ADD file via upload

app.py

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+import pandas as pd
+import random
+from flask import Flask, render_template, request, redirect, url_for
+
+app = Flask(__name__)
+
+# 读取Excel文件并初始化学生数据
+def load_students(file_path):
+    df = pd.read_excel(file_path, engine='openpyxl')  # 指定引擎
+    students = [{'id': row['学号'], 'name': row['姓名'], 'points': 0} for index, row in df.iterrows()]
+    return students
+
+# 随机点名算法，积分越高，概率越低
+def weighted_random_choice(students):
+    total_weights = sum(1 / (s['points'] + 1) for s in students)
+    random_value = random.uniform(0, total_weights)
+    current_weight = 0
+    for student in students:
+        weight = 1 / (student['points'] + 1)
+        if current_weight + weight >= random_value:
+            return student
+        current_weight += weight
+    return students[-1]
+
+# 点名并到达课堂，积分 +1
+def attend_class(student):
+    student['points'] += 1
+
+# 回答问题并进行加减分
+def answer_question(student, accurate_repeat, answer_score):
+    if accurate_repeat:
+        student['points'] += 0.5
+    else:
+        student['points'] -= 1
+    student['points'] += answer_score
+
+# 加载学生数据
+students = load_students(r'C:\Users\86152\Desktop\新建文件夹 (2)\新建文件夹 (2)\软工学生名单.xlsx')
+
+@app.route('/')
+def index():
+    return render_template('index.html', student={})
+
+@app.route('/call_student')
+def call_student():
+    student = weighted_random_choice(students)
+    attend_class(student)
+    return render_template('index.html', student=student)
+
+@app.route('/ask_question', methods=['GET', 'POST'])
+def ask_question():
+    if request.method == 'POST':
+        # 获取表单传递的 student_id
+        student_id = request.form.get('student_id')
+
+        # 调试打印学号以确保正确传递
+        print(f"传递的学号: {student_id}")
+
+        # 获取前端传递的是否准确重复问题和得分
+        accurate_repeat = request.form.get('accurate_repeat') == 'on'
+        answer_score = float(request.form.get('answer_score', 0))
+
+        # 处理学号为字符串以确保类型一致
+        try:
+            # 确保学号一致时，将 student_id 转换为字符串
+            student = next(s for s in students if str(s['id']) == str(student_id))
+
+            # 更新学生积分
+            answer_question(student, accurate_repeat, answer_score)
+
+        except StopIteration:
+            # 如果找不到对应学号的学生，返回提示信息
+            return "未找到对应学号的学生，请检查输入。"
+
+        return redirect(url_for('index'))
+
+    # 在 GET 请求中随机选择一个学生
+    student = weighted_random_choice(students)
+
+    # 返回带有学生数据的模板
+    return render_template('ask_question.html', student=student)
+
+
+@app.route('/rankings')
+def rankings():
+    sorted_students = sorted(students, key=lambda s: s['points'], reverse=True)
+    return render_template('rankings.html', rankings=sorted_students)
+
+if __name__ == "__main__":
+    app.run(debug=True)