Repository navigation
Expand file tree
/
Copy path404.html
More file actions
642 lines (563 loc) · 28.8 KB
/
Copy path404.html
File metadata and controls
642 lines (563 loc) · 28.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
<!DOCTYPE html><html lang="zh-Hans" data-theme="light"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0,viewport-fit=cover"><title>Page Not Found | 守株阁</title><meta name="author" content="magicliang"><meta name="copyright" content="magicliang"><meta name="format-detection" content="telephone=no"><meta name="theme-color" content="#ffffff"><meta name="description" content="关于技术以及人生">
<meta property="og:type" content="website">
<meta property="og:title" content="守株阁">
<meta property="og:url" content="https://magicliang.github.io/404.html">
<meta property="og:site_name" content="守株阁">
<meta property="og:description" content="关于技术以及人生">
<meta property="og:locale">
<meta property="og:image" content="https://magicliang.github.io/img/rei.jpeg">
<meta property="article:author" content="magicliang">
<meta property="article:tag" content="计算机 文学">
<meta name="twitter:card" content="summary">
<meta name="twitter:image" content="https://magicliang.github.io/img/rei.jpeg"><script type="application/ld+json"></script><link rel="shortcut icon" href="/img/favicon.png"><link rel="canonical" href="https://magicliang.github.io/404.html"><link rel="preconnect" href="//cdn.jsdelivr.net"/><link rel="preconnect" href="//busuanzi.ibruce.info"/><link rel="stylesheet" href="/css/index.css?v=5.7.0"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fortawesome/fontawesome-free@7.3.1/css/all.min.css"><link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/node-snackbar@0.1.16/dist/snackbar.min.css" media="print" onload="this.media='all'"><script>
(() => {
const saveToLocal = {
set: (key, value, ttl) => {
const data = { value }
if (ttl != null) {
data.expiry = Date.now() + ttl * 86400000
}
localStorage.setItem(key, JSON.stringify(data))
},
get: key => {
const itemStr = localStorage.getItem(key)
if (!itemStr) return
try {
const data = JSON.parse(itemStr)
if (data.expiry && Date.now() > data.expiry) {
localStorage.removeItem(key)
return
}
return data.value
} catch {
localStorage.removeItem(key)
}
}
}
const scriptCache = new Map()
const cssCache = new Map()
window.btf = {
saveToLocal,
getScript: (url, attr = {}) => {
if (scriptCache.has(url)) {
return scriptCache.get(url)
}
const promise = new Promise((resolve, reject) => {
const script = document.createElement('script')
script.src = url
script.async = true
for (const key in attr) {
script.setAttribute(key, attr[key])
}
script.onload = resolve
script.onerror = reject
document.head.appendChild(script)
})
scriptCache.set(url, promise)
return promise
},
getCSS: (url, id) => {
if (cssCache.has(url)) {
return cssCache.get(url)
}
const promise = new Promise((resolve, reject) => {
const link = document.createElement('link')
link.rel = 'stylesheet'
link.href = url
if (id) {
link.id = id
}
link.onload = resolve
link.onerror = reject
document.head.appendChild(link)
})
cssCache.set(url, promise)
return promise
},
addGlobalFn: (key, fn, name = false, parent = window) => {
if (!true && key.startsWith('pjax')) return
const globalFn = parent.globalFn || {}
globalFn[key] = globalFn[key] || {}
globalFn[key][name || Object.keys(globalFn[key]).length] = fn
parent.globalFn = globalFn
}
}
const metaThemeColor = document.querySelector('meta[name="theme-color"]')
const activateDarkMode = () => {
document.documentElement.dataset.theme = 'dark'
if (metaThemeColor !== null) {
metaThemeColor.setAttribute('content', 'undefined')
}
}
const activateLightMode = () => {
