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| <template>
| <content-box title="站点列表"
| toggle
| @toggleChange="toggleChange"
| style="width:320px">
| <my-el-tree
| :data="data"
| :default-expanded-keys="expandedKeys"
| :current-node-key="getCurrentKey"
| @node-click="nodeClick"
| @leaf-click="leafClick"></my-el-tree>
| </content-box>
| </template>
|
| <script>
| import ContentBox from '../../components/ContentBox'
| import MyElTree from '../../components/MyElTree'
|
| import {
| searchStation,
| searchBattInfo,
| } from '../../assets/js/api'
|
| import {
| getTreeDataByKey,
| } from '../../assets/js/tools'
|
| export default {
| components: {
| ContentBox,
| MyElTree,
| },
| props: {
| defaultExpandedKeys: {
| type: Array,
| default() {
| return []
| },
| },
| currentNodeKey: {
| type: [String, Number],
| default: ""
| }
| },
| data() {
| return {
| data: [],
| expanded: [],
| currentKey: '',
| }
| },
| methods: {
| toggleChange() {
| this.$emit('toggleChange');
| },
| // 查询机房的信息
| searchStation() {
| searchStation({
| StationName1:"",
| StationName2:"",
| StationName5:"",
| }).then((res)=>{
| let rs = JSON.parse(res.data.result);
| let data = [];
| if(rs.code == 1) {
| data = rs.data;
| }
| // 格式化数据
| this.formatData(data);
| });
| },
| formatData(data) {
| let result = [];
| // 遍历数据构造树状
| data.forEach(item=>{
| // 省
| let provice = this.addData(result, item.StationName1);
| // 市
| let city = this.addData(provice.children, item.StationName2, provice);
| // 区县
| let county = this.addData(city.children, item.StationName5, city);
| // 机房
| let home = this.addData(county.children, item.StationName3, county, item);
| // 添加空白位置占位
| home.children.push({
| id: home.id+'temp',
| label: '数据加载中...'
| });
| });
| // 设置树状列表
| this.data = result;
| // 设置默认展开的节点
| if(data.length>0) {
| let item = data[0];
| this.expanded = [
| item.StationName1,
| item.StationName2,
| item.StationName5,
| item.StationName3,
| ];
| }
| let expandedNode = getTreeDataByKey(this.expandedKeys[0], result);
| if(expandedNode != -1) {
| this.nodeClick(expandedNode);
| }
| },
| addData(list, val, parent, data) {
| let item;
| let index = this.checkValIsIn(val, list);
| let parentId = parent?parent.id+'-':"";
| if(index == -1) {
| item = {
| id: parentId+val,
| label: val,
| children: [],
| data: data,
| };
| list.push(item);
| }else {
| item = list[index];
| }
| return item;
| },
| checkValIsIn(val, arr) {
| for(let i=0; i<arr.length; i++) {
| if(arr[i].label == val) {
| return i;
| }
| }
| return -1;
| },
| nodeClick(data, node) {
| if(data.children && data.children[0] && data.children[0].label == "数据加载中...") {
| this.searchBattInfo(data, node)
| }
| },
| searchBattInfo(data, node) {
| // 加载等待
| if(node) {
| node.loading=true;
| }
|
| searchBattInfo(data.data).then((res)=>{
| // 关闭等待
| if(node) {
| node.loading=false;
| }
|
| let rs = JSON.parse(res.data.result);
| let result=[{
| id: Math.random(),
| label: '暂无电池组',
| }];
| // 查询到结果
| if(rs.code == 1) {
| result = rs.data.map(item=>{
| item.id = item.BattGroupId;
| item.label = item.BattGroupName;
| item.leaf = true;
| return item;
| });
| }
| data.children = result;
| // 根据node的值判断不是通过点击触发的
| if(!node) {
| let acIndex = 0;
| for(let i=1; i<result.length; i++) {
| if(result[i].BattGroupId == this.currentNodeKey) {
| acIndex = i;
| break;
| }
| }
| this.currentKey = result[acIndex].id;
| this.$emit('leaf-click', result[acIndex]);
| }
| });
| },
| leafClick(data) {
| if(data.leaf) {
| this.$emit('leaf-click', data);
| }
|
| },
| },
| computed: {
| expandedKeys() {
| console.log(this.defaultExpandedKeys);
| let parentKey = this.defaultExpandedKeys.join("-");
| console.log(parentKey);
| if(parentKey.length>0 && parentKey != '---') {
| return [parentKey];
| }else {
| let expanded = this.expanded.join("-");
| return [expanded];
| }
| },
| getCurrentKey() {
| return this.currentNodeKey?this.currentNodeKey:this.currentKey;
| }
| },
| mounted() {
| // 查询电池组
| this.searchStation();
| }
| }
| </script>
|
| <style scoped>
|
| </style>
|
|
