JSP版本的KindEidtor在线编辑器第二季：Servlet+Struts2集成版

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package com.elkan.kindeditor.upload; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.text.SimpleDateFormat; import java.util.Arrays; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Random; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.FileItem; 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 com.elkan.utils.ImageUtil; /** * 实现KindEditor图片上传的Servlet * * @author SENHUI * * @since 2011/03/21 20:20:23 */ public class UploadImage extends HttpServlet { private static final long serialVersionUID = 5121794650920770832L; // 上传图片的最大宽度 protected int MAX_WIDTH = -1; // 上传图片的最大高度 protected int MAX_HEIGHT = -1; // 上传图片的大小 protected long MAX_SIZE = 1000000; // 定义允许上传的图片的扩展名 protected String[] IMAGETYPES = new String[] { "gif", "jpg", "jpeg", "png", "bmp" }; // 定义上传图片保存目录路径 protected String UPLOAD_PATH = ""; // 上传图片设置信息 protected String id = ""; // 上传图片的TITLE属性值 protected String imgTitle = ""; protected int imgWidth = -1; protected int imgHeight = -1; protected String imgBorder = ""; protected String resizeImg = ""; protected boolean isFlag = false; protected String tempTitle = ""; @SuppressWarnings("deprecation") @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html; charset=UTF-8"); PrintWriter out = response.getWriter(); String savePath = this.getInitParameter("UPLOAD_PATH"); if (savePath == null || savePath.isEmpty()) { out.println(alertMsg("你还没设置上传图片保存的目录路径!")); return; } //判断是否设置了上传图片的大小 if(this.getInitParameter("MAX_SIZE") != null){ MAX_SIZE = Integer.parseInt(this.getInitParameter("MAX_SIZE")); } //判断是否设置了上传图片的类型 if(this.getInitParameter("IMAGETYPES") != null){ IMAGETYPES = toArray(this.getInitParameter("IMAGETYPES")); } // 图片保存目录路径 String uploadPath = new StringBuffer(request.getSession().getServletContext().getRealPath("/")).append(savePath).toString(); // 图片保存目录URL String saveUrl = new StringBuffer(request.getContextPath()).append("/").append(savePath).toString(); // 检查上传图片是否存在 if (!ServletFileUpload.isMultipartContent(request)) { out.println(alertMsg("请选择你要上传的图片!")); return; } // 检查目录 File uploadDir = new File(uploadPath); if (!uploadDir.isDirectory()) { out.println(alertMsg("上传图片保存的目录不存在。")); return; } // 检查目录写权限 if (!uploadDir.canWrite()) { out.println(alertMsg("上传图片保存的目录没有写权限。")); return; } // 准备上传图片 FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); upload.setHeaderEncoding("UTF-8"); List<?> items = null; String temp = null; try { items = upload.parseRequest(request); Iterator<?> itr = items.iterator(); while (itr.hasNext()) { FileItem item = (FileItem) itr.next(); // 上传图片的原文件名 String fileName = item.getName(); temp = (String) item.getName(); if(temp != null && !isFlag){ temp = temp.substring(temp.lastIndexOf("\\")+1); tempTitle = temp; isFlag = true; } // KindEditor编辑器的ID if(((String)item.getFieldName()).equals("id")){ id = item.getString(); } // 上传图片的重新提示 if(((String)item.getFieldName()).equals("imgTitle")){ imgTitle = item.getString(); if(imgTitle != null){ imgTitle = new String(imgTitle.getBytes("ISO8859-1"),"UTF-8"); } } // 设置图片的宽度 if(((String)item.getFieldName()).equals("imgWidth")){ String imgWidth = item.getString(); if(imgWidth != null && !imgWidth.isEmpty()){ this.imgWidth = Integer.parseInt(imgWidth); } } // 设置图片的高度 if(((String)item.getFieldName()).equals("imgHeight")){ String imgHeight = item.getString(); if(imgHeight != null && !imgHeight.isEmpty()){ this.imgHeight = Integer.parseInt(imgHeight); } } // 设置图片的边框 if(((String)item.getFieldName()).equals("imgBorder")){ imgBorder = item.getString(); } long fileSize = item.getSize(); if (!item.isFormField()) { // 检查文件大小 if (fileSize > MAX_SIZE) { out.println(alertMsg("上传文件大小超过限制。")); return; } // 检查扩展名 String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase(); if (!Arrays.