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| <template>
| <el-tree
| class="el-tree"
| v-loading="isLoading"
| :data="dataList"
| :props="defaultProps"
| @node-click="handleNodeClick"
| default-expand-all
| highlight-current
| check-on-click-node
| empty-text="暂无记录"
| >
| <template #default="{ node, data }">
| <div
| :class="
| data.selected
| ? 'selected-tree-node custom-tree-node'
| : 'custom-tree-node'
| "
| >
| <el-icon v-if="data.type == 2" color="var(--el-color-success)"
| ><SuccessFilled
| /></el-icon>
| <el-icon v-else-if="data.type == 1" color="var(--el-color-warning)"
| ><WarningFilled
| /></el-icon>
| <el-icon v-else-if="data.type == 0" color="var(--el-color-danger)"
| ><WarningFilled
| /></el-icon>
| <div>{{ node.label }}</div>
| </div>
| </template>
| </el-tree>
| </template>
|
| <script>
| export default {
| props: {
| items: {
| type: Array,
| default: () => [
| {
| type: 0,
| title: 'title',
| categoly: '2022-10-10',
| data: {},
| },
| ],
| },
| loading: Boolean,
| },
| emits: ['itemClick'],
| data() {
| return {
| defaultProps: {
| children: 'children',
| label: 'title',
| },
| isLoading: this.loading,
| };
| },
| computed: {
| dataList() {
| const _items = this.$props.items;
| _items.sort(function (a, b) {
| return b.type - a.type;
| });
| const itemMap = new Map();
| _items.forEach((t) => {
| itemMap.has(t.categoly)
| ? itemMap.get(t.categoly).push(t)
| : itemMap.set(t.categoly, [t]);
| });
| const list = [];
| for (const [key, value] of itemMap) {
| const i = {
| title: key,
| children: [],
| };
| value.forEach((v) => {
| i.children.push(v);
| });
| list.push(i);
| }
| list.sort(function (a, b) {
| if (b.title > a.title) {
| return 1;
| } else if (b.title < a.title) {
| return -1;
| } else {
| return 0;
| }
| });
| return list;
| },
| },
| watch: {
| loading(nValue) {
| this.isLoading = nValue
| },
| //当数据第一次更新时
| dataList(nValue) {
| if (this.isLoading) {
| if (nValue.length > 0) {
| this.dataList.forEach((d) => {
| d.children.forEach((c) => {
| c.selected = false;
| });
| });
| if (nValue[0].children.length > 0) {
| const c = nValue[0].children[0];
| c.selected = true;
| this.$emit('itemClick', c);
| } else {
| nValue[0].selected = true;
| }
| }
| this.isLoading = false;
| }
| },
| },
| methods: {
| handleNodeClick(data) {
| this.dataList.forEach((d) => {
| d.children.forEach((c) => {
| c.selected = false;
| });
| });
| data.selected = true;
| //父节点的点击事件不做传递
| if (data.children == undefined) {
| this.$emit('itemClick', data);
| }
| },
| },
| };
| </script>
|
| <style lang="scss" scoped>
| .custom-tree-node {
| display: flex;
| align-items: center;
| }
| .selected-tree-node {
| color: var(--el-color-primary);
| }
| </style>
|
|