document.documentElement.dataset.theme = 'light'
if (metaThemeColor !== null) {
metaThemeColor.setAttribute('content', 'undefined')
}
}
btf.activateDarkMode = activateDarkMode
btf.activateLightMode = activateLightMode
const theme = saveToLocal.get('theme')
theme === 'dark' ? activateDarkMode() : theme === 'light' ? activateLightMode() : null
const asideStatus = saveToLocal.get('aside-status')
if (asideStatus !== undefined) {
document.documentElement.classList.toggle('hide-aside', asideStatus === 'hide')
}
const detectApple = () => {
if (/iPad|iPhone|iPod|Macintosh/.test(navigator.userAgent)) {
document.documentElement.classList.add('apple')
}
}
detectApple()
})()
</script><script>const GLOBAL_CONFIG = {
root: '/',
algolia: undefined,
localSearch: {"path":"/search.json","preload":false,"top_n_per_article":1,"unescape":false,"pagination":{"enable":false,"hitsPerPage":8},"languages":{"hits_empty":"No results found for: ${query}","hits_stats":"${hits} articles found"}},
translate: {"defaultEncoding":1,"translateDelay":0,"msgToTraditionalChinese":"繁","msgToSimplifiedChinese":"簡"},
highlight: {"plugin":"highlight.js","highlightCopy":true,"highlightLang":true,"highlightHeightLimit":false,"highlightFullpage":false,"highlightMacStyle":true},
copy: {
success: 'Copy Successful',
error: 'Copy Failed',
noSupport: 'Browser Not Supported'
},
relativeDate: {
homepage: true,
post: true
},
runtime: '',
dateSuffix: {
just: 'Just now',
min: 'minutes ago',
hour: 'hours ago',
day: 'days ago',
month: 'months ago'
},
copyright: {"limitCount":50,"languages":{"author":"Author: magicliang","link":"Link: ","source":"Source: 守株阁","info":"Copyright belongs to the author. For commercial use, please contact the author for authorization. For non-commercial use, please indicate the source."}},
lightbox: 'null',
Snackbar: {"chs_to_cht":"You have switched to Traditional Chinese","cht_to_chs":"You have switched to Simplified Chinese","day_to_night":"You have switched to Dark Mode","night_to_day":"You have switched to Light Mode","bgLight":"#49b1f5","bgDark":"#2d3035","position":"bottom-left"},
infinitegrid: {
js: 'https://cdn.jsdelivr.net/npm/@egjs/infinitegrid@4.13.0/dist/infinitegrid.min.js',
buttonText: 'Load More'
},
isPhotoFigcaption: true,
islazyloadPlugin: true,
isAnchor: false,
percent: {
toc: true,
rightside: true,
},
autoDarkmode: false
}</script><script id="config-diff">var GLOBAL_CONFIG_SITE = {
title: 'Page Not Found',
isHighlightShrink: false,
isToc: false,
pageType: '404'
}</script><meta name="generator" content="Hexo 8.1.2"><link rel="alternate" href="/atom.xml" title="守株阁" type="application/atom+xml">
<link href="https://cdn.bootcss.com/KaTeX/0.11.1/katex.min.css" rel="stylesheet" /></head><body><div id="loading-box"><div class="loading-left-bg"></div><div class="loading-right-bg"></div><div class="spinner-box"><div class="configure-border-1"><div class="configure-core"></div></div><div class="configure-border-2"><div class="configure-core"></div></div><div class="loading-word">Loading...</div></div></div><script>(()=>{
const $loadingBox = document.getElementById('loading-box')
const $body = document.body
const preloader = {
endLoading: () => {
if ($loadingBox.classList.contains('loaded')) return
$body.style.overflow = ''
$loadingBox.classList.add('loaded')
},
initLoading: () => {
$body.style.overflow = 'hidden'
$loadingBox.classList.remove('loaded')
}
}
preloader.initLoading()
if (document.readyState === 'complete') {
preloader.endLoading()
} else {
window.addEventListener('load', preloader.endLoading)
document.addEventListener('DOMContentLoaded', preloader.endLoading)
// Add timeout protection: force end after 7 seconds
