我正在尝试建立星级评定功能,但惊讶地发现给我最大麻烦的部分是弄清楚如何获得星形。在我看来,考虑到我已经构建的内容,最直接的方法是尝试使用SVG星形在显示等级的div元素上创建剪切路径。我对一般意义上的clip-path很熟悉,并已将其用于更基本的形状,但是要了解如何将其与svg一起使用以及为什么我的当前代码无法正常工作(我不完全了解svg)我典型的驾驶室)。
编码:
const stars = document.getElementsByClassName('star');
function fillStars(starClasses, placeRating) {
const wholeFill = Math.floor(placeRating);
const decimalFill = placeRating % 1;
const yellowFill = decimalFill.toFixed(2).toString().replace('0.', '');
for (let i = 0; i < wholeFill; i++) {
starClasses[i].style.backgroundColor = '#fbff01';
}
if (placeRating - wholeFill !== 0) {
starClasses[starClasses.length - 1].style.background = `linear-gradient(90deg, #fbff01 ${yellowFill}%, #FFFFFF 0%)`;
}
}
fillStars(stars, 4.3);
.star {
width: 30px;
height: 30px;
border: solid 1px gray;
clip-path: url(#star-clip);
}
#rating {
display: flex;
}
<svg xmlns="http://www.w3.org/2000/svg" width="0" height="0">
<defs>
<clipPath id="star-clip" clipPathUnits="objectBoundingBox">
<rect fill="#fff" id="canvas_background" height="40" width="41" y="-1" x="-1"/>
<rect fill="url(#gridpattern)" stroke-width="0" y="0" x="0" height="100%" width="100%"/>
<path id="svg_1" d="m3.885,14.64105l11.84103,0l3.65897,-12.22295l3.65897,12.22295l11.84103,0l-9.57958,7.55411l3.65916,12.22295l-9.57958,-7.55431l-9.57958,7.55431l3.65916,-12.22295l-9.57958,-7.55411z" stroke-width="1.5" stroke="#000" fill="#fff"/>
</clipPath>
</defs>
</svg>
<div id="header">
<div id="rating">
<div id="star-1" class="star"></div>
<div id="star-2" class="star"></div>
<div id="star-3" class="star"></div>
<div id="star-4" class="star"></div>
<div id="star-5" class="star"></div>
</div>
</div>
关于从原始SVG尺寸计算clipPath的0-1范围,这里有一个很好的答案。
.star {
width: 30px;
height: 30px;
clip-path: url(#star-clip);
background: Gold;
}
#rating {
display: flex;
}
<svg xmlns="http://www.w3.org/2000/svg" width="0" height="0">
<defs>
<clipPath id="star-clip" clipPathUnits="objectBoundingBox" transform="scale(0.025, 0.02439)">
<path d="m3.885,14.64105l11.84103,0l3.65897,-12.22295l3.65897,12.22295l11.84103,0l-9.57958,7.55411l3.65916,12.22295l-9.57958,-7.55431l-9.57958,7.55431l3.65916,-12.22295l-9.57958,-7.55411z" />
</clipPath>
</defs>
</svg>
<div id="rating">
<div id="star-1" class="star"></div>
<div id="star-2" class="star"></div>
<div id="star-3" class="star"></div>
<div id="star-4" class="star"></div>
<div id="star-5" class="star"></div>
</div>
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