解决办法：替换upload_json.jsp文件代码<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncodi
解决办法：替换upload_json.jsp文件代码
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ page import="java.util.*,java.io.*" %> <%@ page import="java.text.SimpleDateFormat" %> <%@ page import="org.apache.commons.fileupload.*" %> <%@ page import="org.apache.commons.fileupload.disk.*" %> <%@ page import="org.apache.commons.fileupload.servlet.*" %> <%@ page import="org.json.simple.*" %> <%@ page import="org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper" %> <% //文件保存目录路径 //存放在/kindeditor/attached下 //String savePath = request.getSession().getServletContext().getRealPath("/") + "attached/"; String savePath = "/cheyooh/html/upload/attached/";//文件保存目录URL /kindeditor/attached/ String saveUrl = "/upload/attached/";//定义允许上传的文件扩展名 //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"); //允许最大上传文件大小 struts.xml struts.multipart.maxSize=3G long maxSize = 3000000000l; response.setContentType("text/html; charset=UTF-8"); if(!ServletFileUpload.isMultipartContent(request)){ out.println(getError("请选择文件。")); return; } //检查目录 File uploadDir = new File(savePath);if(!uploadDir.isDirectory()){ out.println(getError("上传目录不存在。")); return; } //检查目录写权限 if(!uploadDir.canWrite()){ out.println(getError("上传目录没有写权限。")); return; } String dirName = request.getParameter("dir");//image if (dirName == null) { dirName = "image"; } if(!extMap.containsKey(dirName)){ out.println(getError("目录名不正确。")); return; } //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 (!dirFile.isDirectory()) { out.println(getError("上传目录不存在 。")); return; } //检查目录写入权限 if (!dirFile.canWrite()) { out.println(getError("上传目录没有写入权限。")); return; } MultiPartRequestWrapper wrapper = (MultiPartRequestWrapper) request; //获得上传的文件名 String fileName = wrapper.getFileNames("imgFile")[0];//imgFile,imgFile,imgFile //获得文件过滤器 File file = wrapper.getFiles("imgFile")[0]; //检查扩展名 String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase(); if(!Arrays.<String>asList(extMap.get(dirName).split(",")).contains(fileExt)){ out.println(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。")); return; } //检查文件大小 if (file.length() > maxSize) { out.println(getError("上传文件大小超过限制。")); return; } //重构上传图片的名称 SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss"); String newImgName = df.format(new Date()) + "_" + new Random().nextInt(1000) + "." + fileExt; byte[] buffer = new byte[1024]; //获取文件输出流 FileOutputStream fos = new FileOutputStream(savePath +"/" + newImgName); //获取内存中当前文件输入流 InputStream in = new FileInputStream(file); try { int num = 0; while ((num = in.read(buffer)) > 0) { fos.write(buffer, 0, num); } } catch (Exception e) { e.printStackTrace(System.err); } finally { in.close(); fos.close();}//发送给 KEJSONObject obj = new JSONObject();obj.put("error", 0);obj.put("url", saveUrl +"/" + newImgName);///zswz/attached/image/20111129/ image 20111129195421_593.jpg out.println(obj.toJSONString()); %> <%!private String getError(String message) { JSONObject obj = new JSONObject(); obj.put("error", 1); obj.put("message", message); return obj.toJSONString();}%> 