gdhb/core.src/com/hcks/cmfds/commons/util/DownLoadZip.java

package com.hcks.cmfds.commons.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipOutputStream;

public class DownLoadZip {

	// 创建文件夹
	public File createDir(String path) {
		File dirFile = null;
		try {
			dirFile = new File(path);
			if (!(dirFile.exists()) && !(dirFile.isDirectory())) {
				dirFile.mkdirs();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return dirFile;
	}

	// 创建文件
	public File createFile(String path) {
		File file = new File(path);
		try {
			file.createNewFile();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return file;
	}

	// 删除文件
	public boolean delFile(String path) throws Exception {
		boolean result = false;
		File file = new File(path);
		if (file.exists() && file.isFile()) {
			file.delete();
			result = true;
		}
		return result;
	}

	// 删除文件及文件夹
	public boolean delDir(File folder) {
		boolean result = false;
		try {
			String childs[] = folder.list();
			if (childs == null || childs.length <= 0) {
				if (folder.delete()) {
					result = true;
				}
			} else {
				for (int i = 0; i < childs.length; i++) {
					String childName = childs[i];
					String childPath = folder.getPath() + File.separator + childName;
					File filePath = new File(childPath);
					if (filePath.exists() && filePath.isFile()) {
						if (filePath.delete()) {
							result = true;
						} else {
							result = false;
							break;
						}
					} else if (filePath.exists() && filePath.isDirectory()) {
						if (delDir(filePath)) {
							result = true;
						} else {
							result = false;
							break;
						}
					}
				}
			}
			folder.delete();
		} catch (Exception e) {
			e.printStackTrace();
			result = false;
		}
		return result;
	}

	/*  
	  * @param zipFilePath 
	  *            打包文件存放路径 
	  * @param inputFolderName 
	  *            需要打包的文件夹 
	  * @throws Exception 
	  */  
	 public void zip(String zipFilePath, String inputFolderName)  
	   throws Exception {  
	  String zipFileName = zipFilePath; // 打包后文件名字  
	  File zipFile = new File(inputFolderName);  
	  zip(zipFileName, zipFile);  
	 } 
	 
	 private void zip(String zipFileName, File inputFolder) throws Exception {  
	  FileOutputStream fileOut = new FileOutputStream(zipFileName);  
	  ZipOutputStream out = new ZipOutputStream(fileOut);  
	  zip(out, inputFolder, "");  
	  out.close();  
	  fileOut.close();  
	 }
	 private void zip(ZipOutputStream out, File inputFolder, String base)  
	   throws Exception {  
	  if (inputFolder.isDirectory()) {  
	   File[] fl = inputFolder.listFiles();  
	   out.putNextEntry(new org.apache.tools.zip.ZipEntry(base + "/"));  
	   base = base.length() == 0 ? "" : base + "/";  
	   for (int i = 0; i < fl.length; i++) {  
	    zip(out, fl[i], base + fl[i].getName());  
	   }  
	  } else {  
	   out.putNextEntry(new org.apache.tools.zip.ZipEntry(base));  
	   FileInputStream in = new FileInputStream(inputFolder);  
	   int b;  
	   //System.out.println(base);  
	   while ((b = in.read()) != -1) {  
	    out.write(b);  
	   }  
	   in.close();  
	  }  
	 }
}