如何将下面的svg图像缩小到40px到40px。
我已经尝试改变viewBox以及高度和宽度，但我似乎无法正确改造
<html>
<body>
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c-0.034-2.191-1.926-4.08-4.114-4.106c-2.364-0.029-4.233,1.838-4.214,4.207C642.831,380.308,644.551,381.999,646.895,382.019z"></path></g></svg>
</body>
</html>
答案 0 :(得分：0)
您需要的只是一个包装器：
.svg-control {
width: 40px;
display: inline-block;
}
.svg-control svg {
width: 100%;
height: auto;
}
.svg-control {
width: 40px;
display: inline-block;
}
.svg-control svg {
width: 100%;
height: auto;
}<span class="svg-control">
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" width="1000px" height="1000px" viewBox="0 0 1000 1000" enable-background="new 0 0 1000 1000"><g class="cow__container"><path fill-rule="evenodd" clip-rule="evenodd" d="M884,329.64c-1.122,5.369-2.196,10.749-3.374,16.105 c-5.812,26.44-14.017,52.028-27.338,75.751c-8.967,15.969-19.913,30.313-34.847,41.242c-17.124,12.532-36.314,17.801-57.453,16.278 c-15.802-1.139-30.767-5.478-45.043-12.084c-5.87-2.717-11.806-3.102-17.942-2.617c-3.539,0.28-7.031,1.141-10.631,1.754 c0.009,0.118-0.085-0.121-0.007-0.265c10.652-19.542,8.98-38.777-1.587-57.698c-1.23-2.204-1.374-3.731-0.087-5.998 c4.313-7.596,6.408-15.77,5.273-24.585c-0.039-0.302-0.005-0.613-0.005-0.933c12.388-4.38,22.498-12.23,30.922-21.735 c21.579-24.352,48.968-38.988,79.189-49.157c13.771-4.634,27.94-7.222,42.558-6.92c9.435,0.195,18.555,1.809,27.24,5.592 c6.401,2.788,10.529,7.59,12.593,14.226c0.106,0.344,0.355,0.644,0.538,0.965C884,322.92,884,326.28,884,329.64z M813.712,411.235 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</span>
现在通过调整包装器的宽度来控制<svg>的宽度。
根据为什么不改变viewBox的工作原因，因为<svg>是一个理论上具有无限大小的文档，而viewBox只是你通过这个文档观看的窗口。 <svg>不是图片。这是一份文件。
参考：为什么需要viewBox（在评论中）。
A：它需要viewBox，因此您可以定义在您的上下文中打印的内容的大小，以便控制它。如果您使用viewBox并使用CSS调整<svg>的大小，则会根据viewBox和<svg>大小之间的比率转换打印内容。没有viewBox，您无法控制svg的内容。它只是始终打印相同的大小，svg单位和文档像素之间的比例为1：1，文档中的<svg>充当viewBox。如果更大，你会看到所有内容，但它们不会伸展到合适的状态。当较小时，内容将被裁剪。如果没有viewBox，则无法控制<svg>内容的大小。这就是您需要viewBox。