修改页面级加载 和 图片加载

src/components/image/image.module.scss

@@ -0,0 +1,12 @@
+.imgBox {
+  position: relative;
+}
+
+.imgError {
+  position: absolute;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  right: 0;
+  margin: auto;
+}

src/components/image/image.tsx

@@ -1,7 +1,8 @@
 import {FC, useEffect, useState} from "react";
 import {Image, ImageProps, View} from "@tarojs/components";
-import {AtActivityIndicator} from "taro-ui";
 import shard from '@/static/img/shard.png'
+import styles from './image.module.scss'
+import Taro from "@tarojs/taro";
 
 interface Props extends ImageProps {
   width: number
@@ -13,14 +14,12 @@ const Img: FC<Props> = ({src, mode = 'aspectFill', width, height, fallback = sha
   const [isError, setIsError] = useState(false)
   const [loading, setLoading] = useState(true)
 
+  const imgAnimation = Taro.createAnimation({duration: 0}).opacity(0).step()
+  const [animationData, setAnimationData] = useState<TaroGeneral.IAnyObject>(imgAnimation.export())
+
   useEffect(() => {
-    if (!src) {
-      setIsError(true)
-      setLoading(false)
-    } else {
-      setIsError(false)
-      setLoading(false)
-    }
+    setIsError(!src)
+    setLoading(!!src)
   }, [src])
 
   // 图片加载失败
@@ -32,25 +31,37 @@ const Img: FC<Props> = ({src, mode = 'aspectFill', width, height, fallback = sha
   function onLoadHandler() {
     setLoading(false)
     setIsError(false)
+    imgAnimation.opacity(1).step({duration: 200})
+    setAnimationData(imgAnimation.export())
   }
 
   return (
-    <View style={{width: `${width}rpx`, height: `${height}rpx`, backgroundColor: '#eee'}}>
+    <View
+      style={{width: `${width}rpx`, height: `${height}rpx`, backgroundColor: '#F8F8F8'}}
+      className={`${props.className} ${styles.imgBox}`}>
       {!isError &&
+        <View animation={animationData}>
           <Image
             {...props}
             src={src}
             mode={mode}
             lazyLoad
+            fadeIn
+            defaultSource={fallback}
             style={{width: `${width}rpx`, height: `${height}rpx`}}
             onError={onErrorHandler}
-          onLoad={onLoadHandler}>
-        </Image>
+            onLoad={onLoadHandler}/>
+        </View>
       }
-      {loading && <AtActivityIndicator mode="center"/>}
       {
         isError && !loading &&
-        <Image mode={'aspectFill'} src={fallback} style={{width: `${width}rpx`, height: `${height}rpx`}}/>
+        <Image
+          className={styles.imgError}
+          mode='aspectFit'
+          src={fallback}
+          lazyLoad
+          fadeIn
+          style={{width: `${width * .7}rpx`, height: `${height * .7}rpx`, margin: 'auto'}}/>
       }
     </View>
   )

src/components/spinner/index.tsx

@@ -12,8 +12,9 @@ type Status =
   | 'completed'
 
 interface Props {
-  enable?: boolean
-  overlay?: boolean
+  enable?: boolean  // 控制显现
+  overlay?: boolean  // 页面覆盖
+  block?: boolean // 块级
 }
 
 interface State {
@@ -49,8 +50,8 @@ function createController(setState: StateSetter): Controller {
     }
 
     // 清空动画
-    background.export()
-    rotation.export()
+    background.step().export()
+    rotation.step().export()
 
     // 通知 UI 刷新
     if (notify) {
@@ -80,7 +81,6 @@ function createController(setState: StateSetter): Controller {
 
   const onFinish = (opacity: number, nextStatus: Status) => {
     const lockStatus = status
-    setTimeout(() => {
     if (lockStatus === status) {
       background.backgroundColor(`rgba(255,255,255,${opacity})`).step({duration: 0})
       if (nextStatus === 'dismissed') {
@@ -89,14 +89,12 @@ function createController(setState: StateSetter): Controller {
       status = nextStatus
       notifyListener()
     }
-    }, 600)
   }
 
   const setStatus = (newStatus: Status, opacity: number) => {
     if (status !== newStatus) {
       status = newStatus
       setAnimation(opacity)
-
       if (status === 'reverse') {
         onFinish(0, 'dismissed')
       } else if (status === 'forward') {
@@ -140,10 +138,9 @@ export default class Spin extends Component<Props, State> {
     this.setState((s) => ({...s, ...state}))
   }
 
-  componentDidMount(): void {
-    console.log(this.props.enable)
-    this.controller.setTick(this.props.enable)
-  }
+  // componentDidMount(): void {
+  // this.controller.setTick(this.props.enable)
+  // }
 
   componentDidUpdate(): void {
     this.controller.setTick(this.props.enable)
@@ -161,7 +158,8 @@ export default class Spin extends Component<Props, State> {
 
   render(): ReactNode {
     return (
-      <View className={`spinner-wrapper ${this.state.status} ${this.props.overlay ? 'is-fixed' : ''}`}>
+      <View
+        className={`spinner-wrapper ${this.state.status} ${this.props.overlay && 'is-fixed'} ${this.props.block && 'is-block'}`}>
         <View className={`spinner ${this.state.status}`}>
           <Image className="spinner-icon" src={indicator}/>
         </View>

src/components/spinner/style.scss

@@ -1,8 +1,17 @@
 .spinner-wrapper {
-  background-color: rgba( #fff, 1.0);
   transition: background-color 1200ms ease-out;
 
+  &.is-block {
+    width: auto;
+    position: absolute;
+    z-index: 99999;
+    left: 50%;
+    top: 50%;
+    transform: translate(-50%, -50%);
+  }
+
   &.is-fixed {
+    background-color: rgba(#fff, 1.0);
     z-index: 99999;
     position: fixed;
     width: 100%;
@@ -36,6 +45,7 @@
   flex-direction: column;
   justify-content: center;
   align-items: center;
+  width: 100%;
 }
 
 .spinner {

src/pages/business/videoInfo/videoInfo.scss

@@ -7,11 +7,7 @@
     height: 500rpx;
   }
 
-  .image {
-    width: 100%;
-    height: 100%;
-    display: block;
-  }
+
 
   .header {
     margin-bottom: 10px;

src/pages/business/videoInfo/videoInfo.tsx

@@ -1,4 +1,4 @@
-import {Image, Text, View} from "@tarojs/components";
+import {Text, View} from "@tarojs/components";
 import {FC, useCallback, useEffect, useState} from "react";
 import {CourseDepData, curriculum} from "@/api";
 import './videoInfo.scss'
@@ -9,6 +9,8 @@ import eventsIndex from "@/hooks/eventsIndex";
 import {formatMinute} from "@/utils/time";
 import videoEvents from "@/hooks/videoEvents";
 import unique_ident from "@/hooks/unique_ident";
+import Spin from "@/components/spinner";
+import Img from "@/components/image/image";
 
 const VideoInfo: FC = () => {
   const {id, depId} = Taro.getCurrentInstance()?.router?.params as any
@@ -16,15 +18,16 @@ const VideoInfo: FC = () => {
   const [playId, setPlayId] = useState<number | null>(null)
   const [preview, setPreview] = useState(false)  // 预览
   const [playing, setPlaying] = useState(false)  // 学习中
+  const [enable, setEnable] = useState(true)
 
   const getData = useCallback(async (playing: boolean) => {
+    try {
       const res = await curriculum.courseDep(id, depId)
-    if (res) {
-      setData(res)
-    }
-    if (playId != null) { //  用于自动播放 判断当前课程是否完成
-      currentVideo(res, playing)
+      res && setData(res)
+      playId != null && currentVideo(res, playing) //  用于自动播放 判断当前课程是否完成
+    } catch (e) {
     }
+    setEnable(false)
   }, [playing, playId])
 
   const curEnd = (test?: boolean) => {
@@ -73,9 +76,7 @@ const VideoInfo: FC = () => {
     }
   }, [playId, data, preview])
 
