vant-weapp/dist/common/style/ellipsis.wxss

.van-ellipsis{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.van-multi-ellipsis--l2{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2}.van-multi-ellipsis--l3{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:3}