| <template> | 
|     <view | 
|         class="u-tooltip" | 
|         :style="[$u.addStyle(customStyle)]" | 
|     > | 
|         <u-overlay | 
|             :show="showTooltip && tooltipTop !== -10000 && overlay" | 
|             customStyle="backgroundColor: rgba(0, 0, 0, 0)" | 
|             @click="overlayClickHandler" | 
|         ></u-overlay> | 
|         <view class="u-tooltip__wrapper"> | 
|             <text | 
|                 class="u-tooltip__wrapper__text" | 
|                 :id="textId" | 
|                 :ref="textId" | 
|                 :userSelect="false" | 
|                 :selectable="false" | 
|                 @longpress.stop="longpressHandler" | 
|                 :style="{ | 
|                     color: color, | 
|                     backgroundColor: bgColor && showTooltip && tooltipTop !== -10000 ? bgColor : 'transparent' | 
|                 }" | 
|             >{{ text }}</text> | 
|             <u-transition | 
|                 mode="fade" | 
|                 :show="showTooltip" | 
|                 duration="300" | 
|                 :customStyle="{ | 
|                     position: 'absolute',  | 
|                     top: $u.addUnit(tooltipTop), | 
|                     zIndex: zIndex, | 
|                     ...tooltipStyle | 
|                 }" | 
|             > | 
|                 <view | 
|                     class="u-tooltip__wrapper__popup" | 
|                     :id="tooltipId" | 
|                     :ref="tooltipId" | 
|                 > | 
|                     <view | 
|                         class="u-tooltip__wrapper__popup__indicator" | 
|                         hover-class="u-tooltip__wrapper__popup__indicator--hover" | 
|                         v-if="showCopy || buttons.length" | 
|                         :style="[indicatorStyle, { | 
|                             width: $u.addUnit(indicatorWidth), | 
|                             height: $u.addUnit(indicatorWidth), | 
|                         }]" | 
|                     > | 
|                         <!-- 由于nvue不支持三角形绘制,这里就做一个四方形,再旋转45deg,得到露出的一个三角 --> | 
|                     </view> | 
|                     <view class="u-tooltip__wrapper__popup__list"> | 
|                         <view | 
|                             v-if="showCopy" | 
|                             class="u-tooltip__wrapper__popup__list__btn" | 
|                             hover-class="u-tooltip__wrapper__popup__list__btn--hover" | 
|                             @tap="setClipboardData" | 
|                         > | 
|                             <text | 
|                                 class="u-tooltip__wrapper__popup__list__btn__text" | 
|                             >复制</text> | 
|                         </view> | 
|                         <u-line | 
|                             direction="column" | 
|                             color="#8d8e90" | 
|                             v-if="showCopy && buttons.length > 0" | 
|                             length="18" | 
|                         ></u-line> | 
|                         <block v-for="(item , index) in buttons" :key="index"> | 
|                             <view | 
|                                 class="u-tooltip__wrapper__popup__list__btn" | 
|                                 hover-class="u-tooltip__wrapper__popup__list__btn--hover" | 
|                             > | 
|                                 <text | 
|                                     class="u-tooltip__wrapper__popup__list__btn__text" | 
|                                     @tap="btnClickHandler(index)" | 
|                                 >{{ item }}</text> | 
|                             </view> | 
|                             <u-line | 
|                                 direction="column" | 
|                                 color="#8d8e90" | 
|                                 v-if="index < buttons.length - 1" | 
|                                 length="18" | 
|                             ></u-line> | 
|                         </block> | 
|                     </view> | 
|                 </view> | 
|             </u-transition> | 
|         </view> | 
|     </view> | 
| </template> | 
|   | 
| <script> | 
|     import props from './props.js'; | 
|     // #ifdef APP-NVUE  | 
|     const dom = uni.requireNativePlugin('dom') | 
|     // #endif | 
|     // #ifdef H5 | 
|     import ClipboardJS from "./clipboard.min.js" | 
|     // #endif | 
|     /** | 
|      * Tooltip  | 
|      * @description  | 
|      * @tutorial https://www.uviewui.com/components/tooltip.html | 
|      * @property {String | Number}    text        需要显示的提示文字 | 
|      * @property {String | Number}    copyText    点击复制按钮时,复制的文本,为空则使用text值 | 
|      * @property {String | Number}    size        文本大小(默认 14 ) | 
|      * @property {String}            color        字体颜色(默认 '#606266' ) | 
|      * @property {String}            bgColor        弹出提示框时,文本的背景色(默认 'transparent' ) | 
|      * @property {String}            direction    弹出提示的方向,top-上方,bottom-下方(默认 'top' ) | 
|      * @property {String | Number}    zIndex        弹出提示的z-index,nvue无效(默认 10071 ) | 
