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  1. JAVA認證基礎知識:Java文件解壓縮示例

    時間:2024-10-14 03:31:54 JAVA認證 我要投稿
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    JAVA認證基礎知識:Java文件解壓縮示例

      Java實現壓縮文件的解壓縮操作,缺點是壓縮文件內不能含有文件名為中文的的文件,否則會出現如下錯誤:

    JAVA認證基礎知識:Java文件解壓縮示例

      Exception in thread "main" java.lang.IllegalArgumentException: MALFORMED

      at java.util.zip.ZipCoder.toString(Unknown Source)

      at java.util.zip.ZipInputStream.readLOC(Unknown Source)

      at java.util.zip.ZipInputStream.getNextEntry(Unknown Source)

      at com.javatest.techzero.gui.ZipFileDemo.main(ZipFileDemo.java:22)

      代碼:

      package com.javatest.techzero.gui;

      import java.io.File;

      import java.io.FileInputStream;

      import java.io.FileOutputStream;

      import java.io.InputStream;

      import java.io.OutputStream;

      import java.util.zip.ZipEntry;

      import java.util.zip.ZipFile;

      import java.util.zip.ZipInputStream;

      public class ZipFileDemo {

      @SuppressWarnings("resource")

      public static void main(String args[]) throws Exception {

      File file = new File("d:" + File.separator + "test.zip");

      File outFile = null;

      ZipFile zipFile = new ZipFile(file);

      ZipInputStream zipInput = new ZipInputStream(new FileInputStream(file));

      ZipEntry entry = null;

      InputStream input = null;

      OutputStream out = null;

      while ((entry = zipInput.getNextEntry()) != null) {

      System.out.println("開始解壓縮" + entry.getName() + "文件。。。");

      outFile = new File("d:" + File.separator + entry.getName());

      if (!outFile.getParentFile().exists()) {

      outFile.getParentFile().mkdir();

      }

      if (!outFile.exists()) {

      outFile.createNewFile();

      }

      input = zipFile.getInputStream(entry);

      out = new FileOutputStream(outFile);

      int temp = 0;

      while ((temp = input.read()) != -1) {

      //System.out.println(temp);

      out.write(temp);

      }

      input.close();

      out.close();

      }

      System.out.println("Done!");

      }

      }

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