【Java】自动解压文件
import java.io.File;import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class UnZipper {
/**
* 解压文件到当前目录 功能相当于右键 选择解压
* @param zipFile
* @param
* @author gabriel
*/
@SuppressWarnings("rawtypes")
public static void unZipFiles(File zipFile)throws IOException{
//得到压缩文件所在目录
String path=zipFile.getAbsolutePath();
path=path.substring(0,path.lastIndexOf("\\"));
// System.out.println("path "+path);
ZipFile zip = new ZipFile(zipFile);
for(Enumeration entries =zip.entries();
entries.hasMoreElements();){
ZipEntry entry = (ZipEntry)entries.nextElement();
String zipEntryName = entry.getName();
InputStream in = zip.getInputStream(entry);
//outPath输出目录
String outPath = (path+"\\"+zipEntryName).replaceAll("\\*", "/");;
//System.out.println("outPath "+outPath);
//判断路径是否存在,不存在则创建文件路径
File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
if(!file.exists()){
file.mkdirs();
}
//判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
if(new File(outPath).isDirectory()){
continue;
}
//输出文件路径信息
System.out.println(outPath);
OutputStream out = new FileOutputStream(outPath);
byte[] buf1 = new byte;
int len;
while((len=in.read(buf1))>0){
out.write(buf1,0,len);
}
in.close();
out.close();
}
System.out.println("******************解压完毕********************");
}
public static void main(String[] args) {
try {
unZipFiles(new File("D:\\all\\zip\\Default.adiumemoticonset.zip"));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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