<template> 
 | 
    <u-popup 
 | 
        mode="center" 
 | 
        :zoom="zoom" 
 | 
        :show="show" 
 | 
        :customStyle="{ 
 | 
            borderRadius: '6px',  
 | 
            overflow: 'hidden', 
 | 
            marginTop: `-${$u.addUnit(negativeTop)}` 
 | 
        }" 
 | 
        :closeOnClickOverlay="closeOnClickOverlay" 
 | 
        :safeAreaInsetBottom="false" 
 | 
        :duration="400" 
 | 
        @click="clickHandler" 
 | 
    > 
 | 
        <view 
 | 
            class="u-modal" 
 | 
            :style="{ 
 | 
                width: $u.addUnit(width), 
 | 
            }" 
 | 
        > 
 | 
            <text 
 | 
                class="u-modal__title" 
 | 
                v-if="title" 
 | 
            >{{ title }}</text> 
 | 
            <view 
 | 
                class="u-modal__content" 
 | 
                :style="{ 
 | 
                    paddingTop: `${title ? 12 : 25}px` 
 | 
                }" 
 | 
            > 
 | 
                <slot> 
 | 
                    <text class="u-modal__content__text">{{ 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> 
 | 
    </u-popup> 
 | 
</template> 
 | 
  
 | 
<script> 
 | 
    import props from './props.js'; 
 | 
    /** 
 | 
     * 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://www.uviewui.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,px,rpx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 
 | 
     * @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="true" title="title" content="content"></u-modal> 
 | 
     */ 
 | 
    export default { 
 | 
        name: 'u-modal', 
 | 
        mixins: [uni.$u.mpMixin, uni.$u.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 
 | 
            } 
 | 
        }, 
 | 
        methods: { 
 | 
            // 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; 
 | 
                } 
 | 
                this.$emit('confirm') 
 | 
            }, 
 | 
            // 点击取消按钮 
 | 
            cancelHandler() { 
 | 
                this.$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,虽然有遮罩,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('close') 
 | 
                } 
 | 
            } 
 | 
        } 
 | 
    } 
 | 
</script> 
 | 
  
 | 
<style lang="scss" scoped> 
 | 
    @import "../../libs/css/components.scss"; 
 | 
    $u-modal-border-radius: 6px; 
 | 
  
 | 
    .u-modal { 
 | 
        width: 650rpx; 
 | 
        border-radius: $u-modal-border-radius; 
 | 
        overflow: hidden; 
 | 
  
 | 
        &__title { 
 | 
            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> 
 |