setTimeout(preloader.endLoading, 7000)
}
if (true) {
btf.addGlobalFn('pjaxSend', preloader.initLoading, 'preloader_init')
btf.addGlobalFn('pjaxComplete', preloader.endLoading, 'preloader_end')
}
})()</script><div id="sidebar"><div id="menu-mask"></div><div id="sidebar-menus"><div class="avatar-img text-center"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-lazy-src="/img/rei.jpeg" onerror="this.onerror=null;this.src='/img/friend_404.gif'" alt="avatar"/></div><div class="site-data text-center"><a href="/archives/"><div class="headline">Articles</div><div class="length-num">2143</div></a><a href="/tags/"><div class="headline">Tags</div><div class="length-num">2145</div></a><a href="/categories/"><div class="headline">Categories</div><div class="length-num">40</div></a></div><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> Home</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> Archives</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> Tags</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> Categories</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fas fa-heart"></i><span> About</span></a></div></div></div></div><div class="page type-404" id="body-wrap"><header class="not-top-img" id="page-header"><nav id="nav"><span id="blog-info"><a class="nav-site-title" href="/"><span class="site-name">守株阁</span></a></span><div id="menus"><div id="search-button"><span class="site-page social-icon search"><i class="fas fa-search fa-fw"></i><span> Search</span></span></div><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> Home</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> Archives</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> Tags</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> Categories</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fas fa-heart"></i><span> About</span></a></div></div><div id="toggle-menu"><span class="site-page"><i class="fas fa-bars fa-fw"></i></span></div></div></nav><h1 class="title-seo">守株阁</h1></header><main class="layout hide-aside" id="content-inner"><div class="nc" id="page"><div class="error-content"><div class="error-img"><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-lazy-src="/img/reba.jpeg" alt="Page not found"></div><div class="error-info"><h1 class="error_title">404</h1><div class="error_subtitle">頁面沒有找到</div></div></div></div></main><footer id="footer"><div class="footer-other"><div class="footer-copyright"><span class="copyright">© 2017 - 2026 By magicliang</span><span class="framework-info"><span>Framework </span><a target="_blank" rel="noopener" href="https://hexo.io">Hexo 8.1.2</a><span class="footer-separator">|</span><span>Theme </span><a target="_blank" rel="noopener" href="https://github.com/jerryc127/hexo-theme-butterfly">Butterfly 5.7.0</a></span></div></div></footer></div><div id="rightside"><div id="rightside-config-hide"><button id="translateLink" type="button" title="Toggle Between Traditional and Simplified Chinese">簡</button><button id="darkmode" type="button" title="Toggle Between Light and Dark Mode"><i class="fas fa-adjust"></i></button></div><div id="rightside-config-show"><button id="rightside-config" type="button" title="Settings"><i class="fas fa-cog fa-spin"></i></button><button id="go-up" type="button" title="Back to Top"><span class="scroll-percent"></span><i class="fas fa-arrow-up"></i></button></div></div><div><script src="/js/utils.js?v=5.7.0"></script><script src="/js/main.js?v=5.7.0"></script><script src="/js/tw_cn.js?v=5.7.0"></script><script src="https://cdn.jsdelivr.net/npm/instant.page@5.2.0/instantpage.min.js" type="module"></script><script src="https://cdn.jsdelivr.net/npm/vanilla-lazyload@19.1.3/dist/lazyload.iife.min.js"></script><script src="https://cdn.jsdelivr.net/npm/node-snackbar@0.1.16/dist/snackbar.min.js"></script><div class="js-pjax"><script>(() => {
