上效果
html源码
<!DOCTYPE html>
<html lang="en">
<!--
* @Name: mallSalesReports.html
* @Description:
* @Author Lani
* @date 2024-02-28 18:32:36
-->
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>商品类别</title><script src="../js/vue3.3.8/vue.global.js"></script><script src="../js/elementPlus/index.full.js"></script><link rel="stylesheet" href="../js/elementPlus/index.css"><style>.el-header {height: 88px;background-color: #fff;z-index: 2;}#main-body .el-main {padding: 0;z-index: 1;}.el-aside {display: flex;justify-content: center;align-items: center;}.el-tree .el-tree-node__content {height: 50px !important;border-top: 1px solid #aaa;}.tree {border-bottom: 1px solid #aaa;border-left: 1px solid #aaa;border-right: 1px solid #aaa;/*width: 600px;*/}.custom-tree-node1 {display: flex;flex: 1;align-items: center;justify-content: space-between;font-size: 14px;padding: 8px;height: 50px;}</style>
</head>
<body>
<div id="app" class="common-layout" v-cloak><el-affix :offset="0"><el-row :gutter="0" style="border-bottom: 0px solid #d0d0d0;margin:0 20px;padding: 15px 0;background-color: #fff;"><el-col :span="22"><div class="flex-r"><h4 class="menu-title-color fw7 fz22">商品销售报表</h4></div></el-col><el-col :span="2" style="text-align: end"><el-button type="primary" size="large" @click="handleAddTopLevelNode">新增一级目录</el-button></el-col></el-row></el-affix><el-container><el-main id="main-body"><el-treeref="menutree":allow-drop="allowDrop" :allow-drag="allowDrag":data="treeData" draggable:expand-on-click-node="false"default-expand-all node-key="id"class="tree"><template #default="{ node, data }"><div class="custom-tree-node1"><div><el-input v-if="data.isEdit" v-model="data.DICT_VALUE" maxlength="12" show-word-limit></el-input><el-text v-else="!node.isEdit">{{ data.DICT_VALUE }}</el-text></div><div style="margin-left: 40px;"><el-button type="text" size="small" v-if="data.up"@click="handleMoveUp(node, data, 'up')">上移<i class="el-icon-top"></i></el-button><el-buttontype="text" size="small" v-if="data.down"@click="handleMoveDown(node, data, 'down')">下移<i class="el-icon-bottom"></i></el-button><el-button @click="append(node,data)" type="primary" v-if="data.subNode"> 添加子级</el-button><el-button style="margin-left: 18px" @click="edit(node, data)">{{ data.operateBtnText }}</el-button><el-button style="margin-left: 18px" @click="remove(node, data)" v-if="data.delete"> 删除</el-button></div></div></template></el-tree></el-main></el-container>
</div>
</body>
<script type="module">import zhCn from "../js/elementPlus/locale/zh-cn.mjs";const {createApp, ref, reactive, watch, toRaw, toRefs, shallowRef} = Vueconst _app = createApp({setup() {const categoryInfo = reactive({maxLevel: 2,//类别层级最大2treeData: [{ //默认保留第一个节点数不能为空label: '全部商品',DICT_VALUE: '全部商品',up: false, down: true, subNode: true, delete: false, operateBtnText: '修改',id: 1,children: [{label: 'Level two 1-1',DICT_VALUE: 'Level two 1-1',id: 2,up: false, down: true, subNode: true, delete: true, operateBtnText: '修改',},],},{ //默认保留第一个节点数不能为空label: '花吃了那女孩',DICT_VALUE: '花吃了那女孩',up: false, down: true, subNode: true, delete: false, operateBtnText: '修改',id: 1,children: [{label: 'Level two 1-1',DICT_VALUE: 'Level two 1-1',id: 2,up: false, down: true, subNode: true, delete: true, operateBtnText: '修改',},],},],id: 1})const payStatus = ref('')const num = ref(20)const timer = ref(null);const clickCount = ref(0);const locale = ref('')const searchKeywords = ref('')/** 判断结点拖拽* */const allowDrop = (draggingNode, dropNode, type) => {// console.log('|--正在拖拽draggingNode,type', draggingNode, type)// console.log('|--dropNode', dropNode)if (type == 'inner') return false //只能同级拖拽if (draggingNode.level > categoryInfo.maxLevel) return falsereturn true//允许拖拽}const allowDrag = (draggingNode) => {return !draggingNode.data.label.includes('Level three 3-1-1')}const toast = (message, type = 'warning', fn = null) => {ElementPlus.ElMessage({message,type, fn})}/** 插入：$refs.menutree.insertBefore* 删除：$refs.menutree.remove* */const handleMoveUp = (node) => { // 上移的原理就是现在选中节点上方复制一个一模一样的节点，然后删掉原来那个const {$treeNodeId, ...newData} = node.dataconsole.log('|--选中结点', node.data, vm.$refs.menutree, $treeNodeId, newData, node.previousSibling.data.$treeNodeId)if (vm.$refs.menutree) vm.$refs.menutree.insertBefore(newData, node.previousSibling)// if (vm.$refs.menutree) vm.$refs.menutree.insertBefore(newData, node.previousSibling.data.$treeNodeId)if (vm.$refs.menutree) vm.$refs.menutree.remove(node)saveCategoryRequest()}const handleMoveDown = (node) => { // 下移的原理就是现在选中节点下方复制一个一模一样的节点，然后删掉原来那个const {$treeNodeId, ...newData} = node.dataif (vm.$refs.menutree) vm.$refs.menutree.insertAfter(newData, node.nextSibling)// if (vm.$refs.menutree) vm.$refs.menutree.insertAfter(newData, node.nextSibling.data.$treeNodeId)if (vm.$refs.menutree) vm.$refs.menutree.remove(node)saveCategoryRequest()}/** node: 当前节点，* data: 当前节点* */const append = (node, data) => {//给当前节点，添加一个子节点console.log('|--添加', node, data)if (node.level >= categoryInfo.maxLevel) {toast(`级别最大只能为${categoryInfo.maxLevel}`)return}categoryInfo.id = categoryInfo.id + 1const newChild = {label: '二级类别 ',id: categoryInfo.id,children: [],up: data.children.length > 0 ? true : false,down: false,subNode: false,delete: true,isEdit: true,operateBtnText: '保存',/*API字段*/"DICT_SEQ": 0,DICT_VALUE: '二级类别 ',}if (!data.children) {data.children = []}data.children.push(newChild)data.items = JSON.parse(JSON.stringify(data.children))if (data.children.length > 1) {data.children[data.children.length - 2].down = true}}const handleAddTopLevelNode = () => { //添加一级类别categoryInfo.id = categoryInfo.id + 1let newTopLevelNode = {id: categoryInfo.id,label: '一级类别 ',up: true, down: false, subNode: true, delete: true, isEdit: true, operateBtnText: '保存',children: [],items: [],"DICT_SEQ": 0,DICT_VALUE: '一级类别 ',}categoryInfo.treeData.push(newTopLevelNode)if (categoryInfo.treeData.length > 1) {categoryInfo.treeData[categoryInfo.treeData.length - 2].down = true}}/** isAPI: true:用于请求掊口，删除不用字段， false 用于ui渲染增加一些字段* */const refreshTree = (data, isAPI = false) => {for (let i = 0; i < data.length; i++) {// data[i].id = data[i].DICT_SEQif (isAPI && data[i]) { // 上传修改try {delete data[i].labeldelete data[i].updelete data[i].downdelete data[i].subNodedelete data[i].deletedelete data[i].isEditdelete data[i].operateBtnTextdata[i].items = JSON.parse(JSON.stringify(data[i].children)) //同步itemsif ((!data[i].children) || (data[i].children.length <= 0)) continuedata[i].items = refreshTree(data[i].items, isAPI)delete data[i].children} catch (e) {}continue}//渲染uidata[i].label = data[i].DICT_VALUEdata[i].up = (i != 0)data[i].down = (i != (data.length - 1))data[i].subNode = truedata[i].delete = truedata[i].isEdit = falsecategoryInfo.id = categoryInfo.id + 1data[i].id = categoryInfo.iddata[i].operateBtnText = '修改'data[i].children = []if ((!data[i].items) || (data[i].items.length <= 0)) continuedata[i].children = refreshTree(data[i].items, isAPI)// console.log(data[i].children)}return data}const saveCategoryRequest = async () => {console.log('|-http 请求-')toast('Http请求')}return {...toRefs(categoryInfo),num,locale, searchKeywords,clickCount, timer,headerCellStyle: {borderTop: '2px solid #d0d0d0', background: '#f5f5f5', color: '#333', fontWeight: 500},// 方法allowDrag, allowDrop,toast, append, handleMoveDown, handleMoveUp,//移除节点remove: (node, data) => {console.log("|--del", node, data, node.data.$treeNodeId)const {$treeNodeId} = node.dataconsole.log('|--', $treeNodeId, vm.$refs.menutree)// returnif (categoryInfo.treeData.length <= 1) {toast('至少保留一个结点')return;}if (!vm.$refs.menutree) returnconsole.log('|--remove')// vm.$refs.menutree.remove($treeNodeId)vm.$refs.menutree.remove(node) //OK// vm.$refs.menutree.remove(data)saveCategoryRequest()/* const parent = node.parent;const children = parent.data.children || parent.data;const index = children.findIndex((d) => d.id === data.id);children.splice(index, 1);*/}, //移除节点edit: (node, data) => {let btnText = '保存'if (data.isEdit) {saveCategoryRequest()btnText = '修改'}data.isEdit = !data.isEditdata.operateBtnText = btnText},handleAddTopLevelNode,payStatusItemSelectedEvent: (item, index) => {payStatus.value = item.item},refreshTree, saveCategoryRequest,menuMoveF: (node, data, type) => { //上移，下移 结点，指针console.log('|--node', node)// 将变动之前的node备份let copyNode = {...node};console.log(copyNode)copyNode.previousSibling = {...node.previousSibling};copyNode.nextSibling = {...node.nextSibling};console.log('|--copyNode 复制节点--|', copyNode)let nodeData = {};if (node.previousSibling) { //上移vm.$refs.menutree.remove(node.data);// 删除原先的node// 拿到copy的node // nodeData = CircularJSON.parse(nodeData = copyNode// 复制该node到指定位置(参数：1. 要增加的节点的 data 2. 要增加的节点的后一个节点的 data、key 或者 node)/* vm.$refs.menutree.insertBefore(nodeData.data,nodeData.previousSibling.data); */vm.$refs.menutree.insertBefore(nodeData.data,nodeData.previousSibling.data);window.sessionStorage.removeItem("menuNode");} else {toast("该菜单已经是当前层最上级");}returnif (type === "up") { // 上移if (node.previousSibling) {vm.$refs.menutree.remove(node.data);// 删除原先的node// 拿到copy的node // nodeData = CircularJSON.parse(nodeData = copyNode// 复制该node到指定位置(参数：1. 要增加的节点的 data 2. 要增加的节点的后一个节点的 data、key 或者 node)vm.$refs.menutree.insertBefore(nodeData.data,nodeData.previousSibling.data);window.sessionStorage.removeItem("menuNode");} else {toast("该菜单已经是当前层最上级");}} else { // 下移if (node.nextSibling) {vm.$refs.menutree.remove(node.data);nodeData = CircularJSON.parse(window.sessionStorage.getItem("menuNode"));// 参数：1. 要增加的节点的 data 2. 要增加的节点的前一个节点的 data、key 或者 nodevm.$refs.menutree.insertAfter(nodeData.data,nodeData.nextSibling.data);window.sessionStorage.removeItem("menuNode");} else {toast("该菜单已经是当前层最下级");}}}}},async mounted() {},})_app.use(ElementPlus, {locale: zhCn})const vm = _app.mount('#app')
</script></html>
）)
