我将在Material UI的顶部创建一个组件库。使用JSS,我希望能够将样式传递给自定义组件。但是,我遇到了Material-ui的根样式具有比我传入的更高的特异性的问题。我尝试使用classes
语法覆盖material-ui组件的默认样式,但是它只是创建了另一个具有类似内容的类名称和更高的特异性(makeStyles-root-51)。
使用自定义组件:
import React from 'react';
import {GSelect} from 'g-react-component-library/dist'
import {createUseStyles} from 'react-jss'
function App() {
const useStyles = createUseStyles({
gSelect: {margin: "15px"},
separator: {marginTop: "15px"},
example: {float: "left", display: "inline-block", whiteSpace: 'nowrap', verticalAlign: 'top'}
});
const classes = useStyles();
return (
<div className={classes.separator}>
<div>Selects:</div>
<GSelect default={1} className={classes.gSelect} callback={(e)=>{console.log(`${e} selected`)}} options={[1,2,3,4]}/>
<GSelect default={'One'} className={classes.gSelect} callback={(e)=>{console.log(`${e} selected`)}} options={["One", "Two", "Three", "Four"]}/>
</div>
</div>
);
}
export default App;
实际的自定义组件:
import React, {useState} from 'react';
import {Button, Select, FormControl, MenuItem, InputLabel} from '@material-ui/core'
import {makeStyles} from '@material-ui/styles'
import PropTypes from 'prop-types'
const GSelect= (props) => {
const [value, setValue] = useState();
const handleChange = event => {
props.callback(event.target.value);
setValue(event.target.value);
};
const useStyles = makeStyles({
root: {
margin: '15px'
},
gSelect: {
border: 'solid #33333366 1px',
color: 'rgba(51, 51, 51, 0.66)',
fontWeight: '700',
backgroundColor: 'white',
outline: 'none',
borderRadius: '5px',
textAlign: 'left',
width: '300px',
position: 'relative',
}
});
const classes = useStyles();
return (
<FormControl classes={{root: classes.root}} className={props.className}>
<InputLabel id="demo-simple-select-label">{props.default}</InputLabel>
<Select value={value} onChange={handleChange} className={classes.gSelect}>
{props.options.map((option, index) => {
return <MenuItem key={`${option}_${index}`} value={option}>{option}</MenuItem>
})}
</Select>
</FormControl>
)
};
GSelect.propTypes = {
callback: PropTypes.func.isRequired,
options: PropTypes.array.isRequired,
default: PropTypes.oneOfType([
PropTypes.string,
PropTypes.number
]).isRequired,
disabled: PropTypes.bool,
width: PropTypes.string
};
module.exports = {
GSelect
};
有两种方法可以使用MUI进行操作,我更喜欢的一种方法是通过&&
提高特异性。
const useStyles = makeStyles({
root: {
'&&': {
margin: '15px'
},
},
});
与gSelect
相同
我希望这能奏效
ps.s。我不建议您使用dep:react-jss
,因为MUI已经在内部实现了JSS,并且它公开了用例可能需要的方法。看到这里: