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96 lines
3.1 KiB
96 lines
3.1 KiB
<template>
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<view class="uv-loading-page uv-flex-column" v-if="showLoading" :style="[loadingPageStyle]">
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<image v-if="image!=''" :src="image" class="uv-loading-page__img" mode="widthFit" :style="[{
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width: $uv.addUnit(iconSize),
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height: $uv.addUnit(iconSize)
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}]"></image>
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<uv-loading-icon v-else :mode="loadingMode" :size="iconSize" :color="loadingColor"></uv-loading-icon>
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<slot>
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<text class="uv-loading-page__text" :style="[{
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fontSize: $uv.addUnit(fontSize),
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color: color
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}]">{{ loadingText }}</text>
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</slot>
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</view>
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</template>
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<script>
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import mpMixin from '@/uni_modules/uv-ui-tools/libs/mixin/mpMixin.js'
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import mixin from '@/uni_modules/uv-ui-tools/libs/mixin/mixin.js'
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import props from "./props.js";
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/**
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* loadingPage 加载动画
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* @description 警此组件为一个小动画，目前用在uvui的loadmore加载更多和switch开关等组件的正在加载状态场景。
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* @tutorial https://www.uvui.cn/components/loading.html
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*
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* @property {Boolean} loading 是否加载中 （默认 false ）
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* @property {String | Number} loadingText 提示内容 (默认 '正在加载' )
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* @property {String} image 文字上方用于替换loading动画的图片
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* @property {String} loadingMode 加载动画的模式，circle-圆形，spinner-花朵形，semicircle-半圆形 （默认 'circle' ）
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* @property {String} bgColor 背景色 （默认 '#ffffff' ）
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* @property {String} color 文字颜色 （默认 '#C8C8C8' ）
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* @property {String | Number} fontSize 文字大小 （默认 19 ）
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* @property {String | Number} iconSize 图标大小 （默认 28 ）
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* @property {String} loadingColor 加载中图标的颜色，只能rgb或者十六进制颜色值 （默认 '#C8C8C8' ）
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* @property {String | Number} duration 关闭加载时的过渡时间，单位ms （默认 300 ）
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*
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* @example <uv-loading mode="circle"></uv-loading>
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*/
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export default {
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name: "uv-loading-page",
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mixins: [mpMixin, mixin, props],
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data() {
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return {
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showLoading: false,
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opacity: 1
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}
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},
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watch: {
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loading: {
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immediate: true,
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handler(newVal) {
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if (newVal) {
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this.showLoading = true;
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this.opacity = 1;
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} else {
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this.opacity = 0;
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this.$nextTick(() => {
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this.$uv.sleep(this.duration).then(res => {
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this.showLoading = false;
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})
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})
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}
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}
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}
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},
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computed: {
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loadingPageStyle() {
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const style = {
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'position': 'fixed',
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'top': '0',
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'left': '0',
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'right': '0',
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'bottom': '0',
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'zIndex': '999',
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'background-color': this.bgColor,
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'transition-duration': `${this.duration}ms`,
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'opacity': this.opacity
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}
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return this.$uv.deepMerge(style, this.$uv.addStyle(this.customStyle))
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}
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}
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}
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</script>
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<style scoped lang="scss">
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@import '@/uni_modules/uv-ui-tools/libs/css/components.scss';
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$uv-loading-icon-margin-bottom: 10px !default;
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.uv-loading-page {
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flex: 1;
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justify-content: center;
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align-items: center;
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padding-bottom: 150px;
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transition-property: opacity;
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&__text {
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margin-top: $uv-loading-icon-margin-bottom;
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}
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}
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</style>
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