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