155 lines
5.1 KiB
Plaintext
155 lines
5.1 KiB
Plaintext
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
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<%@ page import="java.util.*,java.io.*" %>
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<%@ page import="java.text.SimpleDateFormat" %>
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<%@ page import="org.json.simple.*" %>
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<%
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/**
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* KindEditor JSP
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*
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* 本JSP程序是演示程序，建议不要直接在实际项目中使用。
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* 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。
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*
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*/
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//根目录路径，可以指定绝对路径，比如 /var/www/attached/
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String rootPath = pageContext.getServletContext().getRealPath("/") + "attached/";
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//根目录URL，可以指定绝对路径，比如 http://www.yoursite.com/attached/
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String rootUrl = request.getContextPath() + "/attached/";
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//图片扩展名
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String[] fileTypes = new String[]{"gif", "jpg", "jpeg", "png", "bmp"};
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String dirName = request.getParameter("dir");
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if (dirName != null) {
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if(!Arrays.<String>asList(new String[]{"image", "flash", "media", "file"}).contains(dirName)){
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out.println("Invalid Directory name.");
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return;
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}
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rootPath += dirName + "/";
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rootUrl += dirName + "/";
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File saveDirFile = new File(rootPath);
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if (!saveDirFile.exists()) {
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saveDirFile.mkdirs();
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}
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}
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//根据path参数，设置各路径和URL
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String path = request.getParameter("path") != null ? request.getParameter("path") : "";
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String currentPath = rootPath + path;
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String currentUrl = rootUrl + path;
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String currentDirPath = path;
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String moveupDirPath = "";
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if (!"".equals(path)) {
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String str = currentDirPath.substring(0, currentDirPath.length() - 1);
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moveupDirPath = str.lastIndexOf("/") >= 0 ? str.substring(0, str.lastIndexOf("/") + 1) : "";
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}
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//排序形式，name or size or type
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String order = request.getParameter("order") != null ? request.getParameter("order").toLowerCase() : "name";
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//不允许使用..移动到上一级目录
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if (path.indexOf("..") >= 0) {
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out.println("Access is not allowed.");
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return;
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}
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//最后一个字符不是/
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if (!"".equals(path) && !path.endsWith("/")) {
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out.println("Parameter is not valid.");
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return;
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}
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//目录不存在或不是目录
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File currentPathFile = new File(currentPath);
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if(!currentPathFile.isDirectory()){
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out.println("Directory does not exist.");
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return;
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}
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//遍历目录取的文件信息
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List<Hashtable> fileList = new ArrayList<Hashtable>();
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if(currentPathFile.listFiles() != null) {
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for (File file : currentPathFile.listFiles()) {
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Hashtable<String, Object> hash = new Hashtable<String, Object>();
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String fileName = file.getName();
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if(file.isDirectory()) {
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hash.put("is_dir", true);
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hash.put("has_file", (file.listFiles() != null));
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hash.put("filesize", 0L);
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hash.put("is_photo", false);
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hash.put("filetype", "");
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} else if(file.isFile()){
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String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
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hash.put("is_dir", false);
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hash.put("has_file", false);
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hash.put("filesize", file.length());
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hash.put("is_photo", Arrays.<String>asList(fileTypes).contains(fileExt));
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hash.put("filetype", fileExt);
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}
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hash.put("filename", fileName);
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hash.put("datetime", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(file.lastModified()));
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fileList.add(hash);
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}
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}
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if ("size".equals(order)) {
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Collections.sort(fileList, new SizeComparator());
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} else if ("type".equals(order)) {
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Collections.sort(fileList, new TypeComparator());
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} else {
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Collections.sort(fileList, new NameComparator());
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}
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JSONObject result = new JSONObject();
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result.put("moveup_dir_path", moveupDirPath);
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result.put("current_dir_path", currentDirPath);
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result.put("current_url", currentUrl);
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result.put("total_count", fileList.size());
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result.put("file_list", fileList);
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response.setContentType("application/json; charset=UTF-8");
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out.println(result.toJSONString());
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%>
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<%!
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public class NameComparator implements Comparator {
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public int compare(Object a, Object b) {
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Hashtable hashA = (Hashtable)a;
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Hashtable hashB = (Hashtable)b;
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if (((Boolean)hashA.get("is_dir")) && !((Boolean)hashB.get("is_dir"))) {
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return -1;
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} else if (!((Boolean)hashA.get("is_dir")) && ((Boolean)hashB.get("is_dir"))) {
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return 1;
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} else {
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return ((String)hashA.get("filename")).compareTo((String)hashB.get("filename"));
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}
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}
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}
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public class SizeComparator implements Comparator {
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public int compare(Object a, Object b) {
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Hashtable hashA = (Hashtable)a;
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Hashtable hashB = (Hashtable)b;
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if (((Boolean)hashA.get("is_dir")) && !((Boolean)hashB.get("is_dir"))) {
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return -1;
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} else if (!((Boolean)hashA.get("is_dir")) && ((Boolean)hashB.get("is_dir"))) {
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return 1;
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} else {
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if (((Long)hashA.get("filesize")) > ((Long)hashB.get("filesize"))) {
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return 1;
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} else if (((Long)hashA.get("filesize")) < ((Long)hashB.get("filesize"))) {
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return -1;
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} else {
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return 0;
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}
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}
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}
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}
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public class TypeComparator implements Comparator {
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public int compare(Object a, Object b) {
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Hashtable hashA = (Hashtable)a;
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Hashtable hashB = (Hashtable)b;
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if (((Boolean)hashA.get("is_dir")) && !((Boolean)hashB.get("is_dir"))) {
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return -1;
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} else if (!((Boolean)hashA.get("is_dir")) && ((Boolean)hashB.get("is_dir"))) {
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return 1;
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} else {
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return ((String)hashA.get("filetype")).compareTo((String)hashB.get("filetype"));
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}
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}
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}
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%> |