433 lines
13 KiB
Vue
433 lines
13 KiB
Vue
<template>
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<view>
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<u-popup
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v-model="popupValue"
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mode="center"
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:zoom="effectiveConfig.zoom"
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:popup="false"
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:z-index="uZIndex"
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:length="effectiveConfig.width"
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:mask-close-able="effectiveConfig.maskCloseAble"
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:border-radius="effectiveConfig.borderRadius"
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:negative-top="effectiveConfig.negativeTop"
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:custom-class="effectiveConfig.customClass"
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@close="popupClose"
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>
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<view class="u-model" :style="$u.toStyle(effectiveConfig.customStyle)">
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<view
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v-if="effectiveConfig.showTitle"
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class="u-model__title u-line-1"
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:style="$u.toStyle(effectiveConfig.titleStyle)"
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>
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{{ effectiveConfig.title }}
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</view>
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<view class="u-model__content">
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<view v-if="slots.default" :style="$u.toStyle(effectiveConfig.contentStyle)">
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<slot />
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</view>
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<view v-else class="u-model__content__message" :style="$u.toStyle(effectiveConfig.contentStyle)">
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<text>{{ effectiveConfig.content }}</text>
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</view>
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</view>
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<view
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v-if="effectiveConfig.showCancelButton || effectiveConfig.showConfirmButton"
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class="u-model__footer u-border-top"
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>
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<view
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v-if="effectiveConfig.showCancelButton"
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:hover-stay-time="100"
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hover-class="u-model__btn--hover"
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class="u-model__footer__button"
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:style="$u.toStyle(cancelBtnStyle)"
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@tap="cancel"
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>
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{{ effectiveConfig.cancelText }}
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</view>
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<view
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v-if="effectiveConfig.showConfirmButton || slots['confirm-button']"
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class="u-model__footer__button hairline-left"
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:hover-stay-time="100"
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:hover-class="effectiveConfig.asyncClose ? 'none' : 'u-model__btn--hover'"
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:style="[confirmBtnStyle]"
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@tap="confirm"
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>
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<slot v-if="slots['confirm-button']" name="confirm-button"></slot>
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<template v-else>
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<u-loading mode="circle" :color="effectiveConfig.confirmColor" v-if="loading"></u-loading>
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<template v-else>
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{{ effectiveConfig.confirmText }}
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</template>
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</template>
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</view>
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</view>
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</view>
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</u-popup>
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</view>
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</template>
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<script lang="ts">
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export default {
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name: 'u-modal',
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options: {
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addGlobalClass: true,
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// #ifndef MP-TOUTIAO
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virtualHost: true,
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// #endif
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styleIsolation: 'shared'
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}
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};
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</script>
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<script setup lang="ts">
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import { ref, computed, watch, onMounted, onBeforeUnmount, useSlots } from 'vue';
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import { $u } from '../..';
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import { ModalProps } from './types';
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import {
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U_MODAL_EVENT_CLEAR_LOADING,
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U_MODAL_EVENT_HIDE,
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U_MODAL_EVENT_SHOW,
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U_MODAL_GLOBAL_EVENT_CLEAR_LOADING,
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U_MODAL_GLOBAL_EVENT_HIDE,
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U_MODAL_GLOBAL_EVENT_SHOW,
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getEventWithCurrentPage,
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type ModalPayload
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} from './service';
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/**
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* modal 模态框
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* @description 弹出模态框，常用于消息提示、消息确认、在当前页面内完成特定的交互操作
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* @tutorial https://uviewpro.cn/zh/components/modal.html
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* @property {Boolean} value 是否显示模态框
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* @property {String | Number} z-index 层级
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* @property {String} title 模态框标题（默认"提示"）
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* @property {String | Number} width 模态框宽度（默认600）
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* @property {String} content 模态框内容（默认"内容"）
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* @property {Boolean} show-title 是否显示标题（默认true）
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* @property {Boolean} async-close 是否异步关闭，只对确定按钮有效（默认false）
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* @property {Boolean} show-confirm-button 是否显示确认按钮（默认true）
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* @property {String | Number} negative-top modal往上偏移的值
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* @property {Boolean} show-cancel-button 是否显示取消按钮（默认false）
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* @property {Boolean} mask-close-able 是否允许点击遮罩关闭modal（默认false）
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* @property {String} confirm-text 确认按钮的文字内容（默认"确认"）
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* @property {String} cancel-text 取消按钮的文字内容（默认"取消"）
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* @property {String} cancel-color 取消按钮的颜色（默认"var(--u-content-color)"）
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* @property {String} confirm-color 确认按钮的文字内容（默认主题色primary）
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* @property {String | Number} border-radius 模态框圆角值，单位rpx（默认16）
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* @property {Object} title-style 自定义标题样式，对象形式
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* @property {Object} content-style 自定义内容样式，对象形式
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* @property {Object} cancel-style 自定义取消按钮样式，对象形式
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* @property {Object} confirm-style 自定义确认按钮样式，对象形式
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* @property {Boolean} zoom 是否开启缩放模式（默认true）
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* @event {Function} confirm 确认按钮被点击
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* @event {Function} cancel 取消按钮被点击
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* @example <u-modal :src="title" :content="content"></u-modal>
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*/
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const props = defineProps(ModalProps);
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const emit = defineEmits(['update:modelValue', 'confirm', 'cancel']);
