WELearn网课助手

悬浮窗显示we learn随行课堂题目答案,不支持班级测试;自动答题;挂机时长;开放自定义参数

当前为 2020-06-08 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         WELearn网课助手
// @namespace    http://tampermonkey.net/
// @version      0.7.2
// @description  悬浮窗显示we learn随行课堂题目答案,不支持班级测试;自动答题;挂机时长;开放自定义参数
// @author       SSmJaE
// @match        https://centercourseware.sflep.com/*
// @connect      *
// @license      GPL-3.0
// @compatible   chrome
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_setClipboard
// @require      https://unpkg.com/sweetalert/dist/sweetalert.min.js
// ==/UserScript==
'use strict';

var USER_SETTINGS = JSON.parse(GM_getValue('USER_SETTINGS', JSON.stringify({
    checkInterval: 2000,
    showReference: true,
    autoCopy: true,
    autoSolve: false,
    solveInterval: 1000,
    defaultBlankAnswer: 'Default answer.',
    autoRefresh: false,
    randomRefresh: false,
    refreshInterval: 5,
    refreshIntervalMax: 10,
    collapsible: false,
    debugMode: false,
})))
const ANSWER_TYPES = [
    'et-tof', //判断题
    'et-blank', //问答题+填空题
    'et-select', //下拉选择题
    'et-choice', //选择题(二选一,多选)
    'et-matching', //连线题
    'et-reference', //口语参考
    'wordDeclaration', //单词测试
    'correctresponse value', //identifier类型
    'itemBody textEntryInteraction', //泛读课程问答题
];
const PARSER = new DOMParser();
var container, title, setting,
    bufferUrl, bufferTag, bufferLength,
    optionOrder, spanOrder, liOrder, blankOrder, textareaOrder, inputOrder, tofOrder, matchingOrder,
    q = window.document.querySelector, qa = window.document.querySelectorAll;


function create_container() {
    container = document.createElement('div');
    container.id = 'container';
    container.style.visibility = 'hidden';

    title = document.createElement('div');
    title.id = 'containerTitle';
    title.textContent = '参考答案';
    container.appendChild(title);