|      * @property {Boolean}            showCopy    是否显示复制按钮(默认 true ) | 
|      * @property {Array}            buttons        扩展的按钮组 | 
|      * @property {Boolean}            overlay        是否显示透明遮罩以防止触摸穿透(默认 true ) | 
|      * @property {Object}            customStyle    定义需要用到的外部样式 | 
|      *  | 
|      * @event {Function}  | 
|      * @example  | 
|      */ | 
|     export default { | 
|         name: 'u-tooltip', | 
|         mixins: [uni.$u.mpMixin, uni.$u.mixin, props], | 
|         data() { | 
|             return { | 
|                 // 是否展示气泡 | 
|                 showTooltip: true, | 
|                 // 生成唯一id,防止一个页面多个组件,造成干扰 | 
|                 textId: uni.$u.guid(), | 
|                 tooltipId: uni.$u.guid(), | 
|                 // 初始时甚至为很大的值,让其移到屏幕外面,为了计算元素的尺寸 | 
|                 tooltipTop: -10000, | 
|                 // 气泡的位置信息 | 
|                 tooltipInfo: { | 
|                     width: 0, | 
|                     left: 0 | 
|                 }, | 
|                 // 文本的位置信息 | 
|                 textInfo: { | 
|                     width: 0, | 
|                     left: 0 | 
|                 }, | 
|                 // 三角形指示器的样式 | 
|                 indicatorStyle: {}, | 
|                 // 气泡在可能超出屏幕边沿范围时,重新定位后,距离屏幕边沿的距离 | 
|                 screenGap: 12, | 
|                 // 三角形指示器的宽高,由于对元素进行了角度旋转,精确计算指示器位置时,需要用到其尺寸信息 | 
|                 indicatorWidth: 14, | 
|             } | 
|         }, | 
|         watch: { | 
|             propsChange() { | 
|                 this.getElRect() | 
|             } | 
|         }, | 
|         computed: { | 
|             // 特别处理H5的复制,因为H5浏览器是自带系统复制功能的,在H5环境 | 
|             // 当一些依赖参数变化时,需要重新计算气泡和指示器的位置信息 | 
|             propsChange() { | 
|                 return [this.text, this.buttons] | 
|             }, | 
|             // 计算气泡和指示器的位置信息 | 
|             tooltipStyle() { | 
|                 const style = { | 
|                         transform: `translateY(${this.direction === 'top' ? '-100%' : '100%'})`, | 
|                     }, | 
|                     sys = uni.$u.sys(), | 
|                     getPx = uni.$u.getPx, | 
|                     addUnit = uni.$u.addUnit | 
|                 if (this.tooltipInfo.width / 2 > this.textInfo.left + this.textInfo.width / 2 - this.screenGap) { | 
|                     this.indicatorStyle = {} | 
|                     style.left = `-${addUnit(this.textInfo.left - this.screenGap)}` | 
|                     this.indicatorStyle.left = addUnit(this.textInfo.width / 2 - getPx(style.left) - this.indicatorWidth / | 
|                         2) | 
|                 } else if (this.tooltipInfo.width / 2 > sys.windowWidth - this.textInfo.right + this.textInfo.width / 2 - | 
|                     this.screenGap) { | 
|                     this.indicatorStyle = {} | 
|                     style.right = `-${addUnit(sys.windowWidth - this.textInfo.right - this.screenGap)}` | 
|                     this.indicatorStyle.right = addUnit(this.textInfo.width / 2 - getPx(style.right) - this | 
|                         .indicatorWidth / 2) | 
|                 } else { | 
|                     const left = Math.abs(this.textInfo.width / 2 - this.tooltipInfo.width / 2) | 
|                     style.left = this.textInfo.width > this.tooltipInfo.width ? addUnit(left) : -addUnit(left) | 
|                     this.indicatorStyle = {} | 
|                 } | 
|                 if (this.direction === 'top') { | 
|                     style.marginTop = '-10px' | 
|                     this.indicatorStyle.bottom = '-4px' | 
|                 } else { | 
|                     style.marginBottom = '-10px' | 
|                     this.indicatorStyle.top = '-4px' | 
|                 } | 
|                 return style | 
|             } | 
|         }, | 
|         mounted() { | 
|             this.init() | 
|         }, | 
|         methods: { | 
|             init() { | 
|                 this.getElRect() | 
|             }, | 
|             // 长按触发事件 | 
|             async longpressHandler() { | 
|                 this.tooltipTop = 0 | 
|                 this.showTooltip = true | 
|             }, | 
|             // 点击透明遮罩 | 
|             overlayClickHandler() { | 
|                 this.showTooltip = false | 
|             }, | 
|             // 点击弹出按钮 | 
|             btnClickHandler(index) { | 
|                 this.showTooltip = false | 
|                 // 如果需要展示复制按钮,此处index需要加1,因为复制按钮在第一个位置 | 
|                 this.$emit('click', this.showCopy ? index + 1 : index) | 
|             }, | 
|             // 查询内容高度 | 
|             queryRect(ref) { | 
|                 // #ifndef APP-NVUE | 
|                 // $uGetRect为uView自带的节点查询简化方法,详见文档介绍:https://www.uviewui.com/js/getRect.html | 
|                 // 组件内部一般用this.$uGetRect,对外的为uni.$u.getRect,二者功能一致,名称不同 | 
|                 return new Promise(resolve => { | 
|                     this.$uGetRect(`#${ref}`).then(size => { | 
|                         resolve(size) | 
|                     }) | 
|                 }) | 
|                 // #endif | 
