我成功地使菜单名在单击时折叠，但我对“悬停在菜单名上”上显示的浮动子菜单有问题，我需要使此浮动子菜单在单击“菜单名”后打开，而不是在悬停时浮动，

我找到adminmenu的代码

    $submenu_items = array();
    if ( ! empty( $submenu[ $item[2] ] ) ) {
        $class[]       = \'wp-has-submenu\';
        $submenu_items = $submenu[ $item[2] ];
    }

    if ( ( $parent_file && $item[2] === $parent_file ) || ( empty( $typenow ) && $self === $item[2] ) ) {
        if ( ! empty( $submenu_items ) ) {
            $class[] = \'wp-has-current-submenu wp-menu-open\';
        } else {
            $class[]          = \'current\';
            $aria_attributes .= \'aria-current="page"\';
        }
    } else {
        $class[] = \'wp-not-current-submenu\';
        if ( ! empty( $submenu_items ) ) {
            $aria_attributes .= \'aria-haspopup="true"\';
        }
    }

/**
 * Handles the `aria-haspopup` attribute on the current menu item when it has a submenu.
 *
 * @since 4.4.0
 *
 * @return {void}
 */
function currentMenuItemHasPopup() {
    var $current = $( \'a.wp-has-current-submenu\' );

    if ( \'folded\' === menuState ) {
        // When folded or auto-folded and not responsive view, the current menu item does have a fly-out sub-menu.
        $current.attr( \'aria-haspopup\', \'true\' );
    } else {
        // When expanded or in responsive view, reset aria-haspopup.
        $current.attr( \'aria-haspopup\', \'false\' );
    }
}

$document.on( \'wp-menu-state-set wp-collapse-menu wp-responsive-activate wp-responsive-deactivate\', currentMenuItemHasPopup );

/**
 * Ensures an admin submenu is within the visual viewport.
 *
 * @since 4.1.0
 *
 * @param {jQuery} $menuItem The parent menu item containing the submenu.
 *
 * @return {void}
 */
function adjustSubmenu( $menuItem ) {
    var bottomOffset, pageHeight, adjustment, theFold, menutop, wintop, maxtop,
        $submenu = $menuItem.find( \'.wp-submenu\' );

    menutop = $menuItem.offset().top;
    wintop = $window.scrollTop();
    maxtop = menutop - wintop - 30; // max = make the top of the sub almost touch admin bar.

    bottomOffset = menutop + $submenu.height() + 1; // Bottom offset of the menu.
    pageHeight = $wpwrap.height();                  // Height of the entire page.
    adjustment = 60 + bottomOffset - pageHeight;
    theFold = $window.height() + wintop - 50;       // The fold.

    if ( theFold < ( bottomOffset - adjustment ) ) {
        adjustment = bottomOffset - theFold;
    }

    if ( adjustment > maxtop ) {
        adjustment = maxtop;
    }

    if ( adjustment > 1 ) {
        $submenu.css( \'margin-top\', \'-\' + adjustment + \'px\' );
    } else {
        $submenu.css( \'margin-top\', \'\' );
    }
}

if ( \'ontouchstart\' in window || /IEMobile\\/[1-9]/.test(navigator.userAgent) ) { // Touch screen device.
    // iOS Safari works with touchstart, the rest work with click.
    mobileEvent = isIOS ? \'touchstart\' : \'click\';

    /**
     * Closes any open submenus when touch/click is not on the menu.
     *
     * @param {Event} e The event object.
     *
     * @return {void}
     */
    $body.on( mobileEvent+\'.wp-mobile-hover\', function(e) {
        if ( $adminmenu.data(\'wp-responsive\') ) {
            return;
        }

        if ( ! $( e.target ).closest( \'#adminmenu\' ).length ) {
            $adminmenu.find( \'li.opensub\' ).removeClass( \'opensub\' );
        }
    });

    /**
     * Handles the opening or closing the submenu based on the mobile click|touch event.
     *
     * @param {Event} event The event object.
     *
     * @return {void}
     */
    $adminmenu.find( \'a.wp-has-submenu\' ).on( mobileEvent + \'.wp-mobile-hover\', function( event ) {
        var $menuItem = $(this).parent();

        if ( $adminmenu.data( \'wp-responsive\' ) ) {
            return;
        }

        /*
         * Show the sub instead of following the link if:
         *  - the submenu is not open.
         *  - the submenu is not shown inline or the menu is not folded.
         */
        if ( ! $menuItem.hasClass( \'opensub\' ) && ( ! $menuItem.hasClass( \'wp-menu-open\' ) || $menuItem.width() < 40 ) ) {
            event.preventDefault();
            adjustSubmenu( $menuItem );
            $adminmenu.find( \'li.opensub\' ).removeClass( \'opensub\' );
            $menuItem.addClass(\'opensub\');
        }
    });
}

if ( ! isIOS && ! isAndroid ) {
    $adminmenu.find( \'li.wp-has-submenu\' ).hoverIntent({

        /**
         * Opens the submenu when hovered over the menu item for desktops.
         *
         * @return {void}
         */
        over: function() {
            var $menuItem = $( this ),
                $submenu = $menuItem.find( \'.wp-submenu\' ),
                top = parseInt( $submenu.css( \'top\' ), 10 );

            if ( isNaN( top ) || top > -5 ) { // The submenu is visible.
                return;
            }

            if ( $adminmenu.data( \'wp-responsive\' ) ) {
                // The menu is in responsive mode, bail.
                return;
            }

            adjustSubmenu( $menuItem );
            $adminmenu.find( \'li.opensub\' ).removeClass( \'opensub\' );
            $menuItem.addClass( \'opensub\' );
        },

        /**
         * Closes the submenu when no longer hovering the menu item.
         *
         * @return {void}
         */
        out: function(){
            if ( $adminmenu.data( \'wp-responsive\' ) ) {
                // The menu is in responsive mode, bail.
                return;
            }

            $( this ).removeClass( \'opensub\' ).find( \'.wp-submenu\' ).css( \'margin-top\', \'\' );
        },
        timeout: 200,
        sensitivity: 7,
        interval: 90
    });

    /**
     * Opens the submenu on when focused on the menu item.
     *
     * @param {Event} event The event object.
     *
     * @return {void}
     */
    $adminmenu.on( \'focus.adminmenu\', \'.wp-submenu a\', function( event ) {
        if ( $adminmenu.data( \'wp-responsive\' ) ) {
            // The menu is in responsive mode, bail.
            return;
        }

        $( event.target ).closest( \'li.menu-top\' ).addClass( \'opensub\' );

        /**
         * Closes the submenu on blur from the menu item.
         *
         * @param {Event} event The event object.
         *
         * @return {void}
         */
    }).on( \'blur.adminmenu\', \'.wp-submenu a\', function( event ) {
        if ( $adminmenu.data( \'wp-responsive\' ) ) {
            return;
        }

        $( event.target ).closest( \'li.menu-top\' ).removeClass( \'opensub\' );

        /**
         * Adjusts the size for the submenu.
         *
         * @return {void}
         */
    }).find( \'li.wp-has-submenu.wp-not-current-submenu\' ).on( \'focusin.adminmenu\', function() {
        adjustSubmenu( $( this ) );
    });
}