✨ feat(toolTip组件): 新增toolTip组件

src/components/dropDown-item/index.tsx

@@ -1,3 +1,7 @@
+/**
+ * 注意：需要在父节点设置 position: relative;
+ */
+
 import { View, Text } from '@tarojs/components'
 import { useEffect, useMemo, useRef, useState } from 'react'
 import styles from './index.module.scss'

src/components/toolTips/index.module.scss

@@ -0,0 +1,50 @@
+.mark {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background-color: transparent;
+}
+.tooltip {
+  &-container{
+    position: relative;
+  }
+  position: absolute;
+  left: 0;
+  top: 0;
+  user-select: text;
+  color: white;
+  &-inner {
+    position: absolute;
+    background-color: #333333;
+    font-size: $font_size;
+    box-shadow: 0 0 30px 0 rgba(51, 51, 51, 0.2);
+    border-radius: 8px;
+    &-content {
+      padding: 8px 12px;
+      white-space: nowrap;
+    }
+  }
+  &-hidden {
+    display: none;
+  }
+}
+.arrowIcon {
+  position: absolute;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  &-top {
+    transform: rotate(0deg);
+  }
+  &-left {
+    transform: rotate(270deg);
+  }
+  &-right {
+    transform: rotate(90deg);
+  }
+  &-bottom {
+    transform: rotate(180deg);
+  }
+}

