一开始我不懂这个ConnectorServlet是何用处,后来发现是专门用于文件上传的,因为fckeditor默认是不支持这个功能的。
ConnectorServlet:
/* * FCKeditor - The text editor for Internet - http://www.fckeditor.net * Copyright (C) 2003-2008 Frederico Caldeira Knabben * * == BEGIN LICENSE == * * Licensed under the terms of any of the following licenses at your * choice: * * - GNU General Public License Version 2 or later (the "GPL") * http://www.gnu.org/licenses/gpl.html * * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") * http://www.gnu.org/licenses/lgpl.html * * - Mozilla Public License Version 1.1 or later (the "MPL") * http://www.mozilla.org/MPL/MPL-1.1.html * * == END LICENSE == */package com.sanqing.fckeditor;import java.io.File;import java.io.IOException;import java.io.PrintWriter;import java.util.List;import java.util.UUID;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import net.fckeditor.connector.Messages;import net.fckeditor.handlers.CommandHandler;import net.fckeditor.handlers.ConnectorHandler;import net.fckeditor.handlers.ExtensionsHandler;import net.fckeditor.handlers.RequestCycleHandler;import net.fckeditor.handlers.ResourceTypeHandler;import net.fckeditor.response.UploadResponse;import net.fckeditor.response.XmlResponse;import net.fckeditor.tool.Utils;import net.fckeditor.tool.UtilsFile;import net.fckeditor.tool.UtilsResponse;import org.apache.commons.fileupload.FileItem;import org.apache.commons.fileupload.FileItemFactory;import org.apache.commons.fileupload.disk.DiskFileItemFactory;import org.apache.commons.fileupload.servlet.ServletFileUpload;import org.apache.commons.io.FilenameUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/** * Servlet to upload and browse files. * * This servlet accepts 4 commands which interact with the server-side * filesystem. * The allowed commands are: *
- *
GetFolders
: Retrieves a list of folders in the current * folder * GetFoldersAndFiles
: Retrives a list of files and folders * in the current folder * CreateFolder
: Creates a new folder in the current folder * FileUpload
: Stores an uploaded file into the current * folder. (must be sent with POST) *
mkdir
<DefaultUserFilesPath> */ public void init() throws ServletException, IllegalArgumentException { String realDefaultUserFilesPath = getServletContext().getRealPath( ConnectorHandler.getDefaultUserFilesPath()); File defaultUserFilesDir = new File(realDefaultUserFilesPath); UtilsFile.checkDirAndCreate(defaultUserFilesDir); logger.info("ConnectorServlet successfully initialized!"); } /** * Manage the GET
requests (GetFolders
, * GetFoldersAndFiles
, CreateFolder
). * * The servlet accepts commands sent in the following format: * connector?Command=<CommandName>&Type=<ResourceType>&CurrentFolder=<FolderPath>
* * It executes the commands and then returns the result to the client in XML * format. *
*/ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { logger.debug("Entering ConnectorServlet#doGet"); response.setCharacterEncoding("UTF-8"); response.setContentType("application/xml; charset=UTF-8"); response.setHeader("Cache-Control", "no-cache"); PrintWriter out = response.getWriter(); String commandStr = request.getParameter("Command"); String typeStr = request.getParameter("Type"); String currentFolderStr = request.getParameter("CurrentFolder"); logger.debug("Parameter Command: {}", commandStr); logger.debug("Parameter Type: {}", typeStr); logger.debug("Parameter CurrentFolder: {}", currentFolderStr); XmlResponse xr; if (!RequestCycleHandler.isEnabledForFileBrowsing(request)) xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.NOT_AUTHORIZED_FOR_BROWSING); else if (!CommandHandler.isValidForGet(commandStr)) xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_COMMAND); else if (typeStr != null && !ResourceTypeHandler.isValid(typeStr)) xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_TYPE); else if (!UtilsFile.isValidPath(currentFolderStr)) xr = new XmlResponse(XmlResponse.EN_ERROR, Messages.INVALID_CURRENT_FOLDER); else { CommandHandler command = CommandHandler.getCommand(commandStr); ResourceTypeHandler resourceType = ResourceTypeHandler.getDefaultResourceType(typeStr); String typePath = UtilsFile.constructServerSidePath(request, resourceType); String typeDirPath = getServletContext().getRealPath(typePath); File typeDir = new File(typeDirPath); UtilsFile.checkDirAndCreate(typeDir); File currentDir = new File(typeDir, currentFolderStr); if (!currentDir.exists()) xr = new XmlResponse(XmlResponse.EN_INVALID_FOLDER_NAME); else { xr = new