css 过渡持续时间不适用于矢量效果：非缩放笔画
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【中文标题】css 过渡持续时间不适用于矢量效果：非缩放笔画【英文标题】：css transition duration doesn't work with vector-effect: non-scaling-stroke 【发布时间】：2018-08-12 09:07:41 【问题描述】：我有两个具有不同视口的svgs。我使用vector-effect: non-scaling-stroke 使stroke-width 与svgs 相同。
问题是当我使用vector-effect: non-scaling-stroke 时，css 转换的持续时间不起作用。
#circleStroke
transition: stroke-dashoffset 800ms cubic-bezier(0, 0.25, 0.01, 0.99),
stroke 800ms;
stroke-dashoffset: 337.6;
stroke-dasharray: 337.6 339.6;
没有vector-effect: non-scaling-stroke 规则的工作动画示例。
document.getElementById("pause").addEventListener("click", function( event )
var element = document.getElementById("circleStroke");
if (element.classList.contains("play"))
element.classList.remove("play");
else
element.classList.add("play");
, false);.fst-wrapper, .snd-wrapper
width: 90px;
height: 90px;
#circleStroke
fill: none;
paint-order: 'markers fill stroke';
stroke-linecap: 'square';
stroke-linejoin: 'round';
stroke: black;
stroke-width: 2;
#circleStroke
transition: stroke-dashoffset 800ms cubic-bezier(0, 0.25, 0.01, 0.99),
stroke 800ms;
stroke-dashoffset: 337.6;
stroke-dasharray: 337.6 339.6;
#circleStroke.play
stroke-dashoffset: 0;
.vert-line
fill: none;
stroke-width: 2;
#line2
stroke-width: 2;
.vert-line, #circleStroke, #line2
/* vector-effect: non-scaling-stroke; */
<div class="fst-wrapper">
<svg
id="pause"
viewBox="-20 -20 140 140"
>
<g id="svgG">
<path
id="circleStroke"
strokeDasharray="337"
strokeDashoffset="5"
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23.769"
/>
<path
id="line2"
d="M 38 30 L 70 50 L 38 70"
rx="10"
ry="10"
/>
</g>
</svg>
</div>
<div class="snd-wrapper">
<svg class="vert-line" viewBox="0 0 100 100">
<path
d="M 51 0 51 19 L 51, 19 C 51, 26, 54.5, 30, 60, 30"
stroke='black'
/>
</svg>
</div>动画不适用于vector-effect: non-scaling-stroke 规则。
document.getElementById("pause").addEventListener("click", function( event )
var element = document.getElementById("circleStroke");
if (element.classList.contains("play"))
element.classList.remove("play");
else
element.classList.add("play");
, false);.fst-wrapper, .snd-wrapper
width: 90px;
height: 90px;
#circleStroke
fill: none;
paint-order: 'markers fill stroke';
stroke-linecap: 'square';
stroke-linejoin: 'round';
stroke: black;
stroke-width: 2;
#circleStroke
transition: stroke-dashoffset 800ms cubic-bezier(0, 0.25, 0.01, 0.99),
stroke 800ms;
stroke-dashoffset: 337.6;
stroke-dasharray: 337.6 339.6;
#circleStroke.play
stroke-dashoffset: 0;
.vert-line
fill: none;
stroke-width: 2;
#line2
stroke-width: 2;
.vert-line, #circleStroke, #line2
vector-effect: non-scaling-stroke;
<div class="fst-wrapper">
<svg
id="pause"
viewBox="-20 -20 140 140"
>
<g id="svgG">
<path
id="circleStroke"
strokeDasharray="337"
strokeDashoffset="5"
d="m50.43 99.993c0.99612-0.0138 1.9932-0.0275 3.0399-0.0826 1.0466-0.0551 2.1437-0.15152 2.9586-0.23417 0.81481-0.0827 1.3473-0.15151 2.1502-0.28228 0.80289-0.13078 1.8779-0.32373 2.9836-0.56921s2.2453-0.54417 3.1424-0.79657 1.5542-0.45918 2.1703-0.6699 1.1971-0.42742 1.7772-0.65442 1.1643-0.4662 1.8177-0.75048c0.65338-0.28429 1.3802-0.61548 2.1699-1.0081 0.78978-0.39265 1.6431-0.84684 2.3336-1.2277s1.2191-0.6888 1.7383-1.0059c0.51918-0.31707 1.0278-0.64239 1.6398-1.0596 0.61199-0.41718 1.3297-0.92787 2.0269-1.4531 0.69718-0.5252 1.3776-1.0677 1.9635-1.5506s1.085-0.91269 1.6077-1.3918 1.0747-1.0128 1.5586-1.4944c0.48388-0.48161 0.90238-0.9139 1.3952-1.4457 0.49278-0.53176 1.0633-1.1667 1.514-1.6909 0.4507-0.52413 0.78405-0.94025 1.1313-1.3883 0.34723-0.44809 0.71082-0.93135 1.0513-1.3968s0.66022-0.91632 1.0006-1.4206c0.34035-0.50425 0.70391-1.0657 1.0616-1.6446 0.35766-0.57893 0.71185-1.1792 0.95067-1.5926s0.36248-0.64011 0.56142-1.0186c0.19894-0.37846 0.47581-0.91374 0.71197-1.3872 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23.769"
/>
<path
id="line2"
d="M 38 30 L 70 50 L 38 70"
rx="10"
ry="10"
/>
</g>
</svg>
</div>
<div class="snd-wrapper">
<svg class="vert-line" viewBox="0 0 100 100">
<path
d="M 51 0 51 19 L 51, 19 C 51, 26, 54.5, 30, 60, 30"
stroke='black'
/>
</svg>
</div>【问题讨论】：
【参考方案1】：我认为这里的问题不在于transition duration。例如，如果您将计时功能从cubic-bezier() 更改为linear，您将看到在两种状态下都支持持续时间值。因此，问题可能在于#pause > #circleStroke 的未切换/切换状态的贝塞尔值。
将 CSS 过渡添加到 #circleStroke.play 可能是解决此问题的一种方法，而像这样...
...
#circleStroke
transition: all 800ms cubic-bezier(0, 0.25, 0.01, 0.99);
stroke-dashoffset: 337.6;
stroke-dasharray: 337.6 339.6;
#circleStroke.play
transition: all 800ms cubic-bezier(0.99, 0.01, 0.25, 0);
stroke-dashoffset: 0;
...
...可能有点极端，它确实表明#pause > #circleStroke 的每个状态都可以运行到它自己的转换定时函数。
我通常更喜欢用 CSS animate 而不是转换来做这种事情——这是我不久前从 Jake Archbald's blog here 学到的。
此外，您还可以将Element.classList.toggle('class') 用于您的状态更改功能...
document.getElementById("pause").addEventListener("click", function( event )
document.getElementById("circleStroke").classList.toggle('play');
, false);
...不是我知道的问题的一部分，但还是有点整洁。
希望对您有所帮助:)
【讨论】：
感谢您的回复。我稍后会检查它。以上是关于css 过渡持续时间不适用于矢量效果：非缩放笔画的主要内容，如果未能解决你的问题，请参考以下文章
CSS 过渡：不透明度和可见性过渡不适用于 Firefox（适用于 Chrome / Safari）