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uni_modules/uview-plus/components/u-loadmore/u-loadmore.vue 4.66 KB
a2702f6d   刘淇   巡查计划
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  <template>
  	<view
  	    class="u-loadmore"
  	    :style="[
  			addStyle(customStyle),
  			{
  				backgroundColor: bgColor,
  				marginBottom: addUnit(marginBottom),
  				marginTop: addUnit(marginTop),
  				height: 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';
  	import { mpMixin } from '../../libs/mixin/mpMixin';
  	import { mixin } from '../../libs/mixin/mixin';
  	import { addUnit, addStyle } from '../../libs/function/index';
  	/**
  	 * 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://uview-plus.jiangruyi.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: [mpMixin, mixin, props],
  		data() {
  			return {
  				// 粗点
  				dotText: "●"
  			}
  		},
  		computed: {
  			// 加载的文字显示的样式
  			loadTextStyle() {
  				return {
  					color: this.color,
  					fontSize: addUnit(this.fontSize),
  					lineHeight: 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;
  			}
  		},
  		emits: ["loadmore"],
  		methods: {
  			addStyle,
  			addUnit,
  			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>
  
  	.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>