html 原生js手写树仿照antd 样式

news2024/11/23 15:24:09

效果如图

在这里插入图片描述

<!doctype html>
<html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>

<body style="height:100%;width:100%;">
    <ul id="tree" class="tree"></ul>

    <script>
        var opensvg = '<span class="svg"><svg viewBox="64 64 896 896" data-icon="plus-square" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class=""><path d="M328 544h152v152c0 4.4 3.6 8 8 8h48c4.4 0 8-3.6 8-8V544h152c4.4 0 8-3.6 8-8v-48c0-4.4-3.6-8-8-8H544V328c0-4.4-3.6-8-8-8h-48c-4.4 0-8 3.6-8 8v152H328c-4.4 0-8 3.6-8 8v48c0 4.4 3.6 8 8 8z"></path><path d="M880 112H144c-17.7 0-32 14.3-32 32v736c0 17.7 14.3 32 32 32h736c17.7 0 32-14.3 32-32V144c0-17.7-14.3-32-32-32zm-40 728H184V184h656v656z"></path></svg></span>'
        var closesvg = '<span class="svg"><svg viewBox="64 64 896 896" data-icon="minus-square" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class=""><path d="M328 544h368c4.4 0 8-3.6 8-8v-48c0-4.4-3.6-8-8-8H328c-4.4 0-8 3.6-8 8v48c0 4.4 3.6 8 8 8z"></path><path d="M880 112H144c-17.7 0-32 14.3-32 32v736c0 17.7 14.3 32 32 32h736c17.7 0 32-14.3 32-32V144c0-17.7-14.3-32-32-32zm-40 728H184V184h656v656z"></path></svg></span>'
        var filesvg = '<svg viewBox="64 64 896 896" data-icon="file" width="1em" height="1em" fill="currentColor" aria-hidden="true" focusable="false" class=""><path d="M854.6 288.6L639.4 73.4c-6-6-14.1-9.4-22.6-9.4H192c-17.7 0-32 14.3-32 32v832c0 17.7 14.3 32 32 32h640c17.7 0 32-14.3 32-32V311.3c0-8.5-3.4-16.7-9.4-22.7zM790.2 326H602V137.8L790.2 326zm1.8 562H232V136h302v216a42 42 0 0 0 42 42h216v494z"></path></svg>'
        // 递归函数生成树的节点
        function createNode(data) {
            var li = document.createElement("li");
            var div = document.createElement("div");
            div.classList.add("nodetree");
            if (data.children) {
                div.innerHTML = opensvg + '<span>' + data.name + '</span>';
            } else {
                div.innerHTML = filesvg + '<span>' + data.name + '</span>';
            }

            li.appendChild(div);
            if (data.children) {
                var ul = document.createElement("ul");
                for (var i = 0; i < data.children.length; i++) {
                    ul.appendChild(createNode(data.children[i]));
                }
                li.appendChild(ul);
            }
            return li;
        }

        // 生成树的节点并添加到树的容器中
        var treeData = [
            {
                name:'测试1',
                children:[
                    {
                        name:'测试1-1'
                    }
                ]
            },
            {
                name:'测试2',
                children:[
                    {
                        name:'测试2-1'
                    }
                ]
            }
        ]
        var tree = document.getElementById("tree");
        for (var i = 0; i < treeData.length; i++) {
            tree.appendChild(createNode(treeData[i]));
        }
        // 定义节点的样式和事件
        var nodes = document.querySelectorAll("#tree li");
        for (var i = 0; i < nodes.length; i++) {
            nodes[i].classList.add("node");
            nodes[i].addEventListener("click", function (e) {
                if (this.getAttribute('class').indexOf('open') > -1) {
                    this.querySelector(".nodetree .svg").innerHTML = opensvg;
                } else {
                    this.querySelector(".nodetree .svg").innerHTML = closesvg;
                }
                e.stopPropagation();
                this.classList.toggle("open");
            });
        }
    </script>
</body>
<style>
    .tree {
        display: inline-block;
        height: 24px;
        margin: 0;
        padding: 0 5px;
        color: rgba(0, 0, 0, .65);
        line-height: 24px;
        text-decoration: none;
        vertical-align: top;
        border-radius: 2px;
        cursor: pointer;
        transition: all .3s;
        font-size: 14px;
        font-variant: tabular-nums;
        font-feature-settings: "tnum";
    }

    .node {
        cursor: pointer;
    }

    .nodetree {
        display: flex;
        align-items: center;
    }

    .nodetree svg {
        margin-right: 5px;
        vertical-align: middle;
    }

    .node>ul {
        display: none;
    }

    .node.open>ul {
        display: block;
        margin: 0;
        padding: 0 0 0 18px;
    }

    ul>li {
        position: relative;
        margin: 0;
        padding: 4px 0;
        white-space: nowrap;
        list-style: none;
        outline: 0;
    }

    ul li:not(:last-child):before {
        position: absolute;
        left: 7px;
        width: 1px;
        height: 100%;
        height: calc(100% - 22px);
        margin: 22px 0 0;
        border-left: 1px solid #d9d9d9;
        content: " ";
    }
</style>

</html>