<template>
  <div class="app-container">
    <el-row :gutter="28">
      <el-col :span="4.3" :xs="24">
        <div class="head-container">
          <el-input
            v-model="workUnitName"
            placeholder="请输入计量设备名称"
            clearable
            size="small"
            prefix-icon="el-icon-search"
            style="margin-bottom: 20px"
          />
        </div>
        <div class="head-container">
          <el-tree
            :data="monitorInfoOptions"
            :props="monitorProps"
            :expand-on-click-node="false"
            :filter-node-method="filterNode"
            ref="tree"
            node-key="id"
            default-expand-all
            highlight-current
            @node-click="handleNodeClick"
          />
        </div>
      </el-col>

      <el-col :span="19" :xs="24">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch"
                 label-width="100px"
        >
          <el-form-item label="记录时间">
            <date-picker
              v-model="daterangeRecordTime"
              range
              type="datetime"
              format="YYYY-MM-DD HH:mm:ss"
              value-type="YYYY-MM-DD HH:mm:ss"
              :placeholder="['开始时间', '结束时间']"
              :lang="lang"
              style="width: 340px"
            ></date-picker>
          </el-form-item>

          <el-form-item>
            <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-form>

        <!-- 图表联动提示 -->
        <el-alert
          v-if="powerOutageSummary.count > 0"
          title="图表已联动，缩放任一图表将同步其它图表"
          type="info"
          :closable="false"
          show-icon
          style="margin-bottom: 10px"
        />

        <!-- 停电统计信息 -->
        <el-card v-if="powerOutageSummary.count > 0" class="power-outage-summary" shadow="hover">
          <div slot="header">
            <span><i class="el-icon-lightning" style="color: red;"></i> 停电统计</span>
            <el-button style="float: right; padding: 3px 0" type="text" @click="exportPowerOutageData">
              导出停电记录
            </el-button>
          </div>
          <div class="power-outage-info">
            <p><strong>停电次数:</strong> {{ powerOutageSummary.count }} 次</p>
            <p><strong>最长停电:</strong> {{ powerOutageSummary.longestDuration }} 小时</p>
            <p><strong>总停电时长:</strong> {{ powerOutageSummary.totalDuration }} 小时</p>
          </div>
        </el-card>

        <!-- 图表区域 -->
        <div class="charts-container">
          <Chart ref="Chart1" class="chart1"/>
          <Chart ref="Chart2" class="chart2"/>
          <Chart ref="Chart3" class="chart3"/>
        </div>
      </el-col>
    </el-row>
  </div>
</template>

<script>

import { getMonitorInfoTree } from '@/api/ems/base/baseMonitorInfo'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import { parseTime } from '@/utils/ruoyi'
import Chart from '@/components/Charts/Chart'
import * as echarts from 'echarts'
import {pointSteamInstantList} from "@/api/ems/report/reportPointSteam";
import {listRecordSteamInstant, steamInstantAvg, steamInstantList} from "@/api/ems/record/recordSteamInstant";
import DatePicker from 'vue2-datepicker';
import 'vue2-datepicker/index.css';
import 'vue2-datepicker/locale/zh-cn';

