import tkinter as tk from tkinter import ttk, messagebox import matplotlib.pyplot as plt from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg import numpy as np class GradeTrendApp: def __init__(self, root): self.root = root self.root.title("成绩走势图分析系统") self.root.geometry("1000x700") # 存储成绩数据 self.subjects = ["语文", "数学", "英语", "物理", "化学"] self.exam_names = [] self.grades_data = {} # {科目: [成绩列表]} # 初始化各科目成绩列表 for subject in self.subjects: self.grades_data[subject] = [] # 创建UI self.create_widgets() def create_widgets(self): # 主框架 main_frame = ttk.Frame(self.root, padding="10") main_frame.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S)) # 输入区域 input_frame = ttk.LabelFrame(main_frame, text="添加考试成绩", padding="10") input_frame.grid(row=0, column=0, columnspan=2, sticky=(tk.W, tk.E), pady=(0, 20)) # 考试名称 ttk.Label(input_frame, text="考试名称:").grid(row=0, column=0, padx=5) self.exam_name_entry = ttk.Entry(input_frame, width=15) self.exam_name_entry.grid(row=0, column=1, padx=5) # 各科成绩输入 self.grade_entries = {} for i, subject in enumerate(self.subjects): row = i // 3 col = (i % 3) * 2 + 2 ttk.Label(input_frame, text=f"{subject}:").grid(row=row, column=col, padx=(10 if col > 2 else 5, 5)) entry = ttk.Entry(input_frame, width=8) entry.grid(row=row, column=col+1, padx=5) self.grade_entries[subject] = entry # 按钮区域 button_frame = ttk.Frame(input_frame) button_frame.grid(row=2, column=0, columnspan=8, pady=(10, 0)) ttk.Button(button_frame, text="添加成绩", command=self.add_grades).pack(side=tk.LEFT, padx=5) ttk.Button(button_frame, text="清空数据", command=self.clear_data).pack(side=tk.LEFT, padx=5) ttk.Button(button_frame, text="查看统计", command=self.show_statistics).pack(side=tk.LEFT, padx=5) # 图表显示区域 chart_frame = ttk.LabelFrame(main_frame, text="成绩走势图", padding="10") chart_frame.grid(row=1, column=0, columnspan=2, sticky=(tk.W, tk.E, tk.N, tk.S)) # 创建matplotlib图表 self.fig, self.ax = plt.subplots(figsize=(10, 6)) self.fig.patch.set_facecolor('#f0f0f0') self.canvas = FigureCanvasTkAgg(self.fig, master=chart_frame) self.canvas.get_tk_widget().pack(fill=tk.BOTH, expand=True) # 控制选项 control_frame = ttk.Frame(main_frame) control_frame.grid(row=2, column=0, columnspan=2, pady=(10, 0)) ttk.Label(control_frame, text="选择显示科目:").pack(side=tk.LEFT, padx=5) self.selected_subjects = {} for subject in self.subjects: var = tk.BooleanVar(value=True) self.selected_subjects[subject] = var ttk.Checkbutton(control_frame, text=subject, variable=var, command=self.update_chart).pack(side=tk.LEFT, padx=2) # 配置网格权重 self.root.columnconfigure(0, weight=1) self.root.rowconfigure(0, weight=1) main_frame.columnconfigure(0, weight=1) main_frame.rowconfigure(1, weight=1) def add_grades(self): """添加成绩""" exam_name = self.exam_name_entry.get().strip() if not exam_name: messagebox.showwarning("警告", "请输入考试名称！") return # 检查考试名称是否重复 if exam_name in self.exam_names: messagebox.showwarning("警告", f"考试'{exam_name}'已存在！") return grades = [] for subject in self.subjects: grade_str = self.grade_entries[subject].get().strip() if not grade_str: messagebox.showwarning("警告", f"请输入{subject}成绩！") return try: grade = float(grade_str) if