问react上下文:它正在打印空对象。

EN

import React from "react";

const ThingsContex = React.createContext({});

export const ThingsProvider = ThingsContex.Provider;

export default ThingsContex;

import React, { useState } from "react";
import ChildOne from "./Child_One";
import ChildTwo from "./Child_Two";
import { ThingsProvider } from "./thingscontext";

function Setting() {
  const [starttime, setStartTime] = useState(8);

  return (
    <div>
      <h2>Setting</h2>
      <ThingsProvider value={starttime}>
        <ChildOne />
        <ChildTwo />
      </ThingsProvider>
    </div>
  );
}

export default Setting;

import React, { useContext } from "react";
import ThingsContext from "./thingscontext";

function ChildOne() {
  const things = useContext(ThingsContext);

  console.log("things ", things);

  return (
    <div>
      <h2>Child One</h2>
    </div>
  );
}

export default ChildOne;