-  /**
-   * 判断当前课程是否完成
-   */
+  /** 判断当前课程是否完成 */
   const currentVideo = useCallback((data: CourseDepData, playing: boolean) => {
     const courseHourRecordsFinish = data?.learn_hour_records.find(d => d.id === playId)?.courseHourRecordsFinish
     if (typeof courseHourRecordsFinish === 'number') {
@@ -106,12 +107,13 @@ const VideoInfo: FC = () => {
   })
   return (
     <>
+      <Spin enable={enable} overlay/>
       <View className='content'>
         <View className='content-video'>
           {
             playId
               ? <Course id={playId} courseId={id} curEnd={curEnd} preview={preview}/>
-              : <Image src={data?.course.thumb || ''} className='image' mode='aspectFill'/>
+              : <Img width={750} height={500} src={data?.course.thumb || ''} mode='aspectFill'/>
           }
         </View>
 

src/pages/home/components/feature_recommended.tsx

@@ -150,8 +150,8 @@ const FeatureRecommended: FC<Props> = (props) => {
   }
 
   return (
-    <View className={styles.feature} style={{height: '263px'}}>
-      <Swiper nextMargin='30px' style={{height: '263px'}}>
+    <View className={styles.feature}>
+      <Swiper nextMargin='30px' style={{height: '225px'}}>
         {
           data.map(d => <SwiperItem key={d.url}>
             <Image

src/pages/home/home.module.scss

@@ -51,9 +51,9 @@
 }
 
 .adware {
+  width: 100%;
   border-radius: 16rpx;
   overflow: hidden;
-  background: #eee;
   margin-bottom: 40rpx;
 }
 

src/pages/preview/health/health.tsx

@@ -5,16 +5,22 @@ import Taro, {useReachBottom} from "@tarojs/taro";
 import styles from './health.module.scss'
 import play from '@/static/img/play.png'
 import Empty from "@/components/empty/empty";
+import Spin from "@/components/spinner";
 
 const Health: FC = () => {
   const [page, setPage] = useState(1)
   const [data, setData] = useState<Health[]>([])
   const [total, setTotal] = useState(0)
+  const [enable, setEnable] = useState(true)
 
   async function getData(page: number) {
+    try {
       const res = await HomeApi.health(page, 10)
       setData(res.data)
       setTotal(res.total)
+    } catch (e) {
+    }
+    setEnable(false)
   }
 
   useReachBottom(() => {
@@ -32,6 +38,7 @@ const Health: FC = () => {
 
   return (
     <ScrollView>
+      <Spin enable={enable} overlay/>
       <View className={styles.container}>
         {
           data.length > 0

src/pages/preview/illness/sort/sort.tsx

@@ -7,6 +7,7 @@ import Tabs, {TabList} from "@/components/tabs/tabs";
 import {illnessApi} from "@/api/illness";
 import Empty from "@/components/empty/empty";
 import leftArrow from "@/static/img/leftArrow.png"
+import Spin from "@/components/spinner";
 
 const prefix = 'SORT'
 const Sort: FC = () => {
@@ -14,16 +15,24 @@ const Sort: FC = () => {
   const [firstId, setFirstId] = useState<number | undefined>(undefined)  // 一级分类
   const [secondId, setSecondId] = useState<number | undefined>(undefined) // 二级分类
   const [list, setList] = useState<any[]>([])
+  const [enable, setEnable] = useState(true)
+  const [loading, setLoading] = useState(false)
   const globalData = Taro.getApp().globalData
   const menu = Taro.getMenuButtonBoundingClientRect()
 
