uni-events-helper-wx/static/style/mixin/text-overflow.scss

// 文本格式化超出省略号  参数：宽度，单行/多行
@mixin text-overflow($width: null, $row: 1){
    @if $width != null{
        width: $width;
    }
    @if $row == 1{
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
    } @else {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: $row;
        overflow: hidden;
    }
}