From 6cef5f6cce29295eb02e00486e3d068d58d83922 Mon Sep 17 00:00:00 2001 From: purl68fke <1650359169@qq.com> Date: Fri, 13 Jun 2025 20:58:32 +0800 Subject: [PATCH] ADD file via upload --- 最终代码.txt | 273 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 273 insertions(+) create mode 100644 最终代码.txt diff --git a/最终代码.txt b/最终代码.txt new file mode 100644 index 0000000..9b5d74f --- /dev/null +++ b/最终代码.txt @@ -0,0 +1,273 @@ +import javax.swing.*; +import java.awt.*; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.text.ParseException; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Date; +import java.util.List; + +public class Main { + private DefaultListModel listModel; + private JList taskList; + private JTextField taskField; + private JTextField dateField; + private JComboBox priorityComboBox; + private List data = new ArrayList<>(); + + public Main() { + JFrame frame = new JFrame("待办事项列表"); + frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + frame.setSize(600, 600); + + JPanel panel = new JPanel(); + panel.setLayout(new BorderLayout(10, 10)); + + // 设置中文字体 + Font font = new Font("微软雅黑", Font.PLAIN, 14); + UIManager.put("Label.font", font); + UIManager.put("TextField.font", font); + UIManager.put("ComboBox.font", font); + UIManager.put("Button.font", font); + UIManager.put("List.font", font); + UIManager.put("OptionPane.messageFont", font); + + listModel = new DefaultListModel<>(); + taskList = new JList<>(listModel); + taskList.setCellRenderer(new CustomListRenderer()); + panel.add(new JScrollPane(taskList), BorderLayout.CENTER); + + JPanel inputPanel = new JPanel(new GridLayout(4, 2, 10, 10)); + inputPanel.add(new JLabel("任务:")); + taskField = new JTextField(); + inputPanel.add(taskField); + + inputPanel.add(new JLabel("截止日期 (yyyy-mm-dd):")); + dateField = new JTextField(); + inputPanel.add(dateField); + + inputPanel.add(new JLabel("优先级:")); + String[] priorities = {"低", "中", "高"}; + priorityComboBox = new JComboBox<>(priorities); + inputPanel.add(priorityComboBox); + + JPanel buttonPanel = new JPanel(new GridLayout(1, 5, 10, 10)); + JButton addButton = new JButton("添加"); + JButton removeButton = new JButton("删除"); + JButton editButton = new JButton("编辑"); + JButton saveButton = new JButton("保存"); + JButton toggleButton = new JButton("完成"); + + buttonPanel.add(addButton); + buttonPanel.add(removeButton); + buttonPanel.add(editButton); + buttonPanel.add(saveButton); + buttonPanel.add(toggleButton); + + addButton.addActionListener(e -> addTask()); + removeButton.addActionListener(e -> removeTask()); + editButton.addActionListener(e -> editTask()); + saveButton.addActionListener(e -> saveTasks()); + toggleButton.addActionListener(e -> toggleTaskStatus()); + + panel.add(inputPanel, BorderLayout.NORTH); + panel.add(buttonPanel, BorderLayout.SOUTH); + + frame.add(panel); + frame.setVisible(true); + } + + private boolean validateDate(String dateStr) { + SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); + sdf.setLenient(false); + try { + Date date = sdf.parse(dateStr); + Date today = new Date(); + return date.after(today) || date.equals(today); + } catch (ParseException e) { + return false; + } + } + + private void addTask() { + String taskText = taskField.getText().trim(); + String dueDateText = dateField.getText().trim(); + String priority = (String) priorityComboBox.getSelectedItem(); + + if (taskText.isEmpty() || dueDateText.isEmpty()) { + JOptionPane.showMessageDialog(null, "请输入任务和截止日期！"); + return; + } + + if (!validateDate(dueDateText)) { + JOptionPane.showMessageDialog(null, "日期格式不正确或日期已过期！