export default {
  name: 'currentSteamCurve',
  dicts: ['collect_type'],
  components: {
    Chart,
    Treeselect,
    DatePicker
  },
  data() {
    return {
      //下拉树List
      baseMonitorInfoOptions: [],
      //左侧树结构List
      monitorInfoOptions: [],
      workUnitName: undefined,
      //左侧树结构 检索设备名称
      selectMonitorName: null,
      //计量设备信息
      baseMonitorInfoList: [],
      // 采集方式时间范围
      daterangeCollectTime: [],
      //记录时间范围
      daterangeRecordTime: [],
      //时间选择
      timerangeRecordTime:[],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 电实时数据表格数据
      dataList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        monitorCode: null,
        monitorName: null,
        collectTime: null,
        fluxFlow: null,
        steamFlow: null,
        heatInstantValue: null,
        heatTotalValue: null,
        temperature: null,
        press: null,
        density: null,
        differencePress: null,
        recordTime: null
      },
      // 表单参数
      form: {},
      monitorProps: {
        children: 'children',
        label: 'label'
      },
      // 表单校验
      rules: {
/*        objId: [
          { required: true, message: '编号不能为空', trigger: 'blur' }
        ]*/
      },
      columns: [
        { key: 0, label: `自增标识`, visible: false },
        { key: 1, label: `计量设备编号`, visible: true },
        { key: 2, label: `采集时间`, visible: false },
        { key: 3, label: `瞬时流量`, visible: true },
        { key: 4, label: `累计流量`, visible: true },
        { key: 5, label: `瞬时热量`, visible: true },
        { key: 6, label: `累计热量`, visible: true },
        { key: 7, label: `温度`, visible: false },
        { key: 8, label: `压力`, visible: false },
        { key: 9, label: `密度`, visible: false },
        { key: 10, label: `压力差值`, visible: false },
        { key: 11, label: `记录时间`, visible: true },
        { key: 12, label: `计量设备名称`, visible: true }
      ],
      lang: {
        formatLocale: {
          firstDayOfWeek: 1
        },
        monthBeforeYear: false
      },
      // 停电统计信息
      powerOutageSummary: {
        count: 0,
        totalDuration: 0,
        longestDuration: 0
      },
      // 停电详情列表
      powerOutageList: [],
      // 数据抽样阈值
      samplingThreshold: 1000,
      // 图表基础配置
      baseChartOptions: {}
    }
  },
  created() {
    const nowDate = new Date();
    const today = parseTime(new Date(), '{y}-{m}-{d}')
    const lastDate = new Date();
    lastDate.setDate(nowDate.getDate() - 1)
    const yesterday = parseTime(lastDate, '{y}-{m}-{d}')

    console.log(today,yesterday)
    this.daterangeRecordTime[0] =  yesterday+ ' 08:00:00'
    this.daterangeRecordTime[1] = today + ' 08:00:00'

    // 初始化图表基础配置
    this.initBaseChartOptions()
    this.getTreeselect()
    this.getTreeMonitorInfo()
    this.getList()
  },
  watch: {
    // 根据名称筛选计量设备树
    workUnitName(val) {
      this.$refs.tree.filter(val)
    }
  },
  methods: {
    /** 初始化图表基础配置 */
    initBaseChartOptions() {
      this.baseChartOptions = {
        grid: {
          top: '15%',
          bottom: '10%',
          left: '10%',
          right: '3%'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'shadow',
            label: {
              show: true
            }
          }
        },
        dataZoom: [{
          type: 'slider'
        }],
        legend: {
          right: 0,
          data: ['数据', '停电']
        },
        xAxis: {
          axisLine: {
            show: true,
            lineStyle: {
              color: '#000000'
            }
          },
          axisTick: {
            show: true
          },
          axisLabel: {
            show: true,
            textStyle: {
              color: '#000000'
            }
          }
        },
        yAxis: {
          type: 'value',
          splitLine: {
            show: false
          },
          axisTick: {
            show: true
          },
          axisLine: {
            show: true,
            lineStyle: {
              color: '#000000'
            }
          },
          axisLabel: {
            show: true,
            textStyle: {
              color: '#000000'
            }
          }
        }
      }
    },

    /** 转换计量设备信息数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.monitorCode,
        label: node.monitorName,
        children: node.children
      }
    },

    /** 查询电实时数据列表 */
    getList() {
      this.loading = true
      this.queryParams.params = {}
      if (null != this.daterangeRecordTime && '' != this.daterangeRecordTime) {
        this.queryParams.params['beginRecordTime'] = this.daterangeRecordTime[0];
        this.queryParams.params['endRecordTime'] = this.daterangeRecordTime[1];
      }
      this.getChart()
    },

    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },

    // 表单重置
    reset() {
      this.form = {
        objId: null,
        monitorCode: null,
        instrumentValue: null,
        expend: null,
        recordTime: null,
        beginTime: null,
        endTime: null,
        updateFlag: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null
      }
      this.resetForm('form')
    },

