java 把文件压缩成 zip

逃离我推掉我的手 2022-09-11 11:18 219阅读 0赞

package org.fh.util;
    
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileOutputStream;
    import java.util.zip.ZipEntry;
    import java.util.zip.ZipOutputStream;
    
    /**
     * 说明：java压缩成zip
     * 作者：FH Admin
     * from：fhadmin.cn
     */
    public class FileZip {
    
    	/**
    	 * @param inputFileName 你要压缩的文件夹(整个完整路径)
    	 * @param zipFileName 压缩后的文件(整个完整路径)
    	 * @throws Exception
    	 */
    	public static Boolean zip(String inputFileName, String zipFileName) throws Exception {
    		zip(zipFileName, new File(inputFileName));
    		return true;
    	}
    
    	private static void zip(String zipFileName, File inputFile) throws Exception {
    		ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName));
    		zip(out, inputFile, "");
    		out.flush();
    		out.close();
    	}
    
    	private static void zip(ZipOutputStream out, File f, String base) throws Exception {
    		if (f.isDirectory()) {
    			File[] fl = f.listFiles();
    			out.putNextEntry(new 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 ZipEntry(base));
    			FileInputStream in = new FileInputStream(f);
    			int b;
    			while ((b = in.read()) != -1) {
    				out.write(b);
    			}
    			in.close();
    		}
    	}
    	
    	 public static void main(String [] temp){       
    		 try {           
    			 zip("E:\\ftl","E:\\test.zip");//你要压缩的文件夹      和  压缩后的文件 
    			 }catch (Exception ex) {       
    				 ex.printStackTrace();    
    			 }   
    		}
    }