本JSP程序是演示程序,建议不要直接在实际项目中使用。
如果您确定直接使用本程序,使用之前请仔细确认相关安全设置。
使用方法:
1. 解压zip文件,将所有文件复制到Tomcat的webapps/kindeditor目录下。
2. 将kindeditor/jsp/lib目录下的3个jar文件复制到Tomcat的lib目录下,并重新启动Tomcat。
* commons-fileupload-1.2.1.jar
* commons-io-1.4.jar
* json_simple-1.1.jar
3.将plugin/image/image.js文件中的uploadJson = K.undef(self.uploadJson, self.basePath + 'php/upload_json.php改为uploadJson = K.undef(self.uploadJson, self.basePath + 'jsp/upload_json.jsp
4. 打开浏览器,输入http://localhost:[P0RT]/kindeditor/jsp/demo.jsp。
这里的绝对路径是指项目以外的某个固定路径,如:d:/attached、e:/xxx/yyy。
使用过KindEditor就会知道,它默认的文件(图片、音视频、flash、file)是上传至项目的跟目录下面, 创建这样一个目录
- String savePath = pageContext.getServletContext().getRealPath("/") + "attached/";
在这个目录下,再根据文件类型创建不同的子文件夹保存不同类型的文件, 在文件上传以后返回一个对应路径的url供页面显示:默认情况下,如果项目名为:demo,上传一个xxx.txt后,返回前端的url为
demo/attached/20140623/file/xxx.txt; 日期也是个子文件夹,它还会改掉文件名,这个就不细说。
这样一个url在页面的KindEditor编辑框里显示为<a href='demo/attached/2014-06-23/file/xxx.txt'>demo/attached/2014-06-23/file/xxx.txt</a>; 当点击这个连接时,可以直接从项目下面找到这个文件,并显示在浏览器中, 所以支持的文件上传类型也都是可以在浏览器中显示的类型。
这样的实现很明显是不能满足需求的,因为项目重新部属后文件系统就没有了,保存到后台的新闻内容里面的图片,文件链接都会失效! 如果能将文件保存至固定硬盘目录下面则可以解决这个问题!
实现:
首先将默认的upload_json.jsp、file_manager_json.jsp里面的内容移到Controller里面:
-
-
-
-
-
-
- @RequestMapping(value = "/fileUpload", method = RequestMethod.POST)
- @ResponseBody
- public Map<String, Object> fileUpload(HttpServletRequest request, HttpServletResponse response) {
-
- String savePath = "d:/attached/";
-
- String saveUrl = request.getContextPath() + savePath.substring(2);
-
- if(!ServletFileUpload.isMultipartContent(request)){
- return getError("请选择文件。");
- }
-
-
-
-
-
-
-
-
-
-
- String dirName = request.getParameter("dir");
- if (dirName == null) {
- dirName = "image";
- }
-
-
- Map<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,xml,txt,zip,rar,gz,bz2");
-
- if(!extMap.containsKey(dirName)){
- return getError("目录名不正确。");
- }
-
- 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();
- }
-
-
- long maxSize = 1000000;
-
- FileItemFactory factory = new DiskFileItemFactory();
- ServletFileUpload upload = new ServletFileUpload(factory);
- upload.setHeaderEncoding("UTF-8");
- List<?> items = null;
- try {
- items = upload.parseRequest(request);
- } catch (FileUploadException fe) {
- return getError("接收文件异常。");
- }
- Iterator<?> itr = items.iterator();
- while (itr.hasNext()) {
- FileItem item = (FileItem) itr.next();
- String fileName = item.getName();
- if (!item.isFormField()) {
-
- if(item.getSize() > maxSize){
- return getError("上传文件大小超过限制。");
- }
-
- String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
- if(!Arrays.<String>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);
- item.write(uploadedFile);
- }catch(Exception e){
- return getError("上传文件失败。");
- }
-
- Map<String, Object> succMap = new HashMap<String, Object>();
- succMap.put("error", 0);
- succMap.put("url", saveUrl + newFileName);
- return succMap;
- }
- }
-
- return null;
- }
-
- private Map<String, Object> getError(String errorMsg) {
- Map<String, Object> errorMap = new HashMap<String, Object>();
- errorMap.put("error", 1);
- errorMap.put("message", errorMsg);
- return errorMap;
- }
-
-
-
-
-
-
-
- @RequestMapping(value = "/fileManager")
- @ResponseBody
- public Object fileManager(HttpServletRequest request, HttpServletResponse response) {
-
- String rootPath = "d:/attached/";
-
- String rootUrl = request.getContextPath() + rootPath.substring(2);
