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JQuery仿elementui级联控件

公冶同
2023-12-01

elementui太香了，但是基于vue.js…

没法了，jq党只能自己来了

以下代码即拿即用，别忘推荐！！！
HTML

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>级联控件</title>
    <link rel="stylesheet" href="./ZdCascader.css" type="text/css">
</head>
 
<body>  
    <div>
        <input type="text" id="test"/>
    </div>
    <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
    <script src="./ZdCascader.js"></script>
    <script>
        var _data = [{
            value: 'shanghai',
            label: '上海',
            children: [{
                value: 'shanghaishi',
                label: '上海市',
                children: [{
                    value: 'baoshan1',
                    label: '宝山区saa发送飞洒发送'
                }, {
                    value: 'fengxian1',
                    label: '奉贤区'
                }, {
                    value: 'putuo1',
                    label: '普陀区'
                }, {
                    value: 'hongkou1',
                    label: '虹口区'
                }]
            }]
        }, {
            value: 'hunan',
            label: '湖南省',
            children: [{
                value: 'shaoyang',
                label: '邵阳市',
                children: [{
                    value: 'baoshan2',
                    label: '宝山区'
                }, {
                    value: 'fengxian2',
                    label: '奉贤区'
                }, {
                    value: 'putuo2',
                    label: '普陀区'
                }, {
                    value: 'hongkou2',
                    label: '虹口区'
                }]
            }, {
                value: 'hengyang',
                label: '衡阳市',
                children: [{
                    value: 'baoshan3',
                    label: '宝山区'
                }, {
                    value: 'putuo3',
                    label: '普陀区'
                }, {
                    value: 'hongkou3',
                    label: '虹口区'
                }]
            }]
        }, {
            value: 'sichuan',
            label: '四川省',
            children: [{
                value: 'leshanshi',
                label: '乐山市',
                children: [{
                    value: 'baoshan4',
                    label: '宝山区'
                }, {
                    value: 'fengxian4',
                    label: '奉贤区'
                }, {
                    value: 'putuo4',
                    label: '普陀区'
                }, {
                    value: 'hongkou4',
                    label: '虹口区'
                }]
            }]
        }, {
            value: 'beijing',
            label: '北京'
        }];
        $(function(){
            $('#test').zdCascader({
                data:_data
            });
        })
    </script>  
</body>
 
</html>

JavaScript插件：


```javascript
/**
 * @author: Zhang Dong
 * @version: v1.0.1
 */
 
;
(function ($) {
    var _keyCodes = {
        ESC: 27,
        TAB: 9,
        RETURN: 13,
        LEFT: 37,
        UP: 38,
        RIGHT: 39,
        DOWN: 40,
        ENTER: 13,
        SHIFT: 16
    }
 
    function ZdCascader(el, options) {
        this.options = options;
        this.CLASS = ZdCascader.CLASS;
        this.$el = $(el); //input
        this.$el_ = this.$el.clone();
 
        this.init();
    }
    ZdCascader.CLASS = {
        wrap: "zd-cascader-wrap",
        inputwrap: "zd-input zd-input--suffix",
        input: "zd-input__inner",
        iconWrap: "zd-input__suffix",
        iconInnerWrap: "zd-input__suffix-inner",
        icon: "icon zd-input__icon zd-icon-arrow-down",
        dropdownWrap: "zd-cascader__dropdown",
        dropdownPanel: "zd-cascader-panel",
        menuWrap: "zd-cascader-menu",
        menuList: "zd-cascader-menu__list",
        menuNode: "zd-cascader-node",
        menuNodeLabel: "zd-cascader-node__label",
        menuNodePostfix: "zd-cascader-node__postfix",
        checkClass: {
            wrapFocus: 'is-focus',
            menuNodeSelected: "in-active-path",
            nodeSelectedIcon: "is-selected-icon",
            nodeAnchor: "is-prepare" //预备选中
        }
    }
    ZdCascader.DEFAULTS = {
        data: null, //支持格式[{value:"",label:"",children:[{value:"",label:""}]}]
        range: ' / ', //分割符
