1.jsp文件

<head>
    <link href="${path}/assets/js/kindeditor/themes/default/default.css"/>
    <script src="${path}/assets/js/kindeditor/kindeditor-all.js"></script>
    <script src="${path}/assets/js/kindeditor/lang/zh-CN.js"></script>
</head>



<label id="article_cnt_limit">内容</label>
<div class="clearfix">
    <textarea type="textarea" id="template_text" maxlength="500" class="form-control" 
              style="height: 100px; resize: none"></textarea>
</div>

2.js文件

var editor;

//页面加载初始化富文本
$(document).ready(function() {
    editor = getKindEditor("template_text","article_cnt_limit")
});


// 获取富文本的内容,可以显示在页面上
params['content'] = editor.html()

//设置只读模式的时候,图片和表格不可操作
KindEditor.ready(function(K) {
    editor.readonly(true);

    var iframe = K.query("iframe");

    //查看时禁止鼠标右击
    var img = $(iframe).contents().find("img");
    img.bind("contextmenu",function(e){
        return false;   
    });

    //查看时禁止鼠标右击
    var table = $(iframe).contents().find("table");
    table.bind("contextmenu",function(e){
        return false;   
    });
});


function getKindEditor(textId,labelId,callbackFunc){
    //富文本编辑器
    KindEditor.ready(function(K) {
        editor = K.create('#'+textId, {
            filterMode : false,
            resizeType : 1,height:"630px",
            //上传的配置
            uploadJson : path + "/appletManage/kindEditor/fileUpload",
            fileManagerJson : path + "/appletManage/kindEditor/fileManager",
            
            allowFileManager : true,
            formatUploadUrl: false,
            //字数限制
            afterChange : function(){
                //限制字数
                var limitNum = 10000;  //设定限制字数
                var pattern = '还可以输入' + limitNum + '字';
                $('#'+labelId).html(pattern); //输入显示
                if (this.count('text') > limitNum) {
                    pattern = ('字数超过限制,请适当删除部分内容');
                    //超过字数限制自动截取
                    var strValue = editor.text();
                    strValue = strValue.substring(0, limitNum);
                    editor.text(strValue);
                } else {
                    //计算剩余字数
                    var result = limitNum - this.count('text');
                    pattern = '还可以输入' + result + '字';
                }
                $('#'+labelId).html(pattern); //输入显示
            }
        });
        
        if(callbackFunc){
            callbackFunc();
        }
    });
}

3.Java类

package com.ctbr.applet.controller.manage;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;

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

import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;

import com.ctbr.applet.util.AppletUtils;
import com.ctbr.baseFrame.core.BaseController;
import com.ctbr.baseFrame.util.Const;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.io.ByteStreams;

/**
 * 富文本图片上传
 */
@Controller
@RequestMapping(value = "/appletManage/kindEditor")
public class KindEditorController extends BaseController {

    private static final ObjectMapper objectMapper = new ObjectMapper();

    @RequestMapping(value = "/fileUpload", method = RequestMethod.POST)
    @ResponseBody
    public Map<String, Object> fileUpload(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException, FileUploadException {
        String savePath = Const.LOCAL_CONTENT_PATH + "kindEditor/";
        // 文件保存目录URL
        String saveUrl = AppletUtils.getPathContent() + "/kindEditor/";

        // 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,mp4,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");
        extMap.put("file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2");

        response.setContentType("text/html; charset=UTF-8");

        if (!ServletFileUpload.isMultipartContent(request)) {
            return getError("请选择文件。");
        }

        // 检查目录
        File uploadDir = new File(savePath);
        if (!uploadDir.isDirectory()) {
            //            return getError("上传目录不存在。");
            uploadDir.mkdirs();
        }

        // 检查目录写权限
        if (!uploadDir.canWrite()) {
            return getError("上传目录没有写权限。");
        }

        String dirName = request.getParameter("dir");
        if (dirName == null) {
            dirName = "image";
        }
        if (!extMap.containsKey(dirName)) {
            return getError("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();
        }

        FileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        upload.setHeaderEncoding("UTF-8");