grade < 0 or grade > 150: messagebox.showwarning("警告", f"{subject}成绩应在0-150之间！") return grades.append(grade) except ValueError: messagebox.showwarning("警告", f"{subject}成绩格式不正确！") return # 保存数据 self.exam_names.append(exam_name) for i, subject in enumerate(self.subjects): self.grades_data[subject].append(grades[i]) # 清空输入 self.exam_name_entry.delete(0, tk.END) for entry in self.grade_entries.values(): entry.delete(0, tk.END) # 更新图表 self.update_chart() messagebox.showinfo("成功", f"已添加'{exam_name}'的成绩数据！") def clear_data(self): """清空所有数据""" if messagebox.askyesno("确认", "确定要清空所有数据吗？"): self.exam_names.clear() for subject in self.subjects: self.grades_data[subject].clear() self.update_chart() messagebox.showinfo("成功", "数据已清空！") def update_chart(self): """更新图表""" self.ax.clear() if not self.exam_names: self.ax.text(0.5, 0.5, '暂无数据\n请添加考试成绩', ha='center', va='center', fontsize=14) self.canvas.draw() return x = range(len(self.exam_names)) colors = ['#FF6B6B', '#4ECDC4', '#45B7D1', '#96CEB4', '#FFEAA7'] # 绘制选中的科目 for i, subject in enumerate(self.subjects): if self.selected_subjects[subject].get() and self.grades_data[subject]: self.ax.plot(x, self.grades_data[subject], marker='o', label=subject, color=colors[i], linewidth=2, markersize=6) # 标注数值 for j, grade in enumerate(self.grades_data[subject]): self.ax.annotate(str(int(grade)), (j, grade), textcoords="offset points", xytext=(0,10), ha='center', fontsize=9, color=colors[i]) # 设置图表样式 self.ax.set_xlabel('考试名称', fontsize=12) self.ax.set_ylabel('成绩', fontsize=12) self.ax.set_title('成绩走势图', fontsize=14, fontweight='bold') self.ax.set_xticks(x) self.ax.set_xticklabels(self.exam_names, rotation=45, ha='right') self.ax.legend(loc='upper left', bbox_to_anchor=(1, 1)) self.ax.grid(True, alpha=0.3) self.ax.set_ylim(0, 160) # 自动调整布局 self.fig.tight_layout() self.canvas.draw() def show_statistics(self): """显示统计数据""" if not self.exam_names: messagebox.showinfo("提示", "暂无数据可统计！") return stats_window = tk.Toplevel(self.root) stats_window.title("成绩统计分析") stats_window.geometry("500x400") # 创建表格 tree = ttk.Treeview(stats_window, columns=("科目", "平均分", "最高分", "最低分", "最近成绩"), show="headings", height=10) tree.heading("科目", text="科目") tree.heading("平均分", text="平均分") tree.heading("最高分", text="最高分") tree.heading("最低分", text="最低分") tree.heading("最近成绩", text="最近成绩") tree.column("科目", width=80) tree.column("平均分", width=80) tree.column("最高分", width=80) tree.column("最低分", width=80) tree.column("最近成绩", width=80) for subject in self.subjects: if self.grades_data[subject]: avg = np.mean(self.grades_data[subject]) max_grade = max(self.grades_data[subject]) min_grade = min(self.grades_data[subject]) recent = self.grades_data[subject][-1] tree.insert("", tk.END, values=( subject, f"{avg:.1f}", f"{max_grade:.0f}", f"{min_grade:.0f}", f"{recent:.0f}" )) tree.pack(padx=20, pady=20, fill=tk.BOTH, expand=True) # 添加滚动条 scrollbar = ttk.Scrollbar(stats_window, orient=tk.VERTICAL, command=tree.yview) tree.configure(yscrollcommand=scrollbar.set) scrollbar.pack(side=tk.RIGHT, fill=tk.Y) def main(): root = tk.Tk() app = GradeTrendApp(root) root.mainloop() if __name__ == "__main__": main()