如何使用钩子覆盖材料ui样式 [英] How override material ui style with hooks
问题描述
我尝试创建剪切到页面顶部的AppBar,并使用类名将其与React Hooks和Material Ui悬停在其他Drawer上.详情请参见:
但是当下载并编译相同的项目时,这是不可行的:
看一下调试器,样式是内联的.在沙盒中,挂钩位于底部:
在浏览器中,通过运行启动"运行应用时,其位于顶部:
这就是区别,但是为什么以及如何解决呢?
您可以使用 classes
道具而不是 classNames
覆盖Material-ui样式.
例如
< AppBar position ="fixed" classes = {{root:classes.appBar}}>
在这里,我使用了 root
键进行覆盖,还有许多其他键可供您使用.
每个Material-ui组件都有一个api节.您将在此处获得覆盖键的列表.
一些有用的链接-
https://https://material-ui.com/customization/components/#overriding-styles-with-class-names
https://material-ui.com/api/app-bar/
I try to create AppBar clipped to the page top and hovering over other Drawer with React Hooks and Material Ui using class name. All as described in: https://material-ui.com/demos/drawers/#clipped-under-the-app-bar
So we have
const useStyles = makeStyles(theme => ({
root: {
display: 'flex',
height: '100%',
},
drawer: {
width: drawerWidth,
flexShrink: 0,
},
appBar: {
zIndex: theme.zIndex.drawer + 1,
},
menuButton: {
marginRight: 20,
[theme.breakpoints.up('md')]: {
display: 'none',
},
},
}));
And reder:
<div className={classes.root}>
<CssBaseline/>
<LoadingResults showLoading={showLoadingSpinner}/>
<AppBar position="fixed" className={classes.appBar} >
...
</AppBar>
....
Problem is that the style applied with className is added last of the element so its not overriding the orignal style:
class="MuiPaper-root-12 MuiPaper-elevation4-18 MuiAppBar-root-3 MuiAppBar-positionFixed-4 MuiAppBar-colorPrimary-10 mui-fixed Hook-appBar-1b6f20g"
I know I can use inline styles but wonder to know if I can override styles using classNames with hooks as it was with "legacy" component approach ?
Here is sandbox: https://codesandbox.io/s/w7njqorzy7?fontsize=14
What happens is that in sandbox the code works ok (appbar over lefthand side container)
But when the same project is downloaded and compiled it's not ok:
Looking at the debuger the styles are inline. In the sandbox hooks are at the bottom:
In the browser when app is run via "run start" its on top:
So this is the difference, but why and how to fix this ?
You can override material-ui styles with classes
props instead of classNames
.
For example
<AppBar position="fixed" classes={{root: classes.appBar}}>
Here I have used root
key to override, there are many other keys with which you can play around.
Every Material-ui component have an api section. You will get list of overriding keys listed there.
Some useful links -
https://https://material-ui.com/customization/components/#overriding-styles-with-class-names
https://material-ui.com/api/app-bar/
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