sairate
58d6e90c39
- 新增 app.py 和 main.py 文件，实现学生成绩排行榜功能 - 添加 CSV 文件处理逻辑，支持成绩数据导入 - 实现成绩排行榜的图形化展示，包括搜索、重新加载等功能 - 新增成绩统计和可视化功能- 添加 .idea 相关配置文件，配置项目环境和样式
140 lines
4.3 KiB
Python
140 lines
4.3 KiB
Python
import csv
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import tkinter as tk
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from tkinter import ttk, messagebox
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from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
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import matplotlib.pyplot as plt
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def process_csv(filename):
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try:
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with open(filename, 'r', encoding='utf-8-sig') as csvfile:
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reader = csv.DictReader(csvfile)
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data = list(reader)
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data = sorted(data, key=lambda x: int(x['成绩']), reverse=True)
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return data
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except FileNotFoundError:
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messagebox.showerror("错误", f"文件未找到: {filename}")
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return []
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except ValueError:
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messagebox.showerror("错误", "成绩格式错误，请确保为整数")
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return []
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except Exception as e:
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messagebox.showerror("错误", f"处理CSV时出错：{e}")
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return []
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def show_chart(infos, parent):
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import matplotlib
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matplotlib.rcParams['font.sans-serif'] = ['SimHei'] # 支持中文
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matplotlib.rcParams['axes.unicode_minus'] = False
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names = [i['姓名'] for i in infos]
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scores = [int(i['成绩']) for i in infos]
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fig, ax = plt.subplots(figsize=(6, 3))
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ax.bar(names, scores, color='#66b3ff')
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ax.set_title('学生成绩柱状图')
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ax.set_ylabel('成绩')
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ax.set_xlabel('姓名')
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plt.xticks(rotation=45)
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canvas = FigureCanvasTkAgg(fig, master=parent)
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canvas.draw()
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canvas.get_tk_widget().pack(pady=10)
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def display_scores(infos):
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window = tk.Tk()
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window.title('学生成绩排行榜')
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window.geometry('650x700')
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window.configure(bg='#f0f4f7')
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# 标题
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tk.Label(window, text="学生成绩排行榜", bg='#f0f4f7', fg='#336699',
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font=('Arial', 20, 'bold')).pack(pady=10)
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# 搜索框
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search_frame = tk.Frame(window, bg='#f0f4f7')
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search_frame.pack()
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tk.Label(search_frame, text="搜索姓名：", bg='#f0f4f7').pack(side=tk.LEFT)
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search_entry = tk.Entry(search_frame)
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search_entry.pack(side=tk.LEFT)
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# 表格
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columns = ('姓名', '成绩')
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tree = ttk.Treeview(window, columns=columns, show='headings', height=10)
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tree.heading('姓名', text='姓名')
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tree.heading('成绩', text='成绩')
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tree.column('姓名', anchor='center', width=200)
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tree.column('成绩', anchor='center', width=100)
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style = ttk.Style()
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style.configure('Treeview', font=('Arial', 12), rowheight=28)
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style.configure('Treeview.Heading', font=('Arial', 13, 'bold'))
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def populate_table(data):
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for item in tree.get_children():
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tree.delete(item)
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for info in data:
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score = int(info['成绩'])
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tag = 'normal'
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if score >= 90:
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tag = 'excellent'
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elif score < 60:
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tag = 'fail'
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tree.insert('', tk.END, values=(info['姓名'], info['成绩']), tags=(tag,))
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# 打标签上色
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tree.tag_configure('excellent', background='#d4edda') # 绿色
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tree.tag_configure('fail', background='#f8d7da') # 红色
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populate_table(infos)
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tree.pack(pady=10)
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# 成绩统计
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def show_stats(data):
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if not data:
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return
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scores = [int(i['成绩']) for i in data]
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avg = sum(scores) / len(scores)
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highest = max(scores)
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count = len(scores)
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stats_label.config(text=f"平均分：{avg:.2f}，最高分：{highest}，总人数：{count}")
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stats_label = tk.Label(window, bg='#f0f4f7', font=('Arial', 12))
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stats_label.pack(pady=5)
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show_stats(infos)
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# 搜索功能
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def search():
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name = search_entry.get().strip()
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if not name:
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populate_table(infos)
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show_stats(infos)
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return
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filtered = [i for i in infos if name in i['姓名']]
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populate_table(filtered)
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show_stats(filtered)
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tk.Button(search_frame, text="搜索", command=search).pack(side=tk.LEFT, padx=5)
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# 重新加载按钮
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def reload():
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new_data = process_csv('score.csv')
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if new_data:
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nonlocal infos
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infos = new_data
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populate_table(infos)
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show_stats(infos)
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tk.Button(window, text="重新加载成绩", command=reload).pack(pady=10)
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# 可视化柱状图
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show_chart(infos, window)
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window.mainloop()
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if __name__ == "__main__":
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score_data = process_csv('students.csv')
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if score_data:
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display_scores(score_data)
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