二级菜单，部分

themes/next/components/DropMenu.js

@@ -0,0 +1,35 @@
+import Link from 'next/link'
+import { useState } from 'react'
+
+export const DropMenu = ({ link }) => {
+  const [show, changeShow] = useState(false)
+  const hasSubMenu = link?.subMenus?.length > 0
+
+  return <li onMouseOver={() => changeShow(true)} onMouseOut={() => changeShow(false)}
+        className='relative py-1.5 px-5 duration-300 text-base justify-between hover:bg-gray-700 hover:text-white hover:shadow-lg cursor-pointer font-light flex flex-nowrap items-center '>
+
+        {!hasSubMenu &&
+            <Link href={link?.to} className='w-full my-auto items-center justify-between flex ' >
+                <div><div className={`${link.icon} text-center w-4 mr-4`} />{link.name}</div>
+                {link.slot}
+            </Link>}
+
+        {hasSubMenu &&
+            <div className='w-full my-auto items-center justify-between flex '>
+                <div><div className={`${link.icon} text-center w-4 mr-4`} />{link.name}</div>
+                {link.slot}
+                {hasSubMenu && <div className='text-right'><i className='px-2 fa fa-angle-right'></i></div>}
+            </div>}
+
+        {/* 子菜单 */}
+        {hasSubMenu && <ul className={`${show ? 'visible opacity-100' : 'invisible opacity-0'} left-56 absolute right-0 top-0 w-full border-gray-100  bg-white  dark:bg-black dark:border-gray-800 transition-all duration-300 drop-shadow-lg `}>
+            {link.subMenus.map(sLink => {
+              return <li key={sLink.id} className='my-auto h-9 px-2 items-center justify-start flex not:last-child:border-b-0 border-b text-gray-700 dark:text-gray-200  hover:bg-gray-50 dark:hover:bg-gray-900 tracking-widest transition-all duration-200  dark:border-gray-800 '>
+                    <i className={`${sLink.icon} w-4 text-center`} />
+                    <div className={'ml-4'}>{sLink.name}</div>
+                    {sLink.slot}
+                </li>
+            })}  </ul>}
+
+    </li>
+}