        onChange: function (data) {}
    }
 
    ZdCascader.METHODS = ['reload', 'destroy'];
 
    ZdCascader.prototype.init = function () {
        /*构建基础html*/
        this._construct();
        /*事件绑定*/
        this._event();
    }
 
 
    //构建Cascader的html
    ZdCascader.prototype._construct = function () {
        var self = this;
        //最外层容器
        this.$container = this.$el.wrap(`<div class="${this.CLASS.wrap}"></div>`)
            .wrap(`<div class="${this.CLASS.inputwrap}"></div>`).addClass(this.CLASS.input).prop('readonly', true)
            .closest('.' + this.CLASS.wrap);
 
        //文本框右侧图标
        this.$arrow = $(`<span class="zd-input__suffix">
                            <span class="zd-input__suffix-inner">
                                <svg t="1600158452164" class="icon zd-input__icon zd-icon-arrow-down" viewBox="0 0 1024 1024"
                                    version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1181" width="200" height="200">
                                    <path
                                        d="M538.434046 617.504916c0 3.687996-1.403976 7.356548-4.211928 10.1645-5.615904 5.615904-14.713097 5.615904-20.329001 0L364.187513 476.931297c-5.615904-5.615904-5.615904-14.713097 0-20.329001 5.615904-5.615904 14.713097-5.615904 20.329001 0l149.705604 150.739143C537.03007 610.148367 538.434046 613.817943 538.434046 617.504916z"
                                        p-id="1182" fill="#515151"></path>
                                    <path
                                        d="M689.172165 466.767819c0 3.687996-1.403976 7.356548-4.211928 10.1645L534.222117 627.670439c-5.615904 5.615904-14.713097 5.615904-20.329001 0-5.615904-5.615904-5.615904-14.713097 0-20.329001L664.631236 456.603319c5.615904-5.615904 14.713097-5.615904 20.329001 0C687.768189 459.411271 689.172165 463.079824 689.172165 466.767819z"
                                        p-id="1183" fill="#515151"></path>
                                </svg>
                            </span>
                        </span>`).insertAfter(this.$el);
        //下拉列表
        this.$dropdownWrap = $(`<div class="${this.CLASS.dropdownPanel}"></div>`).appendTo(this.$container).wrap(`<div class="${this.CLASS.dropdownWrap}"></div>`);
 
        this.reload();
    }
 
    /*事件绑定*/
    ZdCascader.prototype._event = function () {
        this.$container.on('click.wrap', $.proxy(this._wrapClick, this));
        this.$container.on('mousedown', $.proxy(function (event) {
            this.$el.focus();
            event.stopPropagation();
        }, this));
        $(document).on('mousedown.cascader', $.proxy(function () {
            this.$container.removeClass(this.CLASS.checkClass.wrapFocus);
        }, this));
 
        this.$container.on('blur.wrap', $.proxy(function () {
            this.$container.removeClass(this.CLASS.checkClass.wrapFocus);
        }, this));
 
        this.$container.on('click.item', '.' + this.CLASS.menuNode, $.proxy(this._nodeClick, this));
 
        this.$el.on('keyup.wrap', $.proxy(this._keyup, this));
    }
    ZdCascader.prototype._wrapClick = function () {
        event.stopPropagation();
        this.$el.focus();
        if (!this.$container.hasClass(this.CLASS.checkClass.wrapFocus)) {
            // if (this.$dropdownWrap.children(this.CLASS.menuWrap).length === 0)
            //     loadFirst();
            this.$container.addClass(this.CLASS.checkClass.wrapFocus);
        }
        this.$dropdownWrap.find('li.' + this.CLASS.checkClass.nodeAnchor).removeClass(this.CLASS
            .checkClass.nodeAnchor);
        this.$dropdownWrap.find(this.CLASS.menuList).eq(0).find('li.' + this.CLASS.checkClass
            .menuNodeSelected).addClass(this.CLASS.checkClass.nodeAnchor);
    }
    ZdCascader.prototype._nodeClick = function (event) {
        var $that = event.currentTarget ? $(event.currentTarget) : $(event); //li 
        var $wrap = $that.closest('.' + this.CLASS.menuWrap);
        $that.addClass(this.CLASS.checkClass.menuNodeSelected).siblings().removeClass(this.CLASS.checkClass.menuNodeSelected);
        var data = $that.data('bindData');
        if (!data.children) {
            $wrap.nextAll().remove();
            var prevWrap = $wrap.prevAll();
            var value = data.label;