    setting = document.createElement('img');
    setting.setAttribute('src', 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAASAAAAEgCAMAAAAjXV6yAAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAvVBMVEUAAADT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT1NTT1NPI083T1NTT09PV19bH0M3O19TI1czI08vT1NTL1tDM19HU1NS8zMLG18/T1NTE2M/T1NPT1NPM2dLM19HT1NTG1c7CzcfT1dTT1NPT09O9zsbAy8XP1dPY5ODH1tHJ2NPZ5ODT09PM08zU1NTT1NTAy8XT09PS1tXR1dTT09MAAAAviyF6AAAAPXRSTlMA/vz99/vv+fr28/X48vHw7vTs7gbp7QYGEhIG7hgI4wgI6wjw9BIG8RIG6vHoCAYGBhISBt4I3OgI7BgIl7v3rQAAAAFiS0dEAIgFHUgAAAAJcEhZcwAAXEYAAFxGARSUQ0EAAAo7SURBVHja7Z3nYqM4EIAxshaIcXK5stf2eu+9n97/tS5xshfAgKQpmhHW/Nx1pnwaCVAZVVUCcQNJYS87KYAW5ERk5yZCpvleapMzcjcr1JqloySFwwEoU0wFEAANJ6CMIJkCaAWO8eGhCIQbPyegADwXCygse7gBOWe0YgrFww3Iub1GQMF00IhCGsLqQ5QOkE2SpdkCStUM2QIKH+myBgT9Bo+zUjv3TJoL0HVo68ZaUZRFKVyPt1EA5QOIH5E7DSqXBMjG6Q97/1EMKOYBHO8+iI4uQLzuO7ODGIjM0mwRNdY1mecPLyCIZnX5wzdOANUaaR7aAWnrYPBAXLscDFinPjyYYC4EEA7RNChKXWqkAGIGRCnSLAqgvAFJkyiACqAC6KIB7aRJFEAF0LYB1dIkdOPRN1WmDpDODAIsW10WIMjCD5dIs5gVaSgFUN6ApJEUQAVQAXTJgKSBqEckjaMAKoA2DUgaxpyoOg8tDWNepKkox1MA+UTLBippDmsizUY7IA05JM1APSKaOLgmazv6TvZSdSo88hYuG1BHDCid63C/uG0pAFRvA9Da18xDfYPUDsPbgwkQx+5lAUB3hJjwzAckgWZgfS9luVpeGVUFCCY0L4yY0BO1IdTPq5DZIa+n+QDqWOx7fsm79cDrln06tFsH/FXL44UUIHMIc20i7fJfBVdzogPEhwdvj9bfaWKcsbZohxMDsrT+evUYUnPxeCBa5iuT9cl8rtimZIgA0WqCAFIO51GMGKJMADkhQGnw8OgtgDQAYhihJ49mB3v1nZXO0B7/DUBErv1omNt5pBtWWkgUkEnbwqgJThFAibsAs35e5695+LAjyjx/zq0QPgWYAfVp8JwjYtOel9vJAeXl9ESaoTXqp30CQKDKbGBrTLrzcdhv8aYASmmRGRBwCTReLDMiLmdT8ZnkEOnrEHUgInjOECkG5AoglXj4bG8HUJ8DICYno4LhQKTdRVHrLaE6WTxMc5hmO4CYnmRkKqXxcPmwJUCGFRBWrQJALF4wAGJZpAqShhsQXLGO/Bn5QfTRSg8IdP0FkTCMQlVFgkhLBlHPJ1TVxgBZUk/M0v58OB5pQMNOhtu/WK1JxoCuKTwJOM8GBSSMh8iXyi+bAATuYwGAoPvgpfGgvemC4OQMqEU+6BkAwbvmkh4cIYyeYDzCgAxmU+mTnth9eZElmQCBEQRFqwvrRQGEARSqHhtU3S/Zh36QQzzaQY6MpgC0d8stB93cC/CoAZ2LjnMGP1UCbSICQLAjxykAdfSAOsDf70GAQgxgw6FopGWdoX0UiIcb0I4dUOj8eBJAuFCWJX6kjgWMqNmpAVD8WZ5IQJgqVbyA6LxAAcIUPvEqH7zk4bqCICBcVRGP7sG3c+wHZrgPseeF4gCh8PgN0LSzZAaxAqIKgxZRAXQJgCi9wHhltwEo7gl5gRkErzbEjCd/QL7NJgXQ+k9vLh6Qb3m1AFr/aRPrx+YAeX7ax/oR6Vb2gA6xflwaoONGALG9KG4FEFw3KyBSV1CICiApQKyziRMDfIAwmhUBit1inz2gIF9Qm/8vAVD2yz6qAQUuHKK00jWTWkDcS8+seJCAjN89HHaqRqIBBNox5/Pj+Eq0ysiNwKx4CHaYrc7IWMj9EHGrvbCV+WSAPJ0MtEkxskQGK56xAUg0ay4C1UXXEFEOqCYGdNvEamDFQ5FBt3MbySGjz9SfwANRJm5mOj0grp324SewGfFQHsik1cK0S3pLgA70gBpQXQkqQDQC84Ytf7QBOoK8eZX+IO9AhGuXjWXgyy30L6kBsdTtIQD0GiEgpFd6EMGP9Lb29UsAhBgPm44DDdotLjyA22ZasmI4Z6Img7CRJcggUUSQo3Q+RJsCNDg3CDzuapkA6RiFqOLiAHQ70Mh7oy07IGuZM0gqh9qBD7jrKq6GE8HbBISu5WgZgpEG9GSf7j6GjQKiug/G0gIavi6mL1c6KlP6BpVW4tYWzKEbtmLJlF4KPupveGxvJoP6oW3CO3PIgxm4yXa59rpd0nh6TkAphe3SUvpQxC8/oh38GAKReNTzvcWztHTqHBriec6heUuAjvoBjYsm8RdwH3Uv4rcvtnZOmUN8489gKx+tXptwEp8zfxjmhB5ltHxyBd4IFSCjub8juXrWVk7wuB8t9NF//PH13dNInaKTjToY+a2lVcWIqJlUVeHIoqH+NxkMsAIa5xB0F/6KmPHGT/pP45YZ0EnYLExOmr71NjX/sxKqCQDRjaK7SevebRnm7sIsgNp+utJNo3ZaN9M1DJe21xWD61PZnYVCMBRdu3feTeD7s6pKgWjmLA9KmzmYc30M+ePqLg2gF+dlZDHqWvfe+2f6PuBw3HyYLIPmNiVBvj7ma85zrZ7MmVqU2lpbg6ct5srw3emMHYz6+XJ+THzmD9n5OQKtLWywDWdULfiLu0Es2iIXoKULhe7/yx9i1xpXBfqbFFC1KBBEBMXUpj4wrt16AzfUgFZOFYIBMYrHrP+OEuirBxUe3oV/u1xTKDQQmOGm9elNkT+7+02Iq59u5iMxJw+9wdSPR8OZ6uqDfpXYUbTdj6GW7dntK83x+uo8gYgA0R7hDRPE2LMS9vi9vqcDBHc3eZOY3oZqNZ+QAUI43LSRmJoWM1ESEwkhHtyAuWesgjeWPqAk8svXzk+J39ewL2yt71YdY0z42e45+awJrKrwuIsg/J7VJICcL6Wx2o37/IvASE45hH8NYUB0EtudpG8a2/TdoaOaKKTOCACg9HvGg6XZN/QZIZZD9PKl+0qajW5A9fFraTaaAe2o56DAInbAcFW+cTcaxp8HkYYxIy9qbK3xjQOi/CrfJCBNeAqgDBFJ8yiA8gb0bQG0Lmvzh0LCt0oOEWkaM6Lqk55s/Y1UpKkUQOGibwTSBUiaRAGUOSCdHUwRIPy1jhsHhL85deOASgYVQAVQAVQATUXR0o9OQNJUCqACaEdVBgV7/zcLHmT5CVLY8juCZgBhtsm17eTz8u6fMPp20jTmABHlzlDSbzJmlO+gybOy/ukMtN9K0ziT74E9zK858mqVR+m0IYKV4QoJwxnYaok0kYlARgsbOO9nIHtdN7BxYe9+CNP9I+jkpTSRMZ74XhC1e9AAyllIMxkDipebOEB19ONMmgkO0CE2AMCme00rG4AMinT/p5+je5mmxedYOnHHoB7kl+iPPXMlzQUMyF3H2/g1fqC+jbeiAtAOOBkR3Qx6Buo0jkfz+U2aC8x9xGRW7PuWNJOx86FDxB5h45gxoLtTyUGPGZyNuI8OaSITSeF0TLFNqw3QCZJ3lEDqDy1nq+k9eijGed7nkI7/HjTS/eF6xEjHD2kli/Da/XiOGrtWaAh47d5RqFY3OMdgwuv1DHJax54ZQJ0AoKtO21TruvSTqfw/SZKfr/sml7+e9wxBzOPp9UxuwAOi1vf/wJNj9jzJvqUFNB6F7MEYdcuEsvLsiU7TaZpY1SJ/P6ZOva/dP/+msPgfDnSr8mFBU40AAAAASUVORK5CYII=');
    setting.id = 'container-setting';
    container.appendChild(setting);
    setting.addEventListener('click', () => {
        settingBase.style.display = (settingBase.style.display == 'table') ? 'none' : 'table';
    }, false)

