薇星幻海
380 lines
20 KiB
JavaScript
380 lines
20 KiB
JavaScript
/* YianAnswerRunner: 只在已识别的练习页面串行点击真实选项。 */
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(function (root) {
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'use strict';
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const CHECKED = 'examtest_content_list_des_checked';
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const WAIT_STEP = 100;
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const WAIT_LIMIT = 1200;
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const CLICK_GAP = 150;
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const COUNT_KEYS = ['selected', 'pending', 'missing', 'conflict', 'locked', 'failed', 'unsupported'];
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const CONTEXT_KEYS = ['role', 'course', 'sourceUrl', 'routeKey', 'pageSignature', 'revision'];
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function normalize(value) {
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return String(value == null ? '' : value).replace(/\u00a0/g, ' ').replace(/[\t\n\r ]+/g, ' ').trim();
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}
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function questionSignature(question) {
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// 答案、checked class 和展开解析不属于题目身份，判分后它们会正常变化。
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return JSON.stringify([question.type, question.question, (question.questionImages || []), question.options.map(function (option) {
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return [option.label, option.text, option.images || []];
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})]);
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}
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function bankSignature(bank) {
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return JSON.stringify([bank.title, bank.expectedTotal, bank.questions.map(questionSignature)]);
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}
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function isLocked(box, selectors) {
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if (box.querySelector('.pc_examtest_content_form_disabled')) return true;
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const component = box.closest('[app-exam-question],app-exam-question');
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const flags = [box, component].filter(Boolean);
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if (flags.some(function (element) {
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return element._showanswer === true || element.getAttribute('_showanswer') === 'true' || element.getAttribute('data-showanswer') === 'true';
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})) return true;
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if (!box.querySelector('.pc_examtest_content_question_showanswer')) return true;
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// 原页面已判分时 option 的直接父容器由 child1 变为 child2；隐藏参考答案不表示锁定。
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return Array.from(box.querySelectorAll(selectors.option)).some(function (node) {
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const parent = node.parentElement;
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return parent && parent.matches('.pc_examtest_content_list_child2,.pc_examtest_content_list_parent_child2,.parent_child2');
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});
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}
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function optionState(box, selectors) {
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const nodes = Array.from(box.querySelectorAll(selectors.option));
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return {
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nodes: nodes,
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selected: nodes.map(function (node) { return node.classList.contains(CHECKED); }),
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locked: isLocked(box, selectors)
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};
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}
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function sameSelection(actual, wanted) {
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return actual.length === wanted.length && actual.every(function (selected, index) { return selected === wanted[index]; });
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}
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function create(options) {
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options = options || {};
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if (typeof options.getContext !== 'function' || typeof options.match !== 'function') throw new TypeError('自动选择需要 getContext 和 match。');
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const doc = root.document;
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const core = root.QuestionBankCore;
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if (!doc || !core || !core.selectors || typeof core.extract !== 'function') throw new Error('自动选择需要 QuestionBankCore 和当前网页。');
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const selectors = core.selectors;
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let active = null;
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let scope = null;
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let records = new Map();
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let total = 0;
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let destroyed = false;
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let generation = 0;
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function notifyState(state, reason) {
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if (typeof options.onState === 'function') options.onState(state, reason || '');
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}
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function progress() {
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const counts = { selected: 0, pending: 0, missing: 0, conflict: 0, locked: 0, failed: 0, unsupported: 0, total: total };
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const details = [];
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records.forEach(function (record) {
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if (COUNT_KEYS.includes(record.status)) counts[record.status]++;
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if (record.pending) counts.pending++;
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details.push({ number: record.number, status: record.status, reason: record.reason || '' });
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});
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counts.details = details;
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return counts;
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}
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function notifyProgress() {
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const value = progress();
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if (typeof options.onProgress === 'function') options.onProgress(value);
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return value;
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}
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function setRecord(item, status, reason, pending) {
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records.set(item.key, { number: item.question.number, status: status, reason: reason || '', pending: Boolean(pending) });
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notifyProgress();
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}
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function captureContext(context) {
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const captured = { root: context.root, pageURL: String(root.location && root.location.href || '') };
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CONTEXT_KEYS.forEach(function (key) { captured[key] = context[key]; });
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return captured;
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}
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function sameContext(left, right) {
