//package net.src.net; import javax.swing.*; import javax.swing.event.*; import java.awt.*; import java.awt.event.*; import java.io.*; import java.awt.color.*; import java.awt.font.*; import javax.swing.undo.*; public class Note extends JFrame { boo

文件读写// "r", "rw", "rws", or "rwd" File file = new File("look.txt"); System.out.print("请输入日记内容：");