const parseViewBox = viewBox => {
if (!viewBox) return null
const parts = viewBox.trim().split(/[\s,]+/).map(n => Number(n))
if (parts.length !== 4 || parts.some(n => Number.isNaN(n))) return null
return parts
}
const getSvgViewBox = svg => {
const attr = parseViewBox(svg.getAttribute('viewBox'))
if (attr) return attr
// Fallback: use bbox to build a viewBox
try {
const bbox = svg.getBBox()
if (bbox && bbox.width && bbox.height) return [bbox.x, bbox.y, bbox.width, bbox.height]
} catch (e) {
// getBBox may fail on some edge cases; ignore
}
const w = Number(svg.getAttribute('width')) || 0
const h = Number(svg.getAttribute('height')) || 0
if (w > 0 && h > 0) return [0, 0, w, h]
return [0, 0, 100, 100]
}
const setSvgViewBox = (svg, vb) => {
svg.setAttribute('viewBox', `${vb[0]} ${vb[1]} ${vb[2]} ${vb[3]}`)
}
const clamp = (v, min, max) => Math.max(min, Math.min(max, v))
const openSvgInNewTab = ({ source, initViewBox }) => {
const getClonedSvg = () => {
if (typeof source === 'string') {
const template = document.createElement('template')
template.innerHTML = source.trim()
const svg = template.content.querySelector('svg')
return svg ? svg.cloneNode(true) : null
}
if (source && typeof source.cloneNode === 'function') {
return source.cloneNode(true)
}
return null
}
const clone = getClonedSvg()
if (!clone) return
if (initViewBox && initViewBox.length === 4) {
clone.setAttribute('viewBox', initViewBox.join(' '))
}
if (!clone.getAttribute('xmlns')) clone.setAttribute('xmlns', 'http://www.w3.org/2000/svg')
if (!clone.getAttribute('xmlns:xlink') && clone.innerHTML.includes('xlink:')) {
clone.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink')
}
// inject background to match current theme
const isDark = document.documentElement.getAttribute('data-theme') === 'dark'
const bg = getComputedStyle(document.body).backgroundColor || (isDark ? '#1e1e1e' : '#ffffff')
if (!clone.style.background) clone.style.background = bg
const serializer = new XMLSerializer()
const svgSource = serializer.serializeToString(clone)
const htmlSource = `<!doctype html><html><head><meta charset="utf-8" />
<style>
html, body { width: 100%; height: 100%; margin: 0; display: flex; align-items: center; justify-content: center; background: ${bg}; }
svg { max-width: 100%; max-height: 100%; height: auto; width: auto; }
</style>
</head><body>${svgSource}</body></html>`
const blob = new Blob([htmlSource], { type: 'text/html;charset=utf-8' })
const url = URL.createObjectURL(blob)
window.open(url, '_blank', 'noopener')
setTimeout(() => URL.revokeObjectURL(url), 5000)
}
const attachMermaidViewerButton = wrap => {
let btn = wrap.querySelector('.mermaid-open-btn')
if (!btn) {
btn = document.createElement('button')
btn.type = 'button'
btn.className = 'mermaid-open-btn'
wrap.appendChild(btn)
}
btn.innerHTML = '<i class="fa fa-search fa-fw" aria-hidden="true"></i>'
if (!btn.__mermaidViewerBound) {
btn.addEventListener('click', e => {
e.preventDefault()
e.stopPropagation()
const svg = wrap.__mermaidOriginalSvg || wrap.querySelector('svg')
if (!svg) return
const initViewBox = wrap.__mermaidInitViewBox
openSvgInNewTab({ source: svg, initViewBox })
})
btn.__mermaidViewerBound = true
}
}
// Zoom around a point (px, py) in the SVG viewport (in viewBox coordinates)
const zoomAtPoint = (vb, factor, px, py) => {
const w = vb[2] * factor
const h = vb[3] * factor
const nx = px - (px - vb[0]) * factor
const ny = py - (py - vb[1]) * factor
return [nx, ny, w, h]
}
const initMermaidGestures = wrap => {
