react hooks 的 useState 如何获取最新的 state？求解答！

Question

直接上代码吧，类似于之前class组件this.setState的第二个callback参数importReact,{useState,useEffect}from'react';importfetchDatafrom'services';functionuseList(){const[params,setParams]=useState({});const[data,setData]=useState({});constgetData=()=>{fetchData(params).then(res=>{setData(res);});};useEffect(()=>{getData();},[]);return{params,setParams,data,setData,getData,};}functionFoo(){const{setParams,getData}=useList();consthandleClick=()=>{setParams({mockData:2333333});//如何让getData里params是最新的？？？getData();};return(clickme);}

Answer 1

constgetData=useCallback(()=>{
fetchData(params).then(res=>{
setData(res);
});
},[params,setData]);
                            

Answer 2

const{setParams,data,getData}=useList();当data更新时Foo会拿到最新的data的不需要额外做处理