一、方案一
background: linear-gradient(
to left,
transparent 0%,
transparent 50%,
#dedede 50%,
#dedede 100%
);
// 18rpx 调节虚线宽度宽度
background-size: 18rpx 1px;
background-repeat: repeat-x;
二、方案二
background: linear-gradient(white, white) padding-box,
repeating-linear-gradient(-45deg, #EEEEEE 0, #EEEEEE 3px, white 0, white 6px);