dropdown-menu li:hover { background-color: #f1f1f1; } 常见问题及解决方案 1. 外部点击关闭下拉菜单 问题:当用户点击下拉菜单外部区域时,下拉菜单不会自动关闭。 解决方案:使用 useEffect 和addEventListener 来监听外部点击事件。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import React, { useState...
.dropdown{position:relative;display:inline-block;}.dropdown button{background-color:#007bff;color:white;padding:10px 20px;border:none;cursor:pointer;}.dropdown-menu{display:block;position:absolute;background-color:white;box-shadow:0 8px 16px 0rgba(0,0,0,0.2);min-width:160px;z-index:1;}...
> 悬停显示下拉 </button> {isDropdownVisible && ( <ul className="dropdown-menu"> <li>选项 1</li> <li>选项 2</li> <li>选项 3</li> </ul> )} </div> ); }; export default HoverDropdownButton...
import React, { useEffect } from 'react'; function DropdownMenu() { useEffect(() => { const $ = window.$; // 引入JQuery库 // 使用JQuery选择器获取下拉菜单,并更改选项 $('#dropdown-menu').val('Option 2'); }, []); return ( <select id="dropdown-menu"> <option value="Option...
border:none;cursor:pointer;}.dropdown-menu{display:block;position:absolute;background-color:white;box-shadow:0 8px 16px 0rgba(0,0,0,0.2);min-width:160px;z-index:1;}.dropdown-menu li{padding:12px 16px;text-decoration:none;display:block;}.dropdown-menu li:hover{background-color:#f1f1...
{constmenuOptions={isOpen:this.state.isMenuOpen,close:this.close,toggle:<buttontype="button"onClick={this.toggle}>Click me!</button>,align:'right',};constnestedProps={toggle:<ahref="#">Hover me for Nested Menu!</a>,animate:true,};return(<DropdownMenu{...menuOptions}><li><ahref="...
React component for building accessible menu, dropdown, submenu, context menu, and more. - szhsin/react-menu
dropdown-content a:hover { background-color: cornflowerblue; } .dropdown:hover .dropdown-content { display: block; } So upon running the above described code we get this on desktop resolution :Since our sample app is running, it is time to test whether the functionality works as expected....
}, { label: '3rd menu item', key: '3', }, ]; const App = () => ( <Dropdown menu={{ items, onClick, // 注意此处 }} > <a onClick={(e) => e.preventDefault()}> <Space> Hover me, Click menu item <DownOutlined /> </Space> </a> </Dropdown> ); export default App...
import{Dropdown}from'uiw';// orimportDropdownfrom'@uiw/react-dropdown'; 基本用法 importReactfrom'react';import{Dropdown,Menu,ButtonGroup,Button,Divider,Icon}from'uiw';constmenu=(<div><Menuborderedstyle={{minWidth:120}}><Menu.Itemicon="reload"text="重新加载"/><Menu.Itemicon="heart-on"text...