kinderEditor + Struts2整合

环境：

kinderEditor4.1.5

Struts2.3.5

Spring3.0.5

Hibernate3.6

代码：

FileManageAction

package com.hcsoft.plugin.editor;  

import java.io.File;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Hashtable;
import java.util.List;  

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;  

import org.json.simple.JSONObject;  

import com.hcsoft.action.BaseAction;  

@SuppressWarnings({"serial", "unchecked", "rawtypes" })
public class FileManageAction extends BaseAction {  

    public String execute() throws Exception {
        // 请求
        HttpServletRequest request = contextPvd.getRequest();  

        // 根目录路径，可以指定绝对路径，比如 /var/www/attached/
        String rootPath = contextPvd.getAppRealPath("/") + "editor/attached/";
        // 根目录URL，可以指定绝对路径，比如 http://www.yoursite.com/attached/
        String rootUrl = request.getContextPath() + "/editor/attached/";
        // 图片扩展名
        String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png", "bmp" };  

        String dirName = request.getParameter("dir");
        if (dirName != null) {
            if (!Arrays.<String> asList(
                    new String[] { "image", "flash", "media", "file" })
                    .contains(dirName)) {
                log.error("Invalid Directory name.");
            }
            rootPath += dirName + "/";
            rootUrl += dirName + "/";
            File saveDirFile = new File(rootPath);
            if (!saveDirFile.exists()) {
                saveDirFile.mkdirs();
            }
        }
        // 根据path参数，设置各路径和URL
        String currentPath = rootPath + path;
        String currentUrl = rootUrl + path;
        String currentDirPath = path;
        String moveupDirPath = "";
        if (!"".equals(path)) {
            String str = currentDirPath.substring(0,
                    currentDirPath.length() - 1);
            moveupDirPath = str.lastIndexOf("/") >= 0 ? str.substring(0,
                    str.lastIndexOf("/") + 1) : "";
        }  

        // 排序形式，name or size or type
        String order = request.getParameter("order") != null ? request
                .getParameter("order").toLowerCase() : "name";  

        // 不允许使用..移动到上一级目录
        if (path.indexOf("..") >= 0) {
            log.error("Access is not allowed.");
        }
        // 最后一个字符不是/
        if (!"".equals(path) && !path.endsWith("/")) {
            log.error("Parameter is not valid.");
        }
        // 目录不存在或不是目录
        File currentPathFile = new File(currentPath);
        if (!currentPathFile.isDirectory()) {
            log.error("Directory does not exist.");
        }  

        // 遍历目录取的文件信息
        List<Hashtable> fileList = new ArrayList<Hashtable>();
        if (currentPathFile.listFiles() != null) {
            for (File file : currentPathFile.listFiles()) {
                Hashtable<String, Object> hash = new Hashtable<String, Object>();
                String fileName = file.getName();
                if (file.isDirectory()) {
                    hash.put("is_dir", true);
                    hash.put("has_file", (file.listFiles() != null));
                    hash.put("filesize", 0L);
                    hash.put("is_photo", false);
                    hash.put("filetype", "");
                } else if (file.isFile()) {
                    String fileExt = fileName.substring(
                            fileName.lastIndexOf(".") + 1).toLowerCase();
                    hash.put("is_dir", false);
                    hash.put("has_file", false);
                    hash.put("filesize", file.length());
                    hash.put("is_photo", Arrays.<String> asList(fileTypes)
                            .contains(fileExt));
                    hash.put("filetype", fileExt);
                }
                hash.put("filename", fileName);
                hash.put("datetime",
                        new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(file
                                .lastModified()));
                fileList.add(hash);
            }
        }  

        if ("size".equals(order)) {
            Collections.sort(fileList, new SizeComparator());
        } else if ("type".equals(order)) {
            Collections.sort(fileList, new TypeComparator());
        } else {
            Collections.sort(fileList, new NameComparator());
        }  

