// ==UserScript==
// @name Welearn Helper
// @namespace http://tampermonkey.net/
// @version 3.0
// @description 显示，填写答案，支持普通填空、长文本填空、选择题、判断题。
// @author Developer
// @match *://welearn.sflep.com/*
// @grant GM_addStyle
// @grant GM_setValue
// @grant GM_getValue
// @license GPL-3.0
// @run-at document-end
// @noframes false
// ==/UserScript==
/*
* ----------------------------------------------------------------------------
* 免责声明
* ----------------------------------------------------------------------------
* 本脚本仅供个人学习和技术研究使用。
* 用户应在符合其所在平台的使用政策和学术诚信原则的前提下使用本脚本。
* 严禁将此脚本用于任何形式的学术不端行为，包括但不限于作弊、抄袭作业等。
* 脚本作者对于因使用此脚本而导致的任何后果不承担任何责任，包括但不限于账号封禁、成绩无效等。
* 您一旦使用此脚本，即表示您已阅读、理解并同意此免责声明。
* ----------------------------------------------------------------------------
*/
(function () {
'use strict';
let originalPanel;
let stealthPanel;
// ---------------- UI 样式 ----------------
GM_addStyle(`
:root {
--panel-bg: #fff;
--panel-border: #e0e0e0;
--panel-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
--button-bg: #f5f5f5;
--button-hover-bg: #e0e0e0;
--button-active-bg: #ccc;
--warning-bg: #ff4d4d;
--warning-hover-bg: #e60000;
--button-text-color: #333;
--border-radius: 8px;
--transition-speed: 0.2s;
}
#welearn-helper-panel {
position: fixed;
z-index: 9999;
background: var(--panel-bg);
border: 1px solid var(--panel-border);
border-radius: var(--border-radius);
padding: 10px;
box-shadow: var(--panel-shadow);
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
cursor: grab;
display: flex;
flex-direction: column;
gap: 10px;
width: 150px;
}
#welearn-helper-panel.dragging, #welearn-stealth-panel-container.dragging {
cursor: grabbing;
user-select: none;
}
#welearn-helper-panel .panel-btn {
padding: 10px 15px;
border: none;
border-radius: calc(var(--border-radius) / 2);
background: var(--button-bg);
color: var(--button-text-color);
cursor: pointer;
font-size: 14px;
font-weight: 500;
transition: background var(--transition-speed);
text-align: center;
}
#welearn-helper-panel .panel-btn:hover {
background: var(--button-hover-bg);
}
#welearn-helper-panel .panel-btn:active {
background: var(--button-active-bg);
}
#welearn-helper-panel .warning-btn {
background: var(--warning-bg);
color: #fff;
}
#welearn-helper-panel .warning-btn:hover {
background: var(--warning-hover-bg);
}
.stealth-btn {
background: #2a9d8f !important;
color: #fff !important;
}
#welearn-stealth-panel-container {
position: fixed;
z-index: 9999;
width: 70px;
height: 70px;
cursor: grab;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
}
#welearn-stealth-panel {
width: 50px;
height: 50px;
border-radius: 50%;
overflow: hidden;
display: grid;
grid-template-areas:
"show fill"
"exit exit";
grid-template-rows: 50% 50%;
grid-template-columns: 50% 50%;
}
.stealth-btn-area {
display: flex;
justify-content: center;
align-items: center;
color: white;
font-size: 8px;
font-weight: bold;
text-align: center;
cursor: pointer;
}
#stealth-show-btn { background-color: #4CAF50; grid-area: show; }
#stealth-fill-btn { background-color: #2196F3; grid-area: fill; }
#stealth-exit-btn { background-color: #F44336; grid-area: exit; }
`);
// ---------------- 获取 iframe 文档 ----------------
function getWorkDoc() {
const iframe = document.querySelector('#contentFrame');
if (iframe && iframe.contentDocument) {
return iframe.contentDocument;
}
return document;
}
// ---------------- 拖动功能 ----------------
let isDragging = false;
let startX, startY, panelX, panelY, currentPanel;
function startDrag(e) {
if (e.target.closest('.panel-btn, .stealth-btn-area')) {
return;
}
e.preventDefault();
isDragging = true;
currentPanel = this;
currentPanel.classList.add('dragging');
startX = e.clientX;
startY = e.clientY;
panelX = currentPanel.offsetLeft;
panelY = currentPanel.offsetTop;
currentPanel.style.transition = 'none';
const iframe = document.querySelector('#contentFrame');
document.addEventListener('mousemove', onMouseMove);
document.addEventListener('mouseup', onMouseUp);
if (iframe && iframe.contentDocument) {
iframe.contentDocument.addEventListener('mousemove', onMouseMove);
iframe.contentDocument.addEventListener('mouseup', onMouseUp);
}
// 当鼠标离开窗口或切换到其他窗口时，结束拖动
