我在AccordionSummary
(Material-UI)中有一个带有TextField
的Accordion
,当单击它时,它会打开表单的其余部分。然而,我不知道如何阻止字段上的多次单击触发传播,以便在第一次单击后打开和关闭折叠内容。我不希望在AccountSummary
中第一次单击后,新出现的可见表单内容消失。我知道第一次输入该字段时如何禁用传播,但不知道如何只允许传播一次?
import React from "react";
import { Formik, Field, Form } from "formik";
import { TextField, Select } from "formik-material-ui";
import Grid from "@material-ui/core/Grid";
import Box from "@material-ui/core/Box";
import FormControl from "@material-ui/core/FormControl";
import MenuItem from "@material-ui/core/MenuItem";
import Button from "@material-ui/core/Button";
import Accordion from "@material-ui/core/Accordion";
import MuiAccordionDetails from "@material-ui/core/AccordionDetails";
import MuiAccordionSummary from "@material-ui/core/AccordionSummary";
import { withStyles } from "@material-ui/core/styles";
const AccordionSummary = withStyles({
root: {
"&.Mui-focused": {
backgroundColor: "inherit"
}
}
})(MuiAccordionSummary);
const AccordionDetails = withStyles({
root: {
paddingTop: 0
}
})(MuiAccordionDetails);
export default function App() {
return (
<div className="App">
<Formik>
<Form>
<Accordion>
<AccordionSummary>
<FormControl fullWidth>
<Field
component={TextField}
name="itemName"
placeholder="What do you want to buy?"
variant="outlined"
/>
</FormControl>
</AccordionSummary>
<AccordionDetails>
<Grid container>
<Grid item xs={2}>
<Box>
<FormControl fullWidth>
<Field
component={TextField}
name="quantity"
label="Qty"
type="number"
variant="outlined"
size="small"
/>
</FormControl>
</Box>
</Grid>
<Grid item xs={2}>
<Box pl={1}>
<FormControl fullWidth>
<Field
component={TextField}
name="volume"
label="Vol"
type="number"
variant="outlined"
size="small"
/>
</FormControl>
</Box>
</Grid>
<Grid item xs={2}>
<Box pl={1}>
<FormControl label="Type" size="small" fullWidth>
<Field
component={Select}
name="volumeType"
as="select"
variant="outlined"
>
<MenuItem value="g">grams</MenuItem>
<MenuItem value="kg">kg</MenuItem>
<MenuItem value="ml">ml</MenuItem>
<MenuItem value="cl">cl</MenuItem>
<MenuItem value="litre">litre</MenuItem>
<MenuItem value="pint">pint</MenuItem>
<MenuItem value="pack">pack</MenuItem>
</Field>
</FormControl>
</Box>
</Grid>
<Grid item xs={4}>
<Box pl={1}>
<FormControl fullWidth>
<Field
component={TextField}
name="brandName"
label="Brand"
variant="outlined"
size="small"
/>
</FormControl>
</Box>
</Grid>
<Grid item xs={2}>
<Box pl={1}>
<Button
type="submit"
variant="contained"
color="primary"
disableElevation
fullWidth
>
Add
</Button>
</Box>
</Grid>
</Grid>
</AccordionDetails>
</Accordion>
</Form>
</Formik>
</div>
);
}
发布于 2020-09-18 07:55:30
我可以在不造成大量性能影响的情况下让它工作的唯一方法是:
import Accordion from "@material-ui/core/Accordion";
import AccordionDetails from "@material-ui/core/AccordionDetails";
import AccordionSummary from "@material-ui/core/AccordionSummary";
import Typography from "@material-ui/core/Typography";
import ExpandMoreIcon from "@material-ui/icons/ExpandMore";
import React, { useState } from "react";
export default function ControlledAccordions() {
const [expanded, setExpanded] = useState("");
const handleChange = (panel) => () => {
setExpanded(panel);
};
return (
<div>
<Accordion
expanded={expanded === "panel1"}
onChange={handleChange("panel1")}
>
<AccordionSummary expandIcon={<ExpandMoreIcon />}>
<Typography>General settings</Typography>
<Typography>I am an accordion</Typography>
</AccordionSummary>
<AccordionDetails>
<Typography>
Nulla facilisi. Phasellus sollicitudin nulla et quam mattis feugiat.
Aliquam eget maximus est, id dignissim quam.
</Typography>
</AccordionDetails>
</Accordion>
</div>
);
}
https://stackoverflow.com/questions/63947221
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