// Clean up previous event listeners and pending frames
if (wrap.__mermaidAbortController) {
wrap.__mermaidAbortController.abort()
if (wrap.__mermaidRafId) cancelAnimationFrame(wrap.__mermaidRafId)
}
const ac = new AbortController()
wrap.__mermaidAbortController = ac
const svg = wrap.querySelector('svg')
if (!svg) return
// Ensure viewBox exists so gestures always work
const initVb = getSvgViewBox(svg)
wrap.__mermaidInitViewBox = initVb
wrap.__mermaidCurViewBox = initVb.slice()
setSvgViewBox(svg, initVb)
// Disable default gestures to prevent scroll chaining and pinch-zoom penetration in Chrome
svg.style.touchAction = 'none'
// Cache BoundingClientRect, throttled on scroll to reduce reflow
let cachedRect = svg.getBoundingClientRect()
let rectDirty = false
const markRectDirty = () => { rectDirty = true }
window.addEventListener('resize', markRectDirty, { signal: ac.signal })
window.addEventListener('scroll', markRectDirty, { signal: ac.signal, capture: true })
const getRect = () => {
if (rectDirty) {
cachedRect = svg.getBoundingClientRect()
rectDirty = false
}
return cachedRect
}
// Precompute clamp bounds from initial viewBox
const minW = initVb[2] * 0.1
const maxW = initVb[2] * 10
const minH = initVb[3] * 0.1
const maxH = initVb[3] * 10
const clampVb = vb => {
const out = vb.slice()
out[2] = clamp(out[2], minW, maxW)
out[3] = clamp(out[3], minH, maxH)
return out
}
// Throttle DOM updates using requestAnimationFrame
let pendingVb = null
let rafId = null
const applyVb = () => {
if (pendingVb) {
wrap.__mermaidCurViewBox = pendingVb
setSvgViewBox(svg, pendingVb)
pendingVb = null
}
rafId = null
wrap.__mermaidRafId = null
}
const setCurVb = vb => {
pendingVb = clampVb(vb)
if (!rafId) {
rafId = requestAnimationFrame(applyVb)
wrap.__mermaidRafId = rafId
}
}
const state = {
pointers: new Map(),
startVb: null,
startDist: 0,
lastPointerX: 0,
lastPointerY: 0
}
const onPointerDown = e => {
if (e.pointerType === 'mouse' && e.button !== 0) return
svg.setPointerCapture(e.pointerId)
const curVb = wrap.__mermaidCurViewBox
state.pointers.set(e.pointerId, { x: e.clientX, y: e.clientY })
if (state.pointers.size === 1) {
state.startVb = curVb.slice()
state.lastPointerX = e.clientX
state.lastPointerY = e.clientY
} else if (state.pointers.size === 2) {
const pts = [...state.pointers.values()]
const dx = pts[0].x - pts[1].x
const dy = pts[0].y - pts[1].y
state.startDist = Math.hypot(dx, dy)
state.startVb = curVb.slice()
}
}
const onPointerMove = e => {
if (!state.pointers.has(e.pointerId)) return
state.pointers.set(e.pointerId, { x: e.clientX, y: e.clientY })
const curVb = wrap.__mermaidCurViewBox
const rect = getRect()
if (state.pointers.size === 1 && state.startVb) {
const p = state.pointers.values().next().value
const dxClient = p.x - state.lastPointerX
const dyClient = p.y - state.lastPointerY
state.lastPointerX = p.x
state.lastPointerY = p.y
const dx = dxClient * (curVb[2] / rect.width)
const dy = dyClient * (curVb[3] / rect.height)
setCurVb([curVb[0] - dx, curVb[1] - dy, curVb[2], curVb[3]])
return
}
if (state.pointers.size === 2 && state.startVb && state.startDist > 0) {
const pts = [...state.pointers.values()]
const dx = pts[0].x - pts[1].x
const dy = pts[0].y - pts[1].y
const dist = Math.hypot(dx, dy)
if (!dist) return
const factor = state.startDist / dist
const cx = (pts[0].x + pts[1].x) / 2
const cy = (pts[0].y + pts[1].y) / 2
const px = curVb[0] + (cx - rect.left) * (curVb[2] / rect.width)
const py = curVb[1] + (cy - rect.top) * (curVb[3] / rect.height)
setCurVb(zoomAtPoint(state.startVb, factor, px, py))
}
}
const onPointerUpOrCancel = e => {
// Release PointerCapture to avoid event capture anomalies