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return left && right && left.root === right.root && left.pageURL === right.pageURL && CONTEXT_KEYS.every(function (key) { return left[key] === right[key]; });
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}
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function initialReason(context) {
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if (!context || context.ready !== true) return '等待练习页面就绪。';
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if (context.local === true || root.location && root.location.protocol === 'file:') return '保存的静态网页可搜索和导出，不能记录自动选择。';
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if (context.practice !== true) return '当前页面未识别为练习，自动选择已停止。';
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if (!context.role) return '请先选择主操、班长或副操。';
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if (!context.root || !context.root.isConnected || context.root.ownerDocument !== doc) return '练习内容已切换，等待新页面。';
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return '';
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}
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function cancel(run) {
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if (!run || run.cancelled) return;
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run.cancelled = true;
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run.waiters.forEach(function (finish) { finish(false); });
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run.waiters.clear();
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}
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function endActive(state, reason) {
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const old = active;
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generation++;
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active = null;
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cancel(old);
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if (!destroyed) notifyState(state, reason);
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return progress();
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}
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function pause(reason) { return endActive('paused', reason || '已暂停自动选择。'); }
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function stop(reason) { return endActive('stopped', reason || '自动选择已关闭。'); }
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function wait(run, milliseconds) {
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if (run.cancelled || active !== run) return Promise.resolve(false);
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return new Promise(function (resolve) {
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let timer;
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let settled = false;
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const finish = function (ok) {
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if (settled) return;
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settled = true;
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root.clearTimeout(timer);
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run.waiters.delete(finish);
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resolve(ok && !run.cancelled && active === run);
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};
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run.waiters.add(finish);
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timer = root.setTimeout(function () { finish(true); }, milliseconds);
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});
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}
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function contextReason(run) {
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if (destroyed || run.cancelled || active !== run || run.id !== generation) return '自动选择已取消。';
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const context = options.getContext();
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const reason = initialReason(context);
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if (reason) return reason;
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if (!sameContext(run.context, captureContext(context))) return '页面、岗位或题库已切换，已停止本轮自动选择。';
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return '';
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}
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function extractItems(context) {
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const boxes = Array.from(doc.querySelectorAll(selectors.question));
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const bank = core.extract(doc);
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if (bank.questions.length !== boxes.length) throw new Error('题目与选项尚未同步完成。');
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const items = boxes.map(function (box, index) {
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const question = bank.questions[index];
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const signature = questionSignature(question);
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return { box: box, index: index, question: question, signature: signature, key: index + '\u0000' + signature };
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}).filter(function (item) { return context.root === item.box || context.root.contains(item.box); });
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return { items: items, signature: bankSignature(bank) };
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}
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function readCurrent(run, item) {
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const reason = contextReason(run);
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if (reason) return { reason: reason, cancelled: true };
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if (!item.box.isConnected || !run.context.root.contains(item.box) && run.context.root !== item.box) return { reason: '题目节点已更新，已停止本轮自动选择。', cancelled: true };
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const boxes = Array.from(doc.querySelectorAll(selectors.question));
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if (boxes[item.index] !== item.box) return { reason: '题目顺序已变化，已停止本轮自动选择。', cancelled: true };
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const bank = core.extract(doc);
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// 父面板的 MutationObserver 尚未运行时，也直接阻断标题或其他题目的变化。
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if (bankSignature(bank) !== run.bankSignature) return { reason: '练习题目或课程已更新，已停止本轮自动选择。', cancelled: true };
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const current = bank.questions[item.index];
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if (!current || questionSignature(current) !== item.signature) return { reason: '题干或选项已变化，已停止本轮自动选择。', cancelled: true };
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const state = optionState(item.box, selectors);
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if (state.nodes.length !== current.options.length) return { reason: '选项尚未完整加载。' };
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return { question: current, state: state };
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}
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function clickable(node, item) {
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if (!node || !node.isConnected || !item.box.contains(node) || node.ownerDocument !== doc) return false;
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if (node.closest('[hidden],[inert]') || node.getAttribute('aria-disabled') === 'true' || node.hasAttribute('disabled')) return false;
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const style = root.getComputedStyle(node);
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return node.getClientRects().length > 0 && style.display !== 'none' && style.visibility !== 'hidden' && style.visibility !== 'collapse' && style.pointerEvents !== 'none';
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}
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function abortForChange(run, reason) {
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if (active === run && !run.cancelled) stop(reason);
