完善功能
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out/*
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.idea/*
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note.iml
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*.iml
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start7410
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1+
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成长路上，有快乐，有幸福;有苦涩，有艰辛。成长告诉我，我不再是那个淘气的孩子，我长大了;成长告诉我珍惜光阴;成长告诉我珍惜友谊;成长告诉我和家人心连着心;下面是有有关成长的优美散文，欢迎参阅。
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start7410
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2+
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有关成长的优美散文：在体验中成长生活丰富多彩，探索它也是很有趣的。
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实践也是生活的一部分，也让我们更加多姿多彩，也让我们得到很多。
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一次集体旅行，让我们得到快乐;一次搞卫生，让我们体味到劳动的艰辛;一次来之不易的成功，让我们体会到付出的重要，明白了奋斗的可贵。
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start7410
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3+
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如今社会步入小康，百姓们再也不用像以前一样担忧粮食了。每当到吃饭时间，父母总是做好饭喊我吃，我就只要乖乖吃饭就可以了。
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有一次我突然想，每次都是父母做饭，我总也要实践一下吧，于是乎，我经过父母的允许，准备自己弄一顿饭。
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start7410
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4+
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买菜。
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“选菜是自己要仔细看，别选些坏的……”“得买2，3元洋葱，对了，盐不多了，买些盐……”刚出门，妈妈生怕我不知道，忙说了大堆话，“好好好”，我含糊的回答后便小跑迅速离开，去菜市场的路上我都在想着该买的东西，不时的回想。因为以前随父母来过，所以我很快到了。菜市场气氛不多说，肯定是喧闹的，买几个辣椒，随便在小摊上拿上几个，之后付钱。
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我初次买，实在不好说，连价都不知道砍，肯定被商家赚到了一些。不过有几个买菜老板很热情，一见我来买菜，忙客气的招呼，过了好久，我觉得差不多了，又仔细的回忆一下，嗯，应该没漏，没多留后飞奔似的回家。
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package top.dreamcenter.note;
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import javax.swing.*;
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import javax.swing.text.BadLocationException;
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import java.awt.*;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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import java.io.*;
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import java.net.URL;
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import java.util.LinkedList;
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import java.util.List;
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public class Main {
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private static final int TOTAL_PAGE = 3650;
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private static final String MARK = "start7410";
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private static File file = new File("data/data.txt");
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public static void main(String[] args) {
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JFrame jf = new JFrame("日记本");
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JFrame jf = new JFrame("日记本 [F5 上一页; F6 下一页; F7 保存]");
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jf.setSize(800, 1020);
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jf.setResizable(false);
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jf.setLocationRelativeTo(null);
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jf.getContentPane().setLayout(null);
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jf.setBackground(Color.WHITE);
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jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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jf.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
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// 内容面板穿透
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JPanel imPanel=(JPanel) jf.getContentPane();
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@ -31,55 +42,165 @@ public class Main {
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JLabel backgroundLabel = new JLabel(new ImageIcon(newimg));
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backgroundLabel.setBounds(0, 0, jf.getWidth() , jf.getHeight());
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// 数据
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final int[] curPage = {0};
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LinkedList<String> contentlist = new LinkedList<>();
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LinkedList<String> dateList = new LinkedList<>();
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initList(contentlist, dateList);
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// 页号
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JLabel pageNo = new JLabel(String.valueOf(curPage[0]));
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pageNo.setFont(new Font("Segoe Script", Font.PLAIN, 20));
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pageNo.setHorizontalAlignment(JLabel.RIGHT);
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pageNo.setBounds(330,40,60,40);
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// 日期
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JTextField date = new JTextField(dateList.get(curPage[0]));
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date.setBorder(null);
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date.setFont(new Font("Segoe Script", Font.PLAIN, 18));
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date.setBounds(100,45,130,30);
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// 文本行
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JTextArea textArea = new JTextArea();
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JTextArea textArea = new JTextArea(contentlist.get(curPage[0]));
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textArea.setFont(new Font(null, Font.PLAIN, 36));
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textArea.setOpaque(false); // 透明背景
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textArea.setLineWrap(true); // 自动换行
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textArea.setTabSize(2);
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textArea.setBounds(20, 90, jf.getWidth() - 40, jf.getHeight() - 140);
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int maxRows = 19;
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date.addKeyListener(new KeyAdapter() {
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@Override
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public void keyReleased(KeyEvent e) {
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dateList.set(curPage[0], date.getText());
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}
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});
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textArea.addKeyListener(new KeyAdapter() {
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@Override
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public void keyReleased(KeyEvent e) {
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try {
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int len = textArea.getText().length();
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Rectangle rec = textArea.modelToView(len);
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// 最大行数
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int line = rec.y / rec.height + 1;
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// 超出部分逻辑判断
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if (line > maxRows) {
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int i = len - 1;
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for (; i >= 0; i--) {
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Rectangle rec0 = textArea.modelToView(i);
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int tmpLine = rec0.y / rec0.height + 1;
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if (tmpLine <= maxRows){
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i++;
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break;
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}
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contentlist.set(curPage[0], textArea.getText());
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switch (e.getKeyCode()) {
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case KeyEvent.VK_F5 -> { // 上一页
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if (curPage[0] > 0) {
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contentlist.set(curPage[0], textArea.getText());
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dateList.set(curPage[0], date.getText());
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curPage[0]--;
