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<template>
<view
class="u-line"
:style="[lineStyle]"
>
</view>
</template>
<script>
import props from './props.js';
/**
* line 线条
* @description 此组件一般用于显示一根线条,用于分隔内容块,有横向和竖向两种模式,且能设置0.5px线条,使用也很简单
* @tutorial https://www.uviewui.com/components/line.html
* @property {String} color 线条的颜色 ( 默认 '#d6d7d9' )
* @property {String | Number} length 长度,竖向时表现为高度,横向时表现为长度,可以为百分比,带px单位的值等 ( 默认 '100%' )
* @property {String} direction 线条的方向,row-横向,col-竖向 (默认 'row' )
* @property {Boolean} hairline 是否显示细线条 (默认 true )
* @property {String | Number} margin 线条与上下左右元素的间距,字符串形式,如"30px" (默认 0 )
* @property {Boolean} dashed 是否虚线,true-虚线,false-实线 (默认 false )
* @property {Object} customStyle 定义需要用到的外部样式
* @example <u-line color="red"></u-line>
*/
export default {
name: 'u-line',
mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
computed: {
lineStyle() {
const style = {}
style.margin = this.margin
// 如果是水平线条,边框高度为1px,再通过transform缩小一半,就是0.5px了
if (this.direction === 'row') {
// 此处采用兼容分开写,兼容nvue的写法
style.borderBottomWidth = '1px'
style.borderBottomStyle = this.dashed ? 'dashed' : 'solid'
style.width = uni.$u.addUnit(this.length)
if (this.hairline) style.transform = 'scaleY(0.5)'
} else {
// 如果是竖向线条,边框宽度为1px,再通过transform缩小一半,就是0.5px了
style.borderLeftWidth = '1px'
style.borderLeftStyle = this.dashed ? 'dashed' : 'solid'
style.height = uni.$u.addUnit(this.length)
if (this.hairline) style.transform = 'scaleX(0.5)'
}
style.borderColor = this.color
return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle))
}
}
}
</script>
<style lang="scss" scoped>
@import "../../libs/css/components.scss";
.u-line {
/* #ifndef APP-NVUE */
vertical-align: middle;
/* #endif */
}
</style>