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huazhiyu/uni_modules/uview-ui/components/u-loadmore/u-loadmore.vue

150 lines
4.5 KiB

<template>
<view
class="u-loadmore"
:style="[
$u.addStyle(customStyle),
{
backgroundColor: bgColor,
marginBottom: $u.addUnit(marginBottom),
marginTop: $u.addUnit(marginTop),
height: $u.addUnit(height),
},
]"
>
<u-line
length="140rpx"
:color="lineColor"
:hairline="false"
:dashed="dashed"
v-if="line"
></u-line>
<!-- 加载中和没有更多的状态才显示两边的横线 -->
<view
:class="status == 'loadmore' || status == 'nomore' ? 'u-more' : ''"
class="u-loadmore__content"
>
<view
class="u-loadmore__content__icon-wrap"
v-if="status === 'loading' && icon"
>
<u-loading-icon
:color="iconColor"
:size="iconSize"
:mode="loadingIcon"
></u-loading-icon>
</view>
<!-- 如果没有更多的状态下显示内容为dot粗点加载特定样式 -->
<text
class="u-line-1"
:style="[loadTextStyle]"
:class="[(status == 'nomore' && isDot == true) ? 'u-loadmore__content__dot-text' : 'u-loadmore__content__text']"
@tap="loadMore"
>{{ showText }}</text>
</view>
<u-line
length="140rpx"
:color="lineColor"
:hairline="false"
:dashed="dashed"
v-if="line"
></u-line>
</view>
</template>
<script>
import props from './props.js';
/**
* loadmore 加载更多
* @description 此组件一般用于标识页面底部加载数据时的状态。
* @tutorial https://www.uviewui.com/components/loadMore.html
* @property {String} status 组件状态(默认 'loadmore' )
* @property {String} bgColor 组件背景颜色,在页面是非白色时会用到(默认 'transparent' )
* @property {Boolean} icon 加载中时是否显示图标(默认 true )
* @property {String | Number} fontSize 字体大小(默认 14 )
* @property {String | Number} iconSize 图标大小(默认 17 )
* @property {String} color 字体颜色(默认 '#606266' )
* @property {String} loadingIcon 加载图标(默认 'circle' )
* @property {String} loadmoreText 加载前的提示语(默认 '加载更多' )
* @property {String} loadingText 加载中提示语(默认 '正在加载...' )
* @property {String} nomoreText 没有更多的提示语(默认 '没有更多了' )
* @property {Boolean} isDot 到上一个相邻元素的距离 (默认 false )
* @property {String} iconColor 加载中图标的颜色 (默认 '#b7b7b7' )
* @property {String} lineColor 线条颜色(默认 #E6E8EB )
* @property {String | Number} marginTop 上边距 (默认 10 )
* @property {String | Number} marginBottom 下边距 (默认 10 )
* @property {String | Number} height 高度,单位px (默认 'auto' )
* @property {Boolean} line 是否显示左边分割线 (默认 false )
* @property {Boolean} dashed // 是否虚线,true-虚线,false-实线 (默认 false )
* @event {Function} loadmore status为loadmore时,点击组件会发出此事件
* @example <u-loadmore :status="status" icon-type="iconType" load-text="loadText" />
*/
export default {
name: "u-loadmore",
mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
data() {
return {
// 粗点
dotText: "●"
}
},
computed: {
// 加载的文字显示的样式
loadTextStyle() {
return {
color: this.color,
fontSize: uni.$u.addUnit(this.fontSize),
lineHeight: uni.$u.addUnit(this.fontSize),
backgroundColor: this.bgColor,
}
},
// 显示的提示文字
showText() {
let text = '';
if (this.status == 'loadmore') text = this.loadmoreText
else if (this.status == 'loading') text = this.loadingText
else if (this.status == 'nomore' && this.isDot) text = this.dotText;
else text = this.nomoreText;
return text;
}
},
methods: {
loadMore() {
// 只有在“加载更多”的状态下才发送点击事件,内容不满一屏时无法触发底部上拉事件,所以需要点击来触发
if (this.status == 'loadmore') this.$emit('loadmore');
}
}
}
</script>
<style lang="scss" scoped>
@import "../../libs/css/components.scss";
.u-loadmore {
@include flex(row);
align-items: center;
justify-content: center;
flex: 1;
&__content {
margin: 0 15px;
@include flex(row);
align-items: center;
justify-content: center;
&__icon-wrap {
margin-right: 8px;
}
&__text {
font-size: 14px;
color: $u-content-color;
}
&__dot-text {
font-size: 15px;
color: $u-tips-color;
}
}
}
</style>