react父子组件传参demo

父组件代码

javascript">/* eslint-disable @next/next/no-img-element */
"use client";
import React, { useEffect, useState } from "react";
import WxTip from '../components/WxTip'

const Download = () => {
    const [showTip, setshowTip] = useState<boolean>(false)



    useEffect(() => {
        
    },[])


    const onClose = () => {
        setshowTip(false)
    }


    const wxClick = () => {
        setshowTip(true)
    }

    return (
        <div className={'weixinPage'}>
            <div className={'btnView'}>
                <div  onClick={() => wxClick()} className={'btn'}>立即下载</div>
            </div>
            <WxTip onClose={onClose} showTip={showTip} />
        </div>
    )

    
}
export default Download;

子组件jsx代码

javascript">import React from "react"
export interface WxtipProps {
    showTip: Boolean,
    newYear?: Boolean,
    onClose?: Function
}

const WxTip: React.FC<WxtipProps> = (props) => {
    const { showTip , newYear = false,onClose} = props
    const Close = ()=>{
        onClose && onClose()
    }
    const TipView = () => (
        <div className={'wxtip'} onClick={()=> Close()}>
            <span className={'wxTipIcon'}></span>
            <p className={'wxtipTxt'}>点击右上角···<br />选择在浏览器中打开进行下载</p>
            <div className={!newYear ? 'wxtipIcon2' : 'wxtipIconNewYear'}></div>
            <div className={'wxtipIcon3'}></div>                
        </div>
    )
    return (
        <div>
            { showTip && TipView() }
        </div>
    )
}

// WxTip.defaultProps = {showTip:false}

export default WxTip

子组件css代码

.wxtip {
    background: rgba(0, 0, 0, 0.8);
    text-align: center;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1001;
    display: block;
    .wxtipIcon2{
        margin: 0 auto;
        width:58vw;
        height: 70vh;
        background: url("../public/wxtipphone.png") no-repeat;
        background-size: contain;
    }
    .wxtipIconNewYear{
        margin: 0 auto;
        width:58vw;
        height: 70vh;
        background: url("../public/wxtipphonenewYear.png") no-repeat;
        background-size: contain;
    }
    .wxtipIcon3{
        width: 230px;
        height: 230px;
        background: url("../public/prompt2.png") no-repeat;
        background-size: cover;
        border-radius: 50%;
        position: fixed;
        z-index: 999;
        top: 750px;
        right: 56px;
    }
    .wxTipIcon{
        width:110px;
        height: 130px;
        background: url("../public/IndicatingArrow2.png") no-repeat;
        display: block;
        position: absolute;
        right: 20px;
        top: 40px;
    }
    .wxtipTxt{
        color: #FFF;
        margin-top: 80px;
        font-size: 26px;
        margin-bottom: 50px;
        width: 52vw;
        margin-left: 24vw;
        line-height: 58px;
        text-align: left;
    }
}