    /** 搜索按钮操作 */
    handleQuery() {
      this.getList()
    },

    /** 重置按钮操作 */
    resetQuery() {
      this.queryParams.monitorCode = null
      this.resetForm('queryForm')
      this.handleQuery()
    },

    /** 导出按钮操作 */
    handleExport() {
      this.download('ems/record/recordSteamInstant/export', {
        ...this.queryParams
      }, `recordSteamInstant_${new Date().getTime()}.xlsx`)
    },

    /** 导出停电数据 */
    exportPowerOutageData() {
      if (this.powerOutageList.length === 0) {
        this.$message.warning('没有停电数据可导出');
        return;
      }

      // 准备导出数据
      const columns = [
        {label: '序号', prop: 'index'},
        {label: '开始时间', prop: 'startTime'},
        {label: '结束时间', prop: 'endTime'},
        {label: '持续时间(小时)', prop: 'duration'}
      ];

      let table = '<table border="1" cellspacing="0" cellpadding="5">';
      // 添加表头
      table += '<tr>';
      columns.forEach(col => {
        table += `<th>${col.label}</th>`;
      });
      table += '</tr>';

      // 添加数据行
      this.powerOutageList.forEach(item => {
        table += '<tr>';
        columns.forEach(col => {
          table += `<td>${item[col.prop]}</td>`;
        });
        table += '</tr>';
      });
      table += '</table>';

      // 创建临时HTML文件下载
      const deviceName = this.selectMonitorName || '设备';
      const fileName = `${deviceName}停电记录_${new Date().getTime()}.xls`;
      const blob = new Blob([table], {type: 'application/vnd.ms-excel'});
      const link = document.createElement('a');
      link.href = URL.createObjectURL(blob);
      link.download = fileName;
      link.click();
      URL.revokeObjectURL(link.href);
    },

    /** 查询计量设备信息下拉树结构 */
    getTreeselect() {
      getMonitorInfoTree({ monitorType: 4 }).then(response => {
        this.monitorInfoOptions = response.data
      })
    },

    /** 筛选节点 */
    filterNode(value, data) {
      if (!value) return true
      return data.label.indexOf(value) !== -1
    },

    /** 节点单击事件 */
    handleNodeClick(data) {
      this.queryParams.monitorCode = data.code
      this.selectMonitorName = data.label
      this.handleQuery()
    },

    /**
     * 数据抽样处理，当数据量大时进行抽样
     * @param {Array} dataArray 原始数据数组
     * @returns {Array} 抽样后的数据
     */
    sampleData(dataArray) {
      if (!dataArray || dataArray.length <= this.samplingThreshold) {
        return dataArray;
      }

      // 计算抽样间隔
      const interval = Math.ceil(dataArray.length / this.samplingThreshold);
      const sampledData = [];

      // 抽样处理，保留首尾数据
      for (let i = 0; i < dataArray.length; i += interval) {
        sampledData.push(dataArray[i]);
      }

      // 确保最后一个数据点被包含
      if (sampledData[sampledData.length - 1] !== dataArray[dataArray.length - 1]) {
        sampledData.push(dataArray[dataArray.length - 1]);
      }

      return sampledData;
    },

    /**
     * 处理时间间隔大于1小时的数据，插入标红的0值点
     * @param {Array} originalData 原始数据数组
     * @param {string} valueField 数值字段名
     * @returns {Object} 处理后的数据和标记点
     */
    processDataBreaks(originalData, valueField) {
      // 先进行数据抽样处理
      const sampledData = this.sampleData(originalData);

      if (!sampledData || sampledData.length < 2) {
        return {
          processedData: sampledData || [],
          timeData: sampledData ? sampledData.map(e => e.recordTime) : [],
          valueData: sampledData ? sampledData.map(e => e[valueField]) : [],
          markPoints: [],
          markAreas: []
        }
      }

      // 按时间排序（确保数据按时间顺序）
      const sortedData = [...sampledData].sort((a, b) => {
        return new Date(a.recordTime) - new Date(b.recordTime)
      })

      const processedData = []
      const markPoints = []
      const markAreas = []
      const powerOutages = []
      const oneHourMs = 4 * 60 * 60 * 1000 // 4小时的毫秒数

