Ita*_*Gal 70 css css3 css-shapes
好吧,用纯CSS绘制一个圆圈很容易.
.circle {
width: 100px;
height: 100px;
border-radius: 100px;
border: 3px solid black;
background-color: green;
}
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我如何绘制一个扇区?给定度X [0-360]我想画一个X度扇区.我可以用纯CSS做到吗?
例如:

谢谢+示例
谢谢乔纳森,我使用了第一种方法.如果它帮助某人这里是一个JQuery函数的例子,它获得百分比并绘制一个扇区.该扇区位于百分比圆圈后面,此示例显示如何从起始角度围绕圆圈实现圆弧.
$(function drawSector() {
var activeBorder = $("#activeBorder");
var prec = activeBorder.children().children().text();
if (prec > 100)
prec = 100;
var deg = prec * 3.6;
if (deg <= 180) {
activeBorder.css('background-image', 'linear-gradient(' + (90 + deg) + 'deg, transparent 50%, #A2ECFB 50%),linear-gradient(90deg, #A2ECFB 50%, transparent 50%)');
} else {
activeBorder.css('background-image', 'linear-gradient(' + (deg - 90) + 'deg, transparent 50%, #39B4CC 50%),linear-gradient(90deg, #A2ECFB 50%, transparent 50%)');
}
var startDeg = $("#startDeg").attr("class");
activeBorder.css('transform', 'rotate(' + startDeg + 'deg)');
$("#circle").css('transform', 'rotate(' + (-startDeg) + 'deg)');
});Run Code Online (Sandbox Code Playgroud)
.container {
width: 110px;
height: 110px;
margin: 100px auto;
}
.prec {
top: 30px;
position: relative;
font-size: 30px;
}
.prec:after {
content: '%';
}
.circle {
position: relative;
top: 5px;
left: 5px;
text-align: center;
width: 100px;
height: 100px;
border-radius: 100%;
background-color: #E6F4F7;
}
.active-border {
position: relative;
text-align: center;
width: 110px;
height: 110px;
border-radius: 100%;
background-color: #39B4CC;
background-image: linear-gradient(91deg, transparent 50%, #A2ECFB 50%), linear-gradient(90deg, #A2ECFB 50%, transparent 50%);
}Run Code Online (Sandbox Code Playgroud)
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<div class="container">
<div id="activeBorder" class="active-border">
<div id="circle" class="circle">
<span class="prec">66</span>
<span id="startDeg" class="90"></span>
</div>
</div>
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$(function drawSector() {
// Get degrees
...
// Draw a sector
if (deg <= 180) {
activeBorder.css('background-image', 'linear-gradient(' + (90+deg) + 'deg, transparent 50%, #A2ECFB 50%), linear-gradient(90deg, #A2ECFB 50%, transparent 50%)');
}
else {
activeBorder.css('background-image', 'linear-gradient(' + (deg-90) + 'deg, transparent 50%, #39B4CC 50%), linear-gradient(90deg, #A2ECFB 50%, transparent 50%)');
}
// Rotate to meet the start degree
activeBorder.css('transform','rotate(' + startDeg + 'deg)');
});
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Sam*_*son 154
您可以绘制白色部分,而不是尝试绘制绿色部分:
pie {
border-radius: 50%;
background-color: green;
}
.ten {
background-image:
/* 10% = 126deg = 90 + ( 360 * .1 ) */
linear-gradient(126deg, transparent 50%, white 50%),
linear-gradient(90deg, white 50%, transparent 50%);
}
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pie {
width: 5em;
height: 5em;
display: block;
border-radius: 50%;
background-color: green;
border: 2px solid green;
float: left;
margin: 1em;
}
.ten {
background-image: linear-gradient(126deg, transparent 50%, white 50%), linear-gradient(90deg, white 50%, transparent 50%);
}
.twentyfive {
background-image: linear-gradient(180deg, transparent 50%, white 50%), linear-gradient(90deg, white 50%, transparent 50%);
}
.fifty {
background-image: linear-gradient(90deg, white 50%, transparent 50%);
}
/* Slices greater than 50% require first gradient
to be transparent -> green */
.seventyfive {
background-image: linear-gradient(180deg, transparent 50%, green 50%), linear-gradient(90deg, white 50%, transparent 50%);
}
.onehundred {
background-image: none;
}Run Code Online (Sandbox Code Playgroud)
<pie class="ten"></pie>
<pie class="twentyfive"></pie>
<pie class="fifty"></pie>
<pie class="seventyfive"></pie>
<pie class="onehundred"></pie>Run Code Online (Sandbox Code Playgroud)
演示:http://jsfiddle.net/jonathansampson/7PtEm/

如果它是一个选项,您可以使用SVG <circle>和<path>元素完成类似的效果.考虑以下:
<svg>
<circle cx="115" cy="115" r="110"></circle>
<path d="M115,115 L115,5 A110,110 1 0,1 190,35 z"></path>
</svg>
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以上是相当直接的.我们有一个包含圆和路径的元素.圆的中心位于115x115(使SVG元素为230x230).圆的半径为110,使其总宽度为220(边界为10).