if (svg.hasPointerCapture && svg.hasPointerCapture(e.pointerId)) {
svg.releasePointerCapture(e.pointerId)
}
state.pointers.delete(e.pointerId)
if (state.pointers.size === 0) {
state.startVb = null
state.startDist = 0
} else if (state.pointers.size === 1) {
const p = state.pointers.values().next().value
state.lastPointerX = p.x
state.lastPointerY = p.y
}
}
const onWheel = e => {
// Prevent event bubbling from triggering external scroll
e.preventDefault()
e.stopPropagation()
// Normalize deltaY across deltaMode (Chrome uses pixels, Safari uses lines)
let delta = e.deltaY
if (e.deltaMode === 1) delta *= 16
else if (e.deltaMode === 2) delta *= 400
// Continuous zoom factor: smoother than fixed 1.1/0.9 steps
const zoomFactor = Math.pow(1.001, delta)
const curVb = wrap.__mermaidCurViewBox
const rect = getRect()
const px = curVb[0] + (e.clientX - rect.left) * (curVb[2] / rect.width)
const py = curVb[1] + (e.clientY - rect.top) * (curVb[3] / rect.height)
setCurVb(zoomAtPoint(curVb, zoomFactor, px, py))
}
const onDblClick = () => {
const init = wrap.__mermaidInitViewBox
if (init) setCurVb(init)
}
svg.addEventListener('pointerdown', onPointerDown, { signal: ac.signal })
svg.addEventListener('pointermove', onPointerMove, { signal: ac.signal })
svg.addEventListener('pointerup', onPointerUpOrCancel, { signal: ac.signal })
svg.addEventListener('pointercancel', onPointerUpOrCancel, { signal: ac.signal })
svg.addEventListener('wheel', onWheel, { passive: false, signal: ac.signal })
svg.addEventListener('dblclick', onDblClick, { signal: ac.signal })
}
const runMermaid = ele => {
window.loadMermaid = true
const theme = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'default'
ele.forEach((item, index) => {
const mermaidSrc = item.firstElementChild
// Clean up event listeners before removing old SVG
if (item.__mermaidAbortController) {
item.__mermaidAbortController.abort()
}
const oldSvg = item.querySelector('svg')
if (oldSvg) oldSvg.remove()
let config = {}
try {
config = mermaidSrc.dataset.config ? JSON.parse(mermaidSrc.dataset.config) : {}
} catch (e) {
console.warn('[mermaid] failed to parse dataset.config:', e)
}
if (!config.theme) {
config.theme = theme
}
const mermaidThemeConfig = `%%{init: ${JSON.stringify(config)}}%%\n`
const mermaidID = `mermaid-${index}`
const mermaidDefinition = mermaidThemeConfig + mermaidSrc.textContent
const renderMermaid = svg => {
mermaidSrc.insertAdjacentHTML('afterend', svg)
if (true) initMermaidGestures(item)
item.__mermaidOriginalSvg = svg
if (true) attachMermaidViewerButton(item)
}
const handleError = err => {
console.error(`[mermaid] render failed for block #${index}:`, err)
const errorEl = document.createElement('div')
errorEl.className = 'mermaid-error'
errorEl.textContent = `Mermaid render error: ${err.message || err}`
mermaidSrc.insertAdjacentElement('afterend', errorEl)
}
try {
const renderFn = mermaid.render(mermaidID, mermaidDefinition)
// mermaid v9 and v10 compatibility
if (typeof renderFn === 'string') {
renderMermaid(renderFn)
} else {
renderFn.then(({ svg }) => renderMermaid(svg)).catch(handleError)
}
} catch (err) {
handleError(err)
}
})
}
const codeToMermaid = $article => {
const codeMermaidEle = $article.querySelectorAll('pre > code.mermaid')
if (codeMermaidEle.length === 0) return
codeMermaidEle.forEach(ele => {
const preEle = document.createElement('pre')
preEle.className = 'mermaid-src'
preEle.hidden = true
preEle.textContent = ele.textContent
const newEle = document.createElement('div')
newEle.className = 'mermaid-wrap'
newEle.appendChild(preEle)
ele.parentNode.replaceWith(newEle)
})
}
const loadMermaid = () => {
const $article = document.getElementById('article-container')
