无法为具有Material-UI Drawer的页面创建页脚

import React from 'react';
import { Button, Modal, Box } from '@mui/material';

function App() {
  const [open, setOpen] = React.useState(false);

  const handleOpen = () => setOpen(true);
  const handleClose = () => setOpen(false);

  return (
    <div>
      <Button onClick={handleOpen}>Open Drawer</Button>
      <Modal
        open={open}
        onClose={handleClose}
        aria-labelledby="modal-modal-title"
        aria-describedby="modal-modal-description"
      >
        <Box sx={{ position: 'absolute', top: '50%', left: '50%', transform: 'translate(-50%, -50%)', width: 400, bgcolor: 'background.paper', border: '2px solid #000', boxShadow: 24, p: 4 }}>
          {/* Drawer content */}
        </Box>
      </Modal>
      <footer>
        {/* Footer content */}
      </footer>
    </div>
  );
}

export default App;

import React from 'react';
import { Drawer, Hidden, Button } from '@mui/material';

function App() {
  const [open, setOpen] = React.useState(false);

  const handleOpen = () => setOpen(true);
  const handleClose = () => setOpen(false);

  return (
    <div>
      <Button onClick={handleOpen}>Open Drawer</Button>
      <nav className={classes.drawer}>
        <Hidden smUp implementation="css">
          <Drawer
            variant="temporary"
            open={open}
            onClose={handleClose}
            ModalProps={{
              keepMounted: true, // Better open performance on mobile.
            }}
            classes={{
              paper: classes.drawerPaper,
            }}
          >
            {/* Drawer content */}
          </Drawer>
        </Hidden>
        <Hidden xsDown implementation="css">
          <Drawer
            classes={{
              paper: classes.drawerPaper,
            }}
            variant="permanent"
            open
          >
            {/* Drawer content */}
          </Drawer>
        </Hidden>
      </nav>
      <footer>
        {/* Footer content */}
      </footer>
    </div>
  );
}

export default App;

import React from 'react';
import { Drawer, Button } from '@mui/material';
import './App.css';

function App() {
  const [open, setOpen] = React.useState(false);

  const handleOpen = () => setOpen(true);
  const handleClose = () => setOpen(false);

  return (
    <div className="App">
      <Button onClick={handleOpen}>Open Drawer</Button>
      <Drawer
        open={open}
        onClose={handleClose}
      >
        {/* Drawer content */}
      </Drawer>
      <footer className="footer">
        {/* Footer content */}
      </footer>
    </div>
  );
}

export default App;

/* App.css */
.App {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.footer {
  flex-shrink: 0;
  background-color: #f5f5f5;
  padding: 1rem;
}