日期:2014-05-16 浏览次数:21106 次
1:再压缩前,要设置linux模式, 需要使用第三方ant-1.6.5.jar
  如果是文件目录,则
ZipEntry zipEntry=new ZipEntry(basePath + System.getProperties().getProperty("file.separator"));
zipEntry.setUnixMode(755);//解决linux乱码
 
如果是文件,则
ZipEntry zipEntry=new ZipEntry(base);
zipEntry.setUnixMode(644);//解决linux乱码
然后在输出时强制设置编码:
 ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
             zipFileName));
     out.setEncoding("GBK");//解决linux乱码
全部代码如下:
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipOutputStream;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Expand;
/**
 * 文件夹压缩,支持win和linux
 * 
 * */
public class ZipUtil
{
	/**
	 * @param inputFileName
	 *            输入一个文件夹
	 * @param zipFileName
	 *            输出一个压缩文件夹,打包后文件名字
	 * @throws Exception
	 */
	public static OutputStream zip(String inputFileName, String zipFileName)
			throws Exception
	{
		return zip(zipFileName, new File(inputFileName));
	}
	private static OutputStream zip(String zipFileName, File inputFile)
			throws Exception
	{
		ZipOutputStream out = new ZipOutputStream(new FileOutputStream(
		zipFileName));
		out.setEncoding("UTF-8");// 解决linux乱码 根据linux系统的实际编码设置,可以使用命令
									// vi/etc/sysconfig/i18n 查看linux的系统编码
		zip(out, inputFile, "");
		out.close();
		return out;
	}
	private static void zip(ZipOutputStream out, File f, String base)
			throws Exception
	{
		if (f.isDirectory())
		{ // 判断是否为目录
			File[] fl = f.listFiles();
			// out.putNextEntry(new org.apache.tools.zip.ZipEntry(base + "/"));
			// out.putNextEntry(new ZipEntry(base + "/"));
			ZipEntry zipEntry = new ZipEntry(base
					+ System.getProperties().getProperty("file.separator"));
			zipEntry.setUnixMode(755);// 解决linux乱码
			out.putNextEntry(zipEntry);
			// base = base.length() == 0 ? "" : base + "/";
			base = base.length() == 0 ? "" : base
					+ System.getProperties().getProperty("file.separator");
			for (int i = 0; i < fl.length; i++)
			{
				zip(out, fl[i], base + fl[i].getName());
			}
		}
		else
		{ // 压缩目录中的所有文件
			// out.putNextEntry(new org.apache.tools.zip.ZipEntry(base));
			ZipEntry zipEntry = new ZipEntry(base);
			zipEntry.setUnixMode(644);// 解决linux乱码
			out.putNextEntry(zipEntry);
			FileInputStream in = new FileInputStream(f);
			int b;
			while ((b = in.read()) != -1)
			{
				out.write(b);
			}
			in.close();
		}
	}
	private static void unzip(String sourceZip, String destDir)
			throws Exception {
		try {
			Project p = new Project();
			Expand e = new Expand();
			e.setProject(p);
			e.setSrc(new File(sourceZip));
			e.setOverwrite(false);
			e.setDest(new File(destDir));
			/*
			 * ant下的zip工具默认压缩编码为UTF-8编码, 而winRAR软件压缩是用的windows默认的GBK或者GB2312编码
			 * 所以解压缩时要制定编码格式
			 */
			e.setEncoding("UTF-8"); // 根据linux系统的实际编码设置
			e.execute();
		} catch (Exception e) {
			throw e;
		}
	}
}
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