    let style = document.createElement('style');
    style.setAttribute('type', 'text/css');
    style.innerHTML = `
        #container { 
            top: 100px; 
            left: 100px; 
            margin: 0 auto; 
            z-index: 99; 
            border-radius: 8px;
            box-shadow: 0 11px 15px -7px rgba(0,0,0,.2), 0 24px 38px 3px rgba(0,0,0,.14), 0 9px 46px 8px rgba(0,0,0,.12);
            position: absolute; 
            background: rgba(255,255,255,0.95); 
            min-width: 150px;
            max-width: 400px;
            min-height: 100px;
            max-height: 600px; 
            overflow: auto;
        }

        #containerTitle {
            background: rgba(0,0,0,0);
            height: 25px; 
            margin-top: 10px;
            text-align: center; 
            font-size: x-large;
            cursor: move;
        }

        .showAnswer {
            margin: 10px 10px;
            padding: 0px;
            color: orange; 
            font-size: medium;
            font-family: Georgia, 'Times New Roman', Times, serif;
            white-space: pre-wrap;
        }

        #container-setting {
            z-index: 100;
            position: absolute;
            top: 0px;
            left: 0px;
            width: 25px;
            cursor: pointer;
        }

        #container-setting:hover {
            filter: brightness(70%);
        }

        #container-setting-base {
            display: none;
            font-size: 16px;
            width: auto;
            margin: 20px;
            z-index: 101;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(255, 255, 255, 0.95);
            border: black 2px solid;
            border-radius: 20px;
        }

        #container-setting-base div.record {
            margin: 5px 0px;
            display: table-row;
            text-align: center;
        }

        #container-setting-base div.record>label:first-child {
            display: table-cell;
        }

        #container-setting-base input {
            width: 50px;
            height: 25px;
            padding: 0px;
            margin: 0px;
            border: black 1px solid;
            display: table-cell;
            margin: 2px 5px;
            text-align: center;
        }

        #container-setting-base hr {
            margin: 5px;
        }

        #container-setting-base div.right {
            display: table-cell;
            text-align: left;
        }

        #setting-save {
            position: relative;
            margin: 5px;
            left: 50%;
            transform: translate(-55%, 5%);
            border-radius: 10px;
        }

        #container:not(:hover) {
            filter: brightness(98%);
        }

        #container-setting-base .switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 25px;
            margin: 2px 5px;
        }

        #container-setting-base .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }

        #container-setting-base .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 38px;
        }

        #container-setting-base .slider:before {
            position: absolute;
            content: "";
            height: 23px;
            width: 23px;
            left: 1px;
            bottom: 1px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }

        #container-setting-base input:checked+.slider {
            background-color: #2196F3;
        }

        #container-setting-base input:focus+.slider {
            box-shadow: 0 0 1px #2196F3;
        }

        #container-setting-base input:checked+.slider:before {
            transform: translateX(25px);
        }

        #container-setting-base svg.arrow-down {
            position: relative;
            top: 5px;
            left: 0px;
            transform: rotate(180deg);
        }
        
        #container-setting-base div.title {
            font-size: 24px;
            text-align: center;
            cursor: pointer;
        }`;

