<i-circle      :size="216"      :trail-width="4"      :stroke-width="5"      :percent="90"      stroke-linecap="square"      :stroke-color="['#F5A114','#FBCF2D']"    >

注意:4.0.0 版本开始支持传入数组显示为渐变色
:stroke-color="['#F5A114','#FBCF2D']"