   async function getData() {
+    try {
+
       const res = await HomeApi.category(3)
       setData(res)
       if (res.length) {
         setFirstId(res[0].id)
         setSecondId(res[0]?.resource_category?.[0].id)
       }
+    } catch (e) {
+      setLoading(false)
+    }
+    setEnable(false)
   }
 
   function jump(id: number) {
@@ -54,17 +63,16 @@ const Sort: FC = () => {
 
   useEffect(() => {
     if (secondId) {
-      Taro.showLoading({title: '加载中'})
+      setLoading(true)
       illnessApi.list(secondId, 1, 100).then(res => {
         setList(res.list)
-      }).finally(() => {
-        Taro.hideLoading()
       }).catch(() => {
         setList([])
       })
     } else {
       setList([])
     }
+    setLoading(false)
   }, [secondId])
 
   function swiperChange(e) {
@@ -76,6 +84,7 @@ const Sort: FC = () => {
 
   return (
     <View>
+      <Spin enable={enable} overlay/>
       <View style={headerStyles}>
         <Image src={leftArrow}
                mode='widthFix'
@@ -118,11 +127,15 @@ const Sort: FC = () => {
               scrollY
               className={styles.tree}
               scrollWithAnimation>
+              {
+                loading ? <Spin enable={loading}/> : <>
                   {
                     list.length ?
                       list.map(d => <View className={styles.list} onClick={() => jump(d.id)}>{d.name}</View>)
                       : <Empty name='暂无数据'/>
                   }
+                </>
+              }
             </ScrollView>
           </SwiperItem>)
         }

src/pages/preview/profession/profession.tsx

@@ -5,6 +5,7 @@ import Tabs, {OnChangOpt, TabList} from "@/components/tabs/tabs";
 import Empty from "@/components/empty/empty";
 import Taro from "@tarojs/taro";
 import styles from './profession.module.scss'
+import Spin from "@/components/spinner";
 
 interface KillData {
   data: Kill[]
@@ -16,6 +17,8 @@ const Profession = () => {
   const [tabs, setTabs] = useState<TabList[]>([])
   const [categoryId, setCategoryId] = useState<number | null>(null)
   const [data, setData] = useState<Map<number, KillData>>(new Map)
+  const [enable, setEnable] = useState(true)
+  const [loading, setLoading] = useState(false)
 
   /**
    * more 开启加载更多
@@ -32,9 +35,7 @@ const Profession = () => {
     }
 
     try {
-      if (!data.has(categoryId)) {
-        Taro.showLoading()
-      }
+      setLoading(true)
       const res = await HomeApi.skillList(categoryId!, page, 10)
       const dataList = res.data.reduce((pre, cur) => {
         const index = pre.findIndex(d => d.id === cur.id)
@@ -54,7 +55,7 @@ const Profession = () => {
       setData(oldData)
     } catch (e) {
     }
-    Taro.hideLoading()
+    setLoading(false)
   }
 
   useEffect(() => {
@@ -62,10 +63,14 @@ const Profession = () => {
   }, [categoryId])
 
   async function getCategory() {
+    try {
       const res = await HomeApi.skillCategory()
       const newTabs = res.map<TabList>(d => ({title: d.name, value: d.id}))
       setTabs(newTabs)
       setCategoryId(newTabs[0].value as number)
+    } catch (e) {
+    }
+    setEnable(false)
   }
 
   function tabsChange(tab: OnChangOpt) {
@@ -101,6 +106,7 @@ const Profession = () => {
             </View>
           )
         }
+        <Spin enable={loading}/>
       </ScrollView>
     )
   }
@@ -108,6 +114,7 @@ const Profession = () => {
 
   return (
     <>
+      <Spin enable={enable} overlay/>
       <View className='bg-white'>
         <Tabs tabList={tabs} onChange={tabsChange} current={categoryId!}/>
       </View>