然后我们添加一个<path>元素,这是本例中最复杂的部分.此元素具有一个属性,用于确定绘制路径的位置和方式.它以以下值开头:
M115,115
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这指示路径在上述圆圈的中心开始.接下来,我们从这个位置画一条线到下一个位置:
L115,5
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这将绘制一条从圆心到心元顶部的垂直线(嗯,距离顶部五个像素).在这一点上,事情变得有点复杂,但仍然非常容易理解.
我们现在从我们现在的位置绘制一个弧(115,5):
A110,110 1 0,1 190,35 z
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这将创建我们的弧并为其提供与我们的圆(110)匹配的半径.这两个值代表x半径和y半径,两者都是相等的,因为我们正在处理一个圆.下一组重要数字是最后一个,190,35.这告诉弧在哪里完成.
至于其余信息(1 0,1和z),它们控制弧本身的曲率,方向和终点.您可以通过查阅任何在线SVG路径参考来了解有关它们的更多信息.
要完成不同大小的"切片",只需更改190,35以反映更大或更小的坐标集.您可能会发现,如果要跨越180度,则需要创建第二个圆弧.
如果要从角度确定x和y坐标,可以使用以下等式:
x = cx + r * cos(a)
y = cy + r * sin(a)
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通过上面的例子,76度将是:
x = 115 + 110 * cos(76)
y = 115 + 110 * sin(76)
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这给了我们205.676,177.272.
轻松一点,您可以创建以下内容:
circle {
fill: #f1f1f1;
stroke: green;
stroke-width: 5;
}
path {
fill: green;
}
svg.pie {
width: 230px;
height: 230px;
}Run Code Online (Sandbox Code Playgroud)
<svg class="pie">
<circle cx="115" cy="115" r="110"></circle>
<path d="M115,115 L115,5 A110,110 1 0,1 190,35 z"></path>
</svg>
<svg class="pie">
<circle cx="115" cy="115" r="110"></circle>
<path d="M115,115 L115,5 A110,110 1 0,1 225,115 z"></path>
</svg>
<svg class="pie">
<circle cx="115" cy="115" r="110"></circle>
<path d="M115,115 L115,5 A110,110 1 0,1 115,225 A110,110 1 0,1 35,190 z"></path>
</svg>Run Code Online (Sandbox Code Playgroud)
演示:http://jsfiddle.net/jonathansampson/tYaVW/

The*_*ick 31
使用overflow和transform属性非常有可能,无需进行复杂的计算.
适用于小于180度的角度
添加宽高比为2:1和的元素overflow: hidden;
添加一个伪元素,其顶部边框半径与元素高度相同,底部半径为0.
Put transform-origin: 50% 100%;这将伪元素从其中间底部转换.
变换:rotate(); 通过补充所需角度的伪元素,
即,transform: rotate(180 - rqrd. angle);
看看它怎么运作 :

EG:
使用这种方法的40度部门:小提琴
div {
...
overflow: hidden;
...
}
div:before {
...
border-radius: 100px 100px 0 0;
transform-origin: 50% 100%;
transform: rotate(140deg);
...