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const slots = useSlots();
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// 确认按钮是否正在加载中
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const loading = ref(false);
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const isGlobal = computed(() => !!props.global);
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const isPage = computed(() => !!props.page);
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const showEvent = computed(() =>
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isGlobal.value
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? U_MODAL_GLOBAL_EVENT_SHOW
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: isPage.value
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? getEventWithCurrentPage(U_MODAL_EVENT_SHOW, props.page)
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: ''
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);
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const hideEvent = computed(() =>
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isGlobal.value
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? U_MODAL_GLOBAL_EVENT_HIDE
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: isPage.value
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? getEventWithCurrentPage(U_MODAL_EVENT_HIDE, props.page)
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: ''
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);
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const clearLoadingEvent = computed(() =>
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isGlobal.value
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? U_MODAL_GLOBAL_EVENT_CLEAR_LOADING
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: isPage.value
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? getEventWithCurrentPage(U_MODAL_EVENT_CLEAR_LOADING, props.page)
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: ''
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);
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// 存储用户传入的回调函数
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let userOnConfirm: (() => void) | null = null;
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let userOnCancel: (() => void) | null = null;
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// 需要与 effectiveConfig 合并的 props 键名列表（用于函数式调用）
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const MERGE_PROPS_KEYS = [
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'title',
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'content',
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'showTitle',
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'showConfirmButton',
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'showCancelButton',
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'confirmText',
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'cancelText',
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'confirmColor',
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'cancelColor',
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'confirmStyle',
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'cancelStyle',
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'titleStyle',
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'contentStyle',
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'asyncClose',
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'borderRadius',
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'width',
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'zoom',
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'maskCloseAble',
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'negativeTop',
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'zIndex',
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'customStyle',
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'customClass'
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] as const;
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// 函数式调用时的临时配置
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const tempConfig = ref<Partial<ModalPayload>>({});
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// 函数式调用时的内部显示状态（用于 global 模式）
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const internalShow = ref(false);
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// 有效的配置（函数式调用时合并 tempConfig 和 props，v-model 时使用 props）
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const effectiveConfig = computed(() => {
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// 如果有临时配置（函数式调用），合并用户配置与 props 默认值
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if (Object.keys(tempConfig.value).length > 0) {
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const result: Record<string, any> = {};
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for (const key of MERGE_PROPS_KEYS) {
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// 用户配置优先，否则使用 props 默认值
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result[key] = (tempConfig.value as Record<string, any>)[key] ?? (props as Record<string, any>)[key];
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}
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result.zIndex = tempConfig.value.zIndex ?? props.zIndex ?? $u.zIndex.popup;
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return result;
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}
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// v-model 直接控制时使用 props
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return props;
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});
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// 取消按钮样式
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const cancelBtnStyle = computed(() => {
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return Object.assign({ color: effectiveConfig.value.cancelColor }, effectiveConfig.value.cancelStyle);
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});
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// 确认按钮样式
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const confirmBtnStyle = computed(() => {
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return Object.assign({ color: effectiveConfig.value.confirmColor }, effectiveConfig.value.confirmStyle);
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});
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// 弹窗的样式
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const uZIndex = computed(() => effectiveConfig.value.zIndex ?? $u.zIndex.popup);
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// 是否使用内部状态控制显示（global 模式）
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const useInternalShow = computed(() => isGlobal.value || isPage.value);
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// 最终显示状态
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const finalShow = computed(() => {
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if (useInternalShow.value) {
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return internalShow.value;
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}
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return props.modelValue;
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});
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// u-popup 绑定的值
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const popupValue = computed({
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get: () => finalShow.value,
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set: (val: boolean) => {
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if (useInternalShow.value) {
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internalShow.value = val;
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} else {
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emit('update:modelValue', val);
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}
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}
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});
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// 如果是异步关闭时，外部修改v-model的值为false时，重置内部的loading状态，避免下次打开的时候，状态混乱
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watch(
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() => popupValue.value,
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n => {
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if (n === true) loading.value = false;
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}
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);
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/**
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* 确认按钮点击事件
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*/
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function confirm() {
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// 先调用回调，再重置配置
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const onConfirm = userOnConfirm;
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// 异步关闭
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if (effectiveConfig.value.asyncClose) {
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loading.value = true;
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} else {
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popupValue.value = false;
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// 延迟重置配置，避免闪屏
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setTimeout(() => resetTempConfig(), 300);
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}
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emit('confirm');
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// 调用函数式调用时用户传入的回调
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onConfirm?.();
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}
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/**
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* 取消按钮点击事件
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*/
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function cancel() {
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// 先调用回调，再重置配置
