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uni_modules/uview-plus/components/u-modal/u-modal.vue 7.73 KB
a2702f6d   刘淇   巡查计划
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  <template>
  	<u-popup
  		mode="center"
  		:zoom="zoom"
  		:show="show"
  		:class="[customClass]"
  		:customStyle="{
  			borderRadius: '6px', 
  			overflow: 'hidden',
  			marginTop: `-${addUnit(negativeTop)}`
  		}"
  		:closeOnClickOverlay="closeOnClickOverlay"
  		:safeAreaInsetBottom="false"
  		:duration="duration"
  		@click="clickHandler"
  	>
  		<view
  			class="u-modal"
  			:style="{
  				width: addUnit(width),
  			}"
  		>
  			<view
  				class="u-modal__title"
  				v-if="title"
  			>{{ title }}</view>
  			<view
  				class="u-modal__content"
  				:style="contentStyleCpu"
  			>
  				<slot>
  					<text class="u-modal__content__text" :style="{textAlign: contentTextAlign}">
  						{{ content }}
  					</text>
  				</slot>
  			</view>
  			<view
  				class="u-modal__button-group--confirm-button"
  				v-if="$slots.confirmButton"
  			>
  				<slot name="confirmButton"></slot>
  			</view>
  			<template v-else>
  				<u-line></u-line>
  				<view
  					class="u-modal__button-group"
  					:style="{
  						flexDirection: buttonReverse ? 'row-reverse' : 'row'
  					}"
  				>
  					<view
  						class="u-modal__button-group__wrapper u-modal__button-group__wrapper--cancel"
  						:hover-stay-time="150"
  						hover-class="u-modal__button-group__wrapper--hover"
  						:class="[showCancelButton && !showConfirmButton && 'u-modal__button-group__wrapper--only-cancel']"
  						v-if="showCancelButton"
  						@tap="cancelHandler"
  					>
  						<text
  							class="u-modal__button-group__wrapper__text"
  							:style="{
  								color: cancelColor
  							}"
  						>{{ cancelText }}</text>
  					</view>
  					<u-line
  						direction="column"
  						v-if="showConfirmButton && showCancelButton"
  					></u-line>
  					<view
  						class="u-modal__button-group__wrapper u-modal__button-group__wrapper--confirm"
  						:hover-stay-time="150"
  						hover-class="u-modal__button-group__wrapper--hover"
  						:class="[!showCancelButton && showConfirmButton && 'u-modal__button-group__wrapper--only-confirm']"
  						v-if="showConfirmButton"
  						@tap="confirmHandler"
  					>
  						<u-loading-icon v-if="loading"></u-loading-icon>
  						<text
  							v-else
  							class="u-modal__button-group__wrapper__text"
  							:style="{
  								color: confirmColor
  							}"
  						>{{ confirmText }}</text>
  					</view>
  				</view>
  			</template>
  		</view>
  		<template #bottom>
  			<slot name="popupBottom"></slot>
  		</template>
  	</u-popup>
  </template>
  
