ADD file via upload

main.py

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+import tkinter as tk
+from tkinter import messagebox, simpledialog
+from tkinter import ttk
+import json
+from datetime import datetime
+
+class HomeworkManager:
+    def __init__(self, root):
+        self.root = root
+        self.root.title("作业管理系统")
+        self.homework_list = []
+
+        self.frame = tk.Frame(self.root)
+        self.frame.pack(pady=10)
+
+        self.label = tk.Label(self.frame, text="作业列表")
+        self.label.pack()
+
+        self.tree = ttk.Treeview(self.frame, columns=("描述", "截止日期", "优先级", "状态"), show="headings")
+        self.tree.heading("描述", text="描述")
+        self.tree.heading("截止日期", text="截止日期")
+        self.tree.heading("优先级", text="优先级")
+        self.tree.heading("状态", text="状态")
+        self.tree.pack(pady=10)
+
+        self.add_button = tk.Button(self.frame, text="添加作业", command=self.add_homework)
+        self.add_button.pack(side=tk.LEFT, padx=10)
+
+        self.delete_button = tk.Button(self.frame, text="删除作业", command=self.delete_homework)
+        self.delete_button.pack(side=tk.LEFT, padx=10)
+
+        self.details_button = tk.Button(self.frame, text="查看详情", command=self.view_details)
+        self.details_button.pack(side=tk.LEFT, padx=10)
+
+        self.complete_button = tk.Button(self.frame, text="标记为完成", command=self.mark_as_completed)
+        self.complete_button.pack(side=tk.LEFT, padx=10)
+
+        self.stats_button = tk.Button(self.frame, text="查看统计", command=self.view_stats)
+        self.stats_button.pack(side=tk.LEFT, padx=10)
+
+        self.save_button = tk.Button(self.frame, text="保存作业", command=self.save_homework)
+        self.save_button.pack(side=tk.LEFT, padx=10)
+
+        self.load_button = tk.Button(self.frame, text="加载作业", command=self.load_homework)
+        self.load_button.pack(side=tk.LEFT, padx=10)
+
+    def add_homework(self):
+        description = simpledialog.askstring("输入", "输入作业描述：")
+        if description:
+            due_date = simpledialog.askstring("输入", "输入截止日期（YYYY-MM-DD）：")
+            priority = simpledialog.askstring("输入", "输入优先级（高/中/低）：")
+            try:
+                due_date = datetime.strptime(due_date, '%Y-%m-%d').date()
+            except ValueError:
+                messagebox.showwarning("无效日期", "截止日期格式应为YYYY-MM-DD")
+                return
+            self.homework_list.append({"描述": description, "截止日期": str(due_date), "优先级": priority, "状态": "未完成"})
+            self.update_treeview()
+
+    def delete_homework(self):
+        selected_item = self.tree.selection()
+        if selected_item:
+            index = self.tree.index(selected_item)
+            del self.homework_list[index]
+            self.update_treeview()
+        else:
+            messagebox.showwarning("警告", "未选择任何作业进行删除")
+
+    def view_details(self):
+        selected_item = self.tree.selection()
+        if selected_item:
+            index = self.tree.index(selected_item)
+            hw = self.homework_list[index]
+            message = f"描述: {hw['描述']}\n截止日期: {hw['截止日期']}\n优先级: {hw['优先级']}\n状态: {hw['状态']}"
+            messagebox.showinfo("作业详情", message)
+        else:
+            messagebox.showwarning("警告", "未选择任何作业查看详情")
+
+    def mark_as_completed(self):
+        selected_item = self.tree.selection()
+        if selected_item:
+            index = self.tree.index(selected_item)
+            self.homework_list[index]['状态'] = "已完成"
+            self.update_treeview()
+        else:
+            messagebox.showwarning("警告", "未选择任何作业进行标记")
+
+    def view_stats(self):
+        total_homework = len(self.homework_list)
+        completed_homework = sum(1 for hw in self.homework_list if hw["状态"] == "已完成")
+        message = f"总作业数: {total_homework}\n已完成作业数: {completed_homework}\n未完成作业数: {total_homework - completed_homework}"
+        messagebox.showinfo("统计信息", message)
+
+    def save_homework(self):
+        with open("homework_list.json", "w", encoding='utf-8') as f:
+            json.dump(self.homework_list, f, ensure_ascii=False, indent=4)
+        messagebox.showinfo("保存", "作业列表已成功保存")
+
+    def load_homework(self):
+        try:
+            with open("homework_list.json", "r", encoding='utf-8') as f:
+                self.homework_list = json.load(f)
+            self.update_treeview()
+            messagebox.showinfo("加载", "作业列表已成功加载")
+        except FileNotFoundError:
+            messagebox.showwarning("加载", "未找到保存的作业列表")
+
+    def update_treeview(self):
+        self.tree.delete(*self.tree.get_children())
+        for hw in self.homework_list:
+            self.tree.insert("", tk.END, values=(hw["描述"],hw["截止日期"], hw["优先级"], hw["状态"]))
+
+if __name__ == "__main__":
+    root = tk.Tk()
+    app = HomeworkManager(root)
+    root.mainloop()