      // 遍历并处理数据
      for (let i = 0; i < sortedData.length; i++) {
        // 添加当前数据点
        processedData.push(sortedData[i])

        // 检查是否有数据中断
        if (i < sortedData.length - 1) {
          const currentTime = new Date(sortedData[i].recordTime).getTime()
          const nextTime = new Date(sortedData[i + 1].recordTime).getTime()
          const timeDiff = nextTime - currentTime

          // 如果时间间隔大于2小时，插入断点
          if (timeDiff > oneHourMs) {
            // 创建断点 - 使用null值强制图表线断开
            // 当前点之后的断点
            const breakTime1 = new Date(currentTime + 60000)
            const breakTime1Str = parseTime(breakTime1, '{y}-{m}-{d} {h}:{i}:{s}')
            const nullPoint1 = {
              recordTime: breakTime1Str,
              [valueField]: null, // 使用null而不是0
              isBreakPoint: true
            }
            processedData.push(nullPoint1)

            // 下一个点之前的断点
            const breakTime2 = new Date(nextTime - 60000)
            const breakTime2Str = parseTime(breakTime2, '{y}-{m}-{d} {h}:{i}:{s}')
            const nullPoint2 = {
              recordTime: breakTime2Str,
              [valueField]: null, // 使用null而不是0
              isBreakPoint: true
            }
            processedData.push(nullPoint2)

            const endBreakTime = new Date(nextTime - 60000)
            const endBreakTimeStr = parseTime(endBreakTime, '{y}-{m}-{d} {h}:{i}:{s}')

            // 添加标记点信息
            markPoints.push({
              value: '停电',
              xAxis: breakTime1Str,
              yAxis: 0,
              symbol: 'path://M11.184 6.6C10.744 5.04 9.252 4 7.5 4s-3.244 1.04-3.684 2.6l-3.755 9.96A.5.5 0 0 0 .5 17h3.882a.5.5 0 0 0 .474-.65l-.333-1h6.954l-.333 1A.5.5 0 0 0 11.618 17H15.5a.5.5 0 0 0 .46-.69l-3.776-9.71zm1.372 8.15l-1.087-2.792A.5.5 0 0 0 11 11.5H4a.5.5 0 0 0-.47.342l-1.087 2.917h-1.3l3.446-9.13C5.819 4.673 6.64 4 7.5 4s1.68.673 1.908 1.63l3.446 9.13h-1.298z',
              symbolSize: 30,
              symbolOffset: [0, '-50%'],
              itemStyle: {
                color: 'red'
              }
            })

            // 标记区域
            markAreas.push([
              {
                xAxis: breakTime1Str,
                itemStyle: { color: 'rgba(255, 0, 0, 0.1)' }
              },
              {
                xAxis: endBreakTimeStr,
              }
            ])

            // 记录停电信息
            const durationHours = (timeDiff / (1000 * 60 * 60)).toFixed(2);
            powerOutages.push({
              startTime: parseTime(new Date(currentTime), '{y}-{m}-{d} {h}:{i}:{s}'),
              endTime: parseTime(new Date(nextTime), '{y}-{m}-{d} {h}:{i}:{s}'),
              duration: durationHours
            });
          }
        }
      }

      // 更新停电统计信息
      this.updatePowerOutageSummary(powerOutages);

      // 提取时间和数值数据
      const timeData = processedData.map(e => e.recordTime)
      const valueData = processedData.map(e => e[valueField])

      // 计算平均值时排除中断点和无效值
      const validData = processedData.filter(item => !item.isBreakPoint)
      let validValues = validData.map(e => parseFloat(e[valueField]))

      // 针对特定字段，如果业务上它们不应为负，则过滤掉负值 (在 NaN 过滤之前)
      if (valueField === 'fluxFlow' || valueField === 'press' || valueField === 'temperature') {
        validValues = validValues.filter(v => typeof v === 'number' && v >= 0);
      }

