头歌教学课程试题获取脚本

用于获取试题然后保存到电脑:

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获取后效果:

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代码,直接在控制台运行即可:

let elements = document.querySelectorAll('.active___WSsrt');
let i = 0;
let result = '';

function extractText () {
  let text = '';
  let question = document.querySelector(".questionItem___q6Hgu .markdown-body p").innerText;
  text += (i + 1) + '. ' + question + '\n';

  let options = document.querySelectorAll(".answerWrap___G9dnn .renderHtml___UerV1 p");
  for (let i = 0; i < options.length; i++) {
    let option = String.fromCharCode(65 + i);
    text += option + '. ' + options[i].innerText + '\n';
  }

  let answer = document.querySelector(".itemType___pPqzT .ant-row .ant-col span.font16.ml20").innerText;
  text += '答案' + answer.replace('正确答案', '') + '\n\n';

  return text;
}

function download (filename, text) {
  var element = document.createElement('a');
  element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
  element.setAttribute('download', filename);
  element.style.display = 'none';
  document.body.appendChild(element);
  element.click();
  document.body.removeChild(element);
}

setInterval(function () {
  if (i < elements.length) {
    elements[i].click();
    result += extractText();
    i++;
    if (i === elements.length) {
      download("result.txt", result);
    }
  }
}, 500);

posted @ 2023-06-18 22:27  明金同学  阅读(100)  评论(0)    收藏  举报  来源