            var allPathData = [data];
            $.each(prevWrap, (i, m) => {
                var selectedData = $(m).find('li.' + this.CLASS.checkClass
                    .menuNodeSelected).data(
                    'bindData');
                value = selectedData.label + this.options.range + value;
                allPathData.push(selectedData);
            });
            this.$el.val(value).focus();
            this.$container.removeClass(this.CLASS.checkClass.wrapFocus);
            this.$dropdownWrap.find('.' + this.CLASS.checkClass.nodeSelectedIcon).remove();
            $that.prepend($(`<span class="${this.CLASS.checkClass.nodeSelectedIcon}">√</span>`));
            this.$el.data('bindData', data);
            this.$el.data('bindPathData', allPathData);
            if (this.options.onChange && typeof this.options.onChange === "function")
                this.options.onChange(this, data, allPathData);
            event.stopPropagation();
        } else
            this._loadChildren($that);
    }
    ZdCascader.prototype._loadChildren = function ($parentNode) {
        this.$el.focus();
        $parentNode.addClass(this.CLASS.checkClass.menuNodeSelected).siblings().removeClass(this.CLASS.checkClass.menuNodeSelected);
        var $wrap = $parentNode.closest('.' + this.CLASS.menuWrap);
        var data = $parentNode.data('bindData');
        this.$dropdownWrap.find('li.' + this.CLASS.checkClass.nodeAnchor).removeClass(this.CLASS
            .checkClass.nodeAnchor);
        $parentNode.addClass(this.CLASS.checkClass.nodeAnchor);
        if (!data.children) {
            $wrap.nextAll().remove();
            return
        }
        var selectedId = [];
        var pathData = this.$el.data('bindPathData');
        if (pathData && pathData.length > 0) {
            selectedId = $.map(pathData, m => {
                return m.value
            });
        }
        var $nextWrap = $wrap.next();
        if (!$nextWrap || $nextWrap.length === 0) {
            $nextWrap = $(`<div class="zd-scrollbar ${this.CLASS.menuWrap}">
                                <div class="zd-cascader-menu__wrap zd-scrollbar__wrap">
                                    <ul class="${this.CLASS.menuList}">
                                    </ul>
                                </div>
                            </div>`);
            $nextWrap = $nextWrap.appendTo(this.$dropdownWrap);
        }
        $nextWrap.nextAll().remove();
        var $ul = $nextWrap.find('.' + this.CLASS.menuList).empty();
        $.each(data.children, (i, m) => {
            var $li = $(`<li class="${this.CLASS.menuNode}"></li>`);
            var $label = $(`<span class="${this.CLASS.menuNodeLabel}">${m.label}</span>`);
            var $icon = $(`<svg t="1600158452164"
                                class="icon zd-input__icon zd-icon-arrow-right ${this.CLASS.menuNodePostfix}"
                                viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1181"
                                width="200" height="200">
                                <path
                                    d="M538.434046 617.504916c0 3.687996-1.403976 7.356548-4.211928 10.1645-5.615904 5.615904-14.713097 5.615904-20.329001 0L364.187513 476.931297c-5.615904-5.615904-5.615904-14.713097 0-20.329001 5.615904-5.615904 14.713097-5.615904 20.329001 0l149.705604 150.739143C537.03007 610.148367 538.434046 613.817943 538.434046 617.504916z"
                                    p-id="1182" fill="#515151"></path>
                                <path
                                    d="M689.172165 466.767819c0 3.687996-1.403976 7.356548-4.211928 10.1645L534.222117 627.670439c-5.615904 5.615904-14.713097 5.615904-20.329001 0-5.615904-5.615904-5.615904-14.713097 0-20.329001L664.631236 456.603319c5.615904-5.615904 14.713097-5.615904 20.329001 0C687.768189 459.411271 689.172165 463.079824 689.172165 466.767819z"
                                    p-id="1183" fill="#515151"></path>
                            </svg>`);
            $li.append($label).data('bindData', m);
            if (m.children && m.children.length > 0) $li.append($icon);
            else if (selectedId.indexOf(m.value) >= 0) {
                this.$dropdownWrap.find('.' + this.CLASS.checkClass.nodeSelectedIcon).remove();
