001.ZIP文件解压功能

/**
* 解压文件
* @param zipFile 目标文件
* @param descDir 指定解压目录
*
* @return urlList 存放解压后的文件目录(可选)
*/
public static List<String> unZip(File zipFile, String descDir) {
List<String> urlList =new ArrayList<String>();

File pathFile = new File(descDir);
if(!pathFile.exists()){
pathFile.mkdirs();
}
org.apache.tools.zip.ZipFile zip = null;
try {
//指定编码,否则压缩包里面不能有中文目录,指定中文编码
zip = new org.apache.tools.zip.ZipFile(zipFile);
for (Enumeration<? extends org.apache.tools.zip.ZipEntry> entries = zip.getEntries(); entries.hasMoreElements();) {
org.apache.tools.zip.ZipEntry entry = (org.apache.tools.zip.ZipEntry)entries.nextElement();
String zipEntryName = entry.getName();
InputStream in = zip.getInputStream(entry);
String outPath = (descDir+zipEntryName).replace("/", File.separator);
//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(File.separator)));
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;
}
//保存文件路径信息
urlList.add(outPath);
//System.out.println("filepath==>"+outPath);
OutputStream out = new FileOutputStream(outPath);
byte[] buf1 = new byte[2048];
int len;
while((len=in.read(buf1))>0){
out.write(buf1,0,len);
}
in.close();
out.close();
}
//必须关闭,否则无法删除该zip文件
zip.close();
} catch (IOException e) {
e.printStackTrace();
}
return urlList;
}

posted @ 2018-12-18 14:25  请问吃饭了吗  阅读(558)  评论(0编辑  收藏  举报