zip 壓縮
/**
- 壓縮文件-由于out要在遞歸調(diào)用外,所以封裝一個(gè)方法用來(lái)
- 調(diào)用ZipFiles(ZipOutputStream out,String path,File... srcFiles)
- @param zip
- @param path
- @param srcFiles
- @throws IOException
- @author isea533
/
public static void ZipFiles(File zip,String path,File... srcFiles) throws IOException{
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zip));
ZipTest.ZipFiles(out,path,srcFiles);
out.close();
System.out.println("*****************壓縮完畢*******************");
}
/* - 壓縮文件-File
- @param zipFile zip文件
- @param srcFiles 被壓縮源文件
- @author isea533
/
public static void ZipFiles(ZipOutputStream out,String path,File... srcFiles){
path = path.replaceAll("\", "/");
if(!path.endsWith("/")){
path+="/";
}
byte[] buf = new byte[1024];
try {
for(int i=0;i<srcFiles.length;i++){
if(srcFiles[i].isDirectory()){
File[] files = srcFiles[i].listFiles();
String srcPath = srcFiles[i].getName();
srcPath = srcPath.replaceAll("\*", "/");
if(!srcPath.endsWith("/")){
srcPath+="/";
}
out.putNextEntry(new ZipEntry(path+srcPath));
ZipFiles(out,path+srcPath,files);
}
else{
FileInputStream in = new FileInputStream(srcFiles[i]);
System.out.println(path + srcFiles[i].getName());
out.putNextEntry(new ZipEntry(path + srcFiles[i].getName()));
int len;
while((len=in.read(buf))>0){
out.write(buf,0,len);
}
out.closeEntry();
in.close();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
zip 解壓
/**
- 解壓到指定目錄
- @param zipPath
- @param descDir
- @author isea533
/
public static void unZipFiles(String zipPath,String descDir)throws IOException{
unZipFiles(new File(zipPath), descDir);
}
/* - 解壓文件到指定目錄
- @param zipFile
- @param descDir
- @author isea533
/
@SuppressWarnings("rawtypes")
public static void unZipFiles(File zipFile,String descDir)throws IOException{
File pathFile = new File(descDir);
if(!pathFile.exists()){
pathFile.mkdirs();
}
ZipFile zip = new ZipFile(zipFile);
for(Enumeration entries = zip.getEntries();entries.hasMoreElements();){
ZipEntry entry = (ZipEntry)entries.nextElement();
String zipEntryName = entry.getName();
InputStream in = zip.getInputStream(entry);
String outPath = (descDir+zipEntryName).replaceAll("\", "/");;
//判斷路徑是否存在,不存在則創(chuàng)建文件路徑
File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
if(!file.exists()){
file.mkdirs();
}
//判斷文件全路徑是否為文件夾,如果是上面已經(jīng)上傳,不需要解壓
if(new File(outPath).isDirectory()){
continue;
}
//輸出文件路徑信息
System.out.println(outPath);
OutputStream out = new FileOutputStream(outPath);
byte[] buf1 = new byte[1024];
int len;
while((len=in.read(buf1))>0){
out.write(buf1,0,len);
}
in.close();
out.close();
}
System.out.println("******************解壓完畢********************");
}
測(cè)試方法
public static void main(String[] args) throws IOException {
/**
- 壓縮文件
*/
File[] files = new File[]{new File("d:/English"),new File("d:/發(fā)放數(shù)據(jù).xls"),new File("d:/中文名稱.xls")};
File zip = new File("d:/壓縮.zip");
ZipFiles(zip,"abc",files);
/**
- 解壓文件
*/
File zipFile = new File("d:/壓縮.zip");
String path = "d:/zipfile/";
unZipFiles(zipFile, path);
}
