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- <template>
- <view class="u-popup">
- <u-overlay
- :show="show"
- @click="overlayClick"
- v-if="overlay"
- :duration="overlayDuration"
- :customStyle="overlayStyle"
- :opacity="overlayOpacity"
- ></u-overlay>
- <u-transition
- :show="show"
- :customStyle="transitionStyle"
- :mode="position"
- :duration="duration"
- @afterEnter="afterEnter"
- @click="clickHandler"
- >
- <view
- class="u-popup__content"
- :style="[contentStyle]"
- @tap.stop="noop"
- >
- <u-status-bar v-if="safeAreaInsetTop"></u-status-bar>
- <slot></slot>
- <view
- v-if="closeable"
- @tap.stop="close"
- class="u-popup__content__close"
- :class="['u-popup__content__close--' + closeIconPos]"
- hover-class="u-popup__content__close--hover"
- hover-stay-time="150"
- >
- <u-icon
- name="close"
- color="#909399"
- size="18"
- bold
- ></u-icon>
- </view>
- <u-safe-bottom v-if="safeAreaInsetBottom"></u-safe-bottom>
- </view>
- </u-transition>
- </view>
- </template>
- <script>
- import props from './props.js';
- /**
- * popup 弹窗
- * @description 弹出层容器,用于展示弹窗、信息提示等内容,支持上、下、左、右和中部弹出。组件只提供容器,内部内容由用户自定义
- * @tutorial https://www.uviewui.com/components/popup.html
- * @property {Boolean} show 是否展示弹窗 (默认 false )
- * @property {Boolean} overlay 是否显示遮罩 (默认 true )
- * @property {String} mode 弹出方向(默认 'bottom' )
- * @property {String | Number} duration 动画时长,单位ms (默认 300 )
- * @property {String | Number} overlayDuration 遮罩层动画时长,单位ms (默认 350 )
- * @property {Boolean} closeable 是否显示关闭图标(默认 false )
- * @property {Object | String} overlayStyle 自定义遮罩的样式
- * @property {String | Number} overlayOpacity 遮罩透明度,0-1之间(默认 0.5)
- * @property {Boolean} closeOnClickOverlay 点击遮罩是否关闭弹窗 (默认 true )
- * @property {String | Number} zIndex 层级 (默认 10075 )
- * @property {Boolean} safeAreaInsetBottom 是否为iPhoneX留出底部安全距离 (默认 true )
- * @property {Boolean} safeAreaInsetTop 是否留出顶部安全距离(状态栏高度) (默认 false )
- * @property {String} closeIconPos 自定义关闭图标位置(默认 'top-right' )
- * @property {String | Number} round 圆角值(默认 0)
- * @property {Boolean} zoom 当mode=center时 是否开启缩放(默认 true )
- * @property {Object} customStyle 组件的样式,对象形式
- * @event {Function} open 弹出层打开
- * @event {Function} close 弹出层收起
- * @example <u-popup v-model="show"><text>出淤泥而不染,濯清涟而不妖</text></u-popup>
- */
- export default {
- name: 'u-popup',
- mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
- data() {
- return {
- overlayDuration: this.duration + 50
- }
- },
- watch: {
- show(newValue, oldValue) {
- if (newValue === true) {
- // #ifdef MP-WEIXIN
- const children = this.$children
- this.retryComputedComponentRect(children)
- // #endif
- }
- }
- },
- computed: {
- transitionStyle() {
- const style = {
- zIndex: this.zIndex,
- position: 'fixed',
- display: 'flex',
- }
- style[this.mode] = 0
- if (this.mode === 'left') {
- return uni.$u.deepMerge(style, {
- bottom: 0,
- top: 0,
- })
- } else if (this.mode === 'right') {
- return uni.$u.deepMerge(style, {
- bottom: 0,
- top: 0,
- })
- } else if (this.mode === 'top') {
- return uni.$u.deepMerge(style, {
- left: 0,
- right: 0
- })
- } else if (this.mode === 'bottom') {
- return uni.$u.deepMerge(style, {
- left: 0,
- right: 0,
- })
- } else if (this.mode === 'center') {
- return uni.$u.deepMerge(style, {
- alignItems: 'center',
- 'justify-content': 'center',
- top: 0,
- left: 0,
- right: 0,
- bottom: 0
- })
- }
- },
- contentStyle() {
- const style = {}
- // 通过设备信息的safeAreaInsets值来判断是否需要预留顶部状态栏和底部安全局的位置
- // 不使用css方案,是因为nvue不支持css的iPhoneX安全区查询属性
- const {
- safeAreaInsets
- } = uni.$u.sys()
- if (this.mode !== 'center') {
- style.flex = 1
