java中解压缩文件_Java 文件解压缩实现代码
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("开始解压缩" + 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!");
}
}
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("开始解压缩" + 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!"); } }