window.addEventListener('blur', onMouseUp);
window.addEventListener('mouseleave', onMouseUp);
}
function onMouseMove(e) {
if (!isDragging) return;
e.preventDefault();
const deltaX = e.clientX - startX;
const deltaY = e.clientY - startY;
currentPanel.style.left = `${panelX + deltaX}px`;
currentPanel.style.top = `${panelY + deltaY}px`;
}
function onMouseUp() {
if (!isDragging) return;
isDragging = false;
currentPanel.classList.remove('dragging');
currentPanel.style.transition = '';
GM_setValue('panelTop', currentPanel.offsetTop);
GM_setValue('panelLeft', currentPanel.offsetLeft);
const iframe = document.querySelector('#contentFrame');
document.removeEventListener('mousemove', onMouseMove);
document.removeEventListener('mouseup', onMouseUp);
window.removeEventListener('blur', onMouseUp);
window.removeEventListener('mouseleave', onMouseUp);
if (iframe && iframe.contentDocument) {
iframe.contentDocument.removeEventListener('mousemove', onMouseMove);
iframe.contentDocument.removeEventListener('mouseup', onMouseUp);
}
}
// ---------------- 显示/填写答案 ----------------
// 填空题答案处理
function showFillAnswers(stealthMode = false) {
const doc = getWorkDoc();
const fillableFields = doc.querySelectorAll('input[data-itemtype="input"][data-solution], textarea[data-itemtype="textarea"][data-solution]');
fillableFields.forEach(field => {
const ans = field.getAttribute('data-solution');
const parentDiv = field.closest("div");
if (!parentDiv) return;
let resultDiv = parentDiv.querySelector('div[data-itemtype="result"]');
if (!resultDiv) {
resultDiv = doc.createElement('div');
resultDiv.setAttribute('data-itemtype', 'result');
resultDiv.style.display = 'inline-block';
resultDiv.style.marginLeft = '5px';
parentDiv.appendChild(resultDiv);
}
if (!stealthMode) {
resultDiv.textContent = ans;
resultDiv.style.cssText = `background:#fdfd96; padding:2px 5px; border-radius:3px; display:inline-block; margin-left:5px;`;
} else {
resultDiv.textContent = `(${ans})`;
resultDiv.style.cssText = 'background:none; padding:0; border-radius:0; display:inline-block; margin-left:5px;';
}
});
}
function fillFillAnswers(stealthMode = false) {
const doc = getWorkDoc();
const fillableFields = doc.querySelectorAll('input[data-itemtype="input"][data-solution], textarea[data-itemtype="textarea"][data-solution]');
fillableFields.forEach(field => {
const ans = field.getAttribute('data-solution');
field.value = ans;
field.style.outline = stealthMode ? 'none' : '2px solid red';
});
}
// 选择题 & 判断题答案处理
function showChoiceAnswers(stealthMode = false) {
const doc = getWorkDoc();
const choiceQuestions = doc.querySelectorAll('div[data-controltype="choice"], div[data-controltype="multichoice"]');
choiceQuestions.forEach(qDiv => {
const options = qDiv.querySelectorAll('li');
options.forEach(li => {
if (li.hasAttribute("data-solution") || li.getAttribute("style")?.includes("background: yellow")) {
if (!stealthMode) {
li.style.cssText += "background: #fdfd96 !important; border-radius: 3px;";
} else {
if (!li.querySelector('.stealth-answer-tag')) {
const tag = doc.createElement('span');
tag.textContent = '(Y) ';
tag.className = 'stealth-answer-tag';
tag.style.color = '#4CAF50';
li.prepend(tag);
}
}
} else if (stealthMode) {
const tag = li.querySelector('.stealth-answer-tag');
if (tag) tag.remove();
}
});
});
}
function fillChoiceAnswers(stealthMode = false) {
const doc = getWorkDoc();
const choiceQuestions = doc.querySelectorAll('div[data-controltype="choice"], div[data-controltype="multichoice"]');
choiceQuestions.forEach(qDiv => {
const options = qDiv.querySelectorAll('li');
options.forEach(li => {
if (li.hasAttribute("data-solution") || li.getAttribute("style")?.includes("background: yellow")) {
li.click?.();
li.style.outline = stealthMode ? 'none' : '2px solid red';
}
});
});
}
// ---------------- UI 面板创建与切换 ----------------
function createOriginalPanel() {
const top = GM_getValue('panelTop', 50);
const left = GM_getValue('panelLeft', window.innerWidth - 170);
originalPanel = document.createElement("div");
originalPanel.id = "welearn-helper-panel";
originalPanel.style.top = `${top}px`;
originalPanel.style.left = `${left}px`;
const showBtn = document.createElement("button");