        //响应
        HttpServletResponse response = contextPvd.getResponse();
        response.setContentType("application/json; charset=UTF-8");
        PrintWriter out = response.getWriter();  

        JSONObject obj = new JSONObject();
        obj.put("moveup_dir_path", moveupDirPath);
        obj.put("current_dir_path", currentDirPath);
        obj.put("current_url", currentUrl);
        obj.put("total_count", fileList.size());
        obj.put("file_list", fileList);
        out.println(obj.toJSONString());
        return null;
    }  

    public class NameComparator implements Comparator {
        public int compare(Object a, Object b) {
            Hashtable hashA = (Hashtable) a;
            Hashtable hashB = (Hashtable) b;
            if (((Boolean) hashA.get("is_dir"))
                    && !((Boolean) hashB.get("is_dir"))) {
                return -1;
            } else if (!((Boolean) hashA.get("is_dir"))
                    && ((Boolean) hashB.get("is_dir"))) {
                return 1;
            } else {
                return ((String) hashA.get("filename"))
                        .compareTo((String) hashB.get("filename"));
            }
        }
    }  

    public class SizeComparator implements Comparator {
        public int compare(Object a, Object b) {
            Hashtable hashA = (Hashtable) a;
            Hashtable hashB = (Hashtable) b;
            if (((Boolean) hashA.get("is_dir"))
                    && !((Boolean) hashB.get("is_dir"))) {
                return -1;
            } else if (!((Boolean) hashA.get("is_dir"))
                    && ((Boolean) hashB.get("is_dir"))) {
                return 1;
            } else {
                if (((Long) hashA.get("filesize")) > ((Long) hashB
                        .get("filesize"))) {
                    return 1;
                } else if (((Long) hashA.get("filesize")) < ((Long) hashB
                        .get("filesize"))) {
                    return -1;
                } else {
                    return 0;
                }
            }
        }
    }  

    public class TypeComparator implements Comparator {
        public int compare(Object a, Object b) {
            Hashtable hashA = (Hashtable) a;
            Hashtable hashB = (Hashtable) b;
            if (((Boolean) hashA.get("is_dir"))
                    && !((Boolean) hashB.get("is_dir"))) {
                return -1;
            } else if (!((Boolean) hashA.get("is_dir"))
                    && ((Boolean) hashB.get("is_dir"))) {
                return 1;
            } else {
                return ((String) hashA.get("filetype"))
                        .compareTo((String) hashB.get("filetype"));
            }
        }
    }  

    public String path;  

    public String getPath() {
        return path;
    }  

    public void setPath(String path) {
        this.path = path;
    }
}  

FileUploadAction

package com.hcsoft.plugin.editor;  

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.Random;  

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;  

import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.json.simple.JSONObject;  

import com.hcsoft.action.BaseAction;  

@SuppressWarnings("serial")
public class FileUploadAction extends BaseAction{  

    public String execute() throws Exception {
        //响应
        HttpServletResponse response = contextPvd.getResponse();
        response.setContentType("text/html; charset=UTF-8");
        PrintWriter out = response.getWriter();  

        //请求
        HttpServletRequest request = contextPvd.getRequest();  

        //文件保存目录路径
        String savePath = contextPvd.getAppRealPath("/") + "editor/attached/";  

        //文件保存目录URL
        String saveUrl  = request.getContextPath() + "/editor/attached/";  

        //定义允许上传的文件扩展名
        HashMap<String, String> extMap = new HashMap<String, String>();
        extMap.put("image", "gif,jpg,jpeg,png,bmp");
        extMap.put("flash", "swf,flv");
        extMap.put("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");
        extMap.put("file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2");  

        //最大文件大小
        long maxSize = 1000000;  

        if(!ServletFileUpload.isMultipartContent(request)){
            return error(out,"请选择文件。");
        }
        //检查目录
        File uploadDir = new File(savePath);
        if(!uploadDir.isDirectory()){
            return error(out,"上传目录不存在。");
        }
        //检查目录写权限
        if(!uploadDir.canWrite()){
            return error(out,"上传目录没有写权限。");
        }  