    let settingBase = document.createElement('div');
    settingBase.id = 'container-setting-base';
    settingBase.innerHTML = `
        <div class="main">
            <div class="title">答案显示
                <svg class="arrow-down" width="24" height="24">
                    <path
                        d="M12 13L8.285 9.218a.758.758 0 0 0-1.064 0 .738.738 0 0 0 0 1.052l4.249 4.512a.758.758 0 0 0 1.064 0l4.246-4.512a.738.738 0 0 0 0-1.052.757.757 0 0 0-1.063 0L12.002 13z"
                        fill-rule="evenodd"></path>
                </svg></div>
            <div class="record">
                <label for="checkInterval">查询延迟</label>
                <input id='checkInterval'>
                <div class="setting right">答案查询间隔,单位毫秒;多久检测一次是否切换了页面,如果页面改变了就会查询答案</div>
            </div>
            <div class="record">
                <label for="showReference">显示参考</label>
                <label class="switch"><input type="checkbox" id='showReference'>
                    <span class="slider"></span>
                </label>
                <div class="setting right">是否显示听力、口语参考(适用视听说)</div>
            </div>
            <div class="record">
                <label for="autoCopy">自动复制</label>
                <label class="switch"><input type="checkbox" id='autoCopy'>
                    <span class="slider"></span>
                </label>
                <div class="setting right">点击答案时,是否自动复制到粘贴板</div>
            </div>
        </div>
        <hr>
        <div class="main">
            <div class="title">答题功能<svg class="arrow-down" width="24" height="24">
                    <path
                        d="M12 13L8.285 9.218a.758.758 0 0 0-1.064 0 .738.738 0 0 0 0 1.052l4.249 4.512a.758.758 0 0 0 1.064 0l4.246-4.512a.738.738 0 0 0 0-1.052.757.757 0 0 0-1.063 0L12.002 13z"
                        fill-rule="evenodd"></path>
                </svg></div>
            <div class="record">
                <label for="autoSolve">自动答题</label>
                <label class="switch"><input type="checkbox" id='autoSolve'>
                    <span class="slider"></span>
                </label>
                <div class="setting right">自动答题开关</div>
            </div>
            <div class="record">
                <label for="solveInterval">答题间隔</label>
                <input id='solveInterval'>
                <div class="setting right">自动答题间隔,单位毫秒</div>
            </div>
            <div class="record">
                <label for="defaultBlankAnswer">默认填空</label>
                <input id='defaultBlankAnswer'>
                <div class="setting right">填空题没有固定|正确答案时,填入的默认值</div>
            </div>
        </div>
        <hr>
        <div class="main">
            <div class="title">挂机功能<svg class="arrow-down" width="24" height="24">
                    <path
                        d="M12 13L8.285 9.218a.758.758 0 0 0-1.064 0 .738.738 0 0 0 0 1.052l4.249 4.512a.758.758 0 0 0 1.064 0l4.246-4.512a.738.738 0 0 0 0-1.052.757.757 0 0 0-1.063 0L12.002 13z"
                        fill-rule="evenodd"></path>
                </svg></div>
            <div class="record">
                <label for="autoRefresh">自动挂机</label>
                <label class="switch"><input type="checkbox" id='autoRefresh'>
                    <span class="slider"></span>
                </label>
                <div class="setting right">是否定时切换下一页,仅用于刷时长</div>
            </div>
            <div class="record">
                <label for="randomRefresh">随机延时</label>
                <label class="switch"><input type="checkbox" id='randomRefresh'>
                    <span class="slider"></span>
                </label>
                <div class="setting right">是否开启随机时长;关闭将以上限为切换时长,开启将取区间内随机时长</div>
            </div>
            <div class="record">
                <label for="refreshInterval">切换下限</label>
                <input id='refreshInterval'>
                <div class="setting right">单位分钟;we learn允许一个页面最多挂30分钟,所以不要大于30</div>
            </div>
            <div class="record">
                <label for="refreshIntervalMax">切换上限</label>
                <input id='refreshIntervalMax'>
                <div class="setting right">单位分钟</div>
            </div>
        </div>
        <hr>
        <div class="main">
            <div class="title">辅助设定<svg class="arrow-down" width="24" height="24">
                    <path
                        d="M12 13L8.285 9.218a.758.758 0 0 0-1.064 0 .738.738 0 0 0 0 1.052l4.249 4.512a.758.758 0 0 0 1.064 0l4.246-4.512a.738.738 0 0 0 0-1.052.757.757 0 0 0-1.063 0L12.002 13z"
                        fill-rule="evenodd"></path>
                </svg></div>
            <div class="record">
                <label for="collapsible">默认折叠</label>
                <label class="switch"><input type="checkbox" id='collapsible'>
                    <span class="slider"></span>
                </label>
                <div class="setting right">默认折叠还是不折叠悬浮窗,开启==折叠,关闭==显示</div>
            </div>
            <div class="record">
                <label for="debugMode">调试模式</label>
                <label class="switch"><input type="checkbox" id='debugMode'>
                    <span class="slider"></span>
                </label>
                <div class="setting right">调试用,正常使用不用开</div>
            </div>
        </div>
        <button id="setting-save">保存&刷新</button>
        `;

    if (!document.querySelector('#container')) {
        document.body.appendChild(container);
        document.body.appendChild(style);
    }
    if (!document.querySelector('#container-setting-base')) {
        document.body.appendChild(settingBase);
    }
    document.querySelectorAll('#container-setting-base .title').forEach(e => {
        e.addEventListener('click', () => {
            e.parentElement.querySelectorAll('.record').forEach(e => {
                e.style.display = (e.style.display == "none") ? "" : "none";
            })
            let arrow = e.querySelector('.arrow-down')
            arrow.style.display = (arrow.style.display == "none") ? "" : "none";
        }, false);
    })
    for (let [key, value] of Object.entries(USER_SETTINGS)) {
        let element = document.querySelector('#' + String(key))
        if (String(value) == "true") {
            element.setAttribute('checked', '');
        } else if (String(value) == "false") {
            continue
        } else {
            element.value = value;
        }
    }
    document.querySelector('#setting-save').addEventListener('click', () => {
        for (let input of document.querySelectorAll('#container-setting-base input')) {
            if (input.value == "on") {
                USER_SETTINGS[input.id] = input.checked;
            } else {
                USER_SETTINGS[input.id] = input.value;
            }
        }
        GM_setValue('USER_SETTINGS', JSON.stringify(USER_SETTINGS));
        location.reload(true);
    }, false);
}

function get_css(ele, prop) {
    return parseInt(window.getComputedStyle(ele)[prop]);
}

