?? 由于web中的文件不能直接通過(guò)url方式讀取opencms的sites下的文件，所以必須繞個(gè)彎子解決。查閱了一下opencms的源代碼，我的解決思路如下：

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第一 拷貝方式：

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?? 1.第一次訪問(wèn)時(shí)，根據(jù)opencms提供的接口，把文件從數(shù)據(jù)庫(kù)讀到j(luò)ava對(duì)象obj

?? 2.將obj對(duì)象拷貝到web中的對(duì)應(yīng)目錄

?? 3.將web中的對(duì)應(yīng)目錄的URL確定，即可直接調(diào)用。

?? 4.第二次及其以后訪問(wèn)時(shí)，根據(jù)對(duì)象obj的最后修改時(shí)間屬性，確定是否需要重復(fù)1-3步驟。

參考源代碼：
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<!-- ?$Id:?test.jsp,v? 1.5 ? 2006 / 08 / 11 ? 04 : 59 : 31 ?davidye?Exp?$ -->
? <% @?page?pageEncoding = " UTF-8 " ? %>
<% @?page?buffer = " none " ? import = " org.opencms.util.*,?org.teema.eeonline.exhibition.ExhibitionConstants,com.tblink.common.util.StringUtil,org.opencms.frontend.templateone.modules.*,javax.servlet.ServletOutputStream,?org.opencms.file.*,java.util.*,?java.io.*,?org.opencms.frontend.templateone.* " ? %>
<% @?taglib?uri = " http://jakarta.apache.org/struts/tags-bean " ?prefix = " bean " %>
<% @?taglib?prefix = " cms " ?uri = " http://www.opencms.org/taglib/cms " ? %>
<% @?taglib?prefix = " fmt " ?uri = " http://java.sun.com/jstl/fmt " ? %>
<% @?taglib?prefix = " c " ?uri = " http://java.sun.com/jstl/core " ? %>
<% @?include?file = " ../elements/common/common.jsp " ? %>

<%!
private ?String?copyFile(CmsFile?cmsFile){
???? try {
???????? byte []?byteFile? = ?cmsFile.getContents();
????????String?path? = ?StringUtil.getRealPath(StringUtil. class , " WEB-INF " ,ExhibitionConstants.EXHIBITION_FLASH_DIRECTIONARY);
????????RandomAccessFile?rf = new ?RandomAccessFile(path? + ?ExhibitionConstants.EXHIBITION_FLASH_NAME, " rw " );?
????????rf.write(byteFile);?
????????rf.close();
???????? return ?path.substring( 0 ,path.length() - 1 );
????}
???? catch (Exception?e)
????{
???????? return ? "" ;
????}
}
%>

<%
String?direct? = ?ExhibitionConstants.EXHIBITION_FLASH_DIRECTIONARY? + ?ExhibitionConstants.EXHIBITION_FLASH_NAME;
String?flashUrl? = ? "" ;
try {
CmsFile?cmsFile? = ?__cmsJSP.getCmsObject().readFile(direct);
long ?l? = ?cmsFile.getDateLastModified();
String?lstr? = ?(String)application.getAttribute(ExhibitionConstants.APPLICATION_FLASH_DATE_INDEX);
flashUrl? = ?(String)application.getAttribute(ExhibitionConstants.APPLICATION_FLASH_URL_INDEX);

if (lstr == null ? || ? ! StringUtil.isNums(lstr)){
????direct? = ?copyFile(cmsFile);
} else ? if (Long.parseLong(lstr) == l){
???? if (flashUrl == null ){
????????direct? = ?copyFile(cmsFile);
????}
} else {
??????direct? = ?copyFile(cmsFile);
}
flashUrl? = ??request.getContextPath()? + ?ExhibitionConstants.EXHIBITION_FLASH_DIRECTIONARY? + ?ExhibitionConstants.EXHIBITION_FLASH_NAME;
application.setAttribute(ExhibitionConstants.APPLICATION_FLASH_DATE_INDEX,lstr);
application.setAttribute(ExhibitionConstants.APPLICATION_FLASH_URL_INDEX,flashUrl);

}
catch (Exception?e)
{
????out.println(e);?
}
%>

< object?classid = " clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 " ?codebase = " http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0 " ?width = " 760 " ?height = " 266 " >
??????? < param?name = " movie " ?value = " <%=flashUrl%> " >
??????? < param?name = " quality " ?value = " high " >
??????? < embed?src = " <%=flashUrl%> " ?quality = " high " ?pluginspage = " http://www.macromedia.com/go/getflashplayer " ?type = " application/x-shockwave-flash " ?width = " 760 " ?height = " 266 " ></ embed >
</ object >