HTML结构

<div class="wrap">
    <div class="add-nav"><span class="btn">+添加分类</span></div>
    <div class="clearfix nav-caption">
        <div class="fl nav-name">分类名称</div>
        <div class="fl nav-sort">排序</div>
        <div class="fl nav-del">操作</div>
    </div>
    <!--分类导航-->
    <div class="main">
        <div class="nav-box">
            <div class="nav-top clearfix">
                <div class="fl nav-name"><input class="input" value="一级导航 - 第一个" type="text" />
                    <span class="text-btn"><i class="add-btn">添加子分类</i></span>
                    <span class="text-btn"><i class="set-btn">设为导航</i></span>
                </div>
                <div class="fl nav-sort">
                    <span class="up-btn"></span><span class="down-btn"></span>
                </div>
                <div class="fl nav-del"><span class="del-list-btn">删除</span></div>
            </div>
            <div class="nav-list clearfix">
                <div class="fl nav-name"><input class="input" value="二级导航 - 第一个" type="text" /></div>
                <div class="fl nav-sort">
                    <span class="up-btn"></span><span class="down-btn"></span>
                </div>
                <div class="fl nav-del"><span class="del-btn">删除</span></div>
            </div>
            <div class="nav-list clearfix">
                <div class="fl nav-name"><input class="input" value="二级导航 - 第二个" type="text" /></div>
                <div class="fl nav-sort">
                    <span class="up-btn"></span><span class="down-btn"></span>
                </div>
                <div class="fl nav-del"><span class="del-btn">删除</span></div>
            </div>
        </div>
    </div>
    <div class="save text-center">
        <span class="btn">保存</span>
    </div>
</div>

<!--保存成功提示-->
<div class="save-success">
    <i class="icon"></i>保存成功
</div>

CSS代码

.wrap{
    width: 1200px;
    min-height: 800px;
    background-color: #fff;
    padding: 24px 15px;
    margin: 50px auto;
}
/*添加导航分类*/
.add-nav .btn{
    width: 155px;
    line-height: 40px;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
    margin-bottom: 25px;
}
/*导航列表*/
.nav-caption > div{
    line-height: 47px;
    background-color: #fafafa;
    border-bottom: 1px solid #e8e8e8;
}
.nav-name{
    width: 70%;
    padding-left: 21px;
}
.nav-sort{
    width: 20%;
    text-align: center;
}
.nav-del{
    width: 10%;
    text-align: center;
}
.nav-top > div{
    height: 47px;
    background-color: #e6f7ff;
    border-bottom: 1px solid #e8e8e8;
}
.nav-name .input{
    width: 190px;
    height: 34px;
    border: 1px solid #d9d9d9;
    background-color: #fff;
    margin-top: 6px;
    padding: 0 10px;
}
.nav-name .text-btn{
    color: #108ee9;
    width: 33.33%;
    text-align: center;
}
.nav-del{
    line-height: 47px;
}
.nav-list > div{
    height: 47px;
    border-bottom: 1px solid #e8e8e8;
}
.nav-list .nav-name{
    padding-left: 44px;
}
.nav-list .del-btn,
.nav-top .del-list-btn{
    color: #108ee9;
    cursor: pointer;
}
/*利用伪类实现上下按钮图标*/
/*默认样式*/
.nav-sort .up-btn,
.nav-sort .down-btn{
    position: relative;
    margin-right: 13px;
    margin-left: 5px;
    cursor: pointer;
}
.nav-sort .up-btn:after,
.nav-sort .up-btn:before,
.nav-sort .down-btn:after,
.nav-sort .down-btn:before{
    position: absolute;
    content: '';
}
.nav-sort .up-btn:after,
.nav-sort .down-btn:after{
    width: 6px;
    height: 10px;
    background-color: #d9d9d9;
}
.nav-sort .up-btn:after{
    top: 9px;
}
.nav-sort .down-btn:before,
.nav-sort .up-btn:before{
    left: -3px;
    border: 6px solid transparent;
    border-top-width: 10px;
    border-bottom-width: 10px;
}
.nav-sort .up-btn:before{
    border-bottom-color: #d9d9d9;
}
.nav-sort .down-btn:before{
    border-top-color: #d9d9d9;
}
.nav-sort .down-btn:before{
    top: 10px;
}
.nav-sort .up-btn:before{
    top: -11px;
}
/*一级导航 可点击样式*/
.nav-top .down-btn.active:after,
.nav-top .up-btn.active:after{
    background-color: #1296db;
}
.nav-top .down-btn.active:before{
    border-top-color: #1296db;
}
.nav-top .up-btn.active:before{
    border-bottom-color: #1296db;
}
/*二级导航 可点击样式*/
.nav-list .down-btn.active:after,
.nav-list .up-btn.active:after {
    background-color: #1afa29;
}
.nav-list .up-btn.active:before{
    border-bottom-color: #1afa29;
}
.nav-list .down-btn.active:before{
    border-top-color: #1afa29;
}
/*图标 结束*/
/*保存*/
.save .btn{
    line-height: 32px;
    padding: 0 35px;
    margin-top: 23px;
}
.save-success{
    display: none;
    position: fixed;
    top: 55%;
    left: 50%;
    border: 1px solid #d9d9d9;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    box-shadow: 0 5px 5px rgba(0,0,0,.2);
    background-color: #fff;
    line-height: 22px;
    padding: 7px 18px;
    margin-left: -62px;
}
.save-success .icon{
    float: left;
    width: 22px;
    height: 22px;
    background: url(../images/shop-sprite.png) no-repeat -232px -138px;
    margin-right: 9px;
}

