Jac*_*cki 8 radio-button reactjs material-ui
我希望能够取消选中单选按钮,想法是这样的:如果我点击某个单选按钮,它将被选中,如果我点击另一个字段,这个另一个字段将被选中但是如果我点击在已选中的字段上,我希望取消选中它,以便所有字段都为空。我试图抓住被选中或取消选中的时刻,但似乎与复选框相反,单选按钮没有这个字段。有谁知道如何实现这一目标?
setTests = (key, e) => {
console.log(e.checked)
if (e.checked) {
// this.setState({[key]: null})
console.log('works')
}
}
RadioGroup
value={this.state.test_mode}
style={{ display: "block" }}
onChange={e => this.setTests({ "test_mode", e.target })}
>
<FormControlLabel value="before" control={<Radio color="primary"/>} label="before tests" />
<FormControlLabel value="progressing" control={<Radio color="primary"/>} label="progressing" />
<FormControlLabel value="done" control={<Radio color="primary"/>} label="done" />
</RadioGroup>
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Rya*_*ell 10
下面是如何执行此操作的示例。您不使用 的onChange,而是RadioGroup使用 的onClick事件Radio。如果新值与 state 中的当前值匹配,则将该值设置为空字符串。
import React from "react";
import { makeStyles } from "@material-ui/core/styles";
import Radio from "@material-ui/core/Radio";
import RadioGroup from "@material-ui/core/RadioGroup";
import FormControlLabel from "@material-ui/core/FormControlLabel";
import FormControl from "@material-ui/core/FormControl";
import FormLabel from "@material-ui/core/FormLabel";
const useStyles = makeStyles(theme => ({
root: {
display: "flex"
},
formControl: {
margin: theme.spacing(3)
},
group: {
margin: theme.spacing(1, 0)
}
}));
export default function RadioButtonsGroup() {
const classes = useStyles();
const [value, setValue] = React.useState("female");
function handleClick(event) {
if (event.target.value === value) {
setValue("");
} else {
setValue(event.target.value);
}
}
return (
<div className={classes.root}>
<FormControl component="fieldset" className={classes.formControl}>
<FormLabel component="legend">Gender</FormLabel>
<RadioGroup
aria-label="gender"
name="gender1"
className={classes.group}
value={value}
>
<FormControlLabel
value="female"
control={<Radio onClick={handleClick} />}
label="Female"
/>
<FormControlLabel
value="male"
control={<Radio onClick={handleClick} />}
label="Male"
/>
<FormControlLabel
value="other"
control={<Radio onClick={handleClick} />}
label="Other"
/>
</RadioGroup>
</FormControl>
</div>
);
}
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