So realisieren Sie die Echtzeit-Aufzeichnungs- und Auswertungsfunktion des Antwortvorgangs bei der Online-Antwort

var startTime = new Date().getTime();

function recordAnswer(questionId, answer) {
    var currentTime = new Date().getTime();
    var elapsedTime = currentTime - startTime;

    // 通过Ajax请求将问题ID、答案和答题时间提交到服务端
    $.ajax({
        url: 'recordAnswer.php',
        method: 'POST',
        data: {
            questionId: questionId,
            answer: answer,
            elapsedTime: elapsedTime
        },
        success: function(response) {
            console.log('答题记录成功');
        },
        error: function() {
            console.log('答题记录失败');
        }
    });
}

// 调用recordAnswer函数记录学生的答题过程
recordAnswer(1, 'A');

import numpy as np

def evaluateAnswerTimes(answerTimes):
    # 将答题时间转换为秒数
    answerTimes = [int(time / 1000) for time in answerTimes]

    # 计算平均答题时间
    avgTime = np.mean(answerTimes)

    # 计算最短答题时间
    minTime = np.min(answerTimes)

    # 计算最长答题时间
    maxTime = np.max(answerTimes)

    return avgTime, minTime, maxTime

# answerTimes为学生答题的时间记录列表
answerTimes = [5500, 6800, 4300, 5100, 7100]
avgTime, minTime, maxTime = evaluateAnswerTimes(answerTimes)

print('平均答题时间：', avgTime)
print('最短答题时间：', minTime)
print('最长答题时间：', maxTime)

function provideFeedback(questionId) {
    // 通过Ajax请求获取问题的参考答案
    $.ajax({
        url: 'getAnswer.php',
        method: 'GET',
        data: {
            questionId: questionId
        },
        success: function(response) {
            var correctAnswer = response.answer;

            // 根据参考答案给出不同的提示
            if (correctAnswer === 'A') {
                console.log('正确答案是A');
            } else {
                console.log('请再仔细思考一下');
            }
        },
        error: function() {
            console.log('获取参考答案失败');
        }
    });
}

// 调用provideFeedback函数给出答案提示
provideFeedback(1);