Java保存文件到桌面的代碼是什么？動(dòng)力節(jié)點(diǎn)小編來(lái)告訴大家。

import javax.swing.filechooser.FileSystemView;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.*;
/**
 * @date 2021/3/15 8:56
 */
public class AutoTest {
    public static void main(String[] args) throws IOException {
        //創(chuàng)建ArrayList集合
        ArrayList<Student> array = new ArrayList<Student>(); 
        //創(chuàng)建學(xué)生對(duì)象
        Student s1 = new Student();
        s1.setStuNo("001");
        s1.setStuName("張三");
        Student s2 = new Student();
        s2.setStuNo("002");
        s2.setStuName("李四");
        Student s3 = new Student();
        s3.setStuNo("003");
        s3.setStuName("王五"); 
        //把學(xué)生對(duì)象添加到集合中
        array.add(s1);
        array.add(s2);
        array.add(s3); 
        FileSystemView systemView = FileSystemView.getFileSystemView();
        File homeDirectory = systemView.getHomeDirectory();
        //桌面路徑
        String path = homeDirectory.getPath();
        System.out.println(path+"-----------------");
 
        //創(chuàng)建字符緩沖輸出流對(duì)象
        BufferedWriter bw = new BufferedWriter(new FileWriter(path+"\\"+"msg.txt")); 
        //遍歷集合，得到每一個(gè)學(xué)生對(duì)象
        for (Student s : array) {
            //把學(xué)生對(duì)象的數(shù)據(jù)拼接成指定格式的字符串
            StringBuilder sb = new StringBuilder();
            sb.append(s.getStuNo()).append(",").append(s.getStuName()); 
            //調(diào)用字符緩沖輸出流對(duì)象的方法寫(xiě)數(shù)據(jù)
            bw.write(sb.toString());
            bw.newLine();
            bw.flush();
        } 
        //釋放資源
        bw.close();
    } 
}