<String> asList(IMAGETYPES).contains(fileExt)) { out.println(alertMsg("上传图片扩展名是不允许的扩展名。")); return; } // 根据时间创建文件夹 SimpleDateFormat folderNameFormat = new SimpleDateFormat("yyyyMMdd"); String realPath = uploadPath + folderNameFormat.format(new Date()); File folder = new File(realPath); boolean flag = folder.exists(); // 确认文件夹是否已经存在 if(!flag){ flag = folder.mkdir(); } // 创建文件夹并上传图片 if(flag){ SimpleDateFormat fileNameFormat = new SimpleDateFormat("yyyyMMddHHmmss"); String newFileName = fileNameFormat.format(new Date()) + "_"+ new Random().nextInt(1000) + "." + fileExt; File uploadedFile = new File(realPath, newFileName); item.write(uploadedFile); resizeImg = uploadedFile.getPath(); resizeImg = resizeImg.replaceAll("\\\\", "/"); saveUrl += folderNameFormat.format(new Date()) + "/" + newFileName; }else{ System.out.println(" 文件夹创建失败，请确认磁盘没有写保护并且空件足够"); } } } // 判断是否设置图片的最大宽度与高度 String max_width = this.getInitParameter("MAX_WIDTH"); String max_height = this.getInitParameter("MAX_HEIGHT"); if((max_width != null && !max_width.isEmpty())){ MAX_WIDTH = Integer.parseInt(max_width); } if(max_height != null && !max_height.isEmpty()){ MAX_HEIGHT = Integer.parseInt(max_height); } if(imgTitle == null || imgTitle.isEmpty()){ imgTitle = tempTitle; } // 判断是否要压缩图片 if(MAX_WIDTH != -1 || MAX_HEIGHT != -1) { // 压缩图片 ImageUtil.resizeImg(resizeImg, resizeImg, MAX_WIDTH, MAX_HEIGHT); if(this.imgWidth > ImageUtil.ImgWidth){ this.imgWidth = ImageUtil.ImgWidth; } if(this.imgHeight > ImageUtil.ImgHeight){ this.imgHeight = ImageUtil.ImgHeight; } // 返回编辑器 out.println(insertEditor(id, saveUrl, imgTitle, imgWidth, imgHeight, imgBorder)); }else{ // 返回编辑器 out.println(insertEditor(id, saveUrl, imgTitle, imgWidth, imgHeight, imgBorder)); } } catch (FileUploadException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); }finally{ out.flush(); out.close(); isFlag = false; } } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } /** * 输出打印上传失败的JSON语句 * * @param message 失败信息 * * @return 页面上传失败的JSON语句 */ public String alertMsg(String message) { StringBuffer sb = new StringBuffer("{\"error\":\"1\",\"message\":\""); sb.append(message).append("\"}"); return sb.toString(); } /** * 输出插入图片至编辑器语句的脚本 * * @param id 编辑器ID * * @param saveUrl 上传图片的浏览地址 * * @param imgTitle 图片的提示信息 * * @param imgWidth 设置图片的宽度 * * @param imgHeight 设置图片的宽度 * * @param imgBorder 设置图片的边框 * * @return 插入图片至编辑器的脚本语句 */ public String insertEditor(String id, String saveUrl, String imgTitle, int imgWidth, int imgHeight, String imgBorder){ StringBuffer sb = new StringBuffer("<script type\"text/javascript\">"); sb.append("parent.KE.plugin[\"image\"].insert(\"").append(id).append("\",\""); sb.append(saveUrl).append("\",\"").append(imgTitle).append("\",\""); sb.append(imgWidth).append("\",\"").append(imgHeight).append("\",\""); sb.append(imgBorder).append("\");"); sb.append("</script>"); return sb.toString(); } /** * 输出允许上传图片类型的数组 * * @param filesType 允许上传的图片类型 * * @return 允许上传图片类型 */ public String[] toArray(String filesType){ if(filesType == null){ return null; } String[] types = filesType.split(","); String[] allowTypes = new String[types.length]; int i = 0; for(String type : types){ allowTypes[i] = type; i++; } return allowTypes; } }