      // 进一步过滤掉 NaN 值
      const validNumericValues = validValues.filter(v => !isNaN(v));
      const average = validNumericValues.length > 0 ?
        (validNumericValues.reduce((a, b) => a + b, 0) / validNumericValues.length).toFixed(2) : 0

      return {
        processedData,
        timeData,
        valueData,
        markPoints,
        markAreas,
        average
      }
    },

    /**
     * 更新停电统计信息
     * @param {Array} powerOutages 停电记录数组
     */
    updatePowerOutageSummary(powerOutages) {
      if (!powerOutages || powerOutages.length === 0) {
        this.powerOutageSummary = {
          count: 0,
          totalDuration: 0,
          longestDuration: 0
        };
        this.powerOutageList = [];
        return;
      }

      // 计算总停电时长和最长停电时长
      let totalDuration = 0;
      let longestDuration = 0;

      powerOutages.forEach((outage, index) => {
        const duration = parseFloat(outage.duration);
        totalDuration += duration;
        longestDuration = Math.max(longestDuration, duration);
      });

      // 更新停电统计信息
      this.powerOutageSummary = {
        count: powerOutages.length,
        totalDuration: totalDuration.toFixed(2),
        longestDuration: longestDuration.toFixed(2)
      };

      // 更新停电详情列表
      this.powerOutageList = powerOutages.map((outage, index) => ({
        index: index + 1,
        startTime: outage.startTime,
        endTime: outage.endTime,
        duration: outage.duration
      }));
    },

    /**
     * 创建图表配置
     * @param {String} title 图表标题
     * @param {Object} dataResult 处理后的数据结果
     * @param {String} name 数据名称
     * @param {String} yAxisName Y轴名称
     * @param {String} color 图表颜色
     * @param {Function} tooltipFormatter 提示格式化函数
     * @returns {Object} 图表配置
     */
    createChartOption(title, dataResult, name, yAxisName, color, tooltipFormatter) {
      const option = JSON.parse(JSON.stringify(this.baseChartOptions));

      // 设置标题
      option.title = {
        text: this.selectMonitorName + ' ' + title + ' (平均值:' + dataResult.average + ")",
        x: 'center',
        textStyle: {
          fontSize: 15
        }
      };

      // 设置X轴数据
      option.xAxis.data = dataResult.timeData;

      // 设置Y轴名称
      option.yAxis.name = yAxisName;
      option.yAxis.nameTextStyle = {
        color: '#000000'
      };

      // 针对特定字段，如果业务上它们不应为负，则强制Y轴从0开始
      if (name === '瞬时流量' || name === '压力' || name === '温度') {
        option.yAxis.min = 0;
      } else {
        // 保留之前的逻辑或让Echarts自动计算 (如果其他图表需要不同处理)
        if (dataResult.processedData.some(item => item.isBreakPoint)) {
          option.yAxis.min = 0;
        }
        // 若希望Echarts自动计算其他图表的min，可以不设置，或显式提供回调
        // else {
        //   option.yAxis.min = function(value) { return value.min; };
        // }
      }

      // 设置提示格式化
      option.tooltip.formatter = tooltipFormatter || function(params) {
        const dataIndex = params[0].dataIndex;
        const isBreakPoint = dataResult.processedData[dataIndex] && dataResult.processedData[dataIndex].isBreakPoint;
        if (isBreakPoint) {
          return '停电<br/>时间: ' + params[0].axisValue;
        }
        return params[0].seriesName + ': ' + params[0].value + '<br/>时间: ' + params[0].axisValue;
      };

      // 设置数据系列
      option.series = [{
        name: name,
        type: 'line',
        smooth: false,
        showAllSymbol: true,
        symbol: 'circle',
        symbolSize: 4,
        step: 'end',
        connectNulls: false,
        itemStyle: {
          normal: {
            color: function(params) {
              return dataResult.processedData[params.dataIndex] && dataResult.processedData[params.dataIndex].isBreakPoint ? 'red' : color;
            }
          }
        },
        data: dataResult.valueData,
        markPoint: {
          data: dataResult.markPoints,
          symbolSize: 60,
          label: {
            color: '#000000',
            fontSize: 14,
            fontWeight: 'bold',
            backgroundColor: 'rgba(255, 255, 255, 0.8)',
            borderColor: '#ff0000',
            borderWidth: 1,
            borderRadius: 4,
            padding: [4, 8]
          }
        },
        markArea: {
          data: dataResult.markAreas,
          silent: true
        },
        markLine: {
          silent: true,
          symbol: 'none',
          lineStyle: {
            color: '#ff0000',
            width: 2,
            type: 'dashed'
          },
          label: {
            show: false
          },
          data: dataResult.markPoints.map(point => ({
            xAxis: point.xAxis
          }))
        }
      }];