  <script>
  	import { props } from './props';
  	import { mpMixin } from '../../libs/mixin/mpMixin';
  	import { mixin } from '../../libs/mixin/mixin';
  	import { addUnit } from '../../libs/function/index';
  	/**
  	 * Modal 模态框
  	 * @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。
  	 * @tutorial https://uview-plus.jiangruyi.com/components/modul.html
  	 * @property {Boolean}			show				是否显示模态框,请赋值给show (默认 false 
  	 * @property {String}			title				标题内容
  	 * @property {String}			content				模态框内容,如传入slot内容,则此参数无效
  	 * @property {String}			confirmText			确认按钮的文字 (默认 '确认' 
  	 * @property {String}			cancelText			取消按钮的文字 (默认 '取消' 
  	 * @property {Boolean}			showConfirmButton	是否显示确认按钮 (默认 true 
  	 * @property {Boolean}			showCancelButton	是否显示取消按钮 (默认 false 
  	 * @property {String}			confirmColor		确认按钮的颜色 (默认 '#2979ff' 
  	 * @property {String}			cancelColor			取消按钮的颜色 (默认 '#606266' 
  	 * @property {Boolean}			buttonReverse		对调确认和取消的位置 (默认 false 
  	 * @property {Boolean}			zoom				是否开启缩放模式 (默认 true 
  	 * @property {Boolean}			asyncClose			是否异步关闭,只对确定按钮有效,见上方说明 (默认 false 
  	 * @property {Boolean}			closeOnClickOverlay	是否允许点击遮罩关闭Modal (默认 false 
  	 * @property {String | Number}	negativeTop			往上偏移的值,给一个负的margin-top,往上偏移,避免和键盘重合的情况,单位任意,数值则默认为px单位 (默认 0 
  	 * @property {String | Number}	width				modal宽度,不支持百分比,可以数值,pxrpx单位 (默认 '650rpx' 
  	 * @property {String}			confirmButtonShape	确认按钮的样式,如设置,将不会显示取消按钮
  	 * @property {Number}			duration			弹窗动画过度时间 (默认 400 
  	 * @event {Function} confirm	点击确认按钮时触发
  	 * @event {Function} cancel		点击取消按钮时触发
  	 * @event {Function} close		点击遮罩关闭出发,closeOnClickOverlay为true有效
  	 * @example <u-modal :show="show" />
  	 */
  	export default {
  		name: 'u-modal',
  		mixins: [mpMixin, mixin, props],
  		data() {
  			return {
  				loading: false
  			}
  		},
  		watch: {
  			show(n) {
  				// 为了避免第一次打开modal,又使用了异步关闭的loading
  				// 第二次打开modal时,loading依然存在的情况
  				if (n && this.loading) this.loading = false
  			}
  		},
  		emits: ["confirm", "cancel", "close", "update:show", 'cancelOnAsync'],
  		computed: {
  			contentStyleCpu() {
  				let style = this.contentStyle;
  				style.paddingTop = `${this.title ? 12 : 25}px`
  				return style;
  			}
  		},
  		methods: {
  			addUnit,
  			// 点击确定按钮
  			confirmHandler() {
  				// 如果配置了异步关闭,将按钮值为loading状态
  				if (this.asyncClose) {
  					this.loading = true;
  				} else {
  					this.$emit('update:show', false)
  				}
  				this.$emit('confirm')
  			},
  			// 点击取消按钮
  			cancelHandler() {
  				// 如果点击了确定按钮,确定按钮正在请求接口执行异步操作,那么限制不能取消。
  				if (this.asyncClose && this.loading) {
  					if (this.asyncCloseTip) {
  						uni.showToast({
  							title: this.asyncCloseTip,
  							icon: 'none'
  						});
  					}
  					this.$emit('cancelOnAsync')
  				} else {
  					// 如果配置了取消时异步关闭
  					if (!this.asyncCancelClose) {
  						this.$emit('update:show', false)
  					}
  				}
  				this.$emit('cancel')
  			},
  			// 点击遮罩
  			// 从原理上来说,modal的遮罩点击,并不是真的点击到了遮罩
  			// 因为modal依赖于popup的中部弹窗类型,中部弹窗比较特殊,虽有然遮罩,但是为了让弹窗内容能flex居中
  			// 多了一个透明的遮罩,此透明的遮罩会覆盖在灰色的遮罩上,所以实际上是点击不到灰色遮罩的,popup内部在
  			// 透明遮罩的子元素做了.stop处理,所以点击内容区,也不会导致误触发
  			clickHandler() {
  				if (this.closeOnClickOverlay) {
  					this.$emit('update:show', false)
  					this.$emit('close')
  				}
  			}
  		}
  	}
  </script>
  
  <style lang="scss" scoped>
  	$u-modal-border-radius: 6px;
  
  	.u-modal {
  		width: 650rpx;
  		border-radius: $u-modal-border-radius;
  		overflow: hidden;
  
  		&__title {
  			display: flex;
  			flex-direction: column;
  			justify-content: center;
  			align-items: center;
  			font-size: 16px;
  			font-weight: bold;
  			color: $u-content-color;
  			text-align: center;
  			padding-top: 25px;
  		}
  
  		&__content {
  			padding: 12px 25px 25px 25px;
  			@include flex;
  			justify-content: center;
  
  			&__text {
  				font-size: 15px;
  				color: $u-content-color;
  				flex: 1;
  			}
  		}
  
  		&__button-group {
  			@include flex;
  
  			&--confirm-button {
  				flex-direction: column;
  				padding: 0px 25px 15px 25px;
  			}
  
  			&__wrapper {
  				flex: 1;
  				@include flex;
  				justify-content: center;
  				align-items: center;
  				height: 48px;
  				
  				&--confirm,
  				&--only-cancel {
  					border-bottom-right-radius: $u-modal-border-radius;
  				}
  				
  				&--cancel,
  				&--only-confirm {
  					border-bottom-left-radius: $u-modal-border-radius;
  				}
  
  				&--hover {
  					background-color: $u-bg-color;
  				}
  
  				&__text {
  					color: $u-content-color;
  					font-size: 16px;
  					text-align: center;
  				}
  			}
  		}
  	}
  </style>