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package com.elkan.kindeditor.upload; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.Hashtable; import java.util.List; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class UploadImageManager extends HttpServlet { private static final long serialVersionUID = -8359652838938248988L; // 定义允许上传的图片的扩展名 protected String[] FILETYPES = new String[] { "gif", "jpg", "jpeg", "png", "bmp" }; // 定义上传图片保存目录路径 protected String UPLOAD_PATH = ""; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html; charset=UTF-8"); PrintWriter out = response.getWriter(); String savePath = this.getInitParameter("UPLOAD_PATH"); if (savePath == null || savePath.isEmpty()) { out.println(alertMsg("你还没设置读取上传图片保存的目录路径!")); return; } // 图片保存目录路径 String rootPath = new StringBuffer(request.getSession().getServletContext().getRealPath("/")).append(savePath).toString(); // 图片保存目录URL String rootUrl = new StringBuffer(request.getContextPath()).append("/").append(savePath).toString(); //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(alertMsg("不允许使用移动到上一级目录")); return; } //最后一个字符不是/ if (!"".equals(path) && !path.endsWith("/")) { out.println("Parameter is not valid."); return; } //目录不存在或不是目录 File currentPathFile = new File(currentPath); if(!currentPathFile.isDirectory()){ out.println("Directory does not exist."); return; } //遍历目录取的文件信息 List<Hashtable<?,?>> fileList = new ArrayList<Hashtable<?,?>>(); 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()); } out.println(toJSONString(currentUrl, currentDirPath, moveupDirPath, fileList)); out.flush(); out.close(); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } /** * 输出打印上传失败语句的脚本 * * @param message 失败信息 * * @return 页面打印的脚本语句 */ public String alertMsg(String message) { StringBuffer sb = new StringBuffer("<script type\"text/javascript\">"); sb.append("alert(\"").append(message).append("\");"); sb.append("</script>"); return sb.toString(); } public String toJSONString(String currentUrl, String currentDirPath, String moveupDirPath, List<Hashtable<?, ?>> fileList){ StringBuilder sb = new StringBuilder("{\"current_url\":\""); sb.append(currentUrl).append("\",").append("\"current_dir_path\":\""); sb.append(currentDirPath).append("\",\"moveup_dir_path\":\"").append(moveupDirPath).append("\","); sb.append("\"file_list\":["); int i = 0; sb.append("{"); for(Hashtable<?,?> he : fileList){ if(i != (fileList.size() - 1)){ sb.append("\"filename\":\"").append(he.get("filename")).append("\","); sb.append("\"filesize\":").append(he.get("filesize")).append(","); sb.append("\"filetype\":\"").append(he.get("filetype")).append("\","); sb.append("\"has_file\":").append(he.get("has_file")).append(","); sb.append("\"is_dir\":").append(he.get("is_dir")).append(","); sb.append("\"is_photo\":").append(he.get("is_photo")).append(","); sb.append("\"datetime\":\"").append(he.get("datetime")).append("\""); sb.append("},{"); }else{ sb.append("\"filename\":\"").append(he.get("filename")).append("\","); sb.append("\"filesize\":").append(he.get("filesize")).append(","); sb.append("\"filetype\":\"").append(he.get("filetype")).append("\","); sb.append("\"has_file\":").append(he.get("has_file")).append(","); sb.append("\"is_dir\":").append(he.get("is_dir")).append(","); sb.append("\"is_photo\":").append(he.get("is_photo")).append(","); sb.append("\"datetime\":\"").append(he.get("datetime")).append("\""); sb.append("}"); } i++; } i = 0; sb.append("],\"total_count\":").append(fileList.size()).append("}"); return sb.toString(); } public class NameComparator implements Comparator<Object> { 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")); } } } public class SizeComparator implements Comparator<Object> { 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; } } } } public class TypeComparator implements Comparator<Object> { 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")); } } } }