                $li.addClass(this.CLASS.checkClass.menuNodeSelected).prepend($(
                    `<span class="${this.CLASS.checkClass.nodeSelectedIcon}">√</span>`));
            }
            $li.appendTo($ul);
        });
    }
    //销毁
    ZdCascader.prototype.destroy = function () {
        $(this.$el).insertAfter(this.$el_);
        this.$el.remove();
    }
    //重新加载下拉数据
    ZdCascader.prototype.reload = function (data) {
        data = data || this.options.data;
        this.$el.val('').removeData('bindData').removeData('bindPathData');
        this.$dropdownWrap.empty();
        var selectedData = this.$el.data('bindData');
        var $firstWrap = $(`<div class="zd-scrollbar ${this.CLASS.menuWrap}">
                                    <div class="zd-cascader-menu__wrap zd-scrollbar__wrap">
                                        <ul class="${this.CLASS.menuList}">
                                        </ul>
                                    </div>
                                </div>`);
        var $ul = $firstWrap.find('.' + this.CLASS.menuList);
        $.each(data, (i, m) => {
            var $li = $(`<li class="${this.CLASS.menuNode}"></li>`);
            var $label = $(`<span class="${this.CLASS.menuNodeLabel}">${m.label}</span>`);
            var $icon = $(`<svg t="1600158452164"
                                class="icon zd-input__icon zd-icon-arrow-right ${this.CLASS.menuNodePostfix}"
                                viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1181"
                                width="200" height="200">
                                <path
                                    d="M538.434046 617.504916c0 3.687996-1.403976 7.356548-4.211928 10.1645-5.615904 5.615904-14.713097 5.615904-20.329001 0L364.187513 476.931297c-5.615904-5.615904-5.615904-14.713097 0-20.329001 5.615904-5.615904 14.713097-5.615904 20.329001 0l149.705604 150.739143C537.03007 610.148367 538.434046 613.817943 538.434046 617.504916z"
                                    p-id="1182" fill="#515151"></path>
                                <path
                                    d="M689.172165 466.767819c0 3.687996-1.403976 7.356548-4.211928 10.1645L534.222117 627.670439c-5.615904 5.615904-14.713097 5.615904-20.329001 0-5.615904-5.615904-5.615904-14.713097 0-20.329001L664.631236 456.603319c5.615904-5.615904 14.713097-5.615904 20.329001 0C687.768189 459.411271 689.172165 463.079824 689.172165 466.767819z"
                                    p-id="1183" fill="#515151"></path>
                            </svg>`);
            $li.append($label).data('bindData', m);
            if (m.children && m.children.length > 0) $li.append($icon);
            else if (selectedData && m.value == selectedData.value) {
                this.$dropdownWrap.find('.' + this.CLASS.checkClass.nodeSelectedIcon).remove();
                $li.prepend($(`<span class="${this.CLASS.checkClass.nodeSelectedIcon}">√</span>`));
            }
            $ul.append($li);
        });
        this.$dropdownWrap.find('li.' + this.CLASS.checkClass.nodeAnchor).removeClass(this.CLASS.checkClass.nodeAnchor);
        this.$dropdownWrap.append($firstWrap).find(this.CLASS.menuNode).eq(0).focus().addClass(this.CLASS.checkClass
            .nodeAnchor);
    }
    ZdCascader.prototype._keyup = function (event) {
        var keycode = event.which;
        switch (keycode) {
            case _keyCodes.DOWN:
                this._movedown();
                break;
            case _keyCodes.UP:
                this._moveup();
                break;
            case _keyCodes.LEFT:
                this._moveleft();
                break;
            case _keyCodes.RIGHT:
                this._moveright();
                break;
            case _keyCodes.ENTER:
                this._keyenter();
                break;
            case _keyCodes.ESC:
                this._keyesc();
                break;
            default:
                break;
        }
    }
 
    ZdCascader.prototype._movedown = function () {
        var $selected;
        if (!this.$container.hasClass(this.CLASS.checkClass.wrapFocus)) {
            this.$container.trigger('click');
            return
        }
        $selected = this.$dropdownWrap.find('.' + this.CLASS.menuNode + '.' + this.CLASS