|   | 
|                 // #ifdef APP-NVUE | 
|                 // nvue下,使用dom模块查询元素高度 | 
|                 // 返回一个promise,让调用此方法的主体能使用then回调 | 
|                 return new Promise(resolve => { | 
|                     dom.getComponentRect(this.$refs[ref], res => { | 
|                         resolve(res.size) | 
|                     }) | 
|                 }) | 
|                 // #endif | 
|             }, | 
|             // 元素尺寸 | 
|             getElRect() { | 
|                 // 调用之前,先将指示器调整到屏幕外,方便获取尺寸 | 
|                 this.showTooltip = true | 
|                 this.tooltipTop = -10000 | 
|                 uni.$u.sleep(500).then(() => { | 
|                     this.queryRect(this.tooltipId).then(size => { | 
|                         this.tooltipInfo = size | 
|                         // 获取气泡尺寸之后,将其隐藏,为了让下次切换气泡显示与隐藏时,有淡入淡出的效果 | 
|                         this.showTooltip = false | 
|                     }) | 
|                     this.queryRect(this.textId).then(size => { | 
|                         this.textInfo = size | 
|                     }) | 
|                 }) | 
|             }, | 
|             // 复制文本到粘贴板 | 
|             setClipboardData() { | 
|                 // 关闭组件 | 
|                 this.showTooltip = false | 
|                 this.$emit('click', 0) | 
|                 // #ifndef H5 | 
|                 uni.setClipboardData({ | 
|                     // 优先使用copyText字段,如果没有,则默认使用text字段当做复制的内容 | 
|                     data: this.copyText || this.text, | 
|                     success: () => { | 
|                         this.showToast && uni.$u.toast('复制成功') | 
|                     }, | 
|                     fail: () => { | 
|                         this.showToast && uni.$u.toast('复制失败') | 
|                     }, | 
|                     complete: () => { | 
|                         this.showTooltip = false | 
|                     } | 
|                 }) | 
|                 // #endif | 
|   | 
|                 // #ifdef H5 | 
|                 let event = window.event || e || {} | 
|                 let clipboard = new ClipboardJS('', { | 
|                     text: () => this.copyText || this.text | 
|                 }) | 
|                 clipboard.on('success', (e) => { | 
|                     this.showToast && uni.$u.toast('复制成功') | 
|                     clipboard.off('success') | 
|                     clipboard.off('error') | 
|                     // 在单页应用中,需要销毁DOM的监听 | 
|                     clipboard.destroy() | 
|                 }) | 
|                 clipboard.on('error', (e) => { | 
|                     this.showToast && uni.$u.toast('复制失败') | 
|                     clipboard.off('success') | 
|                     clipboard.off('error') | 
|                     // 在单页应用中,需要销毁DOM的监听 | 
|                     clipboard.destroy() | 
|                 }) | 
|                 clipboard.onClick(event) | 
|                 // #endif | 
|             } | 
|         } | 
|     } | 
| </script> | 
|   | 
| <style lang="scss" scoped> | 
|     @import "../../libs/css/components.scss"; | 
|   | 
|     .u-tooltip { | 
|         position: relative; | 
|         @include flex; | 
|   | 
|         &__wrapper { | 
|             @include flex; | 
|             justify-content: center; | 
|             /* #ifndef APP-NVUE */ | 
|             white-space: nowrap; | 
|             /* #endif */ | 
|   | 
|             &__text { | 
|                 font-size: 14px; | 
|             } | 
|   | 
|             &__popup { | 
|                 @include flex; | 
|                 justify-content: center; | 
|   | 
|                 &__list { | 
|                     background-color: #060607; | 
|                     position: relative; | 
|                     flex: 1; | 
|                     border-radius: 5px; | 
|                     padding: 0px 0; | 
|                     @include flex(row); | 
|                     align-items: center; | 
|                     overflow: hidden; | 
|   | 
|                     &__btn { | 
|                         padding: 11px 13px; | 
|   | 
|                         &--hover { | 
|                             background-color: #58595B; | 
|                         } | 
|   | 
|                         &__text { | 
|                             line-height: 12px; | 
|                             font-size: 13px; | 
|                             color: #FFFFFF; | 
|                         } | 
|                     } | 
|                 } | 
|   | 
|                 &__indicator { | 
|                     position: absolute; | 
|                     background-color: #060607; | 
|                     width: 14px; | 
|                     height: 14px; | 
|                     bottom: -4px; | 
|                     transform: rotate(45deg); | 
|                     border-radius: 2px; | 
|                     z-index: -1; | 
|   | 
|                     &--hover { | 
|                         background-color: #58595B; | 
|                     } | 
|                 } | 
|             } | 
|         } | 
|     } | 
| </style> |