先说怎么做,再稍微解释一下为什么这么做
1.webwork.properties里面设置
webwork.serve.static=false
webwork.multipart.parser=cos
2.在webapp的根目录下建一个文件夹webwork,把webwork.jar里面的/com/opensymphony/webwork/static和/template里面的文件和复制到自己建的webwork文件夹里面,在/webwork/richtexteditor里面建文件夹data(可能会自动建,没测试过)
3.写一个RichtexteditorConnector
package test;

import java.io.FileFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletContext;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.opensymphony.webwork.components.DefaultRichtexteditorConnector;


public class RichtexteditorConnector extends DefaultRichtexteditorConnector {
    
public static final Log _log = LogFactory
            .getLog(RichtexteditorConnector.
class);

    
private ServletContext servletContext;

    
public void setServletContext(ServletContext servletContext) {
        
this.servletContext = servletContext;
    }

    
protected String calculateActualServerPath(String actualServerPath,
            String type, String folderPath) 
throws Exception {
        String path 
= servletContext.getRealPath(actualServerPath);
        path 
= path.replace('\\''/');
        makeDirIfNotExists(path);
        path 
= path.endsWith("/"? path : path + "/";
        
return path + type + folderPath;
    }

    
protected Folder[] getFolders(String virtualFolderPath, String type)
            
throws Exception {
        String path 
= calculateActualServerPath(getActualServerPath(), type,
                virtualFolderPath);
        makeDirIfNotExists(path);
        java.io.File f 
= new java.io.File(path);
        java.io.File[] children 
= f.listFiles(new FileFilter() {
            
public boolean accept(java.io.File pathname) {
                
if (!pathname.isFile()) {
                    
return true;
                }
                
return false;
            }
        });

        List tmpFolders 
= new ArrayList();
        
for (int a = 0; a < children.length; a++) {
            tmpFolders.add(
new Folder(children[a].getName()));
        }

        
return (Folder[]) tmpFolders.toArray(new Folder[0]);
    }

    
protected FoldersAndFiles getFoldersAndFiles(String virtualFolderPath,
            String type) 
throws Exception {
        String path 
= calculateActualServerPath(getActualServerPath(), type,
                virtualFolderPath);
        makeDirIfNotExists(path);
        java.io.File f 
= new java.io.File(path);
        java.io.File[] children 
= f.listFiles();

        List directories 
= new ArrayList();
        List files 
= new ArrayList();
        
for (int a = 0; a < children.length; a++) {
            
if (children[a].isDirectory()) {
                directories.add(
new Folder(children[a].getName()));
            } 
else {
                
try {
                    files.add(
new File(children[a].getName(),
                            fileSizeInKBytes(children[a])));
                } 
catch (Exception e) {
                    _log.error(
"cannot deal with file " + children[a], e);
                }
            }
        }

        
return new FoldersAndFiles((Folder[]) directories
                .toArray(
new Folder[0]), (File[]) files.toArray(new File[0]));
    }

    
protected FileUploadResult fileUpload(String virtualFolderPath,
            String type, String filename, String contentType,
            java.io.File newFile) {
        
try {
            String tmpDir 
= calculateActualServerPath(getActualServerPath(),
                    type, virtualFolderPath);
            makeDirIfNotExists(tmpDir);
            String tmpFile 
= tmpDir + filename;
            
if (makeFileIfNotExists(tmpFile)) {
                
// already exists
                int a = 0;
                String ext 
= String.valueOf(a);
                tmpFile 
= calculateActualServerPath(getActualServerPath(),
                        type, virtualFolderPath)
                        
+ filename + ext;
                
while (makeFileIfNotExists(tmpFile)) {
                    a 
= a + 1;
                    ext 
= String.valueOf(a);
                    
if (a > 100) {
                        
return FileUploadResult.invalidFile();
                    }
                }
                copyFile(newFile, 
new java.io.File(tmpFile));
                
return FileUploadResult
                        .uploadCompleteWithFilenamChanged(filename 
+ ext);
            } 
else {
                copyFile(newFile, 
new java.io.File(tmpFile));
                
return FileUploadResult.uploadComplete();
            }
        } 
catch (Exception e) {
            _log.error(e.toString(), e);
            e.printStackTrace();
            
return FileUploadResult.invalidFile();
        }
    }

    
protected void unknownCommand(String command, String virtualFolderPath,
            String type, String filename, String contentType,
            java.io.File newFile) {
        
throw new RuntimeException("unknown command " + command);
    }

    
/**
     * 
     * 
@param path
     * 
@return true if file already exists, false otherwise.
     
