kindeditor和struts2结合后富文本中上传图片不成功的问题

<%@ 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    //D:\Tomcat6.0\webapps\zswz\attached/String savePath = request.getSession().getServletContext().getRealPath("/") + "attached/";//文件保存目录URL /zswz/attached/String saveUrl = request.getContextPath() + "/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=3Glong 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");//imageif (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 + "/";//D:\Tomcat6.0\webapps\zswz\attached/image/saveUrl += dirName + "/";///zswz/attached/image/File saveDirFile = new File(savePath);if (!saveDirFile.exists()) {    saveDirFile.mkdirs();}SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");String ymd = sdf.format(new Date());savePath += ymd + "/";//D:\Tomcat6.0\webapps\zswz\attached/image/20111129/saveUrl += ymd + "/";///zswz/attached/image/20111129/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;} //Struts2 请求 包装过滤器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 KE JSONObject obj = new JSONObject();obj.put("error", 0);obj.put("url", saveUrl +"/" + newImgName);///zswz/attached/image/20111129/  image 20111129195421_593.jpgout.println(obj.toJSONString());%><%!private String getError(String message) {    JSONObject obj = new JSONObject();    obj.put("error", 1);    obj.put("message", message);    return obj.toJSONString();}%>

将以上代码替换掉upload_json.jsp中的代码。

原地址：http://www.cnblogs.com/syxchina/archive/2011/11/29/2268192.html