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<template>
<view
class="u-empty"
:style="[emptyStyle]"
v-if="show"
>
<u-icon
v-if="!isSrc"
:name="mode === 'message' ? 'chat' : `empty-${mode}`"
:size="iconSize"
:color="iconColor"
margin-top="14"
></u-icon>
<image
v-else
:style="{
width: addUnit(width),
height: addUnit(height),
}"
:src="icon"
mode="widthFix"
></image>
<text
class="u-empty__text"
:style="[textStyle]"
>{{text ? text : icons[mode]}}</text>
<view class="u-empty__wrap" v-if="$slots.default || $slots.$default">
<slot />
</view>
</view>
</template>
<script>
import { props } from './props';
import { mpMixin } from '../../libs/mixin/mpMixin';
import { mixin } from '../../libs/mixin/mixin';
import { addUnit, addStyle, deepMerge } from '../../libs/function/index';
/**
* empty 内容为空
* @description 该组件用于需要加载内容但是加载的第一页数据就为空提示一个"没有内容"的场景 我们精心挑选了十几个场景的图标方便您使用
* @tutorial https://ijry.github.io/uview-plus/components/empty.html
* @property {String} icon 内置图标名称或图片路径建议绝对路径
* @property {String} text 提示文字
* @property {String} textColor 文字颜色 (默认 '#c0c4cc' )
* @property {String | Number} textSize 文字大小 默认 14
* @property {String} iconColor 图标的颜色 默认 '#c0c4cc'
* @property {String | Number} iconSize 图标的大小 默认 90
* @property {String} mode 选择预置的图标类型 默认 'data'
* @property {String | Number} width 图标宽度单位px 默认 160
* @property {String | Number} height 图标高度单位px 默认 160
* @property {Boolean} show 是否显示组件 默认 true
* @property {String | Number} marginTop 组件距离上一个元素之间的距离默认px单位 默认 0
* @property {Object} customStyle 定义需要用到的外部样式
*
* @event {Function} click 点击组件时触发
* @event {Function} close 点击关闭按钮时触发
* @example <u-empty text="所谓伊人,在水一方" mode="list"></u-empty>
*/
export default {
name: "u-empty",
mixins: [mpMixin, mixin, props],
data() {
return {
icons: {
car: '购物车为空',
page: '页面不存在',
search: '没有搜索结果',
address: '没有收货地址',
wifi: '没有WiFi',
order: '订单为空',
coupon: '没有优惠券',
favor: '暂无收藏',
permission: '无权限',
history: '无历史记录',
news: '无新闻列表',
message: '消息列表为空',
list: '列表为空',
data: '数据为空',
comment: '暂无评论',
}
}
},
computed: {
// 组件样式
emptyStyle() {
const style = {}
style.marginTop = addUnit(this.marginTop)
// 合并customStyle样式此参数通过mixin中的props传递
return deepMerge(addStyle(this.customStyle), style)
},
// 文本样式
textStyle() {
const style = {}
style.color = this.textColor
style.fontSize = addUnit(this.textSize)
return style
},
// 判断icon是否图片路径
isSrc() {
return this.icon.indexOf('/') >= 0
}
},
methods: {
addUnit
}
}
</script>
<style lang="scss" scoped>
@import '../../libs/css/components.scss';
$u-empty-text-margin-top:20rpx !default;
$u-empty-slot-margin-top:20rpx !default;
.u-empty {
@include flex;
flex-direction: column;
justify-content: center;
align-items: center;
&__text {
@include flex;
justify-content: center;
align-items: center;
margin-top: $u-empty-text-margin-top;
}
}
.u-slot-wrap {
@include flex;
justify-content: center;
align-items: center;
margin-top:$u-empty-slot-margin-top;
}
</style>