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package com.elkan.kindeditor.upload; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.text.SimpleDateFormat; import java.util.Arrays; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Random; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileItemFactory; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; public class UploadAccessory extends HttpServlet { private static final long serialVersionUID = 1L; // 上传文件的大小 protected long MAX_SIZE = 1000000; // 定义允许上传的文件的扩展名 protected String[] FILETYPES = new String[]{"doc", "xls", "ppt", "pdf", "txt", "rar" , "zip"}; // 定义上传文件保存目录路径 protected String UPLOAD_PATH = ""; protected String id = ""; protected String attachTitle = ""; protected boolean isFlag = false; protected String tempTitle = ""; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html; charset=UTF-8"); PrintWriter out = response.getWriter(); String savePath = this.getInitParameter("UPLOAD_PATH"); if (savePath == null || savePath.isEmpty()) { out.println(alertMsg("你还没设置上传文件保存的目录路径!")); return; } //判断是否设置了上传文件的大小 if(this.getInitParameter("MAX_SIZE") != null){ MAX_SIZE = Integer.parseInt(this.getInitParameter("MAX_SIZE")); } //判断是否设置了上传文件的类型 if(this.getInitParameter("FILETYPES") != null){ FILETYPES = toArray(this.getInitParameter("FILETYPES")); } // 文件保存目录路径 String uploadPath = new StringBuffer(request.getSession().getServletContext().getRealPath("/")).append(savePath).toString(); // 文件保存目录URL String saveUrl = new StringBuffer(request.getContextPath()).append("/").append(savePath).toString(); if(!ServletFileUpload.isMultipartContent(request)){ out.println(alertMsg("请选择要上传的文件。")); return; } //检查目录 File uploadDir = new File(uploadPath); if(!uploadDir.isDirectory()){ out.println(alertMsg("上传目录不存在。")); return; } //检查目录写权限 if(!uploadDir.canWrite()){ out.println(alertMsg("当前角色对上传目录没有写权限。")); return; } FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); upload.setHeaderEncoding("UTF-8"); String temp = null; String ext = null; try{ List<?> items = upload.parseRequest(request); Iterator<?> itr = items.iterator(); while (itr.hasNext()) { FileItem item = (FileItem) itr.next(); String fileName = item.getName(); temp = (String) item.getName(); if(temp != null && !isFlag){ temp = temp.substring(temp.lastIndexOf("\\")+1); tempTitle = temp; isFlag = true; } // KindEditor编辑器的ID if(((String)item.getFieldName()).equals("id")){ id = item.getString(); } // 上传图片的重新提示 if(((String)item.getFieldName()).equals("attachTitle")){ attachTitle = item.getString(); if(attachTitle != null){ attachTitle = new String(attachTitle.getBytes("ISO8859-1"),"UTF-8"); } } if (!item.isFormField()) { //检查文件大小 if(item.getSize() > MAX_SIZE){ out.println(alertMsg("上传文件大小超过限制。")); return; } //检查扩展名 String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase(); if(!Arrays.