JS代码

$(function () {

    // 添加分类
    $(document).on("click", ".add-nav .btn", function () {
        var _html = '<div class="nav-box"><div class="nav-top clearfix"><div class="fl nav-name"><input class="input" type="text" /><span class="text-btn"><i class="add-btn">添加子分类</i></span><span class="text-btn"><i class="set-btn">设为导航</i></span></div><div class="fl nav-sort"><span class="up-btn"></span><span class="down-btn"></span></div><div class="fl nav-del"><span class="del-list-btn">删除</span></div></div></div>';
        $(".main").append(_html);
        firstLevelFunc();
    });

    // 添加子分类
    $(document).on("click", ".add-btn", function () {
        var _html = '<div class="nav-list clearfix"><div class="fl nav-name"><input class="input" type="text" /></div><div class="fl nav-sort"><span class="up-btn"></span><span class="down-btn"></span></div><div class="fl nav-del"><span class="del-btn">删除</span></div></div>';
        $(this).parents(".nav-top").parent().append(_html);
        secondLevelFunc();
    });

    // 页面初始化
    // 一级分类导航
    function firstLevelFunc() {
        var firstLevel = $(".nav-box");
        firstLevel.each(function () {
            if($(this).index() !== 0){
                $(this).find(".up-btn").eq(0).addClass("active parent_btn");
            }
            if($(this).index() !== firstLevel.length - 1){
                $(this).find(".down-btn").eq(0).addClass("active parent_btn");
            }
        });
    }
    // 二级分类导航
    function secondLevelFunc() {
        var secondLevel = $(".nav-list"); //二级分类导航
        secondLevel.each(function () {
            var len = $(this).parents(".nav-box").find(".nav-list").length;
            if($(this).index() !== 0 && $(this).index() !== 1){
                $(this).find(".up-btn").eq(0).addClass("active child_btn");
            }
            if($(this).index() !== len){
                $(this).find(".down-btn").eq(0).addClass("active child_btn");
            }
        });
    }
    secondLevelFunc();
    firstLevelFunc();

    // 点击排序按钮之后重新遍历
    // 一级导航
    function firstLevFunc() {
        var firstLev = $(".nav-box");
        firstLev.each(function () {
            if($(this).index() === 0){
                $(this).find(".up-btn").eq(0).removeClass("active parent_btn");
            }
            if($(this).index() === firstLev.length - 1){
                $(this).find(".down-btn").eq(0).removeClass("active parent_btn");
            }
        });
    }
    // 二级导航
    function secondLevFunc(_this) {
        var secondLev = _this.find(".nav-list");
        secondLev.each(function () {
            if($(this).index() === 1){
                $(this).find(".up-btn").eq(0).removeClass("active child_btn");
            }
            if($(this).index() === secondLev.length){
                $(this).find(".down-btn").eq(0).removeClass("active child_btn");
            }
        });
    }

    // 上移
    $(document).on("click", ".up-btn.parent_btn", function () {
        var _this = $(this),
            $this = _this.parent().parent().parent(".nav-box"),
            $thisNext = _this.parent().parent().parent().prev(".nav-box");
        $this.after($thisNext);
        firstLevelFunc();
        firstLevFunc();
    });
    $(document).on("click", ".up-btn.child_btn", function () {
        var _this = $(this),
            _parents = _this.parents(".nav-box"),
            $this = _this.parent().parent(".nav-list"),
            $thisNext = _this.parent().parent().prev(".nav-list");
        $this.after($thisNext);
        secondLevelFunc();
        secondLevFunc(_parents);
    });

    // 下移
    $(document).on("click", ".down-btn.parent_btn", function () {
        var _this = $(this),
            $this = _this.parent().parent().parent(".nav-box"),
            $thisNext = _this.parent().parent().parent().next(".nav-box");
        $this.before($thisNext);
        firstLevelFunc();
        firstLevFunc();
    });
    $(document).on("click", ".down-btn.child_btn", function () {
        var _this = $(this),
            _parents = _this.parents(".nav-box"),
            $this = _this.parent().parent(".nav-list"),
            $thisNext = _this.parent().parent().next(".nav-list");
        $this.before($thisNext);
        secondLevelFunc();
        secondLevFunc(_parents);
    });

    // 商品分类导航 删除一组列表
    $(document).on("click", ".del-list-btn", function () {
        $(this).parents(".nav-box").remove();
        firstLevelFunc();
        firstLevFunc();
    });

    //删除单个列表
    $(document).on("click", ".del-btn", function () {
        var _parents = $(this).parents(".nav-box");
        $(this).parents(".nav-list").remove();
        secondLevelFunc();
        secondLevFunc(_parents);
    });

    // 保存成功提示
    $(".save .btn").on("click", function () {
        $(".save-success").show();
        setTimeout(function () {
            $(".save-success").hide();
        }, 2000);
    });
});