            .checkClass
            .nodeAnchor);
        if ($selected.length === 0)
            $selected = this.$dropdownWrap.find('.' + this.CLASS.menuWrap).eq(0).find('.' + this.CLASS
                .menuNode).eq(0)
            .addClass(
                this.CLASS.checkClass.nodeAnchor);
        else if ($selected.next().length > 0)
            $selected = $selected.removeClass(this.CLASS.checkClass.nodeAnchor).next()
            .addClass(
                this.CLASS
                .checkClass.nodeAnchor);
        this._loadChildren($selected);
    }
    ZdCascader.prototype._moveup = function () {
        if (!this.$container.hasClass(this.CLASS.checkClass.wrapFocus)) return;
        var $selected = this.$dropdownWrap.find('.' + this.CLASS.menuNode + '.' + this.CLASS
            .checkClass.nodeAnchor);
        if ($selected.length === 0) return;
 
        if ($selected.prev().length > 0)
            $selected = $selected.removeClass(this.CLASS.checkClass.nodeAnchor).prev()
            .addClass(
                this.CLASS
                .checkClass.nodeAnchor);
        this._loadChildren($selected);
    }
    ZdCascader.prototype._moveleft = function () {
        if (!this.$container.hasClass(this.CLASS.checkClass.wrapFocus)) return;
        var $selected = this.$dropdownWrap.find('.' + this.CLASS.menuNode + '.' + this.CLASS
            .checkClass.nodeAnchor);
        if ($selected.length === 0) return;
 
        var $leftWrap = $selected.closest('.' + this.CLASS.menuWrap).prev();
        if ($leftWrap.length === 0) return;
 
        $selected.removeClass(this.CLASS.checkClass.nodeAnchor);
        $selected = $leftWrap.find('li.' + this.CLASS.checkClass.menuNodeSelected)
            .length > 0 ?
            $leftWrap.find('li.' + this.CLASS.checkClass.menuNodeSelected).eq(0) :
            $leftWrap.find('li' + this.CLASS.menuNode).eq(0);
        $selected.addClass(this.CLASS.checkClass.nodeAnchor);
        this._loadChildren($selected);
    }
    ZdCascader.prototype._moveright = function () {
        if (!this.$container.hasClass(this.CLASS.checkClass.wrapFocus)) return;
        var $selected = this.$dropdownWrap.find('.' + this.CLASS.menuNode + '.' + this.CLASS
            .checkClass.nodeAnchor);
        if ($selected.length === 0) return;
 
        var $rightWrap = $selected.closest('.' + this.CLASS.menuWrap).next();
        if ($rightWrap.length === 0) return;
 
        $selected.removeClass(this.CLASS.checkClass.nodeAnchor);
        $selected = $rightWrap.find('li.' + this.CLASS.menuNode).eq(0).addClass(
            this.CLASS.checkClass
            .nodeAnchor);
        this._loadChildren($selected);
    }
    ZdCascader.prototype._keyenter = function () {
        if (!this.$container.hasClass(this.CLASS.checkClass.wrapFocus)) return;
        var $selected = this.$dropdownWrap.find('.' + this.CLASS.menuNode + '.' + this.CLASS
            .checkClass.nodeAnchor);
        if ($selected.length === 0) return;
 
        var $rightWrap = $selected.closest('.' + this.CLASS.menuWrap).next();
        if ($rightWrap.length !== 0) return;
 
        $selected.trigger('click');
    }
    ZdCascader.prototype._keyesc = function () {
        if (!this.$container.hasClass(this.CLASS.checkClass.wrapFocus)) return;
        this.$container.removeClass(this.CLASS.checkClass.wrapFocus);
        this.$el.focus();
    }
 
    $.fn.zdCascader = function (option) {
        var value,
            args = Array.prototype.slice.call(arguments, 1);
 
        this.each(function () {
            var $this = $(this),
                data = $this.data('zdCascader'),
                options = $.extend({}, ZdCascader.DEFAULTS, $this.data(),
                    typeof option === 'object' && option);
 
            if (typeof option === 'string') {
                if ($.inArray(option, ZdCascader.METHODS) < 0) {
                    throw new Error("Unknown method: " + option);
                }
 
                if (!data) {
                    return;
                }
 
                value = data[option].apply(data, args);
 
                if (option === 'destroy') {
                    $this.removeData('zdCascader');
                }
            }
 
            if (!data) {
