主题: kindeditor4.0.3+struts2解决本地图片上传问题 |
作者: 孤狼响介, 发布日期: 2012-03-28 19:41:38, 浏览数: 4522 |
先上代码:
<%@ 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="com.opensymphony.xwork2.ActionContext"%> <%@ page import="org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper"%> <%@ page import="org.json.simple.*"%> <% //文件保存目录路径 img_upload是服务器存储上传图片的目录名 String savePath = request.getSession().getServletContext().getRealPath("/") + "attached/"; //文件保存目录URL String saveUrl = request.getContextPath() + "/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"); //允许最大上传文件大小 long maxSize = 2048000; //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]; //获得文件过滤器 File file = wrapper.getFiles("imgFile")[0]; //得到上传文件的扩展名 String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase(); //获得文件上传的类型 String dirName = request.getParameter("dir"); 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(); } //检查扩展名 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,上传的文件不能超过2M。")); return; } //检查目录 SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); String dir = sdf.format(new Date()); File uploadDir = new File(savePath + dir); uploadDir.mkdirs(); if (!uploadDir.isDirectory()) { out.println(getError("上传目录不存在 。")); return; } //检查目录写入权限 if (!uploadDir.canWrite()) { out.println(getError("上传目录没有写入权限。")); 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; //设置 KE 中的图片文件地址 String newFileName = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + saveUrl + dir + "/" + newImgName; byte[] buffer = new byte[1024]; //获取文件输出流 FileOutputStream fos = new FileOutputStream(savePath + dir + "/" + 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 + dir + "/" + newImgName); out.println(obj.toJSONString()); %> <%!private String getError(String message) { JSONObject obj = new JSONObject(); obj.put("error", 1); obj.put("message", message); return obj.toJSONString(); } %> 代码的含义我就不作解释了,详情请大家参考这篇博文:
http://www.kindsoft.net/view.php?bbsid=7&postid=2561&pagenum=2 |
作者: youlingken, 发布日期: 2012-12-24 20:55:12 |
请问下,为什么到xp下使用正常,而换到windows server 2003 下面则报了错呢。谢谢。
报错如下:
http://www.kindsoft.net/view.php?bbsid=4&postid=6526&pagenum=1 |
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