| <template> | 
|     <u-popup | 
|         mode="center" | 
|         :zoom="zoom" | 
|         :show="show" | 
|         :customStyle="{ | 
|             borderRadius: '6px', | 
|             overflow: 'hidden', | 
|             marginTop: `-${$u.addUnit(negativeTop)}` | 
|         }" | 
|         :closeOnClickOverlay="closeOnClickOverlay" | 
|         :safeAreaInsetBottom="false" | 
|         :duration="duration" | 
|         @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 {Number}            duration            弹窗动画过度时间 (默认 400 ) | 
|      * @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> |