// useWindowSize.js export default function useWindowSize (){ const [size, setSize] = useState(getSize()); useEffect(() => { const handler = () => { setSize(window.innerWidth) }; window.addEventListener('resize'
AI代码解释 // useWindowSize.jsexportdefaultfunctionuseWindowSize(){const[size,setSize]=useState(getSize());useEffect(()=>{consthandler=()=>{setSize(window.innerWidth)};window.addEventListener('resize',handler);return()=>{window.removeEventListener('resize',handler);};},[]);return[size];};...
importReactfrom"react";functioncreateListComponent({...initInstanceProps}){// 返回类组件returnclassextendsReact.Component{// 初始化实例属性,接收 props 属性instanceProps=initInstanceProps&&initInstanceProps(this.props)getItemStyle=(i)=>{conststyle={position:"absolute",width:"100%",height:getItemSize(this...
constwithWindowSize=Component=>{classWrappedComponentextendsReact.PureComponent{constructor(props) {super(props);this.state={size:this.getSize() }; }componentDidMount() {// 监听浏览器窗口大小window.addEventListener("resize",this.handleResize); }componentWillUnmount() {// 移除监听window.removeEventListe...
import{Dimensions}from'react-native';// 设备屏幕的dpconstdeviceWidthDp=Dimensions.get('window').width;// UI 默认给图是 640constuiWidthPx=640;functionpxToDp(uiElementPx){return(uiElementPx*deviceWidthDp)/uiWidthPx;}exportdefaultpxToDp;
这个时候我们可以使用“虚拟滚动”技术(react-window或者react-virtualized),只渲染当前屏幕范围内的数据。 鼠标滚动去触发事件,再渲染一屏。 react-window用法示例: import { FixedSizeList as List } from 'react-window'; const Row= ({index, style}) =>(Row{index})functionContainer(props) {return(<List...
npm i@stanko/react-window Repository github.com/Stanko/react-window Homepage github.com/Stanko/react-window#readme Weekly Downloads 0 Version 0.9.3 License MIT Unpacked Size 23.6 kB Total Files 18 Issues 0 Last publish 2 years ago Collaborators ...
spug 中封装的表格组件,不支持 style和 size。替换一行,以及增加一行: // src/components/TableCard.js- + <Table + size={props.size} 准备mock 数据 将mydashboard 模块的的 mock 专门放入一个文件,并在mock/index.js中引入。 // src\mock\index...
{20}y={20}width={50}height={50}fill={color}shadowBlur={5}onClick={handleClick}/>);};constApp=()=>{return(<Stagewidth={window.innerWidth}height={window.innerHeight}><Layer><Texttext="Try click on rect"/><ColoredRect/></Layer></Stage>);};render(<App/>,document.getElementById('...
{clientId:'Enter_the_Application_Id_Here',// This is the ONLY mandatory field that you need to supply.authority:'https://login.microsoftonline.com/Enter_the_Tenant_Info_Here',// Replace the placeholder with your tenant inforedirectUri:'http://localhost:3000/redirect',// Points to ...