}
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div {
height: 100px;
width: 200px;
overflow: hidden;
position: relative;
}
div:before {
height: inherit;
width: inherit;
position: absolute;
content: "";
border-radius: 100px 100px 0 0;
background-color: crimson;
-webkit-transform-origin: 50% 100%;
-moz-transform-origin: 50% 100%;
-ms-transform-origin: 50% 100%;
transform-origin: 50% 100%;
-webkit-transform: rotate(140deg);
-moz-transform: rotate(140deg);
-ms-transform: rotate(140deg);
transform: rotate(140deg);
}Run Code Online (Sandbox Code Playgroud)
<div></div>Run Code Online (Sandbox Code Playgroud)
你也可以将图像放入扇区!
这可以使用skew父元素上的变换和伪元素上的-ve skew 来完成:
小提琴
div {
...
overflow: hidden;
transform-origin: 0% 100%;
transform: skew(-50deg); /*Complement of rqrd angle*/
...
}
div:before {
...
transform-origin: 0% 100%;
transform: skew(50deg);
...
}
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看看它是如何工作的:

div {
height: 200px;
width: 200px;
overflow: hidden;
-webkit-transform-origin: 0% 100%;
-moz-transform-origin: 0% 100%;
-ms-transform-origin: 0% 100%;
transform-origin: 0% 100%;
-webkit-transform: skew(-50deg);
-moz-transform: skew(-50deg);
-ms-transform: skew(-50deg);
transform: skew(-50deg); /*Complement of rqrd angle or (90 - angle)*/
position: relative;
}
div:before {
height: inherit;
width: inherit;
position: absolute;
content: "";
border-radius: 0 200px 0 0;
background: url('http://www.placekitten.com/g/300/200/');
-webkit-transform-origin: 0% 100%;
-moz-transform-origin: 0% 100%;
-ms-transform-origin: 0% 100%;
transform-origin: 0% 100%;
-webkit-transform: skew(50deg);
-moz-transform: skew(50deg);
-ms-transform: skew(50deg);
transform: skew(50deg);
}Run Code Online (Sandbox Code Playgroud)
<div></div>Run Code Online (Sandbox Code Playgroud)
致谢:我不想成为一个自我窃取者,我使用了我以前在这里和这里使用过的想法.
Has*_*ami 18
这有帮助吗?
.circle {
width: 16em;
height: 16em;
border-radius: 50%;
background: linear-gradient(36deg, #272b66 42.34%, transparent 42.34%) 0 0;
background-repeat: no-repeat;
background-size: 50% 50%;
}Run Code Online (Sandbox Code Playgroud)
<div class="circle"></div>Run Code Online (Sandbox Code Playgroud)
实际上,这里需要进行一些几何计算.但让我简单解释一下:
考虑到圆中的四分之三,可以在每个季度计算线性梯度的角度.并background-position确定季度:
Q I => 100% 0
Q II => 100% 100%
Q III => 0 100%
Q IV => 0 0
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唯一剩下的就是使用过的颜色停止来自:
在第一季度考虑一个30角的圆圈.
正如才华横溢的安娜都铎在她的伟大文章中所解释的那样,如果我们采用正方形宽度a的长度,那么半对角线的长度将是a*sqrt(2)/2.
如果我们将梯度程度视为g两个梯度和对角线之间的差值,d则color-stop可以通过以下公式计算长度:
a*sin(g) / (a*sqrt(2)/2 * cos(d))
= sin(g) / (sqrt(2) /2 * cos(d))
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因此,在这种情况下,我们有sin(30deg) / (sqrt(2)*cos((45-30)deg)) = 0.3660,并且颜色停止的%值是36.60%
由于我们的形状是在第一季度,background-position是100% 0.
线性渐变将是这样的:
linear-gradient(-30deg, orange 36.60%, transparent 36.60%) 100% 0;
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.circle {
width: 16em;
height: 16em;
border-radius: 50%;
background: linear-gradient(-30deg, orange 36.60%, transparent 36.60%) 100% 0;
background-repeat: no-repeat;
background-size: 50% 50%;
}Run Code Online (Sandbox Code Playgroud)
<div class="circle"></div>Run Code Online (Sandbox Code Playgroud)
我建议阅读Ana的文章了解更多细节.
因为我根本找不到任何令人满意的答案,所以我不得不跪下来,使用剪辑路径功能和整个星期天的css来最终得到我想要的东西.
