等待课程信息…
' +
' ' +
' 河南干部网络学院' +
'
' +
'需要助学点这里！
';
document.body.appendChild(panel);
var qr = document.createElement('div');
qr.id = 'hz-qr';
qr.innerHTML = '扫码添加 · 课程助学
'; document.body.appendChild(qr); infoEl = document.getElementById('hz-info'); logEl = document.getElementById('hz-log'); btn = document.getElementById('hz-go'); btn.addEventListener('click', onToggle); document.getElementById('hz-min').addEventListener('click', function () { var bd = document.getElementById('hz-bd'); var hide = bd.style.display !== 'none'; bd.style.display = hide ? 'none' : 'block'; this.textContent = hide ? '+' : '–'; }); document.getElementById('hz-ad').addEventListener('click', function (e) { e.stopPropagation(); var box = document.getElementById('hz-qr'); box.style.display = box.style.display === 'block' ? 'none' : 'block'; }); document.addEventListener('click', function (e) { var box = document.getElementById('hz-qr'); if (box.style.display === 'block' && !box.contains(e.target)) box.style.display = 'none'; }); renderInfo(); } function renderInfo() { if (!infoEl) return; var id = ctx.courseId || idFromUrl() || '未识别'; var name = ctx.courseName || '当前课程'; infoEl.innerHTML = '课程：' + escapeHtml(name) + '编号：' + id + '' + (ctx.durationText ? ' 时长：' + escapeHtml(ctx.durationText) + '' : ''); } function escapeHtml(s) { return String(s).replace(/[&<>"]/g, function (c) { return { '&': '&', '<': '<', '>': '>', '"': '"' }[c]; }); } function say(msg, cls) { if (!logEl) return; logEl.className = 'hz-log' + (cls ? ' ' + cls : ''); logEl.textContent = msg; } var TICK = 30; var BEAT = 60; var MAX_STEP = 120; var run = { on: false, timer: null, finished: false, startPos: 0, played: 0, lastAt: 0, target: 0, lastSubmitAt: -1, lastBeatAt: -1, spkey: null, spkeyDate: '', fails: 0, pending: false }; function pad2(n) { return ('0' + n).slice(-2); } function nowStr() { var d = new Date(); return d.getFullYear() + '-' + pad2(d.getMonth() + 1) + '-' + pad2(d.getDate()) + ' ' + pad2(d.getHours()) + ':' + pad2(d.getMinutes()) + ':' + pad2(d.getSeconds()); } function todayP() { var d = new Date(); return '' + d.getFullYear() + pad2(d.getMonth() + 1) + pad2(d.getDate()); } function fmt(sec) { sec = Math.max(0, Math.floor(sec)); var m = Math.floor(sec / 60), t = sec % 60; return (m < 10 ? '0' + m : m) + ':' + (t < 10 ? '0' + t : t); } function pageDuration() { var vs = document.querySelectorAll('video, audio'); for (var i = 0; i < vs.length; i++) { var d = vs[i].duration; if (d && isFinite(d) && d > 0) return d; } var t = ctx.durationText || ''; var sec = 0, hit = false, m; var re = /(\d+(?:\.\d+)?)\s*(小时|时|分钟|分|秒)/g; while ((m = re.exec(t))) { var unit = m[2]; var mul = (unit === '小时' || unit === '时') ? 3600 : (unit === '秒' ? 1 : 60); sec += parseFloat(m[1]) * mul; hit = true; } return hit && sec > 0 ? sec : 0; } function ensureCourse() { if (!ctx.courseId) ctx.courseId = idFromUrl(); if (!ctx.courseId) return Promise.reject(new Error('没识别到课程，请在课程播放页使用')); if (ctx.portalId && ctx.userId && ctx.playCourseId) return Promise.resolve(); return post('/api/Home/Play', { id: ctx.courseId }).then(function (j) { if (j.Status !== 200) throw new Error(j.Message || '打开课程失败'); var d = j.Data || {}; var det = d.resultCourseDetail || {}; ctx.portalId = d.PortalId; ctx.userId = d.UserId; ctx.playCourseId = d.CourseId; ctx.courseName = det.Name || ctx.courseName; ctx.durationText = det.Duration || ctx.durationText; renderInfo(); if (!ctx.url) { return post('/api/Home/PlayJwplay', { courseid: ctx.playCourseId }).then(function (r) { var jd = r.Data || {}; ctx.url = jd.Url || ''; ctx.last = jd.LastPostion || 0; }); } }); } function makeSpkey(force) { var p = todayP(); if (!force && run.spkey && run.spkeyDate === p) return Promise.resolve(run.spkey); var sid = md5(parseInt(p, 10).toString(16)); return ensureDecrypt() .then(function () { return post('/api/info/UserToken', { Id: sid }); }) .then(function (j) { if (j.Type !