src/components/toolTips/index.tsx

@@ -0,0 +1,216 @@
+import { View } from '@tarojs/components'
+import Taro from '@tarojs/taro'
+import classNames from 'classnames'
+import { forwardRef, useCallback, useEffect, useImperativeHandle, useMemo, useRef, useState } from 'react'
+import IconFont from '../iconfont/iconfont'
+import styles from './index.module.scss'
+
+const SystemWidth = Taro.getSystemInfoSync().windowWidth
+
+const arrowSize = 32
+
+// 由于taro自动把px编译成rpx，所以这里需要把单位处理一下 转成真正的px
+const convertPx = (px: number) => {
+  const realPx = (px / 750) * SystemWidth
+  return realPx
+}
+
+type Placement = 'top' | 'right' | 'bottom' | 'left'
+
+interface ToolTipEvent {
+  onVisibleChange?: (visible?: boolean) => void
+}
+
+interface ToolTipPropsType extends ToolTipEvent {
+  defaultVisible?: boolean
+  content: React.ReactNode
+  placement?: Placement
+  children?: React.ReactNode
+  customClassName?: string
+  customStyle?: React.CSSProperties
+  customContentStyle?: React.CSSProperties
+}
+
+interface ToolTipRef {
+  show: () => void
+  hide: () => void
+  visible: boolean
+}
+
+const popoverStyle = {
+  color: '#333333',
+}
+
+const ToolTip = forwardRef<ToolTipRef, ToolTipPropsType>((props, ref) => {
+  const { placement = 'top', defaultVisible = false, onVisibleChange, children, content = '请填入提示信息', customClassName, customStyle, customContentStyle } = props
+
+  if (!content){
+    throw new Error('tooltip: content 不能为空')
+  } 
+  
+  const [visible, setVisible] = useState(defaultVisible)
+
+  const onVisibleChangeRef = useRef(onVisibleChange)
+  onVisibleChangeRef.current = onVisibleChange
+
+  // 暴露方法给外部
+  useImperativeHandle(
+    ref,
+    () => {
+      return {
+        show: () => setVisible(true),
+        hide: () => setVisible(false),
+        visible,
+      }
+    },
+    [visible],
+  )
+
+  const handleClick = useCallback(() => {
+    setVisible(v => {
+      onVisibleChangeRef.current?.(!v)
+      return !v
+    })
+  }, [])
+
+  const handleClickMark = useCallback(() => {
+    setVisible(false)
+    onVisibleChangeRef.current?.(false)
+  }, [])
+
+  const getArrowSide = useMemo(() => {
+    const side = placement.split('-')[0] as string // placement = 'top-start'  取 'top'
+
+    const arrowSide = {
+      top: 'bottom',
+      right: 'left',
+      bottom: 'top',
+      left: 'right',
+    }[side] as string
+    return arrowSide
+  }, [placement])
+
+  const [childrenRect, setChildrenRect] = useState<any>({})
+  const childrenRectRef = useRef(childrenRect)
+  childrenRectRef.current = childrenRect
+
+  const [viewport, setViewport] = useState<any>({})
+  const viewportRef = useRef(viewport)
+  viewportRef.current = viewport
+
+  useEffect(() => {
+    console.log('useLayoutEffect')
+    const query = Taro.createSelectorQuery()
+    query.select('#children').boundingClientRect()
+    query.selectViewport().scrollOffset()
+    query.exec(res => {
+      console.log(res[0])
+      console.log(res[1])
+      setChildrenRect(res[0])
+      childrenRectRef.current = res[0]
+      setViewport(res[1])
+      viewportRef.current = res[1]
+    })
+  }, [])
+
+  // 箭头 坐标
+  const arrowCoords = useMemo(() => {
+    console.log('getArrowSide==>', getArrowSide, childrenRectRef.current)
+    switch (getArrowSide) {
+      case 'bottom': // 下箭头
+        return {
+          left: childrenRectRef.current.width / 2 - convertPx(arrowSize) / 2,
+          top: -convertPx(arrowSize),
+          right: '',
+          bottom: '',
+        }
+      case 'left': // 左箭头
+        return {
+          left: childrenRectRef.current.width,
+          right: '',
+          top: childrenRectRef.current.height / 2 - convertPx(arrowSize) / 2,
+          bottom: '',
+        }
+      case 'top': // 上箭头
+        return {
+          left: childrenRectRef.current.width / 2 - convertPx(arrowSize) / 2,
+          right: '',
+          top: childrenRectRef.current.height,
+          bottom: '',
+        }
+      case 'right': // 右箭头
+        return {
+          left: -convertPx(arrowSize),
+          right: '',
+          top: childrenRectRef.current.height / 2 - convertPx(arrowSize) / 2,
+          bottom: '',
+        }
+    }
+  }, [getArrowSide, childrenRectRef.current])
+
+  // content 坐标
+  const contentCoords = useMemo(() => {
+    switch (getArrowSide) {
+      case 'bottom': // 下箭头
+        return {
+          left: 0,
+          top: '',
+          right: '',
+          bottom: convertPx(arrowSize) - 5,
+        }
+      case 'left': // 左箭头
+        return {
+          left: childrenRectRef.current.width + convertPx(arrowSize) - 5,
+          top: 0,
+          right: '',
+          bottom: '',
+        }
+      case 'top': // 上箭头
+        return {
+          left: 0,
+          top: childrenRectRef.current.height + convertPx(arrowSize) - 5,
+          right: '',
+          bottom: '',
+        }
+      case 'right': // 右箭头
+        return {
+          left: '',
+          top: 0,
+          right: convertPx(arrowSize) - 5,
+          bottom: '',
+        }
+    }
+  }, [getArrowSide, childrenRectRef.current])
+
+  const ContentComponent = useMemo(() => {
+    console.log('执行完')
+
+    return (
+      <View className={classNames(styles.tooltip, visible ? '' : styles['tooltip-hidden'], customClassName)} style={customStyle}>
+        {/* 箭头 */}
+        <View className={classNames(styles.arrowIcon, styles[`arrowIcon-${getArrowSide}`])} style={arrowCoords}>
+          <IconFont name='icon-shouqi1' size={arrowSize} color={popoverStyle.color}></IconFont>
+        </View>
+        {/* content */}
+        <View className={styles['tooltip-inner']} id='content' style={{ ...contentCoords, ...customContentStyle }}>
+          <View className={styles['tooltip-inner-content']}>{content}</View>
+        </View>
+      </View>
+    )
+  }, [content, getArrowSide, visible, arrowCoords, contentCoords])
+
+  return (
+    <>
+      {/* 遮罩层 */}
+      <View className={classNames(styles.mark, visible ? '' : styles['tooltip-hidden'])} onClick={handleClickMark}></View>
+      <View className={styles['tooltip-container']}>
+        <View onClick={handleClick} id='children'>
+          {children}
+        </View>
+        {ContentComponent}
+      </View>
+    </>
+  )
+})
+
+export default ToolTip

src/pages/saleStatistic/index.tsx

@@ -10,6 +10,7 @@ import SelectSaleType from '@/components/SelectSaleType'
 import SelectTimePicker, { ChangedValue } from '@/components/SelectTimePicker'
 import Table from '@/components/table'
 import TimePicker from '@/components/timePicker'
+import ToolTip from '@/components/toolTips'
 import { View, Text } from '@tarojs/components'
 import classnames from 'classnames'
 import dayjs from 'dayjs'
@@ -177,10 +178,12 @@ const saleStatistic = () => {
           </View>
           <Divider direction='horizontal' customStyles={{ margin: '30rpx 0' }}></Divider>
           <View className={styles.totalSummary}>
-            <View className='flex-row items-center'>
+            <ToolTip placement='top' content='请填入提示信息'>
-              <Text className={styles['totalSummary--title']}>订单总数</Text>
+              <View className='flex-row items-center'>
-              <Iconfont name='icon-tishi' size={36} color='#707070'></Iconfont>
+                <Text className={styles['totalSummary--title']}>订单总数</Text>
-            </View>
+                <Iconfont name='icon-tishi' size={36} color='#707070'></Iconfont>
+              </View>
+            </ToolTip>
             <View className={styles['totalSummary--current']}>3425</View>
             <View className={styles['totalSummary--totalNum']}>（共432423匹）</View>
           </View>