React-Material-UI手风琴:如何居中标题和展开图标

时间:2020-08-11 13:20:49

标签: css reactjs material-ui react-material

我目前正在我的react项目中实现Material-UI库的Accordion组件:

我想做的是将手风琴摘要(带有“ Accordion 1”,“ Accordion 2”的标题)居中并在下面的展开图标(箭头)也居中。

在Material-UI文档(https://material-ui.com/components/accordion/)中,显示的布局如下所示: enter image description here

使用以下代码(如文档中所示):

import React from 'react';
import { makeStyles } from '@material-ui/core/styles';
import Accordion from '@material-ui/core/Accordion';
import AccordionSummary from '@material-ui/core/AccordionSummary';
import AccordionDetails from '@material-ui/core/AccordionDetails';
import Typography from '@material-ui/core/Typography';
import ExpandMoreIcon from '@material-ui/icons/ExpandMore';

const useStyles = makeStyles((theme) => ({
  root: {
    width: '100%',
  },
  heading: {
    fontSize: theme.typography.pxToRem(15),
    fontWeight: theme.typography.fontWeightRegular,
  },
}));

export default function SimpleAccordion() {
  const classes = useStyles();

  return (
    <div className={classes.root}>
      <Accordion>
        <AccordionSummary
          expandIcon={<ExpandMoreIcon />}
          aria-controls="panel1a-content"
          id="panel1a-header"
        >
          <Typography className={classes.heading}>Accordion 1</Typography>
        </AccordionSummary>
        <AccordionDetails>
          <Typography>
            Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse malesuada lacus ex,
            sit amet blandit leo lobortis eget.
          </Typography>
        </AccordionDetails>
      </Accordion>
      <Accordion>
        <AccordionSummary
          expandIcon={<ExpandMoreIcon />}
          aria-controls="panel2a-content"
          id="panel2a-header"
        >
          <Typography className={classes.heading}>Accordion 2</Typography>
        </AccordionSummary>
        <AccordionDetails>
          <Typography>
            Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse malesuada lacus ex,
            sit amet blandit leo lobortis eget.
          </Typography>
        </AccordionDetails>
      </Accordion>
      <Accordion disabled>
        <AccordionSummary
          expandIcon={<ExpandMoreIcon />}
          aria-controls="panel3a-content"
          id="panel3a-header"
        >
          <Typography className={classes.heading}>Disabled Accordion</Typography>
        </AccordionSummary>
      </Accordion>
    </div>
  );
}

谢谢!

1 个答案:

答案 0 :(得分:1)

flex-grow on the summary content从1更改为0似乎是足够的:

import { withStyles } from "@material-ui/core/styles";
import MuiAccordionSummary from "@material-ui/core/AccordionSummary";
const AccordionSummary = withStyles({
  content: {
    flexGrow: 0
  }
})(MuiAccordionSummary);

Edit Centered AccordionSummary

如果您希望箭头位于摘要文本下方的位置(而不是像我的第一个示例一样位于箭头旁边),则可以使用以下内容:

const AccordionSummary = withStyles({
  root: {
    flexDirection: "column"
  },
  content: {
    marginBottom: 0
  },
  expandIcon: {
    marginRight: 0,
    paddingTop: 0
  }
})(MuiAccordionSummary);

Edit Centered AccordionSummary (forked)

第二个示例还演示了如何使用SimpleAccordion类(按注释中的要求),并在示例中使用withStyles代替makeStyles / useStyles来实现示例中的其他样式。