*/
    
protected boolean makeDirIfNotExists(String path) {
        java.io.File dir 
= new java.io.File(path);
        
if (!dir.exists()) {
            _log.debug(
"make directory " + dir);
            
boolean ok = dir.mkdirs();
            
if (!ok) {
                
throw new RuntimeException("cannot make directory " + dir);
            }
            
return false;
        }
        
return true;
    }

    
protected boolean makeFileIfNotExists(String filePath) throws IOException {
        java.io.File f 
= new java.io.File(filePath);
        
if (!f.exists()) {
            _log.debug(
"creating file " + filePath);
            
boolean ok = f.createNewFile();
            
if (!ok) {
                
throw new RuntimeException("cannot create file " + filePath);
            }
            
return false;
        }
        
return true;
    }

}
4.xwork.xml加上
<package name="richtexteditor-browse" extends="webwork-default"
        namespace
="/webwork/richtexteditor/editor/filemanager/browser/default/connectors/jsp">
        
<action name="connector"
            class
="test.RichtexteditorConnector"
            method
="browse">
            
<param name="actualServerPath">
                /webwork/richtexteditor/data
            
</param>
            
<result name="getFolders" type="richtexteditorGetFolders" />
            
<result name="getFoldersAndFiles"
                type
="richtexteditorGetFoldersAndFiles" />
            
<result name="createFolder"
                type
="richtexteditorCreateFolder" />
            
<result name="fileUpload" type="richtexteditorFileUpload" />
        
</action>
</package>
<package name="richtexteditor-upload" extends="webwork-default"
        namespace
="/webwork/richtexteditor/editor/filemanager/upload">
        
<action name="uploader"
            class
="test.RichtexteditorConnector"
            method
="upload">
            
<param name="actualServerPath">
                /webwork/richtexteditor/data
            
</param>
            
<result name="richtexteditorFileUpload" />
        
</action>
</package>
5.配置标签
<ww:form action="test" method="post">
    <%request.setAttribute("contextPath",request.getContextPath());%>
    <ww:richtexteditor basePath="%{#request.contextPath}/webwork/richtexteditor/"         toolbarCanCollapse="false" width="700" label="description" name="content" defaultLanguage="zh-cn" />
    <ww:submit value="submit" />
</ww:form>
6.服务器端口设置为80

原因
1.
webwork.serve.static=false
/webwork/*这样的URL是可以直接访问不需要通过webwork,这样做是为了自己可以在里面建文件,并且可以方便的访问这些文件
webwork.multipart.parser=cos
设置为jakarta上传文件不成功,com.opensymphony.webwork.interceptor.FileUploadInterceptor解析MultiPartRequestWrapper不成功,原因不清楚,反正用cos就可以了,记得加上cos.jar
2.因为设置了webwork.serve.static=false需要这样做
3.覆盖webwork的DefaultRichtexteditorConnector,最关键的是覆盖calculateActualServerPath()方法,默认是把文件放到/WEB-INF/classes/com/opensymphony/webwork/static/richtexteditor/data/,我们需要放到/webwork/richtexteditor/data/里面,覆盖其他方法是因为默认对文件的访问都是通过
new File(new URI("file://"+filePath);来访问的,会有些问题,直接new File(filePath)就可以了
4.使用自己的RichtexteditorConnector,并且设置参数actualServerPath,其他参数不要改,webwork默认的是这样
5.basePath必须自己指定不能用默认的,虽然指定的值和默认的是一样,但是不自己指定的话它自动加上jsessionid,如/webwork/richtexteditor/;jsessionid=301gs94034pki/editor/fckeditor.html,因为设置了webwork.serve.static=false,所以服务器不能解析这个url
defaultLanguage="zh-cn",不指定的话中文默认是繁体
6.服务器端口必须为80不能为8080,因为fckeditor链接你上传的文件的时候,不会把端口加上去