409 lines
11 KiB
Vue
409 lines
11 KiB
Vue
<template>
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<view
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v-if="visibleSync"
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:style="[
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customStyle,
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{
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zIndex: fuZindex - 1,
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},
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]"
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:class="{ 'fu-drawer-visible': showDrawer }"
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class="fu-drawer"
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hover-stop-propagation
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>
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<fu-mask
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:custom-style="maskCustomStyle"
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:maskClickAble="maskCloseAble"
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:z-index="fuZindex - 2"
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:show="showDrawer && mask"
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@click="maskClick"
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></fu-mask>
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<view
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class="fu-drawer-content"
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@tap="modeCenterClose(mode)"
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:class="[
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safeAreaInsetBottom ? 'safe-area-inset-bottom' : '',
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'fu-drawer-' + mode,
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showDrawer ? 'fu-drawer-content-visible' : '',
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zoom && mode == 'center' ? 'fu-animation-zoom' : '',
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]"
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@touchmove.stop.prevent
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@tap.stop.prevent
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:style="[style]"
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>
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<view class="fu-mode-center-box" @tap.stop.prevent @touchmove.stop.prevent v-if="mode == 'center'" :style="[centerStyle]">
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<scroll-view class="fu-drawer-scroll-view" scroll-y="true">
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<slot />
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</scroll-view>
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</view>
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<scroll-view class="fu-drawer-scroll-view" scroll-y="true" v-else>
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<slot />
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</scroll-view>
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</view>
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</view>
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</template>
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<script>
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/**
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* popup 弹窗
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* @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
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* @property {String} mode 弹出方向（默认left）
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* @property {Boolean} mask 是否显示遮罩（默认true）
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* @property {Boolean} zoom 是否开启缩放动画，只在mode为center时有效（默认true）
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* @property {Boolean} safe-area-inset-bottom 是否开启底部安全区适配（默认false）
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* @property {Boolean} mask-close-able 点击遮罩是否可以关闭弹出层（默认true）
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* @property {String} transition 运动轨迹 值为 css3 transition 值
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* @property {Object} custom-style 用户自定义样式
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* @property {Stringr | Number} negative-top 中部弹出时，往上偏移的值
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* @property {Numberr | String} border-radius 弹窗圆角值（默认0）
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* @property {Numberr | String} z-index 弹出内容的z-index值（默认1075）
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* @event {Function} open 弹出层打开
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* @event {Function} close 弹出层收起
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* @example <fu-popup v-model="show"><view>Fast-UI真是太好用了</view></fu-popup>
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*/
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export default {
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name: 'fu-popup',
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props: {
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// 显示状态
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show: {
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type: Boolean,
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default: false,
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},
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// 弹出方向，left|right|top|bottom|center
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mode: {
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type: String,
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default: 'left',
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},
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// 是否显示遮罩
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mask: {
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type: Boolean,
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default: true,
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},
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// 是否开启缩放动画，只在mode=center时有效
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zoom: {
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type: Boolean,
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default: true,
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},
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// 是否开启底部安全区适配，开启的话，会在iPhoneX机型底部添加一定的内边距
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safeAreaInsetBottom: {
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type: Boolean,
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default: false,
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},
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// 是否可以通过点击遮罩进行关闭
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maskCloseAble: {
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type: Boolean,
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default: true,
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},
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// 用户自定义样式
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customStyle: {
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type: Object,
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default() {
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return {}
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},
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},
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value: {
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type: Boolean,
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default: false,
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},
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// 此为内部参数，不在文档对外使用，为了解决Picker和keyboard等融合了弹窗的组件
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// 对v-model双向绑定多层调用造成报错不能修改props值的问题
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popup: {
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type: Boolean,
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default: true,
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},
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// 显示显示弹窗的圆角，单位rpx
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borderRadius: {
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type: [Number, String],
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default: 0,
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},
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zIndex: {
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type: [Number, String],
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default: '',
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},
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// 宽度，只对左，右，中部弹出时起作用，单位rpx，或者"auto" 或者百分比"50%"，表示由内容撑开高度或者宽度
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width: {
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type: String,
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default: '',
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},
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// 高度，只对上，下，中部弹出时起作用，单位rpx，或者"auto" 或者百分比"50%"，表示由内容撑开高度或者宽度
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height: {
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type: String,
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default: '',
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},
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// 运动轨迹 值为 'all ease .3s'
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transition: {
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type: String,
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default: 'all 0.2s ease',
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},
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// 给一个负的margin-top，往上偏移，避免和键盘重合的情况，仅在mode=center时有效
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negativeTop: {
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type: [String, Number],
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default: 0,
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},
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// 遮罩的样式，一般用于修改遮罩的透明度
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maskCustomStyle: {
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type: Object,
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default() {
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return {}
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},
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},
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},
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data() {
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return {
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visibleSync: false,
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showDrawer: false,
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timer: null,
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closeFromInner: false, // value的值改变，是发生在内部还是外部
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}
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},
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computed: {
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// 根据mode的位置，设定其弹窗的宽度(mode = left|right)，或者高度(mode = top|bottom)
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style() {
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let style = {}
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// 如果是左边或者上边弹出时，需要给translate设置为负值，用于隐藏
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if (this.mode == 'left' || this.mode == 'right') {
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style = {
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transition: this.transition,
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width: this.getUnitValue(this.width),
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height: '100%',
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transform: `translate3D(${this.mode == 'left' ? '-100%' : '100%'},0px,0px)`,
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}
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} else if (this.mode == 'top' || this.mode == 'bottom') {
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style = {
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width: '100%',
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transition: this.transition,
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height: this.getUnitValue(this.height),
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transform: `translate3D(0px,${this.mode == 'top' ? '-100%' : '100%'},0px)`,
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}
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}
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style.zIndex = this.fuZindex
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// 如果用户设置了borderRadius值，添加弹窗的圆角
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if (this.borderRadius) {