- }
- // 背景色,一般用于设置为transparent,去除默认的白色背景
- if (this.bgColor) {
- style.backgroundColor = this.bgColor
- }
- if(this.round) {
- const value = uni.$u.addUnit(this.round)
- if(this.mode === 'top') {
- style.borderBottomLeftRadius = value
- style.borderBottomRightRadius = value
- } else if(this.mode === 'bottom') {
- style.borderTopLeftRadius = value
- style.borderTopRightRadius = value
- } else if(this.mode === 'center') {
- style.borderRadius = value
- }
- }
- return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle))
- },
- position() {
- if (this.mode === 'center') {
- return this.zoom ? 'fade-zoom' : 'fade'
- }
- if (this.mode === 'left') {
- return 'slide-left'
- }
- if (this.mode === 'right') {
- return 'slide-right'
- }
- if (this.mode === 'bottom') {
- return 'slide-up'
- }
- if (this.mode === 'top') {
- return 'slide-down'
- }
- },
- },
- methods: {
- // 点击遮罩
- overlayClick() {
- if (this.closeOnClickOverlay) {
- this.$emit('close')
- }
- },
- close(e) {
- this.$emit('close')
- },
- afterEnter() {
- this.$emit('open')
- },
- clickHandler() {
- // 由于中部弹出时,其u-transition占据了整个页面相当于遮罩,此时需要发出遮罩点击事件,是否无法通过点击遮罩关闭弹窗
- if(this.mode === 'center') {
- this.overlayClick()
- }
- this.$emit('click')
- },
- // #ifdef MP-WEIXIN
- retryComputedComponentRect(children) {
- // 组件内部需要计算节点的组件
- const names = ['u-calendar-month', 'u-album', 'u-collapse-item', 'u-dropdown', 'u-index-item', 'u-index-list',
- 'u-line-progress', 'u-list-item', 'u-rate', 'u-read-more', 'u-row', 'u-row-notice', 'u-scroll-list',
- 'u-skeleton', 'u-slider', 'u-steps-item', 'u-sticky', 'u-subsection', 'u-swipe-action-item', 'u-tabbar',
- 'u-tabs', 'u-tooltip'
- ]
- // 历遍所有的子组件节点
- for (let i = 0; i < children.length; i++) {
- const child = children[i]
- // 拿到子组件的子组件
- const grandChild = child.$children
- // 判断如果在需要重新初始化的组件数组中名中,并且存在init方法的话,则执行
- if (names.includes(child.$options.name) && typeof child?.init === 'function') {
- // 需要进行一定的延时,因为初始化页面需要时间
- uni.$u.sleep(50).then(() => {
- child.init()
- })
- }
- // 如果子组件还有孙组件,进行递归历遍
- if (grandChild.length) {
- this.retryComputedComponentRect(grandChild)
- }
- }
- }
- // #endif
- }
- }
- </script>
- <style lang="scss" scoped>
- @import "../../libs/css/components.scss";
- $u-popup-flex:1 !default;
- $u-popup-content-background-color: #fff !default;
- .u-popup {
- flex: $u-popup-flex;
- &__content {
- background-color: $u-popup-content-background-color;
- position: relative;
- &--round-top {
- border-top-left-radius: 0;
- border-top-right-radius: 0;
- border-bottom-left-radius: 10px;
- border-bottom-right-radius: 10px;
- }
- &--round-left {
- border-top-left-radius: 0;
- border-top-right-radius: 10px;
- border-bottom-left-radius: 0;
- border-bottom-right-radius: 10px;
- }
- &--round-right {
- border-top-left-radius: 10px;
- border-top-right-radius: 0;
- border-bottom-left-radius: 10px;
- border-bottom-right-radius: 0;
- }
- &--round-bottom {
- border-top-left-radius: 10px;
- border-top-right-radius: 10px;
- border-bottom-left-radius: 0;
- border-bottom-right-radius: 0;
- }
- &--round-center {
- border-top-left-radius: 10px;
- border-top-right-radius: 10px;
- border-bottom-left-radius: 10px;
- border-bottom-right-radius: 10px;
- }
- &__close {
- position: absolute;
- &--hover {
- opacity: 0.4;
- }
- }
- &__close--top-left {
- top: 15px;
- left: 15px;
- }
- &__close--top-right {
- top: 15px;
- right: 15px;
- }
- &__close--bottom-left {
- bottom: 15px;
- left: 15px;
- }
- &__close--bottom-right {
- right: 15px;
- bottom: 15px;
- }
- }
- }
- </style>
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