showBtn.textContent = "显示答案";
showBtn.className = "panel-btn";
showBtn.onclick = () => { showFillAnswers(); showChoiceAnswers(); };
const fillBtn = document.createElement("button");
fillBtn.textContent = "填写答案";
fillBtn.className = "panel-btn";
fillBtn.onclick = () => { fillFillAnswers(); fillChoiceAnswers(); };
const warningBtn = document.createElement("button");
warningBtn.textContent = "警告";
warningBtn.className = "panel-btn warning-btn";
warningBtn.onclick = () => alert("填写答案功能极有可能会导致答案无法被识别或产生数据错误，请谨慎使用！");
const stealthBtn = document.createElement("button");
stealthBtn.textContent = "精简模式";
stealthBtn.className = "panel-btn stealth-btn";
stealthBtn.onclick = enterStealthMode;
originalPanel.append(showBtn, fillBtn, warningBtn, stealthBtn);
document.body.appendChild(originalPanel);
originalPanel.addEventListener('mousedown', startDrag);
}
function createStealthPanel() {
const top = GM_getValue('panelTop', 50);
const left = GM_getValue('panelLeft', window.innerWidth - 70);
const container = document.createElement("div");
container.id = "welearn-stealth-panel-container";
container.style.top = `${top}px`;
container.style.left = `${left}px`;
stealthPanel = document.createElement("div");
stealthPanel.id = "welearn-stealth-panel";
const showBtn = document.createElement("div");
showBtn.id = "stealth-show-btn";
showBtn.className = "stealth-btn-area";
showBtn.textContent = "";
showBtn.onclick = () => { showFillAnswers(true); showChoiceAnswers(true); };
const fillBtn = document.createElement("div");
fillBtn.id = "stealth-fill-btn";
fillBtn.className = "stealth-btn-area";
fillBtn.textContent = "";
fillBtn.onclick = () => { fillFillAnswers(true); fillChoiceAnswers(true); };
const exitBtn = document.createElement("div");
exitBtn.id = "stealth-exit-btn";
exitBtn.className = "stealth-btn-area";
exitBtn.textContent = "";
exitBtn.onclick = exitStealthMode;
stealthPanel.append(showBtn, fillBtn, exitBtn);
container.appendChild(stealthPanel);
document.body.appendChild(container);
container.addEventListener('mousedown', startDrag);
}
function enterStealthMode() {
GM_setValue('isStealthMode', true);
if (originalPanel) {
const currentTop = originalPanel.offsetTop;
const currentLeft = originalPanel.offsetLeft;
originalPanel.style.display = 'none';
let container = document.getElementById('welearn-stealth-panel-container');
if (!container) {
createStealthPanel();
container = document.getElementById('welearn-stealth-panel-container');
}
if (container) {
container.style.display = 'flex';
container.style.top = `${currentTop}px`;
container.style.left = `${currentLeft + 50}px`;
GM_setValue('panelTop', currentTop);
GM_setValue('panelLeft', currentLeft + 50);
}
}
cleanupDisplayEffects();
}
function exitStealthMode() {
GM_setValue('isStealthMode', false);
const container = document.getElementById('welearn-stealth-panel-container');
if (container) {
const currentTop = container.offsetTop;
const currentLeft = container.offsetLeft;
container.style.display = 'none';
if (originalPanel) {
originalPanel.style.display = 'flex';
originalPanel.style.top = `${currentTop}px`;
originalPanel.style.left = `${currentLeft - 50}px`;
GM_setValue('panelTop', currentTop);
GM_setValue('panelLeft', currentLeft - 50);
}
}
cleanupDisplayEffects();
}
// ---------------- 清理效果 ----------------
function cleanupDisplayEffects() {
const doc = getWorkDoc();
doc.querySelectorAll('[style*="outline: 2px solid red"]').forEach(el => el.style.outline = '');
doc.querySelectorAll('.stealth-answer-tag').forEach(tag => tag.remove());
doc.querySelectorAll('div[data-itemtype="result"]').forEach(div => {
div.textContent = '';
div.style.background = '';
div.style.padding = '';
div.style.borderRadius = '';
div.style.marginLeft = '';
});
doc.querySelectorAll('li').forEach(li => {
li.style.background = '';
li.style.borderRadius = '';
});
}
// ---------------- 初始化脚本 ----------------
function initialize() {
const isStealth = GM_getValue('isStealthMode', false);
createOriginalPanel();
if (isStealth) {
createStealthPanel();
if (originalPanel) {
originalPanel.style.display = 'none';
}
}
}
window.addEventListener('load', initialize);
})();
