Next.js 在下一个js中从父组件传递到组件时,props是未定义的

Next.js 在下一个js中从父组件传递到组件时,props是未定义的,next.js,Next.js,我有/pages/profile.js,它调用LovedOne元素,从props传递值。 调试表明,这些值在传递时是有效的 import React from "react"; import LovedOne from "../components/loved_one"; export const Profile = ({ loved_ones }) => { const [session, loading] = useSession();

我有/pages/profile.js,它调用LovedOne元素,从props传递值。 调试表明,这些值在传递时是有效的

import React from "react";
import LovedOne from "../components/loved_one";

export const Profile = ({ loved_ones }) => {
  const [session, loading] = useSession();
  if (loading) return <div>loading...</div>;
  if (!session) return <div>no session</div>;

  return (
    <Layout>
      {session && (
        <>
          <img src={session.user.image} className="avatar" />
          <h1>{session.user.name}</h1>
        </>
      )}
      {loved_ones.map((loved_one, index) => (
        <LovedOne
          key={index}
          firstname={loved_one.firstname}
          surname={loved_one.surname}
          email={loved_one.email}
        />
      ))}

      <style jsx>{`
        .avatar {
          width: 220px;
          border-radius: 10px;
        }
      `}</style>
    </Layout>
  );
};
从“React”导入React;
从“./components/loved_one”导入LovedOne;
导出常量配置文件=({爱人})=>{
const[session,loading]=useSession();
如果(装载)返回装载。。。;
如果(!session)不返回任何会话;
返回(
{会话&&(
{session.user.name}
)}
{爱人。地图((爱人,索引)=>(
))}
{`
.阿凡达{
宽度:220px;
边界半径:10px;
}
`}
);
};
但是在/components/loved_one.js中,我的道具是未定义的

import React, { useState, useRef } from "react";

export const LovedOne = ({ props }) => {
  const [setActive, setActiveState] = useState("");
  const [setHeight, setHeightState] = useState("0px");

  const content = useRef();

  function toggleAccordion() {
    setActiveState(setActive === "" ? "active" : "");
    setHeightState(
      setActive === "active" ? "0px" : `${content.current.scrollHeight}px`
    );
  }

  return (
    <div>
      <div className="row">
        <button
          className={`collection-item ${setActive}`}
          onClick={toggleAccordion}
        >
          <i className="fas fa-plus teal-text"></i>
        </button>
        <div className="col s2">
          {props.firstname} {props.surname}
        </div>
        <div className="col s2">{props.email}</div>
      </div>
      <div ref={content} style={{ maxHeight: `${setHeight}` }}>
        <span>some stuff</span>
      </div>
    </div>
  );
};

export default LovedOne;
import React,{useState,useRef}来自“React”;
导出常量LovedOne=({props})=>{
const[setActive,setActiveState]=useState(“”);
常数[setHeight,setHeightState]=useState(“0px”);
const content=useRef();
函数toggleAccordion(){
setActiveState(setActive==“”?“活动”:“”;
设置高度状态(
setActive==“active”?“0px”:“${content.current.scrollHeight}px`
);
}
返回(
{props.firstname}{props.LANSAME}
{props.email}
一些东西
);
};
导出默认的LovedOne;
我试着传递单个变量,并传递整个爱人对象。我也有同样的问题


非常感谢任何帮助

你试过传递道具而不是{props}吗

如果没有括号,请尝试以下方法:

export const LovedOne = (props) => {

你试过传递道具而不是{props}吗

如果没有括号,请尝试以下方法:

export const LovedOne = (props) => {