-
- 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)){
- return "Invalid Directory name.";
- }
- rootPath += dirName + "/";
- rootUrl += dirName + "/";
- File saveDirFile = new File(rootPath);
- if (!saveDirFile.exists()) {
- saveDirFile.mkdirs();
- }
- }
-
- 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) : "";
- }
-
-
- String order = request.getParameter("order") != null ? request.getParameter("order").toLowerCase() : "name";
-
-
- if (path.indexOf("..") >= 0) {
- return "Access is not allowed.";
- }
-
- if (!"".equals(path) && !path.endsWith("/")) {
- return "Parameter is not valid.";
- }
-
- File currentPathFile = new File(currentPath);
- if(!currentPathFile.isDirectory()){
- return "Directory does not exist.";
- }
-
-
- List<Map<String, Object>> fileList = new ArrayList<Map<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> result = new HashMap<String, Object>();
- result.put("moveup_dir_path", moveupDirPath);
- result.put("current_dir_path", currentDirPath);
- result.put("current_url", currentUrl);
- result.put("total_count", fileList.size());
- result.put("file_list", fileList);
-
- return result;
- }
-
- private class NameComparator implements Comparator<Map<String, Object>> {
- public int compare(Map<String, Object> hashA, Map<String, Object> hashB) {
- 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"));
- }
- }
- }
-
- private class SizeComparator implements Comparator<Map<String, Object>> {
- public int compare(Map<String, Object> hashA, Map<String, Object> hashB) {
- 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;
- }
- }
- }
- }
-
- private class TypeComparator implements Comparator<Map<String, Object>> {
- public int compare(Map<String, Object> hashA, Map<String, Object> hashB) {
- 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"));
- }
- }
- }
上面的修改较默认的实现只是修改了savePath、saveUrl。
这样同样上传一个xxx.txt后, 文件会被保存到d:/attached/20140623/file/xxx.txt。 返回的url是:demo/attached/20140623/file/xxx.txt。这样到点击a标签将会404,很明显项目下面没有这个attached文件系统。
我们需要用一个Controller来接收所有attached后面的请求,在这个控制层里去d:/attached下面下载指定的文件。
- @Controller
- public class AttachedController {
-
- private static final Logger LOGGER = Logger.getLogger(AttachedController.class);
-
- @RequestMapping("/attached/{fileType}/{uploadDate}/{fileName}.{suffix}")
- public void attached(HttpServletRequest request, HttpServletResponse response,
- @PathVariable String fileType,
- @PathVariable String uploadDate,
- @PathVariable String suffix,
- @PathVariable String fileName) {
-
-
-
- InputStream is = null;
- OutputStream os = null;
- try {
- File file = new File("d:/attached/" + fileType + "/" + uploadDate + "/" + fileName + "." + suffix);
- is = new FileInputStream(file);
- byte[] buffer = new byte[is.available()];
- is.read(buffer);
-
- os = new BufferedOutputStream(response.getOutputStream());
- os.write(buffer);
- os.flush();
- } catch (Exception e) {
-
-
-
- LOGGER.error("读取文件失败", e);
- } finally {
- if (is != null) {
- try {
- is.close();
- } catch (IOException e) {
- LOGGER.error("读取文件失败", e);
- }
-
- if (os != null) {
- try {
- os.close();
- } catch (IOException e) {
- LOGGER.error("读取文件失败", e);
- }
- }
- }
- }
-
- }
- }
这里使用了SpringMVC的@PathVariable功能。
demo/attached/20140623/file/xxx.txt请求, attached方法里,在d盘下找到指定的文件并下载写如response中。
js中配置uploadJson、fileManagerJson(不同版本属性名可能不同我的是4.1.7)这两个属性为Controller拦截的url即可