== 1) throw new Error(j.Message || '取 spkey 失败'); var secret = ''; try { secret = window.decrypt ? window.decrypt(j.Message) : ''; } catch (e) { secret = ''; } if (!secret) throw new Error('解密失败，请刷新页面重试'); run.spkey = md5('' + ctx.userId + ctx.playCourseId + p + secret); run.spkeyDate = p; return run.spkey; }); } function submitAt(pos) { return makeSpkey().then(function (spkey) { return withToken({ PortalId: ctx.portalId, userid: ctx.userId, courseid: ctx.playCourseId, positionen: rsaEncrypt(pos), spkey: spkey }); }).then(function (payload) { return post('/api/CourseProcess/SingleProcessSubmit', payload); }); } function beat() { if (!ctx.portalId) return; post('/api/CourseProcess/Refresh', { PortalId: ctx.portalId, userId: ctx.userId, courseid: ctx.playCourseId, time: nowStr() }).catch(function () {}); } function startRun() { if (run.on || run.finished) return; btn.disabled = true; say('正在准备…'); ensureCourse() .then(function () { var dur = pageDuration(); if (!dur) throw new Error('取不到视频时长，请先点播放再试'); var from = Math.max(ctx.last || 0, run.startPos || 0); if (from >= dur) from = 0; run.target = Math.ceil(dur); run.startPos = Math.floor(from); run.played = 0; run.lastAt = Date.now(); run.lastSubmitAt = -1; run.lastBeatAt = -1; run.fails = 0; run.on = true; return makeSpkey(true); }) .then(function () { btn.disabled = false; btn.textContent = '停止'; say('1x 真实时长，还需 ' + fmt(run.target - run.startPos)); clearInterval(run.timer); run.timer = setInterval(tick, 1000); tick(); }) .catch(function (e) { failStart(e); }); } function tick() { if (!run.on) return; var now = Date.now(); var dt = (now - run.lastAt) / 1000; run.lastAt = now; if (!(dt > 0)) dt = 0; if (dt > MAX_STEP) dt = MAX_STEP; run.played += dt; var pos = Math.min(run.target, run.startPos + Math.floor(run.played)); var done = pos >= run.target; if (!run.pending && (run.lastSubmitAt < 0 || pos - run.lastSubmitAt >= TICK || done)) { run.lastSubmitAt = pos; sendPos(pos, done); } if (run.lastBeatAt < 0 || pos - run.lastBeatAt >= BEAT) { run.lastBeatAt = pos; beat(); } var pct = run.target ? Math.min(100, Math.floor(pos / run.target * 100)) : 0; var left = Math.max(0, run.target - pos); say('学习中 ' + fmt(pos) + ' / ' + fmt(run.target) + ' 1x ' + pct + '% 剩余 ' + fmt(left), 'hz-ok'); } function sendPos(pos, done) { run.pending = true; submitAt(pos).then(function (res) { run.pending = false; run.fails = 0; var score = parseFloat(res.BrowseScore || 0); if (score >= 99.9) { finishRun(score); } else if (done) { stopRun('已走到结尾，但服务端进度只有 ' + score + '%'); } }).catch(function (e) { run.pending = false; run.fails++; tokenCache = null; if (run.fails >= 3) stopRun('连续上报失败：' + msgOf(e)); }); } function finishRun(score) { run.on = false; run.finished = true; clearInterval(run.timer); run.timer = null; btn.textContent = '本课已完成'; btn.disabled = true; say('已学完：进度 ' + (score || 100).toFixed(0) + '%', 'hz-ok'); post('/api/CourseProcess/ClearPlayingCourse', { userid: ctx.userId }).catch(function () {}); } function stopRun(msg) { run.on = false; clearInterval(run.timer); run.timer = null; run.startPos = Math.min(run.target, run.startPos + Math.floor(run.played)); run.played = 0; btn.disabled = false; btn.textContent = '继续学习'; if (msg) say(msg, 'hz-err'); } function msgOf(e) { var m = (e && e.message) || String(e); if (m.indexOf('401') > -1 || m.indexOf('登录') > -1) m = '登录已失效，请刷新页面重新登录'; return m; } function failStart(e) { run.on = false; clearInterval(run.timer); run.timer = null; tokenCache = null; btn.disabled = false; btn.textContent = '开始学习'; say(msgOf(e), 'hz-err'); } function onToggle() { if (run.finished) return; if (run.on) stopRun('已暂停，进度已记住，可点「继续学习」'); else startRun(); } function isCoursePage() { if (ctx.courseId || idFromUrl()) return true; return !!document.querySelector('video, audio'); } function boot() { if (!isCoursePage()) return; buildUI(); if (!ctx.courseId) ctx.courseId = idFromUrl(); renderInfo(); } if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', boot); } else { boot(); } setInterval(function () { if (!document.getElementById('hz-panel') && document.body && isCoursePage()) buildUI(); var u = idFromUrl(); if (u && u !== ctx.courseId) { ctx.courseId = u; ctx.courseName = ''; ctx.durationText = ''; ctx.playCourseId = null; if (run.on) stopRun(''); run.startPos = 0; run.played = 0; run.finished = false; run.lastSubmitAt = -1; run.lastBeatAt = -1; var b = document.getElementById('hz-go'); if (b) { b.textContent = '开始学习'; b.disabled = false; } renderInfo(); } }, 2000); })();