你可以选择一个开始和结束角度,然后元素将很好地绘制,没有别的.你只需要边界半径解决方案来绘制基圆.
我的解决方案适用于四个多边形的网格,每个多边形为0-90°的值提供可能的起点或终点.分别为0-100%,90-180° 0-100%等等,共享中心点,因此有两次4个分段.你可以把机械师想象成一个有多个段的望远镜杆,每个段从0到N进行分段作业.由于机械原因,同时仍保持代码清晰度(0-90,90-180 ..),i必须手动旋转(-45deg)div,以便0°== 12''.
这是一个小草图,可以说明我是如何做到的:

请注意,您不能将其用于任何商业目的,因为我没有在网上找到任何类似的解决方案,因此,需要有一些价值.请尊重这一点.
使用css von c绘制圆弧段.schaefer ist lizenziert unter einer Creative Commons Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International Lizenz.
<script src="http://code.jquery.com/jquery-latest.js"></script>
<style type="text/css">
.circle{
position: absolute;
top: 100px;
width: 600px;
height: 600px;
border-radius: 50%;
background-color: #FFFF00;
opacity: .9;
-webkit-transform: rotate(45deg);
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}
<script type="text/javaScript">
var obj;
var start, end;
function rangeStart(val) {
obj = $("body").find(".circle");
start = val;
setAngle(obj, start, end);
}
function rangeEnd(val) {
obj = $("body").find(".circle");
end = val;
setAngle(obj, start, end);
}
function applyMasking(obj) {
obj.css("-webkit-clip-path", ptsToString());
}
// not working for degree start to be lower than end, hence, we set the interface to automatically adapt to that exception:
/*
function checkForRangeExceptions() {
if(end < start) {
$("body").find("input[name='rangeLower']").val($("body").find("input[name='rangeUpper']").val());
$("body").find("input[name='rangeLower']").slider('refresh');
}
}
*/
// setInterval(doit, 200);
var angie = 0;
function doit() {
obj = $("body").find(".circle");
if(angie < 360)
angie+=15;
else angie = 0;
setAngle(obj, 0, angie);
}
function ptsToString() {
var str = "";
str+="polygon(";
for(var i=0; i < pts.length; i++) {
str+=pts[i].x+"% ";
if(i != pts.length-1)
str+=pts[i].y+"% ,";
else str+=pts[i].y+"%";
}
str+=")";
return str;
}
/*
gets passed an html element and sets its clip-path according to the passed angle,
starting at 0°; note that from a clock perspective, we start at +45° and hence have
to add that value to passed angles later on:
*/
var pts =
[
{x: 50, y: 50}, {x: 0, y: 0}, {x: 0, y: 0},
{x: 0, y: 0}, {x: 0, y: 0}, {x: 0, y: 0},
{x: 0, y: 0}, {x: 0, y: 0}, {x: 0, y: 0}
];
var lb, ub;
var sa, ea;
function setAngle(obj, start, end) {
// if no start, set 0° as default:
start = (start == undefined ? start = 0 : start);
// find out upper and lower sector bounds:
lb = (angleToSector(start) * 2) - 1;
ub = angleToSector(end) * 2;
// find start end end angles:
sa = mapAngleToPoint(start);
ea = mapAngleToPoint(end);
// now set points except start point which is 0:
for(var i=1; i < pts.length; i++) {
// set all below lb to lb:
if(i <= lb) { pts[i].x = sa.x; pts[i].y = sa.y; }
// set all in between to max values:
else if(i > lb && i < ub) {
pts[i] = setMax(i);
}
// set all above ub to ub:
else if(i >= ub) { pts[i].x = ea.x; pts[i].y = ea.y; }
}
// apply masking:
applyMasking(obj);
}
// assuming that 100 need to map 90°:
function angleToPerc(angle) {
return angle * (100/90);
}
function lowerBound(angle) {
return (mapAngleToSector(angle));
}
function uppperBound(angle){
return (mapAngleToSector(angle));
}
// sectors 1-4
function angleToSector(angle) {
if (angle >= 0 && angle < 90) return 1;
else if (angle >= 90 && angle < 180) return 2;
else if (angle >= 180 && angle < 270) return 3;
else if (angle >= 270 && angle <= 360) return 4;