                $this.data('zdCascader', (data = new ZdCascader(this, options)));
            }
        });
 
        return typeof value === 'undefined' ? this : value;
    };
 
})(jQuery);

css

.zd-input {
    width: 100%;
    position: relative;
    display: inline-block;
}
 
.zd-input__inner {
    -webkit-appearance: none;
    background-color: #fff;
    background-image: none;
    border-radius: 4px;
    border: 1px solid #dcdfe6;
    box-sizing: border-box;
    color: #606266;
    display: inline-block;
    font-size: inherit;
    height: 30px;
    line-height: 30px;
    outline: none;
    padding: 0 15px;
    transition: border-color .2s cubic-bezier(.645, .045, .355, 1);
    width: 100%;
}
 
.zd-input--suffix .zd-input__inner {
    padding-right: 30px;
}
 
.zd-input__suffix {
    position: absolute;
    height: 100%;
    right: 5px;
    top: 0;
    text-align: center;
    color: #c0c4cc;
    transition: all .3s;
    pointer-events: none;
}
 
.zd-input__suffix-inner {
    pointer-events: all;
 
}
 
.zd-cascader-wrap .zd-input__inner {
    text-overflow: ellipsis;
}
 
.zd-input__icon {
    height: 100%;
    text-align: center;
    width: 25px;
    font-style: normal;
    font-weight: 400;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    vertical-align: baseline;
    display: inline-block;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
 
.zd-input__icon.zd-icon-arrow-down {
    transition: transform .3s;
    font-size: 13px;
}
 
.zd-input__icon.zd-icon-arrow-right {
    transition: transform .3s;
    font-size: 13px;
    transform: rotate(270deg);
}
 
.zd-cascader-wrap {
    width: 200px;
    height: 30px;
    line-height: 30px;
    position: relative;
    display: inline-block;
    font-size: 13px;
}
 
.zd-cascader__dropdown {
    position: absolute;
    top: 30px;
    left: 0;
    z-index: 2009;
    margin: 5px 0;
    margin-bottom: 12px;
    font-size: 13px;
    background: #fff;
    border: 1px solid #e4e7ed;
    border-radius: 4px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
    display: none;
}
 
.zd-cascader-panel {
    display: flex;
    border-radius: 4px;
    font-size: 13px;
}
 
.zd-scrollbar {
    overflow: hidden;
    position: relative;
}
 
.zd-scrollbar__wrap {
    overflow: scroll;
    height: 100%;
 
}
 
.zd-cascader-menu {
    min-width: 160px;
    box-sizing: border-box;
    color: #606266;
    border-right: 1px solid #e4e7ed;
}
 
.zd-cascader-menu:last-child {
 
    border-right: none;
 
}
 
.zd-cascader-menu__wrap {
    margin-bottom: -17px;
    margin-right: -17px;
    height: 204px;
 
}
 
.zd-cascader-menu__list {
    position: relative;
    min-height: 100%;
    margin: 0;
    padding: 6px 0;
    list-style: none;
    box-sizing: border-box;
}
 
.zd-cascader-node {
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 30px 0 20px;
    height: 34px;
    line-height: 34px;
    outline: none;
}
 
.zd-cascader-node:not(.is-disabled) {
    cursor: pointer;
}
 
.zd-cascader-node__label {
    flex: 1;
    padding: 0 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
 
.zd-cascader-node__postfix {
    position: absolute;
    right: 10px;
}
 
.zd-cascader-node:not(.is-disabled):focus,
.zd-cascader-node:not(.is-disabled):hover,
.zd-cascader-node:not(.is-disabled).is-prepare {
    background: #f5f7fa;
}
 
.zd-cascader-node.in-active-path,
.zd-cascader-node.is-active,
.zd-cascader-node.is-selectable.in-checked-path {
    color: #409eff;
    font-weight: 700;
}
 
.zd-cascader-node.in-active-path .zd-input__icon path,
.zd-cascader-node.is-active .zd-input__icon path,
.zd-cascader-node.is-selectable.in-checked-path .zd-input__icon path {
    fill: #409eff;
}
 
.zd-cascader-wrap:not(.is-disabled):hover .zd-input__inner {
    cursor: pointer;
    border-color: #c0c4cc;
}
 
.zd-cascader-wrap.is-focus .zd-input .zd-input__inner {
    border-color: #409eff;
}
 
.zd-cascader-wrap.is-focus .zd-input .zd-input__icon {
    transform: rotate(180deg);
}
 
.zd-cascader-wrap.is-focus .zd-cascader__dropdown {
    display: inline-block;
}
 
.zd-cascader-wrap:focus-within .zd-input__inner {
    border-color: #409eff;
}
 
.is-selected-icon {
    position: absolute;
    left: 10px;
    font-size: 13px;
}

[原地址](https://www.cnblogs.com/stupid-dong/p/13826540.html)
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