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pageNo.setText(String.valueOf(curPage[0]));
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textArea.setText(contentlist.get(curPage[0]));
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date.setText(dateList.get(curPage[0]));
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}
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System.out.println("超出行数字符串内容：" + textArea.getText(i, len - i));
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textArea.setText(textArea.getText(i, len - i));
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}
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} catch (BadLocationException badLocationException) {
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badLocationException.printStackTrace();
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case KeyEvent.VK_F6 -> { // 下一页
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if (curPage[0] < TOTAL_PAGE) {
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contentlist.set(curPage[0], textArea.getText());
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dateList.set(curPage[0], date.getText());
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curPage[0]++;
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pageNo.setText(String.valueOf(curPage[0]));
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textArea.setText(contentlist.get(curPage[0]));
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date.setText(dateList.get(curPage[0]));
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}
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}
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case KeyEvent.VK_F7 -> { // 保存
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saveData(contentlist, dateList);
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}
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}
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}
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});
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jf.addWindowListener(new WindowAdapter() {
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public void windowClosing(WindowEvent e) {
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int confirm = JOptionPane.showConfirmDialog(jf, "是否保存并退出?", "保存退出", JOptionPane.YES_NO_CANCEL_OPTION);
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if (confirm == JOptionPane.YES_OPTION) {
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saveData(contentlist, dateList);
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System.exit(0);
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} else if (confirm == JOptionPane.NO_OPTION) {
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System.exit(0);
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}
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}
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});
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// 添加组件
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jf.getLayeredPane().add(backgroundLabel, Integer.valueOf(Integer.MIN_VALUE));
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jf.getContentPane().add(date);
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jf.getContentPane().add(pageNo);
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jf.getContentPane().add(textArea);
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jf.setVisible(true);
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}
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private static void initList(List<String> contentList, List<String> dateList) {
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if (!file.exists()) {
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try {
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boolean createResult = file.createNewFile();
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if (!createResult) {
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JOptionPane.showMessageDialog(null, "数据文件创建失败", "警告", JOptionPane.WARNING_MESSAGE);
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}
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} catch (IOException e) {
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e.printStackTrace();
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JOptionPane.showMessageDialog(null, "IO错误:" + e.getMessage(), "错误", JOptionPane.ERROR_MESSAGE);
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}
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}
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for (int i = 0; i < TOTAL_PAGE; i++){
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contentList.add("");
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dateList.add("");
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}
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try (BufferedReader br = new BufferedReader(
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new InputStreamReader(new FileInputStream(file)))) {
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String tmp;
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StringBuilder sb = new StringBuilder();
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int page = -1;
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String date = "";
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while ((tmp = br.readLine()) != null) {
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if (MARK.equals(tmp)) {
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if (page != -1) {
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dateList.set(page - 1, date);
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contentList.set(page - 1, sb.toString());
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sb.delete(0, sb.length());
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}
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String[] part = br.readLine().split("\\+");
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page = Integer.parseInt(part[0]);
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if (part.length == 2){
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date = part[1];
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}
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} else {
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sb.append(tmp).append("\n");
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}
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}
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if (page != -1) {
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dateList.set(page - 1, date);
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contentList.set(page - 1, sb.toString());
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private static void saveData(List<String> contentList, List<String> dateList){
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try (BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)))) {
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for (int i = 0; i < TOTAL_PAGE; i++) {
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String date = dateList.get(i);
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String content = contentList.get(i);
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if (!"".equals(date) || !"".equals(content)) {
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bw.write(MARK);
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bw.newLine();
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bw.write(String.valueOf(i + 1));
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bw.write("+");
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bw.write(date);
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bw.newLine();
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bw.write(content);
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bw.newLine();
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}
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}
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JOptionPane.showMessageDialog(null, "保存成功！", "消息", JOptionPane.INFORMATION_MESSAGE);
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} catch (IOException e) {
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e.printStackTrace();
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JOptionPane.showMessageDialog(null, "保存失败:" + e.getMessage(), "错误", JOptionPane.ERROR_MESSAGE);
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}
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}
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}
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Reference in New Issue