java压缩文件夹内的内容（包含文件夹）

由于部署的时候需要把文件夹内所有内容打包为zip文件传输到另外一个平台中。
昨天百度了很久找不到，今天整理一下这个方法

import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

/**
 * @author pengzhihui
 */
public class Common {
    private static final int BUFFER_SIZE = 2 * 1024;

    /**
     * @param srcDir 压缩文件夹路径
     * @param out 压缩文件输出流
     * @param KeepDirStructure 是否保留原来的目录结构,
     *          true:保留目录结构;
     *          false:所有文件跑到压缩包根目录下(注意：不保留目录结构可能会出现同名文件,会压缩失败)
     * @throws RuntimeException 压缩失败会抛出运行时异常
     */
    public static void toZip(String[] srcDir, String outDir,
                             boolean KeepDirStructure) throws RuntimeException, Exception {

        OutputStream out = new FileOutputStream(new File(outDir));

        long start = System.currentTimeMillis();
        ZipOutputStream zos = null;
        try {
            zos = new ZipOutputStream(out);
            List<File> sourceFileList = new ArrayList<File>();
            for (String dir : srcDir) {
                File sourceFile = new File(dir);
                sourceFileList.add(sourceFile);
            }
            compress(sourceFileList, zos, KeepDirStructure);
            long end = System.currentTimeMillis();
            System.out.println("压缩完成，耗时：" + (end - start) + " ms");
        } catch (Exception e) {
            throw new RuntimeException("zip error from ZipUtils", e);
        } finally {
            if (zos != null) {
                try {
                    zos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }

    /**
     * 递归压缩方法
     * @param sourceFile 源文件
     * @param zos zip输出流
     * @param name 压缩后的名称
     * @param KeepDirStructure 是否保留原来的目录结构,
     *          true:保留目录结构;
     *          false:所有文件跑到压缩包根目录下(注意：不保留目录结构可能会出现同名文件,会压缩失败)
     * @throws Exception
     */
    private static void compress(File sourceFile, ZipOutputStream zos,
                                 String name, boolean KeepDirStructure) throws Exception {
        byte[] buf = new byte[BUFFER_SIZE];
        if (sourceFile.isFile()) {
            zos.putNextEntry(new ZipEntry(name));
            int len;
            FileInputStream in = new FileInputStream(sourceFile);
            while ((len = in.read(buf)) != -1) {
                zos.write(buf, 0, len);
            }
            // Complete the entry
            zos.closeEntry();
            in.close();
        } else {
            File[] listFiles = sourceFile.listFiles();
            if (listFiles == null || listFiles.length == 0) {
                if (KeepDirStructure) {
                    zos.putNextEntry(new ZipEntry(name + "/"));
                    zos.closeEntry();
                }

            } else {
                for (File file : listFiles) {
                    if (KeepDirStructure) {
                        compress(file, zos, name + "/" + file.getName(),
                                KeepDirStructure);
                    } else {
                        compress(file, zos, file.getName(), KeepDirStructure);
                    }

                }
            }
        }
    }

    private static void compress(List<File> sourceFileList,
                                 ZipOutputStream zos, boolean KeepDirStructure) throws Exception {
        byte[] buf = new byte[BUFFER_SIZE];
        for (File sourceFile : sourceFileList) {
            String name = sourceFile.getName();
            if (sourceFile.isFile()) {
                zos.putNextEntry(new ZipEntry(name));
                int len;
                FileInputStream in = new FileInputStream(sourceFile);
                while ((len = in.read(buf)) != -1) {
                    zos.write(buf, 0, len);
                }
                zos.closeEntry();
                in.close();
            } else {
                File[] listFiles = sourceFile.listFiles();
                if (listFiles == null || listFiles.length == 0) {
                    if (KeepDirStructure) {
                        zos.putNextEntry(new ZipEntry(name + "/"));
                        zos.closeEntry();
                    }

                } else {
                    for (File file : listFiles) {
                        if (KeepDirStructure) {
                            compress(file, zos, name + "/" + file.getName(),
                                    KeepDirStructure);
                        } else {
                            compress(file, zos, file.getName(),
                                    KeepDirStructure);
                        }

                    }
                }
            }
        }
    }


    public static void main(String[] args) throws Exception {

        String[] srcDir = { "C:\\Users\\Administrator\\Desktop\\moban3789\\assets",
                "C:\\Users\\Administrator\\Desktop\\moban3789\\vendor",
                "C:\\Users\\Administrator\\Desktop\\moban3789\\index.html",
                "C:\\Users\\Administrator\\Desktop\\moban3789\\说明.htm",
        };
        String outDir = "C:\\Users\\Administrator\\Desktop\\aaa.zip";
        toZip(srcDir, outDir, true);
    }
}

用了一下这个方法贼舒服。