📄 入門 25 - 簡介與設置tiles - javaworld@tw.htm
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簡介與設置Tiles</SPAN> </DIV>
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<DIV class=pagesubheading>Last changed on Oct 27, 2004 by <A
href="http://www.javaworld.com.tw/confluence/display/~koji">koji
lin</A> </DIV><!-- page content --> Tiles是一個Template
Engine,它可以讓網頁的配置(Layout)標籤與內容分離,提供一個版面管理機制。<BR> 在網頁上最常用來處理版面的是表格,透過將表格邊框設定為0,可以用它來切割版面,並在當中置入內容,然而一大堆版面配置的標籤將與內容夾雜在一起(個人就不太喜歡處理表格的標籤),如果以後要更改內容或版面配置,會是一個麻煩。<BR> 在視窗程式的設計中存在有版面管理員(Layout
Manager)機制,我們可以選擇一個版面管理機制,之後直接在視窗容器上添加元件而不用處理版面配置細節,而由版面管理員來自己處理元件的版面配置,如果想要改變版面配置,則只要直接更換版面管理員,所有的元件將自動依新的管理員而重新配置版面。<BR> Tiles提供一個類似於視窗程式版面管理的機制,透過定義檔,您可以定義版面配置,以及當中所要置入的內容網頁,內容與版面配置的標籤可以分離,您可以隨時抽換每一個內容網頁,也可以重用每一個版面配置。<BR> 在Struts
1.1中,Tiles隨著它一同發佈,您可以直接從struts-blank中開始設定,當中已經包括了Tiles必要的檔案與設定,如果您要自行設定
Tiles,您必須要有commons-beanutils.jar、commons-logging.jar、commons-
collections.jar、commons-digester.jar、struts.jar四個檔案在您的WEB-INF/lib目錄中,並且在
struts-config.xml中加入以下的內容:
<DIV class=code
style="BORDER-TOP-STYLE: solid; BORDER-RIGHT-STYLE: solid; BORDER-LEFT-STYLE: solid; BORDER-BOTTOM-STYLE: solid">
<DIV class=codeHeader
style="BORDER-BOTTOM-STYLE: solid"><B>struts-config.xml</B></DIV>
<DIV class=codeContent><PRE><plug-in className=<SPAN class=java-quote>"org.apache.struts.tiles.TilesPlugin"</SPAN> >
<set-property property=<SPAN class=java-quote>"definitions-config"</SPAN>
value=<SPAN class=java-quote>"/WEB-INF/conf/tiles-defs.xml"</SPAN> />
<set-property property=<SPAN class=java-quote>"moduleAware"</SPAN> value=<SPAN class=java-quote>"<SPAN class=java-keyword>true</SPAN>"</SPAN> />
<set-property property=<SPAN class=java-quote>"definitions-parser-validate"</SPAN> value=<SPAN class=java-quote>"<SPAN class=java-keyword>true</SPAN>"</SPAN> />
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