小编thi*_*ras的帖子

如何传递post.mainImage到backgroundImage风格。

这是我的代码；

import React from 'react';
import { Post } from '../interfaces';
import { makeStyles, createStyles, Theme } from '@material-ui/core/styles';
import Container from '@material-ui/core/Container';

type Props = {
  post: Post;
}

const useStyles = makeStyles<Theme, Props>((theme: Theme) =>
  createStyles({
    root: {
      maxWidth: '100%',
      backgroundImage: ({ post }) => post.mainImage
    },
    date: {
      margin: theme.spacing(1),
      marginLeft: theme.spacing(2)
    },
    heroimage: {
      maxWidth: '100%',
      height: 'auto',
      objectFit: 'cover'
    }
  })
);

export default function HeroPost({ post }: Props) { …