SVG 渐变边框在 CSS 中的应用

<template>
  <div class="home">
  
    <div class="one">
      <svg width="100%" height="100%">
        <rect x="2" y="2" width="100%" height="100%" fill="none"
          style="width: calc(100% - 4px);height: calc(100% - 4px);" rx="4" stroke="url(#paint0_linear_1_2)"
          stroke-width="4" stroke-linecap="round" />
        <defs>
          <linearGradient id="paint0_linear_1_2" x1="0" y1="0" x2="1" y2="0">
            <stop stop-color="#FFD75A" />
            <stop offset="1" stop-color="#ED424B" />
          </linearGradient>
        </defs>
      </svg>

    </div>

    <div class="one">

      <svg width="100%" height="100%" viewBox="0 0 100% 100%" fill="none" xmlns="http://www.w3.org/2000/svg">
        <rect x="0" y="0" width="100%" height="100%" rx="4" stroke="url(#paint0_linear_1_2)" stroke-linecap="round" />
        <defs>
          <linearGradient id="paint0_linear_1_2" x1="0" y1="0" x2="1" y2="0">
            <stop stop-color="#FFD75A" />
            <stop offset="1" stop-color="#ED424B" />
          </linearGradient>
        </defs>
      </svg>

    </div>

    <div class="one">

      <svg width="100%" height="100%" fill="none" xmlns="http://www.w3.org/2000/svg">
        <rect x="2" y="2" width="100%" height="100%" style="width: calc(100% - 4px);height: calc(100% - 4px);"
          stroke-width="2" rx="16" stroke-linecap="round" stroke="url(#paint0_linear_3269_5233)"
          stroke-dasharray="8 6" />
        <defs>
          <linearGradient id="paint0_linear_3269_5233" x1="0" y1="0" x2="100%" y2="100%" gradientUnits="userSpaceOnUse">
            <stop stop-color="#FFD75A" />
            <stop offset="1" stop-color="#ED424B" />
          </linearGradient>
        </defs>
      </svg>


    </div>

    <div class="one">

      <svg width="100%" height="100%" fill="none" xmlns="http://www.w3.org/2000/svg">

        <rect class="rect" x="2" y="2" width="100%" height="100%" stroke-width="2" rx="16" stroke-linecap="round"
          stroke="url(#paint0_linear_5234_3269)" stroke-dasharray="8 6" />
        <defs>
          <linearGradient id="paint0_linear_5234_3269" x1="0" y1="0" x2="100%" y2="100%" gradientUnits="userSpaceOnUse">
            <stop stop-color="#00bbff" />
            <stop offset="1" stop-color="red" />
          </linearGradient>
        </defs>
      </svg>


    </div>

  </div>
</template>

<script>

export default {
  name: 'HomeView',
  data() {
    return {
     
    }
  },
  
}
</script>

<style scoped>
.home {
  width: 100%;
  height: 100%;
}

.one {
  width: 100px;
  height: 80px;
  display: inline-block;
  margin: 0 10px;
}

.rect {
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  animation: move .3s infinite linear;
}

@keyframes move {
  0% {
    stroke-dashoffset: 0;
  }

  100% {
    stroke-dashoffset: 14;
  }
}
</style>