教务信息管理系统.zip

package com.wucl.stdmis.util; import java.io.BufferedInputStream; import java.io.ByteArrayOutputStream; import java.io.Closeable; import java.io.File; import java.io.FileFilter; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.lang.reflect.Method; import java.net.URL; import java.nio.ByteBuffer; import java.nio.CharBuffer; import java.nio.channels.Channels; import java.nio.channels.ReadableByteChannel; import java.nio.channels.WritableByteChannel; import java.nio.charset.Charset; import java.util.ArrayList; import java.util.Enumeration; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import java.util.zip.ZipOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * 文件操作工具类 * * @author wucl(lailaiwcl@gmail.com) * */ public class FileUtil { public static void downloadFile(File filepath, String downLoadFileName, HttpServletResponse response) throws IOException { if (filepath == null || !filepath.isFile()) { throw new FileNotFoundException(); } OutputStream outputStream = null; InputStream in = null; String fileName = ""; String name = filepath.getName(); if (downLoadFileName == null || downLoadFileName.trim().length() == 0) { fileName = name; } else { String suffix = name.substring(name.lastIndexOf(".")); fileName = downLoadFileName + suffix; } try { response.reset(); response.resetBuffer(); response.setCharacterEncoding("utf-8"); response.addHeader("Connection", "close"); response.setHeader("Content-Disposition", "attachment;filename=" + new String(fileName.getBytes("gb2312"), "ISO8859-1")); response.addHeader("Content-Type", "application/octet-stream"); int fileLeng = Integer.parseInt(filepath.length() + ""); response.setContentLength(fileLeng); outputStream = response.getOutputStream(); in = new BufferedInputStream(new FileInputStream(filepath)); copy(in, outputStream); outputStream.flush(); } catch (IOException e) { throw new IOException(); } finally { if (in != null) { try { in.close(); } catch (IOException e) { } } } } public static void uploadFile(HttpServletRequest request, HttpServletResponse response, File uploadFile) { } public static void copy(InputStream input, OutputStream output) throws IOException { final int DEFAULT_BUFFER_SIZE = 1024 * 4; byte[] buffer = new byte[DEFAULT_BUFFER_SIZE]; int n = 0; while (-1 != (n = input.read(buffer))) { output.write(buffer, 0, n); } } private static final String OS_NAME = System.getProperty("os.name") .toLowerCase(Locale.US); public static final FileFilter LIST_FILE = new FileFilter() { public boolean accept(File file) { if (file == null) { return false; } if (!file.isDirectory()) { return true; } return false; } }; public static final FileFilter LIST_DIR = new FileFilter() { public boolean accept(File file) { if (file == null) { return false; } if (file.isDirectory()) { return true; } return false; } }; public static final IZipEntryFilter LIST_ZIP_ENTRY_FILE = new IZipEntryFilter() { public boolean accept(ZipEntry zipEntry) { if (zipEntry == null) { return false; } if (!zipEntry.isDirectory()) { return true; } return false; } }; public static final IZipEntryFilter LIST_ZIP_ENTRY_DIR = new IZipEntryFilter() { public boolean accept(ZipEntry zipEntry) { if (zipEntry == null) { return false; } if (zipEntry.isDirectory()) { return true; } return false; } }; /** * 安静的关闭 * * @param ioObj */ public static void closeQuietly(Object ioObj) { if (ioObj == null) { return; } if (ioObj instanceof Closeable) { try { ((Closeable) ioObj).close(); return; } catch (Throwable ignore) { } } else { try { Method method = ioObj.getClass().getMethod("close", new Class[0]); if (method != null) { method.invoke(ioObj, new Object[0]); return; } } catch (Throwable ignore) { } throw new IllegalArgumentException("ioObj'" + ioObj.getClass() + "' is not support type!"); } } /** * 是否是绝对路径（根据当前系统判断） * * @param path * 路径 * @return true:是 */ public static boolean isAbsolutePath(String path) { if (path == null || path.trim().length() == 0) { throw new IllegalArgumentException("path is null!"); } path = normalizeInUnixStyle(path); if (isWindowsAndDos()) { int colon = path.indexOf(":/"); return Character.isLetter(path.charAt(0)) && colon == 1; } else { return path.charAt(0) == '/'; } } private static boolean isWindowsAndDos() { if (OS_NAME.indexOf("windows") > -1) { return true; } if (OS_NAME.indexOf("dos") > -1) { return true; } if (OS_NAME.indexOf("netware") > -1) { return true; } return false; } /** * 取得文件名 * * @param filePath * 文件路径 * @param isWithFileExtension * 是否包含文件扩展名 * @return 文件名 */ public static String getFileName(String filePath, boolean isWithFileExtension) { if (filePath == null || filePath.trim().length() == 0) { throw new IllegalArgumentException("file is null!"); } filePath = filePath.trim(); int index = filePath.lastIndexOf('/'); int index2 = filePath.lastIndexOf('\\'); if (index2 > index) { index = index2; } String fileName = filePath; if (index != -1) { fileName = filePath.substring(index + 1); } if (!isWithFileExtension) { index = fileName.lastIndexOf('.'); if (index != -1) { fileName = fileName.substring(0, index); } } return fileName.trim(); } /** * 取得文件扩展名 * * @param filePath * 文件路径 * @return 文件扩展名 */ public static String getFileExtension(String filePath) { if (filePath == null || filePath.trim().length() == 0) { return null; } filePath = filePath.trim(); int index = filePath.lastIndexOf('.'); if (index != -1) { return filePath.substring(index + 1).trim(); } return null; } /** * 路径是否匹配 * * @param patternPath * 路径模式 * @param path * 路径 * @param isCaseSensitive * 是否大小写敏感 * @return true:是 */ public static boolean isMatch(String patternPath, String path, boolean isCaseSensitive) { char[] patArr = patternPath.toCharArray(); char[] strArr = path.toCharArray(); int patIdxStart = 0; int patIdxEnd = patArr.length - 1; int strIdxStart = 0; int strIdxEnd = strArr.length - 1; char ch; boolean containsStar = false; for (int i = 0; i < patArr.length; i++) { if (patArr[i] == '*') { containsStar = true; break; } } if (!containsStar) { // No '*'s, so we make a shortcut if (patIdxEnd != strIdxEnd) { return false; // Pattern and string do not have the same size } for (int i = 0; i <= patIdxEnd; i++) { ch = patArr[i]; if (ch != '?') { if (isCaseSensitive && ch != strArr[i]) { return false; // Character mismatch } if (!isCaseSensitive && Character.toUpperCase(ch) != Character .toUpperCase(strArr[i])) { return false; // Character mismatch } } } return true; // String matches against pattern } if (patIdxEnd == 0) { return true; // Pattern contains only '*', which matches anything } // Process characters before first star while ((ch = patArr[patIdxStart]) != '*' && strIdxStart <= strIdxEnd) { if (ch != '?') { if (isCaseSensitive && ch != s