随便写的

Posted 2022-08-01 badboyh2o

    /**
     * 解压zip文件
     * 
     * TODO 压缩包内文件有中文会出错
     * 
     * @param zipFileStream zip文件流
     * @param targetPath 解压路径
     * @throws IOException 
     */
    public static void unZip(InputStream zipFileStream, String targetPath) throws IOException
        ZipInputStream zipInputStream = null;
        try 
            // 构造zipInputStream
            zipInputStream= new ZipInputStream(zipFileStream);
            ZipEntry zipEntry = zipInputStream.getNextEntry();
            while(zipEntry != null)
                // 如果目录
                if (zipEntry.getName().endsWith("/") || zipEntry.getName().endsWith("\\"))
                    File dir = new File(targetPath +
                    zipEntry.getName().substring(0,zipEntry.getName().length()-1));
                    if (!dir.exists())
                        dir.mkdirs();
                    
                else 
                    // 是文件
                    File tmp = new File(targetPath+zipEntry.getName());
                    if (!tmp.exists())
                        // 先判断父路径是否存在
                        tmp.getParentFile().mkdirs();
                        // 输出流生成新文件
                        OutputStream outputStream = new FileOutputStream(tmp);
                        byte[] buf = new byte[102400];
                        int n=0;
                        while((n=zipInputStream.read(buf))!= -1)
                            outputStream.write(buf, 0, n);
                            outputStream.flush();
                        
                        outputStream.close();
                    
                
                zipInputStream.closeEntry();
                zipEntry = zipInputStream.getNextEntry();
            

         finally 
            // 关闭流
            if (zipInputStream != null) 
                try 
                    zipInputStream.close();
                 catch (IOException e)