinessDelegate.getInstance(); </B><SPAN
style="COLOR: green">//</SPAN></SPAN><FONT face=宋体><SPAN
style="FONT-SIZE: 9pt; COLOR: green; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana">业务层操作，不用关注</SPAN><B
style="mso-bidi-font-weight: normal"><SPAN lang=EN-US
style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><o:p></o:p></SPAN></B></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>ResultSetIterator projectIterator =
businessDelegate.<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>getProjectIterator(searchGene,pageSize);<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>java.util.List projects =
projectIterator.getElements(page);<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>if (projects == null) {<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>projects = new
java.util.ArrayList();<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US style="FONT-SIZE: 9pt; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN><SPAN
style="mso-spacerun: yes"> </SPAN>}<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
lang=EN-US
style="FONT-SIZE: 9pt; COLOR: green; FONT-FAMILY: Verdana"><SPAN
style="mso-spacerun: yes">
</SPAN>//</SPAN><FONT face=宋体><SPAN
style="FONT-SIZE: 9pt; COLOR: green; mso-hansi-font-family: Verdana; mso-ascii-font-family: Verdana">将项目列表查询结果放置到请求对象中</SPAN><SPAN
lang=EN-US
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