TailWind CSS hover 上的下拉菜单

Question

我有以下组件：

<div class="p-5">
    <div class="flex h-64 justify-center">
        <div class="relative ">
            <div class="flex flex-row cursor-pointer truncate p-2 px-4  rounded">
                <div></div>
                <div class="flex flex-row-reverse ml-2 w-full">
                    <div slot="icon" class="relative">
                        <div class="absolute text-xs rounded-full -mt-1 -mr-2 px-1 font-bold top-0 right-0 bg-red-700 text-white">3</div>
                        <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-shopping-cart w-6 h-6 mt-2">
                            <circle cx="9" cy="21" r="1"></circle>
                            <circle cx="20" cy="21" r="1"></circle>
                            <path d="M1 1h4l2.68 13.39a2 2 0 0 0 2 1.61h9.72a2 2 0 0 0 2-1.61L23 6H6"></path>
                        </svg>
                    </div>
                </div>
            </div>
            <div class="absolute w-full  rounded-b border-t-0 z-10">
                <div class="shadow-xl w-64">
                    <div class="p-2 flex bg-white hover:bg-gray-100 cursor-pointer border-b border-gray-100" style="">
                        <div class="p-2 w-12"><img src="https://dummyimage.com/50x50/bababa/0011ff&amp;text=50x50" alt="img product"></div>
                        <div class="flex-auto text-sm w-32">
                            <div class="font-bold">Product 1</div>
                            <div class="truncate">Product 1 description</div>
                            <div class="text-gray-400">Qt: 2</div>
                        </div>
                        <div class="flex flex-col w-18 font-medium items-end">
                            <div class="w-4 h-4 mb-6 hover:bg-red-200 rounded-full cursor-pointer text-red-700">
                                <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-trash-2 ">
                                    <polyline points="3 6 5 6 21 6"></polyline>
                                    <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path>
                                    <line x1="10" y1="11" x2="10" y2="17"></line>
                                    <line x1="14" y1="11" x2="14" y2="17"></line>
                                </svg>
                            </div>
                            $12.22</div>
                    </div>
                    <div class="p-2 flex bg-white hover:bg-gray-100 cursor-pointer border-b border-gray-100" style="">
                        <div class="p-2 w-12"><img src="https://dummyimage.com/50x50/bababa/0011ff&amp;text=50x50" alt="img product"></div>
                        <div class="flex-auto text-sm w-32">
                            <div class="font-bold">Product 2</div>
                            <div class="truncate">Product 2 long description</div>
                            <div class="text-gray-400">Qt: 2</div>
                        </div>
                        <div class="flex flex-col w-18 font-medium items-end">
                            <div class="w-4 h-4 mb-6 hover:bg-red-200 rounded-full cursor-pointer text-red-700">
                                <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-trash-2 ">
                                    <polyline points="3 6 5 6 21 6"></polyline>
                                    <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path>
                                    <line x1="10" y1="11" x2="10" y2="17"></line>
                                    <line x1="14" y1="11" x2="14" y2="17"></line>
                                </svg>
                            </div>
                            $12.22</div>
                    </div>
                    <div class="p-2 flex bg-white hover:bg-gray-100 cursor-pointer border-b border-gray-100" style="">
                        <div class="p-2 w-12"><img src="https://dummyimage.com/50x50/bababa/0011ff&amp;text=50x50" alt="img product"></div>
                        <div class="flex-auto text-sm w-32">
                            <div class="font-bold">Product 3</div>
                            <div class="truncate">Product 3 description</div>
                            <div class="text-gray-400">Qt: 2</div>
                        </div>
                        <div class="flex flex-col w-18 font-medium items-end">
                            <div class="w-4 h-4 mb-6 hover:bg-red-200 rounded-full cursor-pointer text-red-700">
                                <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%" fill="none" viewBox="0 0 24 24" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-trash-2 ">
                                    <polyline points="3 6 5 6 21 6"></polyline>
                                    <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path>
                                    <line x1="10" y1="11" x2="10" y2="17"></line>
                                    <line x1="14" y1="11" x2="14" y2="17"></line>
                                </svg>
                            </div>
                            $12.22</div>
                    </div>
                    <div class="p-4 justify-center flex">
                        <button class="text-base  undefined  hover:scale-110 focus:outline-none flex justify-center px-4 py-2 rounded font-bold cursor-pointer 
        hover:bg-teal-700 hover:text-teal-100 
        bg-teal-100 
        text-teal-700 
        border duration-200 ease-in-out 
        border-teal-600 transition">Checkout $36.66</button>
                    </div>
                </div>
            </div>
        </div>
    </div>
    <div class="h-32"></div>
</div>

看起来像：下拉组件我正在寻找的效果是首先隐藏下拉菜单，每次我在购物车徽标上的 hover 离开鼠标后下拉菜单将可见 2 秒（hover 完成后）从购物车标志。

Answer 1

将“组 h-0” class 添加到父级

<div class="relative group h-0 ">

这样在它的帮助下访问子 class，也使父级的高度为 0px，因为不希望父级在隐藏子级时占据全高，

然后在子div中首先隐藏子元素，然后在div中父“隐藏组悬停：块”的hover上添加块

 <div class="absolute w-full hidden group-hover:block rounded-b border-t-0 z-10">

希望能帮助到你。