/**实现拖动功能*/
function make_draggable(handle, container) {
    let initX, initY,
        draggable = false,
        containerLeft = get_css(container, "left"),
        containerRight = get_css(container, "top");

    handle.addEventListener("mousedown", e => {
        draggable = true;
        initX = e.clientX;
        initY = e.clientY;
    }, false);

    document.addEventListener("mousemove", e => {
        if (draggable === true) {
            var nowX = e.clientX,
                nowY = e.clientY,
                disX = nowX - initX,
                disY = nowY - initY;
            container.style.left = containerLeft + disX + "px";
            container.style.top = containerRight + disY + "px";
        }
    });

    handle.addEventListener("mouseup", e => {
        draggable = false;
        containerLeft = get_css(container, "left");
        containerRight = get_css(container, "top");
    }, false);
};

var collapseFlag = USER_SETTINGS.collapsible;
function make_collapsible(handle, container) {
    if (collapseFlag || USER_SETTINGS.autoRefresh) hide();
    handle.addEventListener("dblclick", e => {
        collapseFlag ? show() : hide();
    }, false);
}

function show() {
    collapseFlag = false;
    for (let element of container.childNodes) {
        if (element.id == 'containerTitle') {
            title.textContent = "参考答案";
            container.style.minWidth = "150px";
            container.style.minHeight = "100px";
            container.style.overflow = "auto";
            continue;
        }
        element.style.display = '';
    }
}

function hide() {
    collapseFlag = true;
    for (let element of container.childNodes) {
        if (element.id == 'containerTitle') {
            title.textContent = "答";
            container.style.minWidth = "20px";
            container.style.minHeight = "50px";
            container.style.overflow = "hidden";
            continue;
        }
        element.style.display = 'none';
    }
}

function autoRefresh() {
    let time = Date.now();
    let buffer = time;
    function generate_random_float() {
        let rate = 1;
        if (USER_SETTINGS.randomRefresh) {
            rate = Math.random();
            let currentRate = USER_SETTINGS.refreshInterval / USER_SETTINGS.refreshIntervalMax;
            if (rate < currentRate) rate = currentRate;
        }
        if (USER_SETTINGS.debugMode) {
            console.log(USER_SETTINGS.refreshIntervalMax * rate * 60 * 1000)
            console.log(Date.now() - buffer)
            console.log(Date.now() - time)
            buffer = Date.now();
        }
        return rate;
    }

    function recur() {
        setTimeout(() => {
            top.document.querySelector('[href="javascript:NextSCO();"]').click();
            recur();
        }, USER_SETTINGS.refreshIntervalMax * generate_random_float() * 60 * 1000);
    }

    if (USER_SETTINGS.autoRefresh) {
        recur();
        if (!GM_getValue('isInformed', false)) {
            swal({
                title: "挂机提示",
                text: "如果后台显示,不一定能自动切换页面",
                icon: "info",
                button: "了解",
            });
            GM_setValue('isInformed', true)
        }
    }
}

function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

function empty_container() {
    container.innerHTML = '';
    container.appendChild(title);
    container.appendChild(setting);
    is_show();
}

function is_show() {
    container.style.visibility = container.childNodes.length > 2 ? 'visible' : 'hidden';
}

function is_change() {
    let currentUrl = location.href;
    if (currentUrl != bufferUrl) {
        empty_container();
        determine_course_type(currentUrl);
    }
    bufferUrl = currentUrl;
}

function determine_course_type(answerUrl) {
    optionOrder = 0;
    blankOrder = 0;
    tofOrder = 0;
    inputOrder = 0;
    spanOrder = 0;
    liOrder = 0;
    textareaOrder = 0;
    matchingOrder = 0;
    bufferTag = undefined;
    let courseInfo = /com\/(.*?)\//.exec(answerUrl)[1];
    let identifier;
    try {
        identifier = /#(.*)\?/.exec(answerUrl)[1];
    } catch (error) { }

    empty_container();
    try {
        setTimeout(() => {
            let manifestUrl = `https://centercourseware.sflep.com/${courseInfo}/resource/manifest.xml`;
            query_manifest(manifestUrl, identifier, courseInfo);

            //直接在当前页面搜索答案
            add_to_container("", document.querySelectorAll('[data-solution]'));
            add_to_container("", document.querySelectorAll('.daan'));
            add_to_container("", document.querySelectorAll('.tianking .tl_daan'));

        }, 2000);

        answerUrl = `https://centercourseware.sflep.com/${courseInfo}/data${identifier}.html`;
        send_ajax_request(answerUrl);

        let extensiveReading = location.href.split('&')[0].replace('web.html?courseurl=', 'data/') + '.xml';
        send_ajax_request(extensiveReading);

    } catch (error) { }
}

function query_manifest(manifestUrl, identifier, courseInfo) {
    fetch(manifestUrl).then(response => response.text()).then(text => {
        try {
            let selector = `resource[identifier="${identifier}"] file`;
            let resource = PARSER.parseFromString(text, 'text/html').querySelector(selector).getAttribute('href');
            let answerUrl = `https://centercourseware.sflep.com/${courseInfo}/${resource}`;
            send_ajax_request(answerUrl);
        } catch (error) { }
    }).catch();
}

function send_ajax_request(answerUrl) {
    fetch(answerUrl).then(response => response.text()).then(text => {
        let htmlDom = PARSER.parseFromString(text, 'text/html');
        if (USER_SETTINGS.debugMode) console.log(htmlDom);
        parse_ajax_response(htmlDom);
    }).catch();
}

function parse_ajax_response(htmlDom) {
    ANSWER_TYPES.map(answerType => htmlDom.querySelectorAll(answerType)).forEach(kindAnswers => add_to_container(htmlDom, kindAnswers));
    is_show();
}