if (!$article) return
if (true) codeToMermaid($article)
const $mermaid = $article.querySelectorAll('.mermaid-wrap')
if ($mermaid.length === 0) return
const runMermaidFn = () => runMermaid($mermaid)
btf.addGlobalFn('themeChange', runMermaidFn, 'mermaid')
window.loadMermaid ? runMermaidFn() : btf.getScript('https://cdn.jsdelivr.net/npm/mermaid@11.16.0/dist/mermaid.min.js').then(runMermaidFn)
}
btf.addGlobalFn('encrypt', loadMermaid, 'mermaid')
window.pjax ? loadMermaid() : document.addEventListener('DOMContentLoaded', loadMermaid)
})()</script></div><script defer="defer" id="fluttering_ribbon" mobile="false" src="https://cdn.jsdelivr.net/npm/butterfly-extsrc@1.1.6/dist/canvas-fluttering-ribbon.min.js"></script><script src="https://cdn.jsdelivr.net/npm/butterfly-extsrc@1.1.6/dist/activate-power-mode.min.js"></script><script>POWERMODE.colorful = true;
POWERMODE.shake = false;
POWERMODE.mobile = false;
document.body.addEventListener('input', POWERMODE);
</script><script src="https://cdn.jsdelivr.net/npm/pjax@0.2.8/pjax.min.js" defer="defer"></script><script>document.addEventListener('DOMContentLoaded', () => {
const pjaxSelectors = ["head > title","#config-diff","#body-wrap","#rightside-config-hide","#rightside-config-show",".js-pjax"]
window.pjax = new Pjax({
elements: 'a:not([target="_blank"]):not([data-fancybox])',
selectors: pjaxSelectors,
cacheBust: false,
analytics: false,
scrollRestoration: false
})
const triggerPjaxFn = (val) => {
if (!val) return
Object.values(val).forEach(fn => {
try {
fn()
} catch (err) {
console.debug('Pjax callback failed:', err)
}
})
}
document.addEventListener('pjax:send', () => {
// removeEventListener
btf.removeGlobalFnEvent('pjaxSendOnce')
btf.removeGlobalFnEvent('themeChange')
// reset readmode
const $bodyClassList = document.body.classList
if ($bodyClassList.contains('read-mode')) $bodyClassList.remove('read-mode')
triggerPjaxFn(window.globalFn.pjaxSend)
})
document.addEventListener('pjax:complete', () => {
btf.removeGlobalFnEvent('pjaxCompleteOnce')
document.querySelectorAll('script[data-pjax]').forEach(item => {
if (!item.parentNode) return
const newScript = document.createElement('script')
const content = item.text || item.textContent || ''
Array.from(item.attributes).forEach(attr => newScript.setAttribute(attr.name, attr.value))
newScript.appendChild(document.createTextNode(content))
item.parentNode.replaceChild(newScript, item)
})
triggerPjaxFn(window.globalFn.pjaxComplete)
})
document.addEventListener('pjax:error', e => {
const responseURL = e.request && e.request.responseURL
if (e.request && e.request.status === 404) {
true
? pjax.loadUrl('/404.html')
: responseURL && (window.location.href = responseURL)
} else if (responseURL) {
window.location.href = responseURL
}
})
})</script><script async data-pjax src="//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js"></script><div id="local-search"><div class="search-dialog"><nav class="search-nav"><span class="search-dialog-title">Search</span><i class="fas fa-spinner fa-pulse" id="loading-status" hidden="hidden"></i><button class="search-close-button"><i class="fas fa-times"></i></button></nav><div class="text-center" id="loading-database"><i class="fas fa-spinner fa-pulse"></i><span> Loading Database</span></div><div class="local-search-input"><input placeholder="搜索文章..." type="text"/></div><hr/><div id="local-search-results"></div><div class="ais-Pagination" id="local-search-pagination" style="display:none;"><ul class="ais-Pagination-list"></ul></div><div id="local-search-stats"></div></div><div id="search-mask"></div><script src="/js/search/local-search.js?v=5.7.0"></script></div></div></body></html>