目前,menuItem仅在单击后打开您的孩子。是否有我同意通过Hover打开的属性?
<MenuItem key={index}
menuItems={menuitems}
**onHover={true}**
>
menuItem
</MenuItem>
material-ui库中没有可用的特定属性。但是,你可以使用onMouseOver
事件轻松地创建它。
我已经从material-ui网站改编了Simple Menu example,向您展示如何做到这一点:
import React from 'react';
import Button from 'material-ui/Button';
import Menu, { MenuItem } from 'material-ui/Menu';
class SimpleMenu extends React.Component {
state = {
anchorEl: null,
open: false,
};
handleClick = event => {
this.setState({ open: true, anchorEl: event.currentTarget });
};
handleRequestClose = () => {
this.setState({ open: false });
};
render() {
return (
<div>
<Button
aria-owns={this.state.open ? 'simple-menu' : null}
aria-haspopup="true"
onClick={this.handleClick}
{ // The following line makes the menu open whenever the mouse passes over the menu }
onMouseOver={this.handleClick}
>
Open Menu
</Button>
<Menu
id="simple-menu"
anchorEl={this.state.anchorEl}
open={this.state.open}
onRequestClose={this.handleRequestClose}
>
<MenuItem onClick={this.handleRequestClose}>Profile</MenuItem>
<MenuItem onClick={this.handleRequestClose}>My account</MenuItem>
<MenuItem onClick={this.handleRequestClose}>Logout</MenuItem>
</Menu>
</div>
);
}
}
export default SimpleMenu;