}
// this maps the passed angle to a coordinate value:
var as;
function mapAngleToPoint(angle) {
var pt = {x: 0, y: 0};
as = angleToSector(angle);
if(as == 1) {pt.x = angleToPerc(angle); pt.y = 0; }
else if(as == 2) {pt.x = 100; pt.y = angleToPerc(angle-90)}
else if(as == 3) {pt.x = 100-angleToPerc(angle-180); pt.y = 100; }
else if(as == 4) {pt.x = 0; pt.y = 100-angleToPerc(angle-270); }
return pt;
}
// set a point to its max by index:
function setMax(index) {
var pt = {x: 0, y: 0};
if (index == 1 || index == 2) { pt.x = 100; pt.y = 0; }
else if (index == 3 || index == 4) { pt.x = 100; pt.y = 100; }
else if (index == 5 || index == 6) { pt.x = 0; pt.y = 100; }
else if (index == 7 || index == 8) { pt.x = 0; pt.y = 0; }
return pt;
}
</script>
</head>
<body>
<div class="circle">
</div>
<input type="range" name="rangeLower" value="0" min="0" max="360" onchange="rangeStart(this.value);">
<input type="range" name="rangeUpper" value="66"min="0" max="360" onchange="rangeEnd(this.value);">
</body>
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clip-path切一个部门(你需要做一些数学)你可以在这里玩clip-path
这是一个演示:
#skills {
position: relative;
width: 300px;
height: 300px;
margin: 30px auto;
}
.circle {
width: 100%;
height: 100%;
border-radius: 50%;
position: absolute;
}
.animate {
-webkit-transition: 0.2s cubic-bezier(.74,1.13,.83,1.2);
-moz-transition: 0.2s cubic-bezier(.74,1.13,.83,1.2);
-o-transition: 0.2s cubic-bezier(.74,1.13,.83,1.2);
transition: 0.2s cubic-bezier(.74,1.13,.83,1.2);
}
.animate:hover {
transform: scale(1.1);
transform-origin: center center;
}
#part1 {
background-color: #E64C65;
-webkit-clip-path: polygon(50% 0, 50% 50%, 100% 41.2%, 100% 0);
clip-path: polygon(50% 0, 50% 50%, 100% 41.2%, 100% 0);
}
#part2 {
background-color: #11A8AB;
-webkit-clip-path: polygon(50% 50%, 100% 41.2%, 100% 100%, 63.4% 100%);
clip-path: polygon(50% 50%, 100% 41.2%, 100% 100%, 63.4% 100%);
}
#part3 {
background-color: #4FC4F6;
-webkit-clip-path: polygon(50% 50%, 36.6% 100%, 63.4% 100%);
clip-path: polygon(50% 50%, 36.6% 100%, 63.4% 100%);
}
#part4 {
background-color: #FFED0D;
-webkit-clip-path: polygon(50% 50%, 0 100%, 36.6% 100%);
clip-path: polygon(50% 50%, 0 100%, 36.6% 100%);
}
#part5 {
background-color: #F46FDA;
-webkit-clip-path: polygon(50% 50%, 0 36.6%, 0 100%);
clip-path: polygon(50% 50%, 0 36.6%, 0 100%);
}
#part6 {
background-color: #15BFCC;
-webkit-clip-path: polygon(50% 50%, 0 36.6%, 0 0, 50% 0);
clip-path: polygon(50% 50%, 0 36.6%, 0 0, 50% 0);
}Run Code Online (Sandbox Code Playgroud)
<div id="skills">
<div id="part1" class="circle animate"></div>
<div id="part2" class="circle animate"></div>
<div id="part3" class="circle animate"></div>
<div id="part4" class="circle animate"></div>
<div id="part5" class="circle animate"></div>
<div id="part6" class="circle animate"></div>
</div>Run Code Online (Sandbox Code Playgroud)
2022更新:我正在编写纯 CSS 和最简单的解决方案Conic Gradient
尝试下面这个简短的代码:
.piechart {
display: block;
width: 100px;
height: 100px;
border-radius: 50%;
/* add sector degree here,
multiple colors for muptiple sectors */
background-image: conic-gradient(
pink 135deg,
transparent 0);
}Run Code Online (Sandbox Code Playgroud)
<div class="piechart"></div>Run Code Online (Sandbox Code Playgroud)
注意:如果您想用 % 值来支持它,那么可以简单地使用x * 360/100 或简称 ( x * 3.6) 度来代替 135 度,其中x是百分比
小智 7
我有另一种解决方案.
