CNCEC_APP/uni_modules/uview-pro/components/u-loadmore/u-loadmore.vue

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<template>
<view
class="u-load-more-wrap"
:class="props.customClass"
:style="
$u.toStyle(props.customStyle, {
backgroundColor: props.bgColor,
marginBottom: props.marginBottom + 'rpx',
marginTop: props.marginTop + 'rpx',
height: $u.addUnit(props.height)
})
"
>
<u-line color="var(--u-divider-color)" length="50"></u-line>
<!-- 加载中和没有更多的状态才显示两边的横线 -->
<view :class="props.status == 'loadmore' || props.status == 'nomore' ? 'u-more' : ''" class="u-load-more-inner">
<view class="u-loadmore-icon-wrap">
<u-loading
class="u-loadmore-icon"
:color="props.iconColor"
:mode="props.iconType == 'circle' ? 'circle' : 'flower'"
:show="props.status == 'loading' && props.icon"
></u-loading>
</view>
<!-- 如果没有更多的状态下显示内容为dot粗点加载特定样式 -->
<view
class="u-line-1"
:style="$u.toStyle(loadTextStyle)"
:class="[props.status == 'nomore' && props.isDot == true ? 'u-dot-text' : 'u-more-text']"
@tap="loadMore"
>
{{ showText }}
</view>
</view>
<u-line color="var(--u-divider-color)" length="50"></u-line>
</view>
</template>
<script lang="ts">
export default {
name: 'u-loadmore',
options: {
addGlobalClass: true,
// #ifndef MP-TOUTIAO
virtualHost: true,
// #endif
styleIsolation: 'shared'
}
};
</script>
<script setup lang="ts">
import { ref, computed } from 'vue';
import { $u } from '../..';
import { LoadmoreProps } from './types';
/**
* 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://uviewpro.cn/zh/components/loadMore.html
* @property {String} status 组件状态默认loadmore
* @property {String} bg-color 组件背景颜色在页面是非白色时会用到默认var(--u-bg-white)
* @property {Boolean} icon 加载中时是否显示图标默认true
* @property {String} icon-type 加载中时的图标类型默认circle
* @property {String} icon-color icon-type为circle时有效加载中的动画图标的颜色默认var(--u-light-color)
* @property {Boolean} is-dot status为nomore时内容显示为一个"●"默认false
* @property {String} color 字体颜色默认var(--u-content-color)
* @property {String|Number} margin-top 到上一个相邻元素的距离
* @property {String|Number} margin-bottom 到下一个相邻元素的距离
* @property {Object} load-text 自定义显示的文字,见上方说明示例
* @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" />
*/
const props = defineProps(LoadmoreProps);
const emits = defineEmits(['loadmore']);
// 粗点
const dotText = ref('●');
// 加载的文字显示的样式
const loadTextStyle = computed(() => {
return {
color: props.color,
fontSize: props.fontSize + 'rpx',
position: 'relative' as const,
zIndex: 1,
backgroundColor: props.bgColor
// 如果是加载中状态,动画和文字需要距离近一点
};
});
// 加载中圆圈动画的样式
const cricleStyle = computed(() => {
return {
borderColor: `var(--u-divider-color) var(--u-divider-color) var(--u-divider-color) ${props.iconColor}`
};
});
// 加载中花朵动画形式
// 动画由base64图片生成暂不支持修改
const flowerStyle = computed(() => {
return {};
});
// 显示的提示文字
const showText = computed(() => {
let text = '';
if (props.status === 'loadmore') text = props.loadText.loadmore;
else if (props.status === 'loading') text = props.loadText.loading;
else if (props.status === 'nomore' && props.isDot) text = dotText.value;
else text = props.loadText.nomore;
return text;
});
/**
* 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
*/
function loadMore() {
if (props.status === 'loadmore') emits('loadmore');
}
</script>
<style scoped lang="scss">
@import '../../libs/css/style.components.scss';
/* #ifdef MP */
// 在mp.scss中赋予了u-line为flex: 1这里需要一个明确的长度所以重置掉它
// 在组件内部,把组件名(u-line)当做选择器,在微信开发工具会提示不合法,但不影响使用
u-line {
flex: none;
}
/* #endif */
.u-load-more-wrap {
@include vue-flex;
justify-content: center;
align-items: center;
}
.u-load-more-inner {
@include vue-flex;
justify-content: center;
align-items: center;
padding: 0 12rpx;
}
.u-more {
position: relative;
@include vue-flex;
justify-content: center;
}
.u-dot-text {
font-size: 28rpx;
}
.u-loadmore-icon-wrap {
margin-right: 8rpx;
}
.u-loadmore-icon {
@include vue-flex;
align-items: center;
justify-content: center;
}
</style>