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switch (this.mode) {
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case 'left':
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style.borderRadius = `0 ${this.borderRadius}rpx ${this.borderRadius}rpx 0`
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break
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case 'top':
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style.borderRadius = `0 0 ${this.borderRadius}rpx ${this.borderRadius}rpx`
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break
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case 'right':
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style.borderRadius = `${this.borderRadius}rpx 0 0 ${this.borderRadius}rpx`
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break
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case 'bottom':
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style.borderRadius = `${this.borderRadius}rpx ${this.borderRadius}rpx 0 0`
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break
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default:
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}
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// 不加可能圆角无效
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style.overflow = 'hidden'
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}
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return style
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},
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// 中部弹窗的特有样式
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centerStyle() {
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let style = {}
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style.width = this.getUnitValue(this.width)
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// 中部弹出的模式，如果没有设置高度，就用auto值，由内容撑开高度
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style.height = this.height ? this.getUnitValue(this.height) : 'auto'
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style.zIndex = this.fuZindex
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style.marginTop = `-${this.negativeTop}`
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if (this.borderRadius) {
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style.borderRadius = `${this.borderRadius}rpx`
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style.overflow = 'hidden'
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}
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return style
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},
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// 计算整理后的z-index值
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fuZindex() {
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return this.zIndex ? this.zIndex : 10000
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},
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},
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watch: {
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value(val) {
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if (val) {
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this.open()
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} else if (!this.closeFromInner) {
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this.close()
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}
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this.closeFromInner = false
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},
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},
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mounted() {
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// 组件渲染完成时，检查value是否为true，如果是，弹出popup
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this.value && this.open()
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},
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methods: {
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// 判断传入的值，是否带有单位，如果没有，就默认用rpx单位
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getUnitValue(val) {
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if (/(%|px|rpx|auto)$/.test(val)) return val
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else return val + 'rpx'
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},
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// 遮罩被点击
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maskClick() {
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console.log('点击了关闭遮罩层')
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this.close()
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},
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close() {
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// 标记关闭是内部发生的，否则修改了value值，导致watch中对value检测，导致再执行一遍close
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// 造成@close事件触发两次
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this.closeFromInner = true
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this.change('showDrawer', 'visibleSync', false)
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},
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// 中部弹出时，需要.fu-drawer-content将居中内容，此元素会铺满屏幕，点击需要关闭弹窗
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// 让其只在mode=center时起作用
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modeCenterClose(mode) {
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if (mode != 'center' || !this.maskCloseAble) return
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this.close()
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},
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open() {
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this.change('visibleSync', 'showDrawer', true)
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},
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// 此处的原理是，关闭时先通过动画隐藏弹窗和遮罩，再移除整个组件
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// 打开时，先渲染组件，延时一定时间再让遮罩和弹窗的动画起作用
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change(param1, param2, status) {
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// 如果this.popup为false，意味着为picker，actionsheet等组件调用了popup组件
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if (this.popup == true) {
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this.$emit('input', status)
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}
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this[param1] = status
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if (status) {
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// #ifdef H5 || MP
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this.timer = setTimeout(() => {
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this[param2] = status
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this.$emit(status ? 'open' : 'close')
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}, 50)
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// #endif
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// #ifndef H5 || MP
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this.$nextTick(() => {
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this[param2] = status
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this.$emit(status ? 'open' : 'close')
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})
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// #endif
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} else {
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this.timer = setTimeout(() => {
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this[param2] = status
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this.$emit(status ? 'open' : 'close')
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}, 300)
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}
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},
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},
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}
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</script>
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<style scoped lang="scss">
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.#{$fu-prefix} {
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&-drawer {
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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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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overflow: hidden;
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}
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&-drawer-content {
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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position: absolute;
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z-index: 1003;
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transition: all 0.2s ease;
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}
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&-drawer-scroll-view {
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width: 100%;
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height: 100%;
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}
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&-drawer-left {
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top: 0;
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bottom: 0;
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left: 0;
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background-color: #ffffff;
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}
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&-drawer-right {
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right: 0;
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top: 0;
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bottom: 0;
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background-color: #ffffff;
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}
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&-drawer-top {
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top: 0;
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left: 0;
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right: 0;
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background-color: #ffffff;
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}
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&-drawer-bottom {
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bottom: 0;
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left: 0;
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right: 0;
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background-color: #ffffff;
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}
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&-drawer-center {
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/* #ifndef APP-NVUE */
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display: flex;
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flex-direction: column;
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/* #endif */
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bottom: 0;
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left: 0;
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right: 0;
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top: 0;
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justify-content: center;
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align-items: center;
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opacity: 0;
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z-index: 99999;
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}
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&-mode-center-box {
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min-width: 100rpx;
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min-height: 100rpx;
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/* #ifndef APP-NVUE */
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display: block;
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/* #endif */
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position: relative;
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}
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&-drawer-content-visible.#{$fu-prefix}-drawer-center {
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transform: scale(1);
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opacity: 1;
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}
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&-animation-zoom {
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transform: scale(1.5);
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}
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&-drawer-content-visible {
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transform: translate3D(0px, 0px, 0px) !important;
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}
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}
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</style>
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