#pie {
position: relative;
width: 100px;
height: 100px;
background-color: #76dd76;
border-radius: 50%;
border: 1px solid #76dd76;
}
#pie:before,
#pie:after {
position: absolute;
content: "";
display: block;
width: 50%;
height: 50%;
-webkit-transform-origin: right bottom;
-moz-transform-origin: right bottom;
-ms-transform-origin: right bottom;
transform-origin: right bottom;
background-color: white;
border-top-left-radius: 100%;
}
#pie:after {
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
transform: rotate(45deg);
}Run Code Online (Sandbox Code Playgroud)
<div id="pie"></div>Run Code Online (Sandbox Code Playgroud)
小智 5
看到这个,以了解如何解决您的问题.
<div class="circle"></div>
.circle{
width: 100px;
height: 100px;
background-color: green;
border-radius: 100px;
position: relative;
}
.circle:before,
.circle:after {
border: 50px solid white;
border-color: transparent transparent white white;
border-radius: 100px;
content: '';
height: 0;
position: absolute;
top: 0;
left: 0;
width: 0;
/* this is to have it white from 180 to 360 degrees on the left side */
transform:rotate(45deg);
-ms-transform:rotate(45deg); /* IE 9 */
-webkit-transform:rotate(45deg); /* Safari and Chrome */
}
/* the green sector is now 180 minus 45 plus 0 degree */
.circle:after {
transform:rotate(0deg);
-ms-transform:rotate(0deg); /* IE 9 */
-webkit-transform:rotate(0deg); /* Safari and Chrome */
}
/* the green sector is now 180 minus 45 plus -75 degree */
/*.circle:after {
transform:rotate(-75deg);
-ms-transform:rotate(-75deg);
-webkit-transform:rotate(-75deg);
}*/
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这里的所有答案都很有创意.令人惊讶的是人们如何在很多方面解决同样的问题.Sampson接受的答案非常酷,但我不知道为什么他决定画出白色部分而不是绿色部分,所以我想分享一个实际绘制绿色的修改版本.我只是觉得这种方式更直接,所以我分享它以防其他人发现它也有用.
pie {
width: 5em;
height: 5em;
display: block;
border-radius: 50%;
border: 2px solid green;
float: left;
margin: 1em;
}
.ten {
background-image:
linear-gradient(-54deg, white 50%, transparent 50%),
linear-gradient(-90deg, green 50%, transparent 50%);
}
.twentyfive {
background-image:
linear-gradient(0deg, white 50%, transparent 50%),
linear-gradient(-90deg, green 50%, transparent 50%);
}
.fifty {
background-image:
linear-gradient(-90deg, green 50%, transparent 50%);
}
/* Slices greater than 50% require first gradient to be green -> transparent */
.seventyfive {
background-image:
linear-gradient(0deg, green 50%, transparent 50%),
linear-gradient(-90deg, green 50%, transparent 50%);
}
.onehundred {
background-color: green;
}Run Code Online (Sandbox Code Playgroud)
<pie class="ten"></pie>
<pie class="twentyfive"></pie>
<pie class="fifty"></pie>
<pie class="seventyfive"></pie>
<pie class="onehundred"></pie>Run Code Online (Sandbox Code Playgroud)
小智 5
您可以使用带有虚线的圆圈。
<svg viewBox="-8 -8 16 16">
<circle
cx="0"
cy="0"
r="4"
transform="rotate(270)"
stroke-width="8"
stroke-dasharray="4, 26"
stroke="green"
fill="none"
/>
</svg>
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stroke-dasharray值来确定您想要看到的饼图大小。额外奖励:使用圆形而不是路径的优点是,当您更改饼图大小时,您可以轻松地为它设置动画:只需transition: stroke-dasharray .5s;在圆形的 css 中添加类似的内容即可。