/**通过检测父节点,解决答案重复的问题*/
function isRepeat(answerNode) {
    let parentElement, parentTag;
    let webFlag = 0;
    let mobileFlag = 0;
    try {
        for (let i = 0; i < 9; i++) {
            parentElement = (i == 0) ? answerNode : parentElement.parentElement;

            parentTag = parentElement.tagName;
            if (parentTag == 'ET-MOBILE-ONLY') mobileFlag++;
            if (parentTag == 'ET-WEB-ONLY') webFlag++;
        }
    } catch (error) {
        // if (USER_SETTINGS.debugMode) console.log(error);
    } finally {
        if (webFlag && mobileFlag) { //针对web下嵌套mobile的题目,如视听说2的3-2-3
            if (webFlag > 1) { //针对4重嵌套,unit test常见
                return true;
            } else {
                return false;
            }
        } else if (webFlag) { //web和mobile只留其一,这里保留mobile,丢弃web
            return true;
        } else {
            return false;
        }
    }
}

function ready_in(element) {
    $(element).trigger('click').trigger('focus').trigger('keydown').trigger('input');
}

function event_trigger(element) {
    $(element).trigger('keyup').trigger('change').trigger('blur');
    try {
        angular.element(element).triggerHandler('hover');
        angular.element(element).triggerHandler('keyup');
        angular.element(element).triggerHandler('blur');
    } catch (error) { };
}

/**提取答案,并加入到容器*/
async function add_to_container(htmlDom, answers) {
    //进阶视听说
    let tofOnPaper = document.querySelectorAll('et-tof span.controls span');
    let blankOnPaper = document.querySelectorAll('et-blank span.blank');
    let optionOnPaper = document.querySelectorAll('et-choice li');
    let selectOnPaper = document.querySelectorAll('et-select div');
    let textareaOnPaper = document.querySelectorAll('et-blank textarea.blank');
    let optionSpanOnPaper = document.querySelectorAll('et-choice span');
    // 连线题
    let lineElements = document.querySelectorAll('.line');
    let leftCircles = document.querySelectorAll('circle[data-circle="A"]');
    let rightCircles = document.querySelectorAll('circle[data-circle="B"]');
    //进阶综合
    let inputOnPaper = document.querySelectorAll('input[data-itemtype]');
    let optionLiOnPaper = document.querySelectorAll('li[data-solution]');
    //新世纪综合
    let optionLabelOnPaper = document.querySelectorAll('label[for]');
    let inputPatternOnPaper = document.querySelectorAll('.pattern input[type="text"]');
    //泛读课程
    let optionIdentifierOnPaper = document.querySelectorAll('input[responseidentifier]');

    let textareaFlag = true;
    let bufferAnswer = undefined;
    let showOrder = 0;
    let uniqueUrl = location.href;
    if (answers.length > 0) {

        // if (USER_SETTINGS.debugMode) console.log(optionOnPaper, textareaOnPaper, blankOnPaper);
        for (let i = 0; i < answers.length; i++) {
            if (location.href != uniqueUrl) break;
            if (USER_SETTINGS.debugMode)
                if (!isRepeat(answers[i])) console.log(answers[i]);

            let content = document.createElement('div');
            content.classList.add('showAnswer');
            let hr = document.createElement('hr');

            let tag = answers[i].tagName;
            try {
                switch (tag) {
                    case 'ET-BLANK':
                        if (isRepeat(answers[i])) continue;
                        content.textContent = answers[i].textContent.split("|")[0];

                        if (USER_SETTINGS.autoSolve) {
                            await sleep(USER_SETTINGS.solveInterval);

                            if (answers[i].hasAttribute('block')) { //回答问题
                                if (content.textContent.length) {
                                    ready_in(textareaOnPaper[textareaOrder]);
                                    textareaOnPaper[textareaOrder].textContent = content.textContent;
                                    textareaOnPaper[textareaOrder].value = content.textContent;
                                    event_trigger(textareaOnPaper[textareaOrder]);
                                } else { //有et-blank,但是无答案,不做处理
                                    textareaFlag = false;
                                }
                                textareaOrder++;
                            } else { //普通填空题
                                ready_in(blankOnPaper[blankOrder]);
                                blankOnPaper[blankOrder].textContent = content.textContent;
                                blankOnPaper[blankOrder].value = content.textContent;
                                event_trigger(blankOnPaper[blankOrder]);
                                blankOrder++;
                            }
                        }
                        break;

                    case 'ET-TOF':
                        content.textContent = answers[i].getAttribute('key');

                        if (USER_SETTINGS.autoSolve) {
                            await sleep(USER_SETTINGS.solveInterval);
                            let tofOption;
                            switch (content.textContent) {
                                case 't':
                                case 'T':
                                    tofOption = 2 * tofOrder;
                                    break;
                                case 'f':
                                case 'F':
                                    tofOption = 2 * tofOrder + 1;
                            }
                            tofOnPaper[tofOption].click();
                            tofOrder++;
                        }
                        break;

                    case 'ET-SELECT':
                        content.textContent = answers[i].getAttribute('key');
                        try { //todo 这是哪个类型的题的故障处理?
                            if (!content.textContent.length)
                                content.textContent = answers[i].firstElementChild.textContent;
                        } catch (error) {
                            content.textContent = 'Answers will vary.';
                        }

