<div id="app">
  
</div>              

body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(180deg, #f08, #d0e);
}

import React,{useState, StrictMode,useEffect} from 'https://esm.sh/react@18.2.0'
import ReactDOM from 'https://esm.sh/react-dom@18.2.0'
import {motion,useAnimationControls,useDragControls} from "https://esm.sh/framer-motion@8.3.3";


const btnStyle = {
  color:'white',
  fontFamily:'system-ui',
  backgroundColor:'black',
  padding:10,
  paddingLeft:32,
   paddingRight:32,
  letterSpacing:1,
  borderRadius:20,
  cursor:'pointer',
  whiteSpace:'nowrap'
}

const App = function() {
  

  const controls = useDragControls()
      function startDrag(event) {
      controls.start(event)
    }
  return (
    <div style={{
        display:'flex',
        flexDirection:'column',
        justifyContent:'center',
        alignItems:'center',
          gap:52,
      }}>
      <motion.div
        style={{
          width:100,
          height:100,
          backgroundColor:'white',
          borderRadius:'20px'
        }}
        // 这里
        dragListener={false}
        dragControls={controls}
        drag='x'
      >
    </motion.div>
      {/*
        // 下面这个是小方块
      */}
      <motion.div
         style={{
           width:20,
          height:20,
          backgroundColor:'white',
        borderRadius:'6px'
        }}
        // 这里
        onPointerDown={startDrag}
        >
        
      </motion.div>
      <div
        style={{
          fontFamily:'system-ui',
          color:'white',
          opacity:0.8,
          letterSpacing:2 ,
           

        }}
        >
        <span>尝试拖动下面小方块</span>
   
      </div>
      
    </div>

  )
}

const container = document.querySelector("#app")
console.log(container)
const root = ReactDOM.createRoot(container)
root.render(
 <StrictMode>
    <App />
  </StrictMode>
)