        // 最大文件大小
        long imageMaxSize = 1048576;
        long flashMaxSize = 5*1048576;
        long mediaMaxSize = 20*1048576;
        long fileMaxSize = 5*1048576;

        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
        Iterator<String> item = multipartRequest.getFileNames();
        while (item.hasNext()) {

            String fileName = item.next();

            MultipartFile file = multipartRequest.getFile(fileName);

            // 检查文件大小
            if("image".equals(dirName)) {
                if (file.getSize() > imageMaxSize) {
                    return getError("上传文件大小超过限制,限制图片为1M。");
                }
            } else if("flash".equals(dirName)) {
                if (file.getSize() > flashMaxSize) {
                    return getError("上传文件大小超过限制,限制Flash为5M。");
                }
            } else if("media".equals(dirName)) {
                if (file.getSize() > mediaMaxSize) {
                    return getError("上传文件大小超过限制,限制视频为20M。");
                }
            } else if("file".equals(dirName)) {
                if (file.getSize() > fileMaxSize) {
                    return getError("上传文件大小超过限制,限制文件为5M。");
                }
            } else {
                if (file.getSize() > imageMaxSize) {
                    return getError("上传文件大小超过限制,限制为1M。");
                }
            }

            // 检查扩展名
            String fileExt = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf(".") + 1)
                .toLowerCase();
            if (!Arrays.asList(extMap.get(dirName).split(",")).contains(fileExt)) {
                return getError("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;
            try {
                File uploadedFile = new File(savePath, newFileName);
                ByteStreams.copy(file.getInputStream(), new FileOutputStream(uploadedFile));
            } catch (Exception e) {
                return getError("上传文件失败。");
            }
            Map<String, Object> msg = new HashMap<String, Object>();
            msg.put("error", 0);
            msg.put("url", saveUrl + newFileName);
            return msg;
        }
        return null;
    }

    private Map<String, Object> getError(String message) {
        Map<String, Object> msg = new HashMap<String, Object>();
        msg.put("error", 1);
        msg.put("message", message);
        return msg;
    }

    @SuppressWarnings("unchecked")
    @RequestMapping(value = "/fileManager", method = RequestMethod.GET)
    public void fileManager(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        ServletOutputStream out = response.getOutputStream();
        // 根目录路径,可以指定绝对路径,比如 /var/www/attached/
        String rootPath = Const.LOCAL_CONTENT_PATH + "kindEditor/";

        // 根目录URL,可以指定绝对路径,比如 http://www.yoursite.com/attached/
        String rootUrl = AppletUtils.getPathContent() + "/kindEditor/";

        // 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)) {
                out.println("Invalid Directory name.");
                return;
            }
            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 path = request.getParameter("path") != null ? request.getParameter("path") : "";
        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) {
            out.println("Access is not allowed.");
            return;
        }
        // 最后一个字符不是/
        if (!"".equals(path) && !path.endsWith("/")) {
            out.println("参数无效。");
            return;
        }
        // 目录不存在或不是目录
        File currentPathFile = new File(currentPath);
        if (!currentPathFile.isDirectory()) {
            out.println("目录不存在。");
            return;
        }

        // 遍历目录取的文件信息
        List<Hashtable<String, Object>> fileList = new ArrayList<Hashtable<String, Object>>();
        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());
        }
        Map<String, Object> msg = new HashMap<String, Object>();
        msg.put("moveup_dir_path", moveupDirPath);
        msg.put("current_dir_path", currentDirPath);
        msg.put("current_url", currentUrl);
        msg.put("total_count", fileList.size());
        msg.put("file_list", fileList);
        response.setContentType("application/json; charset=UTF-8");
        String msgStr = objectMapper.writeValueAsString(msg);
        out.println(msgStr);
    }

    @SuppressWarnings("rawtypes")
    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"));
            }
        }
    }

    @SuppressWarnings("rawtypes")
    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;
                }
            }
        }
    }

    @SuppressWarnings("rawtypes")
    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"));
            }
        }
    }
}

4.效果图

5.官方文档

链接地址