                        if (USER_SETTINGS.autoSolve) {
                            await sleep(USER_SETTINGS.solveInterval);
                            selectOnPaper[i].classList.add('correct');
                            // ready_in(selectOnPaper[i].querySelector('.key'));
                            selectOnPaper[i].querySelector('select').click();
                            selectOnPaper[i].querySelector('.key').click();
                            angular.element(element).triggerHandler('change');
                            // angular.element(element).triggerHandler('');
                            event_trigger(selectOnPaper[i].querySelector('.key'));
                        }
                        break;

                    case 'ET-CHOICE':
                        if (isRepeat(answers[i])) { //针对有只有inline的情况(视听说2 4-2),也就是说,不能跳
                            if (answers[i].hasAttribute('inline')) {
                                continue;
                            }
                        } //针对视听说2 7-1重复,    
                        content.textContent = answers[i].getAttribute('key');

                        if (USER_SETTINGS.autoSolve) {
                            await sleep(USER_SETTINGS.solveInterval);
                            let targetOption, options, optionCount;
                            let spanFlag = false;

                            try {
                                options = answers[i].getAttribute('key').split(',');
                            } catch (error) {
                                options = ['1'] //不检查答案的选择题
                            }
                            if (USER_SETTINGS.debugMode) console.log(options);

                            if (!(optionCount = answers[i].querySelectorAll('li').length)) {
                                optionCount = answers[i].querySelectorAll('span').length;
                                if (optionCount) {
                                    spanFlag = true;
                                    optionOrder = spanOrder;//这个只解决了li在span之前的问题,如果li在span之后呢?
                                } else {
                                    optionCount = 4; //针对进阶视听说2Practice Test One
                                }
                            } else {
                                optionOrder = liOrder;
                            }

                            for (let option of options) {
                                if (isNaN(parseInt(option))) { //key是字母
                                    targetOption = optionCount * optionOrder + option.toUpperCase().charCodeAt() - 65;
                                } else { //key是数字
                                    targetOption = optionCount * optionOrder + parseInt(option) - 1;
                                }
                                if (USER_SETTINGS.debugMode)
                                    console.log(`题号${optionOrder} span${spanOrder} 选项${targetOption} 选项数${optionCount}`);
                                if (spanFlag && optionCount) {
                                    try {
                                        optionSpanOnPaper[targetOption].click();
                                    } catch (error) {
                                        optionOnPaper[targetOption].click();
                                    }
                                } else {
                                    optionOnPaper[targetOption].click();
                                }
                            }

                            if (spanFlag) { spanOrder++; } else { liOrder++; }
                            optionOrder++;

                        }
                        break;

                    case 'ET-MATCHING':
                        if (isRepeat(answers[i])) continue;
                        content.textContent = answers[i].getAttribute('key').split(',').join('\n\t');

                        if (USER_SETTINGS.autoSolve) {
                            for (let matchingOrder = 0; matchingOrder < answers[i].getAttribute('key').split(',').length; matchingOrder++) {
                                await sleep(USER_SETTINGS.solveInterval);
                                let targetCircle = answers[i].getAttribute('key').split(',')[matchingOrder].split('-')[1] - 1
                                let x1 = leftCircles[matchingOrder].getAttribute('cx');
                                let y1 = leftCircles[matchingOrder].getAttribute('cy');
                                let x2 = rightCircles[targetCircle].getAttribute('cx');
                                let y2 = rightCircles[targetCircle].getAttribute('cy');

                                // ready_in(leftCircles[matchingOrder]);
                                // ready_in(rightCircles[targetCircle]);
                                lineElements[matchingOrder].innerHTML = `<line ng-class="{incorrect:!matching.isKey($parent.$index,b)}" 
                                ng-click="matching.removeLine($parent.$index, b)" ng-repeat="b in cb track by $index" ng-attr-x1="{{matching.circles.xA}}" 
                                ng-attr-x2="{{matching.circles.xB}}" ng-attr-y1="{{matching.circles.A[$parent.$index]}}" ng-attr-y2="{{matching.circles.B[b]}}" 
                                x1="${x1}" x2="${x2}" y1="${y1}" y2="${y2}" class=""></line>`;
                                // event_trigger(lineElements[matchingOrder]);
                                // event_trigger(leftCircles[matchingOrder]);
                                // event_trigger(rightCircles[targetCircle]);
                                // event_trigger(document.querySelector('g.aidLine line'))
                            }
                        }
                        break;

                    case 'ET-REFERENCE':
                        if (!USER_SETTINGS.showReference) continue;
                    case 'WORDDECLARATION':
                        content.innerHTML = answers[i].innerHTML;
                        content.style.whiteSpace = "normal";
                        break;

                    case 'VALUE':
                        let identifier = answers[i].textContent;
                        if (identifier.length == 36) { //选择题
                            if (answers[i].textContent.length == 36) {
                                let selector = `[identifier="${identifier}"]`;
                                try {
                                    content.textContent = htmlDom.querySelector(selector).textContent;
                                    // console.log(content.textContent);
                                    if (!content.textContent) { //泛读课程
                                        content.textContent = document.querySelector(`.container input[value="${identifier}"]`).parentElement.parentElement.textContent;
                                    }
                                } catch (error) {
                                    content.textContent = answers[i].textContent; //高职第七八单元填空