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return false;
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}
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async function clickOption(run, item, optionIndex, wantedChecked) {
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const before = readCurrent(run, item);
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if (before.cancelled) return { cancelled: true, reason: before.reason };
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if (before.reason) return { reason: before.reason };
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if (before.state.locked) return { locked: true, reason: '该题已判分或锁定，不能修改。' };
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if (before.state.selected[optionIndex] === wantedChecked) return { ok: true };
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const node = before.state.nodes[optionIndex];
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if (!clickable(node, item)) return { reason: '选项不可点击，已跳过。' };
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// 最后一次即时检查，避免异步匹配期间已经换路由或岗位。
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const reason = contextReason(run);
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if (reason) return { cancelled: true, reason: reason };
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node.click();
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for (let elapsed = 0; elapsed <= WAIT_LIMIT; elapsed += WAIT_STEP) {
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const current = readCurrent(run, item);
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if (current.cancelled) return { cancelled: true, reason: current.reason };
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if (current.reason) return { reason: current.reason };
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if (current.state.selected[optionIndex] === wantedChecked) {
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if (!await wait(run, CLICK_GAP)) return { cancelled: true, reason: '自动选择已取消。' };
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const settled = readCurrent(run, item);
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if (settled.cancelled) return { cancelled: true, reason: settled.reason };
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if (settled.reason) return { reason: settled.reason };
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if (settled.state.selected[optionIndex] !== wantedChecked) return { reason: '网页未保留选项状态，已停止修改该题。' };
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return { ok: true };
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}
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if (current.state.locked) return { locked: true, reason: '选项点击后题目锁定，但未确认目标选项，已停止修改该题。' };
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if (elapsed < WAIT_LIMIT && !await wait(run, WAIT_STEP)) return { cancelled: true, reason: '自动选择已取消。' };
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}
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return { reason: '网页在限定时间内未更新选项状态，已跳过。' };
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}
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function resolveTargets(question, matched) {
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const labels = Array.isArray(matched.correctLabels) ? matched.correctLabels.map(normalize) : String(matched.correctLabels || '').split(/[\s,，、;；]+/).filter(Boolean);
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if (!labels.length || new Set(labels).size !== labels.length) return { reason: '正确选项为空或重复，已跳过。' };
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const actualLabels = question.options.map(function (option) { return normalize(option.label); });
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if (new Set(actualLabels).size !== actualLabels.length || labels.some(function (label) { return !actualLabels.includes(label); })) return { reason: '答案不能唯一对应网页选项，已跳过。' };
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if (question.type !== '多选' && labels.length !== 1) return { reason: '单选或判断题匹配到多个答案，已跳过。' };
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if (Array.isArray(matched.correctTexts) && matched.correctTexts.length) {
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const expectedTexts = matched.correctTexts.map(normalize).sort();
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const actualTexts = question.options.filter(function (option) { return labels.includes(normalize(option.label)); }).map(function (option) { return normalize(option.text); }).sort();
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if (JSON.stringify(expectedTexts) !== JSON.stringify(actualTexts)) return { reason: '匹配答案文字与网页选项不一致，已跳过。' };
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}
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return { wanted: actualLabels.map(function (label) { return labels.includes(label); }) };
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}
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async function processQuestion(run, item) {
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run.currentBox = item.box;
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let current = readCurrent(run, item);
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if (current.cancelled) return abortForChange(run, current.reason);
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if (current.reason) { setRecord(item, 'failed', current.reason); return true; }
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if (records.has(item.key)) return true;
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if (!item.box.closest('[app-exam-question],app-exam-question')) { setRecord(item, 'unsupported', '题目缺少已适配的练习组件，已跳过。'); return true; }
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if (!['单选', '多选', '判断'].includes(current.question.type)) { setRecord(item, 'unsupported', '暂不支持该题型自动选择。'); return true; }
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if (current.state.locked) { setRecord(item, 'locked', '该题已判分或锁定，保留原作答。'); return true; }
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const matched = await options.match(current.question, options.getContext());
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current = readCurrent(run, item);
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if (current.cancelled) return abortForChange(run, current.reason);
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if (current.reason) { setRecord(item, 'failed', current.reason); return true; }
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if (current.state.locked) { setRecord(item, 'locked', '匹配期间该题已锁定，保留原作答。'); return true; }
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if (!matched || matched.status !== 'matched') {
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const status = matched && ['missing', 'conflict', 'unsupported'].includes(matched.status) ? matched.status : 'unsupported';
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setRecord(item, status, matched && matched.reason || '未获得可自动选择的唯一答案。');
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return true;
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}
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const target = resolveTargets(current.question, matched);
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if (target.reason) { setRecord(item, 'unsupported', target.reason); return true; }
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let changed = false;
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if (current.question.type === '多选') {
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// 每次按当前集合核对；先去掉错误选项，随后补选目标选项，不重复 toggle。
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const planned = [];
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target.wanted.forEach(function (wanted, index) { if (!wanted && current.state.selected[index]) planned.push({ index: index, checked: false }); });
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target.wanted.forEach(function (wanted, index) { if (wanted && !current.state.selected[index]) planned.push({ index: index, checked: true }); });
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for (const step of planned) {
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const result = await clickOption(run, item, step.index, step.checked);
