React-Material-UI手风琴：如何居中标题和展开图标

如何解决React-Material-UI手风琴：如何居中标题和展开图标

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：

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,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！

解决方法

将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);

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);

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。