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  • ZipUtil

    /*
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    package cast.c514.transfer.util;

    import java.io.File;
    import java.io.FileOutputStream;
    import java.io.IOException;
    import java.io.InputStream;
    import java.nio.charset.Charset;
    import java.util.zip.ZipEntry;
    import java.util.zip.ZipInputStream;

    /**
     *
     * @author cuizhf
     */
    public class MyZipUtil {

        private MyZipUtil() {
        }

        /**
         * 执行压缩文件的解压,并自动生成文件的操作
         *
         * @throws java.io.IOException
         * @see http://blog.csdn.net/isea533/article/details/7995472
         * @param in
         * @param outputDirectory
         */
        public static void unZip(InputStream in, String outputDirectory) throws IOException {
            // 通过Charset.forName("GBK")解决乱码问题
            try (ZipInputStream zins = new ZipInputStream(in, Charset.forName("GBK"))) {
                ZipEntry ze;
                byte[] ch = new byte[256];
                while ((ze = zins.getNextEntry()) != null) {
                    File zfile = new File(outputDirectory + File.separator + ze.getName());
                    File fpath = new File(zfile.getParentFile().getPath());
                    if (ze.isDirectory()) {
                        if (!zfile.exists()) {
                            zfile.mkdirs();
                        }
                        zins.closeEntry();
                    } else {
                        if (!fpath.exists()) {
                            fpath.mkdirs();
                        }
                        try (FileOutputStream fouts = new FileOutputStream(zfile)) {
                            int i;
                            while ((i = zins.read(ch)) != -1) {
                                fouts.write(ch, 0, i);
                            }
                            zins.closeEntry();
                        }
                    }
                }
            }
        }
    }

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  • 原文地址:https://www.cnblogs.com/cuizhf/p/7566679.html
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