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if (result.cancelled) return abortForChange(run, result.reason);
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if (!result.ok) { setRecord(item, result.locked && !changed ? 'locked' : 'failed', result.reason); return true; }
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changed = true;
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}
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} else {
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const wantedIndex = target.wanted.indexOf(true);
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if (!sameSelection(current.state.selected, target.wanted)) {
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if (current.state.selected[wantedIndex]) { setRecord(item, 'failed', '单选题有多个选中状态，已跳过。'); return true; }
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const result = await clickOption(run, item, wantedIndex, true);
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if (result.cancelled) return abortForChange(run, result.reason);
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if (!result.ok) { setRecord(item, result.locked ? 'locked' : 'failed', result.reason); return true; }
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changed = true;
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}
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}
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current = readCurrent(run, item);
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if (current.cancelled) return abortForChange(run, current.reason);
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if (current.reason) { setRecord(item, 'failed', current.reason); return true; }
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if (!sameSelection(current.state.selected, target.wanted)) { setRecord(item, 'failed', '网页当前选中集合与答案不一致，已停止修改该题。'); return true; }
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const pending = current.question.type === '多选' && !current.state.locked;
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setRecord(item, 'selected', pending ? '已选择，待网页确认。' : changed ? '已选择匹配答案。' : '当前已选中匹配答案。', pending);
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return true;
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}
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async function execute(run, items) {
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try {
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for (const item of items) {
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if (!await processQuestion(run, item)) return progress();
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if (run.cancelled || active !== run) return progress();
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}
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if (active === run && !run.cancelled) {
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active = null;
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notifyState('complete', '本页自动选择已完成。');
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}
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} catch (error) {
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if (active === run && !run.cancelled) {
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if (run.currentBox) {
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const item = items.find(function (candidate) { return candidate.box === run.currentBox; });
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if (item) setRecord(item, 'failed', error && error.message || '读取或点击选项失败。');
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}
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pause(error && error.message || '自动选择遇到错误，已暂停。');
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}
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} finally {
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cancel(run);
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}
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return progress();
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}
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function start() {
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if (destroyed) return Promise.resolve(progress());
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if (active && !active.cancelled) return active.promise;
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const context = options.getContext();
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const reason = initialReason(context);
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if (reason) { notifyState('idle', reason); return Promise.resolve(progress()); }
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const captured = captureContext(context);
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if (!sameContext(scope, captured)) { scope = captured; records = new Map(); total = 0; }
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let extracted;
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try { extracted = extractItems(context); }
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catch (error) { notifyState('idle', error.message || '等待题目加载。'); return Promise.resolve(progress()); }
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const items = extracted.items;
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total = items.length;
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const currentKeys = new Set(items.map(function (item) { return item.key; }));
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records.forEach(function (_, key) { if (!currentKeys.has(key)) records.delete(key); });
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notifyProgress();
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if (!items.length) { notifyState('idle', '当前没有可处理的练习题目。'); return Promise.resolve(progress()); }
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const run = { id: ++generation, context: captured, bankSignature: extracted.signature, cancelled: false, waiters: new Set(), currentBox: null, promise: null };
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active = run;
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// 先写入 promise，再通知或执行，使同步 UI 回调中的 start 也不会并发运行。
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run.promise = Promise.resolve().then(function () {
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if (active !== run || run.cancelled) return progress();
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notifyState('running', '正在选择当前岗位题库中的匹配答案。');
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return execute(run, items);
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});
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return run.promise;
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}
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function manualClick(event) {
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if (!event.isTrusted || !active || active.cancelled) return;
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const target = event.target && event.target.nodeType === 1 ? event.target : event.target && event.target.parentElement;
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if (!target) return;
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const box = target.closest(selectors.question);
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if (box && (active.context.root === box || active.context.root.contains(box))) pause('检测到手动作答，已暂停自动选择；可重新开启继续。');
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}
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doc.addEventListener('click', manualClick, true);
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function reset() {
|
||
stop('自动选择状态已重置。');
|
||
records = new Map();
|
||
scope = null;
|
||
total = 0;
|
||
return notifyProgress();
|
||
}
|
||
|
||
function destroy() {
|
||
if (destroyed) return;
|
||
stop('自动选择已卸载。');
|
||
destroyed = true;
|
||
doc.removeEventListener('click', manualClick, true);
|
||
records.clear();
|
||
}
|
||
|
||
return { start: start, stop: stop, reset: reset, destroy: destroy, get running() { return Boolean(active && !active.cancelled); } };
|
||
}
|
||
|
||
root.YianAnswerRunner = { version: '1.0.0', create: create };
|
||
})(typeof window !== 'undefined' ? window : globalThis);
|