XmlResponse(command, resourceType, currentFolderStr, UtilsResponse .constructResponseUrl(request, resourceType, currentFolderStr, true, ConnectorHandler.isFullUrl())); if (command.equals(CommandHandler.GET_FOLDERS)) xr.setFolders(currentDir); else if (command.equals(CommandHandler.GET_FOLDERS_AND_FILES)) xr.setFoldersAndFiles(currentDir); else if (command.equals(CommandHandler.CREATE_FOLDER)) { String newFolderStr = UtilsFile.sanitizeFolderName( new String(request.getParameter("NewFolderName").getBytes("ISO8859-1"),"UTF-8") ); logger.debug("Parameter NewFolderName: {}", newFolderStr); File newFolder = new File(currentDir, newFolderStr); int errorNumber = XmlResponse.EN_UKNOWN; if (newFolder.exists()) errorNumber = XmlResponse.EN_ALREADY_EXISTS; else { try { errorNumber = (newFolder.mkdir()) ? XmlResponse.EN_OK : XmlResponse.EN_INVALID_FOLDER_NAME; } catch (SecurityException e) { errorNumber = XmlResponse.EN_SECURITY_ERROR; } } xr.setError(errorNumber); } } } out.print(xr); out.flush(); out.close(); logger.debug("Exiting ConnectorServlet#doGet"); } /** * Manage thePOST
requests (FileUpload
). * * The servlet accepts commands sent in the following format: * connector?Command=<FileUpload>&Type=<ResourceType>&CurrentFolder=<FolderPath>
* with the file in the POST
body. * * It stores an uploaded file (renames a file if another exists with the * same name) and then returns the JavaScript callback. */ @SuppressWarnings("unchecked") public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { logger.debug("Entering Connector#doPost"); response.setCharacterEncoding("UTF-8"); response.setContentType("text/html; charset=UTF-8"); response.setHeader("Cache-Control", "no-cache"); PrintWriter out = response.getWriter(); String commandStr = request.getParameter("Command"); String typeStr = request.getParameter("Type"); String currentFolderStr = request.getParameter("CurrentFolder"); logger.debug("Parameter Command: {}", commandStr); logger.debug("Parameter Type: {}", typeStr); logger.debug("Parameter CurrentFolder: {}", currentFolderStr); UploadResponse ur; // if this is a QuickUpload request, 'commandStr' and 'currentFolderStr' // are empty if (Utils.isEmpty(commandStr) && Utils.isEmpty(currentFolderStr)) { commandStr = "QuickUpload"; currentFolderStr = "/"; } if (!RequestCycleHandler.isEnabledForFileUpload(request)) ur = new UploadResponse(UploadResponse.SC_SECURITY_ERROR, null, null, Messages.NOT_AUTHORIZED_FOR_UPLOAD); else if (!CommandHandler.isValidForPost(commandStr)) ur = new UploadResponse(UploadResponse.SC_ERROR, null, null, Messages.INVALID_COMMAND); else if (typeStr != null && !ResourceTypeHandler.isValid(typeStr)) ur = new UploadResponse(UploadResponse.SC_ERROR, null, null, Messages.INVALID_TYPE); else if (!UtilsFile.isValidPath(currentFolderStr)) ur = UploadResponse.UR_INVALID_CURRENT_FOLDER; else { ResourceTypeHandler resourceType = ResourceTypeHandler.getDefaultResourceType(typeStr); String typePath = UtilsFile.constructServerSidePath(request, resourceType); String typeDirPath = getServletContext().getRealPath(typePath); File typeDir = new File(typeDirPath); UtilsFile.checkDirAndCreate(typeDir); File currentDir = new File(typeDir, currentFolderStr); if (!currentDir.exists()) ur = UploadResponse.UR_INVALID_CURRENT_FOLDER; else { String newFilename = null; FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); //设置编码格式 upload.setHeaderEncoding("UTF-8"); try { List fckeditor.properties:
connector.userActionImpl=net.fckeditor.requestcycle.impl.UserActionImpl
connector.userPathBuilderImpl=com.fckeditor.fckeditor.MyUserPath
web.xml下当然要加入servlet的配置:
<servlet>
<servlet-name>Connector</servlet-name> <servlet-class> com.sanqing.fckeditor.ConnectorServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Connector</servlet-name> <url-pattern> /user/fckeditor/editor/filemanager/connectors/* </url-pattern> </servlet-mapping>
fckeditor主要是用作前端的插件,以下是fckeditor的主体:
参考文章:http://huaxia524151.iteye.com/blog/846520
最前面的引入:<%@ taglib uri="http://java.fckeditor.net" prefix="FCK"%>
页面中的使用:
<div>
<label>内容:</label> <FCK:editor instanceName="content" basePath="/user/fckeditor" toolbarSet="myToolbar" height="400"></FCK:editor> </div>
<%@ page language="java" contentType="text/html; charset=gb2312" pageEncoding="gb2312"%><%@ taglib uri="http://java.fckeditor.net" prefix="FCK"%>添加文章 ${empty sessionScope.blogtitle ? "博客网站系统":sessionScope.blogtitle} ${empty sessionScope.idiograph ? "我的签名":sessionScope.idiograph}
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