请使用格式：yyyy-mm-dd"); + return; + } + + TaskItem newTask = new TaskItem(taskText, dueDateText, priority); + listModel.addElement(newTask); + data.add(newTask); + taskField.setText(""); + dateField.setText(""); + priorityComboBox.setSelectedIndex(0); + } + + private void removeTask() { + int selectedIndex = taskList.getSelectedIndex(); + if (selectedIndex != -1) { + listModel.remove(selectedIndex); + data.remove(selectedIndex); + } else { + JOptionPane.showMessageDialog(null, "请选择要删除的任务！"); + } + } + + private void editTask() { + int selectedIndex = taskList.getSelectedIndex(); + if (selectedIndex != -1) { + TaskItem item = listModel.getElementAt(selectedIndex); + + String currentTask = item.getTask(); + String currentDueDate = item.getDueDate(); + String currentPriority = item.getPriority(); + + String newTask = JOptionPane.showInputDialog(null, "当前任务: " + currentTask + "\n请输入新任务:", currentTask); + if (newTask == null) return; + + String newDueDate = JOptionPane.showInputDialog(null, "当前截止日期: " + currentDueDate + "\n请输入新截止日期 (yyyy-mm-dd):", currentDueDate); + if (newDueDate == null) return; + + if (!validateDate(newDueDate)) { + JOptionPane.showMessageDialog(null, "日期格式不正确或日期已过期！请使用格式：yyyy-mm-dd"); + return; + } + + String[] priorities = {"低", "中", "高"}; + String newPriority = (String) JOptionPane.showInputDialog( + null, + "请选择优先级:", + "优先级选择", + JOptionPane.QUESTION_MESSAGE, + null, + priorities, + currentPriority + ); + if (newPriority == null) return; + + item.setTask(newTask); + item.setDueDate(newDueDate); + item.setPriority(newPriority); + + taskList.repaint(); + } else { + JOptionPane.showMessageDialog(null, "请选择要编辑的任务！"); + } + } + + private void toggleTaskStatus() { + int selectedIndex = taskList.getSelectedIndex(); + if (selectedIndex != -1) { + TaskItem item = listModel.getElementAt(selectedIndex); + item.toggleCompleted(); + taskList.repaint(); + } else { + JOptionPane.showMessageDialog(null, "请选择要切换状态的任务！"); + } + } + + private void saveTasks() { + JOptionPane.showMessageDialog(null, "任务已保存！"); + } + + public static void main(String[] args) { + SwingUtilities.invokeLater(Main::new); + } +} + +class TaskItem { + private String task; + private String dueDate; + private String priority; + private boolean isCompleted; + + public TaskItem(String task, String dueDate, String priority) { + this.task = task; + this.dueDate = dueDate; + this.priority = priority; + this.isCompleted = false; + } + + public void toggleCompleted() { + isCompleted = !isCompleted; + } + + public boolean isCompleted() { + return isCompleted; + } + + public String getTask() { + return task; + } + + public void setTask(String task) { + this.task = task; + } + + public String getDueDate() { + return dueDate; + } + + public void setDueDate(String dueDate) { + this.dueDate = dueDate; + } + + public String getPriority() { + return priority; + } + + public void setPriority(String priority) { + this.priority = priority; + } + @Override + public String toString() { + return task + " | 截止日期: " + dueDate + " | 优先级: " + priority; + } +} + +class CustomListRenderer extends DefaultListCellRenderer { + @Override + public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { + JLabel label = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus); + + if (value instanceof TaskItem) { + TaskItem task = (TaskItem) value; + + // 使用文字标记任务状态 + String status = task.isCompleted() ? "[完成] " : "[未完成] "; + label.setText(status + task.toString()); + + // 设置不同优先级的颜色 + switch (task.getPriority()) { + case "高": + label.setForeground(Color.RED); + break; + case "中": + label.setForeground(Color.ORANGE); + break; + case "低": + label.setForeground(Color.GREEN); + break; + } + + // 如果任务已完成，添加删除线并变灰 + if (task.isCompleted()) { + label.setFont(label.getFont().deriveFont(Font.PLAIN | Font.ITALIC)); + label.setForeground(Color.GRAY); + } else { + label.setFont(label.getFont().deriveFont(Font.PLAIN)); + } + } + return label; + } +} \ No newline at end of file -- 2.34.1