Java 使用 org.apache.tools.zip.* 壓縮檔案源代碼

Java 使用 org.apache.tools.zip.* 壓縮/解壓縮檔案源代碼

        Java 使用 org.apache.tools.zip.* 壓縮/解壓縮檔案的源代碼。本源碼支援中文路徑和中文檔案名；解決了壓縮後有一個多餘同名檔案夾的 bug、壓縮後用 7-zip 打開時根目錄下的檔案名前有“\”的 bug。

package com.defonds.cds.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class AntZipUtil {
  
  public static void zipFile(String zipFileName, String inputFileName)
      throws Exception {
    org.apache.tools.zip.ZipOutputStream out = new org.apache.tools.zip.ZipOutputStream(
        new FileOutputStream(zipFileName));
    out.setEncoding("GBK");
    File inputFile = new File(inputFileName);
    zipIt(out, inputFile, "", true);
    out.close();
  }
  
  /*
   * 能支援中文的壓縮 參數base 開始為"" first 開始為true
   */
  public static void zipIt(org.apache.tools.zip.ZipOutputStream out, File f,
      String base, boolean first) throws Exception {
    if (f.isDirectory()) {
      File[] fl = f.listFiles();
      if (first) {
        first = false;
      } else {
        base = base + "/";
      }
      for (int i = 0; i < fl.length; i++) {
        zipIt(out, fl[i], base + fl[i].getName(), first);
      }
    } else {
      if (first) {
        base = f.getName();
      }
      out.putNextEntry(new org.apache.tools.zip.ZipEntry(base));
      FileInputStream in = new FileInputStream(f);
      int b;
      while ((b = in.read()) != -1) {
        out.write(b);
      }
      in.close();
    }
  }

  public static void unZipFile(String unZipFileName, String unZipPath)
      throws Exception {
    org.apache.tools.zip.ZipFile zipFile = new org.apache.tools.zip.ZipFile(
        unZipFileName);
    unZipFileByOpache(zipFile, unZipPath);
  }
  
  /*
   * 解壓檔案 unZip為解壓路徑
   */
  public static void unZipFileByOpache(org.apache.tools.zip.ZipFile zipFile,
      String unZipRoot) throws Exception, IOException {
    java.util.Enumeration e = zipFile.getEntries();
    org.apache.tools.zip.ZipEntry zipEntry;
    while (e.hasMoreElements()) {
      zipEntry = (org.apache.tools.zip.ZipEntry) e.nextElement();
      InputStream fis = zipFile.getInputStream(zipEntry);
      if (zipEntry.isDirectory()) {
      } else {
        File file = new File(unZipRoot + File.separator
            + zipEntry.getName());
        File parentFile = file.getParentFile();
        parentFile.mkdirs();
        FileOutputStream fos = new FileOutputStream(file);
        byte[] b = new byte[1024];
        int len;
        while ((len = fis.read(b, 0, b.length)) != -1) {
          fos.write(b, 0, len);
        }
        fos.close();
        fis.close();
      }
    }
  }

  public static void main(String[] args) throws Exception {
    zipFile("d:/temp/folders.zip", "D:/temp/folders");//壓縮入口
    //unZipFile("d:/javaFile.zip","e:/");//解壓入口
  }
}