        String dirName = dir;
        if (dirName == null) {
            dirName = "image";
        }
        if(!extMap.containsKey(dirName)){
            return error(out,"目录名不正确。");
        }
        //创建文件夹
        savePath += dirName + "/";
        saveUrl += dirName + "/";
        File saveDirFile = new File(savePath);
        if (!saveDirFile.exists()) {
            saveDirFile.mkdirs();
        }
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        String ymd = sdf.format(new Date());
        savePath += ymd + "/";
        saveUrl += ymd + "/";
        File dirFile = new File(savePath);
        if (!dirFile.exists()) {
            dirFile.mkdirs();
        }  

        if(imgFile != null && !imgFile.toString().equals("")){
            long fileSize = imgFile.length();
            if(fileSize > maxSize){
                return error(out,"上传文件大小超过限制。");
            }
            //检查扩展名
            String fileExt = imgFileFileName.substring(imgFileFileName.lastIndexOf(".") + 1).toLowerCase();
            if(!Arrays.<String>asList(extMap.get(dirName).split(",")).contains(fileExt)){
                return error(out,"上传文件扩展名是不允许的扩展名。\n只允许" + extMap.get(dirName) + "格式。");
            }  

            SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
            String newFileName = df.format(new Date()) + "_" + new Random().nextInt(1000) + "." + fileExt;  

            File uploadedFile = new File(savePath, newFileName);
            //获取文件输出流
            FileOutputStream fos = new FileOutputStream(uploadedFile);
            //获取内存中当前文件输入流
            InputStream in = new FileInputStream(imgFile);
            byte[] buffer = new byte[1024];
            try {
                int num = 0;
                while ((num = in.read(buffer)) > 0) {
                    fos.write(buffer, 0, num);
                }
            } catch (Exception e) {
                log.error("kindEditor上传文件出错了！");
                return error(out,"上传的文件不存在!");
            } finally {
                in.close();
                fos.close();
            }
            return success(out,saveUrl + newFileName);
        }else{
            return error(out,"上传的文件不存在!");
        }
    }  

    @SuppressWarnings("unchecked")
    private String error(PrintWriter out,String message){
        JSONObject obj = new JSONObject();
        obj.put("error", 1);
        obj.put("message", message);
        out.println(obj.toJSONString());
        return null;
    }  

    @SuppressWarnings("unchecked")
    private String success(PrintWriter out,String url){
        JSONObject obj = new JSONObject();
        obj.put("error", 0);
        obj.put("url", url);
        out.println(obj.toJSONString());
        return null;
    }  

    /**
     * 上传的文件类型
     */
    public String dir;  

    public File imgFile;
    private String imgFileFileName;  

    public String getDir() {
        return dir;
    }  

    public void setDir(String dir) {
        this.dir = dir;
    }  

    public File getImgFile() {
        return imgFile;
    }  

    public void setImgFile(File imgFile) {
        this.imgFile = imgFile;
    }  

    public String getImgFileFileName() {
        return imgFileFileName;
    }  

    public void setImgFileFileName(String imgFileFileName) {
        this.imgFileFileName = imgFileFileName;
    }
}  

xml配置

<!-- 文件管理 -->
<action name="fileManage" class="fileManageAction"/>
<!-- 文件上传 -->
<action name="fileUpload" class="fileUploadAction" /> 

JSP文件调用：

KindEditor.ready(function(K) {
    editor = K.create('#kindeditor', {
        uploadJson : '/manage/fileUpload.do',
        fileManagerJson : '/manage/fileManage.do',
        allowFileManager : true
    });  

<s:textarea id="kindeditor"  theme="simple"  name="entity.description" cssStyle="width:700px;height:300px"/>  

本文转自：http://blog.csdn.net/mylovedeye/article/details/9986325