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const onCancel = userOnCancel;
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// 延迟重置配置，避免闪屏
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setTimeout(() => resetTempConfig(), 300);
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emit('cancel');
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popupValue.value = false;
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// 调用函数式调用时用户传入的回调
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onCancel?.();
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// 目前popup弹窗关闭有一个延时操作，此处做一个延时
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// 避免确认按钮文字变成了"确定"字样，modal还没消失，造成视觉不好的效果
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setTimeout(() => {
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loading.value = false;
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}, 300);
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}
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/**
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* 点击遮罩关闭modal，设置v-model的值为false，否则无法第二次弹起modal
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*/
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function popupClose() {
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popupValue.value = false;
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resetTempConfig();
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}
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/**
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* 清除加载中的状态
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*/
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function clearLoading() {
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loading.value = false;
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}
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/**
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* 函数式调用显示 modal
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*/
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function onServiceShow(payload: ModalPayload) {
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// 保存回调函数
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userOnConfirm = payload.onConfirm ?? null;
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userOnCancel = payload.onCancel ?? null;
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// 只保存用户传入的配置（过滤掉回调）
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const { onConfirm, onCancel, ...rest } = payload;
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tempConfig.value = rest;
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// 使用内部状态控制显示
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internalShow.value = true;
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}
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/**
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* 函数式调用关闭 modal
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*/
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function onServiceHide() {
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internalShow.value = false;
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resetTempConfig();
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}
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/**
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* 重置临时配置
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*/
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function resetTempConfig() {
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tempConfig.value = {};
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userOnConfirm = null;
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userOnCancel = null;
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}
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// 开始监听事件
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function startListeners() {
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// 如果为全局 toast，则先移除所有事件监听，再重新监听
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if (isGlobal.value) {
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removeAllListeners();
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}
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if (showEvent.value) {
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uni?.$on && uni.$on(showEvent.value, onServiceShow);
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}
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if (hideEvent.value) {
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uni?.$on && uni.$on(hideEvent.value, onServiceHide);
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}
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if (clearLoadingEvent.value) {
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uni?.$on && uni.$on(clearLoadingEvent.value, clearLoading);
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}
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}
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// 停止监听事件
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function stopListeners() {
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if (showEvent.value) {
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uni?.$off && uni.$off(showEvent.value, onServiceShow);
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}
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if (hideEvent.value) {
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uni?.$off && uni.$off(hideEvent.value, onServiceHide);
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}
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if (clearLoadingEvent.value) {
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uni?.$off && uni.$off(clearLoadingEvent.value, clearLoading);
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}
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}
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// 移除所有事件监听
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function removeAllListeners() {
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if (showEvent.value) {
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uni?.$off && uni.$off(showEvent.value);
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}
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if (hideEvent.value) {
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uni?.$off && uni.$off(hideEvent.value);
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}
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if (clearLoadingEvent.value) {
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uni?.$off && uni.$off(clearLoadingEvent.value);
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}
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}
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onMounted(() => {
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startListeners();
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});
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onBeforeUnmount(() => {
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stopListeners();
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});
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defineExpose({
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clearLoading
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});
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</script>
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<style lang="scss" scoped>
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@import '../../libs/css/style.components.scss';
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.u-model {
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height: auto;
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overflow: hidden;
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font-size: 32rpx;
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background-color: var(--u-bg-white);
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&__btn--hover {
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background-color: rgb(230, 230, 230);
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}
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&__title {
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padding-top: 48rpx;
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font-weight: 500;
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text-align: center;
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color: $u-main-color;
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}
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&__content {
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&__message {
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padding: 48rpx;
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font-size: 30rpx;
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text-align: center;
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color: $u-content-color;
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}
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}
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&__footer {
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@include vue-flex;
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&__button {
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flex: 1;
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height: 100rpx;
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line-height: 100rpx;
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font-size: 32rpx;
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box-sizing: border-box;
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cursor: pointer;
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text-align: center;
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border-radius: 4rpx;
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}
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}
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}
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</style>
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