                                }

                                if (USER_SETTINGS.autoSolve) {
                                    await sleep(USER_SETTINGS.solveInterval);
                                    for (let label of optionLabelOnPaper) {
                                        if (label.getAttribute('for').split('_')[1] == identifier) label.click();
                                    }
                                    for (let input of optionIdentifierOnPaper) {
                                        if (input.getAttribute('value') == identifier) {
                                            input.parentElement.parentElement.click();
                                        }
                                    }
                                }
                            } else { //高职,非精编,综合,单元测试
                                content.textContent = answers[i].textContent;
                            }

                        } else if (identifier.length == 73) { //泛读课程连线题
                            let leftMatching = document.querySelector(`[id="${identifier.split('|')[0]}"]`).getAttribute('leftorder');
                            let rightMatching = document.querySelector(`[id="${identifier.split('|')[1]}"]`).getAttribute('rightorder');
                            content.textContent = `${leftMatching}-${rightMatching}`;
                        } else if (identifier.length > 200) { //纠错题
                            let selectors = identifier.split(',');
                            for (let i = 0; i < selectors.length; i++) {
                                let selector = '[identifier="' + selectors[i] + '"]';
                                content.innerHTML += htmlDom.querySelector(selector).textContent + "<br>";
                            }
                            // } else  { //回答问题
                            //     if (USER_SETTINGS.autoSolve) 
                        } else { //填空题
                            content.textContent = answers[i].textContent;

                            if (USER_SETTINGS.autoSolve) {
                                await sleep(USER_SETTINGS.solveInterval);
                                for (let inputAnswer of answers[i].textContent.split(',')) {
                                    try {
                                        inputPatternOnPaper[inputOrder].value = inputAnswer;
                                    } catch (error) {
                                        if (identifier == '(Open.)') {
                                            document.querySelector('.pattern textarea')
                                                .textContent = USER_SETTINGS.defaultBlankAnswer;
                                        } else {
                                            document.querySelector('.pattern textarea').textContent = inputAnswer
                                        };
                                    } finally {
                                        inputOrder++;
                                    }
                                }
                            }
                        }
                        break;

                    case "TEXTENTRYINTERACTION":
                        let textareaIdentifier = answers[i].getAttribute('responseIdentifier');
                        content.textContent = document.querySelector(`[responseIdentifier="${textareaIdentifier}"]`).parentElement.textContent.split('.').slice(1);
                        break;

                    default:
                        if (answers[i].hasAttribute('data-solution')) {
                            let answer = answers[i].getAttribute('data-solution');
                            if (answer.length) { //填空题
                                content.textContent = answer;

                                if (USER_SETTINGS.autoSolve) {
                                    await sleep(USER_SETTINGS.solveInterval);
                                    ready_in(inputOnPaper[inputOrder]);
                                    inputOnPaper[inputOrder].value = answer;
                                    event_trigger(inputOnPaper[inputOrder]);
                                    inputOrder++;
                                }
                            } else { //选择题
                                try {
                                    content.textContent = answers[i].firstElementChild.textContent;
                                } catch (error) {
                                    content.textContent = answers[i].textContent;
                                }

                                if (USER_SETTINGS.autoSolve) {
                                    await sleep(USER_SETTINGS.solveInterval);
                                    optionLiOnPaper[i].click();
                                }
                            }
                        }

                        if (answers[i].classList.contains('daan') || answers[i].classList.contains('tl_daan')) //高职公共
                            if (answers[i].textContent.length)
                                content.textContent = answers[i].textContent.replace('&nbsp;', '');

                }
            } catch (error) {
                if (USER_SETTINGS.debugMode) console.error(error);
            } finally {
                if (content.textContent.length) {
                    content.addEventListener('click', () => {
                        if (USER_SETTINGS.autoCopy)
                            GM_setClipboard(content.textContent.replace(/^\s.*、/, ''), 'text');
                    }, false)
                    let order = showOrder < 9 ? '  ' + String(showOrder + 1) : String(showOrder + 1); //控制序号的宽度一致
                    content.textContent = order + '、' + content.textContent.replace('<br/>', '').replace('<br>', '');
                    showOrder += 1;

                    // let scrollTop = optionOnPaper[targetOption].parentElement.clientTop;
                    // console.log(scrollTop, optionOnPaper[targetOption].parentElement);
                    // top.frames[0].window.scrollTo(0, parseInt(scrollTop));
                } else continue;

                if ((bufferTag !== tag) && (bufferTag !== undefined) && (bufferLength !== 0)) {
                    container.appendChild(hr);
                }
                container.appendChild(content);

                content.offsetWidth; //强制浏览器刷新悬浮窗宽度
                bufferTag = tag;
                bufferLength = content.textContent.length;

                is_show();
                if (collapseFlag) content.style.display = "none";
            }
        }
    } else {
        if (USER_SETTINGS.autoSolve && textareaOnPaper.length > textareaOrder) //无et-blank,但是有textarea
            for (let textarea of textareaOnPaper)
                textarea.textContent = USER_SETTINGS.defaultBlankAnswer;
    }

}

create_container();
make_draggable(title, container);
make_collapsible(title, container);
setInterval(is_change, USER_SETTINGS.checkInterval);
autoRefresh();