<String>asList(FILETYPES).contains(fileExt)){ out.println(alertMsg("上传文件扩展名是不允许的扩展名。")); return; } // 根据时间创建文件夹 SimpleDateFormat folderNameFormat = new SimpleDateFormat("yyyyMMdd"); String realPath = uploadPath + folderNameFormat.format(new Date()); File folder = new File(realPath); boolean flag = folder.exists(); // 确认文件夹是否已经存在 if(!flag){ flag = folder.mkdir(); } // 创建文件夹并上传图片 if(flag){ SimpleDateFormat fileNameFormat = new SimpleDateFormat("yyyyMMddHHmmss"); String newFileName = fileNameFormat.format(new Date()) + "_"+ new Random().nextInt(1000) + "." + fileExt; File uploadedFile = new File(realPath, newFileName); item.write(uploadedFile); saveUrl += folderNameFormat.format(new Date()) + "/" + newFileName; ext = fileExt; }else{ System.out.println(" 文件夹创建失败，请确认磁盘没有写保护并且空件足够"); } } } if(attachTitle == null || attachTitle.isEmpty()){ attachTitle = tempTitle; } out.println(insertAttach(id, saveUrl, attachTitle, ext)); }catch(Exception e){ e.printStackTrace(); }finally{ out.flush(); out.close(); isFlag = false; } } /** * 输出打印上传失败语句的脚本 * * @param message 失败信息 * * @return 页面打印的脚本语句 */ public String alertMsg(String message){ StringBuilder sb = new StringBuilder("<html>"); sb.append("<head>").append("<title>error</title>"); sb.append("<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">"); sb.append("</head>"); sb.append("<body>"); sb.append("<script type=\"text/javascript\">"); sb.append("alert(\"").append(message).append("\");history.back();</script>"); sb.append("</body>").append("</html>"); return sb.toString(); } /** * 输出插入附件至编辑器语句的脚本 * * @param id 编辑器ID * * @param url 上传附件的地址 * * @param title 上传时设置的title属性 * * @param ext 上传文件的后缀名 * * @return 插入附件至编辑器的脚本语句 */ public String insertAttach(String id, String url, String title, String ext){ StringBuilder sb = new StringBuilder("<html>"); sb.append("<head>").append("<title>Insert Accessory</title>"); sb.append("<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">"); sb.append("</head>"); sb.append("<body>"); sb.append("<script type=\"text/javascript\">"); sb.append("parent.KE.plugin[\"accessory\"].insert(\"").append(id).append("\",\""); sb.append(url).append("\",\"").append(title).append("\",\"").append(ext).append("\");</script>"); sb.append("</body>").append("</html>"); return sb.toString(); } /** * 输出允许上传图片类型的数组 * * @param filesType 允许上传的图片类型 * * @return 允许上传图片类型 */ public String[] toArray(String filesType){ if(filesType == null){ return null; } String[] types = filesType.split(","); String[] allowTypes = new String[types.length]; int i = 0; for(String type : types){ allowTypes[i] = type; i++; } return allowTypes; } }

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package com.elkan.utils; import java.awt.Image; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import javax.imageio.ImageIO; import com.sun.image.codec.jpeg.JPEGCodec; import com.sun.image.codec.jpeg.JPEGImageEncoder; /** * 对图片进行处理的方法 * * @author SENHUI */ public class ImageUtil { public static int ImgWidth = -1; public static int ImgHeight = -1; /** * 压缩图片 * * @param imgsrc * 源文件 * @param imgdist * 目标文件 * @param widthdist * 宽 * @param heightdist * 高 */ public static void resizeImg(String imgsrc, String imgdist, int widthdist, int heightdist) { try { File srcfile = new File(imgsrc); if (!srcfile.exists()) { return; } Image src = ImageIO.read(srcfile); ImgWidth = src.getWidth(null); ImgHeight = src.getHeight(null); if(ImgWidth < widthdist){ widthdist = ImgWidth; }else{ ImgWidth = widthdist; } if(ImgHeight < heightdist){ heightdist = ImgHeight; }else{ ImgHeight = heightdist; } BufferedImage tag = new BufferedImage(widthdist, heightdist,BufferedImage.TYPE_INT_RGB); tag.getGraphics().drawImage(src.getScaledInstance(widthdist, heightdist,Image.SCALE_SMOOTH), 0, 0, null); FileOutputStream out = new FileOutputStream(imgdist); JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out); encoder.encode(tag); out.close(); } catch (IOException ex) { ex.printStackTrace(); } } }