效果图:

代码:

<el-progress
              stroke-width="4"
              type="line"
              :percentage="91.23"
              class="custom-progress"
              color="transparent"
            >
              <template #default="{ percentage }">
                <div class="progress-label">{{ percentage }}%</div>
              </template>
            </el-progress>

样式代码:

.custom-progress {
  position: relative;
  width: 300px; /* 设置进度条的宽度 */
  background: transparent;
}
// 进度条颜色渐变
:deep(.custom-progress .el-progress-bar__inner) {
  background-image: linear-gradient(
    to right,
    rgba(0, 120, 255, 0.1),
    rgba(0, 160, 255, 1)
  );
}