JAVA开发选择多个文件，系统运行后自动生成ZIP压缩包

本文主要是介绍JAVA开发选择多个文件，系统运行后自动生成ZIP压缩包，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

选择多个文件，系统运行后自动生成ZIP压缩包

- 实现方法
- - 1.1 代码块
  - 1.2 运行结果截取
- 相关知识

实现方法

案例简述：通过启动java代码来打开文件选择器对话框，用户选择确认需要进行压缩的文件，可一次性选择多个文件，选择完毕后点击按钮确认，指定位置自动生成压缩包。

1.1 代码块

import javax.imageio.stream.FileImageInputStream;
import javax.swing.*;
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.zip.ZipOutputStream;
import java.util.zip.ZipEntry;public class FileZipper {//生成文件名public static String GenerateFileName(String filePath,String suffix){String filename;Date date = new Date();SimpleDateFormat dsf = new SimpleDateFormat("yyyyMMddHHss");filename = filePath + dsf.format(date) + " temp" +suffix;return filename;}//选择多个文件，生成压缩包public static void FileZipperByMulties() throws FileNotFoundException {String filePath = "D:\\JAVAFILE\\attachments\\rars\\";JFileChooser fileChooser = new JFileChooser("C:\\Users\\ASUS-PC\\Desktop\\csdn");fileChooser.setMultiSelectionEnabled(true);fileChooser.setDialogTitle("请选择要压缩的文件（可选择多个）");fileChooser.setApproveButtonText("确定");int value = fileChooser.showOpenDialog(null);if(value != JFileChooser.APPROVE_OPTION){return;}File outZipFile = new File(GenerateFileName(filePath,".zip"));File[] files = fileChooser.getSelectedFiles();try(ZipOutputStream zipOutputStream = new ZipOutputStream(new FileOutputStream(outZipFile))){for(File file:files){ZipEntry zipEntry = new ZipEntry(file.getName());zipOutputStream.putNextEntry(zipEntry);try(FileImageInputStream fileImageInputStream = new FileImageInputStream(file)) {byte[] bytes = new byte[1024];int length;while((length = fileImageInputStream.read(bytes))>0){zipOutputStream.write(bytes,0,length);}}}zipOutputStream.closeEntry();} catch (IOException e) {throw new RuntimeException(e);}}public static void main(String[] args) {try{FileZipperByMulties();System.out.println("File compressed successfully!");} catch (FileNotFoundException e) {throw new RuntimeException(e);}}
}