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