package com.xeon.mis.utils;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.Adler32;
import java.util.zip.CheckedOutputStream;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;
/**
* 多文件压缩
*
*/
public class ZipUtils {
public static void zipCompress(List<String> srcFiles, String desFile)
throws Exception {
FileOutputStream outfile = new FileOutputStream(desFile);
CheckedOutputStream checkoutput = new CheckedOutputStream(outfile,
new Adler32());
BufferedOutputStream out = new BufferedOutputStream(checkoutput);
ZipOutputStream zos = new ZipOutputStream(out);
// 乱码解决
zos.setEncoding("gbk");
for (String infile : srcFiles) {
System.out.println("Writing file " + infile);
BufferedInputStream bin = new BufferedInputStream(
new FileInputStream(new File(infile)));
infile = infile.substring(infile.lastIndexOf("\\") + 1);
zos.putNextEntry(new ZipEntry(infile));
byte[] c = new byte[1024];
while ((bin.read(c)) != -1) {
zos.write(c, 0, c.length);
}
bin.close();
zos.closeEntry();
}
zos.close();
out.close();
checkoutput.close();
}
public static void unzip(String srcFile, String destFile) throws Exception {
if (!(srcFile != null && srcFile.endsWith(".zip"))) {
throw new Exception("解压文件必须以.zip结尾");
}
ZipFile zipFile = new ZipFile(srcFile, "gbk");
Enumeration<ZipEntry> entrys = zipFile.getEntries();
while (entrys.hasMoreElements()) {
ZipEntry zipEntry = entrys.nextElement();
String name = zipEntry.getName();
System.out.println("====" + name);
// 跳过目录
if (name.endsWith("/")) {
continue;
}
InputStream in = zipFile.getInputStream(zipEntry);
BufferedInputStream bufferedinput = new BufferedInputStream(in);
byte[] b = new byte[1024];
File file = new File(destFile + name);
File parent = file.getParentFile();
if (!parent.exists()) {
parent.mkdirs();
}
BufferedOutputStream bufferedoutput = new BufferedOutputStream(
new FileOutputStream(file));
while ((bufferedinput.read(b)) > 0) {
bufferedoutput.write(b, 0, b.length);
}
bufferedoutput.close();
in.close();
}
}
public static void main(String[] args) throws Exception {
unzip("j:\\test\\1.zip", "j:\\test\\");
}
}
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java zip压缩和解压(支持中文)