      return option;
    },

    /** 曲线 */
    async getChart() {
      this.loading = true;
      let query = JSON.parse(JSON.stringify(this.queryParams))
      try {
        const {data} = await steamInstantList(query)

        // 处理瞬时流量数据
        const fluxFlowResult = this.processDataBreaks(data, 'fluxFlow')
        // 处理温度数据
        const temperatureResult = this.processDataBreaks(data, 'temperature')
        // 处理压力数据
        const pressResult = this.processDataBreaks(data, 'press')

        // 创建图表配置
        const option1 = this.createChartOption(
          '瞬时流量',
          fluxFlowResult,
          '瞬时流量',
          '瞬时流量y',
          '#5470c6'
        );

        const option2 = this.createChartOption(
          '温度',
          temperatureResult,
          '温度',
          '温度y',
          '#91cc75'
        );

        const option3 = this.createChartOption(
          '压力',
          pressResult,
          '压力',
          '压力y',
          '#fac858'
        );

        this.$refs.Chart1.setData(option1)
        this.$refs.Chart2.setData(option2)
        this.$refs.Chart3.setData(option3)

        echarts.connect(this.$refs.Chart1.chart, this.$refs.Chart2.chart, this.$refs.Chart3.chart)

        // 同步缩放
        this.$refs.Chart1.chart.on('datazoom', (e) => {
          option2.dataZoom[0].start = e.start
          option2.dataZoom[0].end = e.end
          this.$refs.Chart2.setData(option2)
          option3.dataZoom[0].start = e.start
          option3.dataZoom[0].end = e.end
          this.$refs.Chart3.setData(option3)
        })

        this.$refs.Chart2.chart.on('datazoom', (e) => {
          option1.dataZoom[0].start = e.start
          option1.dataZoom[0].end = e.end
          this.$refs.Chart1.setData(option1)
          option3.dataZoom[0].start = e.start
          option3.dataZoom[0].end = e.end
          this.$refs.Chart3.setData(option3)
        })

        this.$refs.Chart3.chart.on('datazoom', (e) => {
          option2.dataZoom[0].start = e.start
          option2.dataZoom[0].end = e.end
          this.$refs.Chart2.setData(option2)
          option1.dataZoom[0].start = e.start
          option1.dataZoom[0].end = e.end
          this.$refs.Chart1.setData(option1)
        })
      } catch (error) {
        console.error('获取图表数据失败:', error)
        this.$message.error('获取图表数据失败')
      } finally {
        this.loading = false
      }
    },

    /** 查询树形结构 */
    getTreeMonitorInfo() {
      getMonitorInfoTree({ monitorType: 4 }).then(response => {
        this.baseMonitorInfoOptions = this.handleTree(response.data, "id", "parentId")
      })
    }
  }
}
</script>
<style scoped >
.app-container {
  padding: 10px;
}

.charts-container {
  margin-top: 10px;
}

.chart1 {
  width: 50%;
  height: 40vh;
  display: inline-block;
}

.chart2 {
  width: 50%;
  height: 40vh;
  display: inline-block;
}

.chart3 {
  width: 50%;
  height: 40vh;
  display: inline-block;
}

.power-outage-summary {
  margin-bottom: 10px;
}

.power-outage-info {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.power-outage-info p {
  margin: 5px 10px;
}

/* 选中节点的样式 */
::v-deep .el-tree .el-tree-node.is-current > .el-tree-node__content {
  background-color: #67C23A !important; /* 选中节点的背景色 */
  color: #303133 !important; /* 选中节点的文字颜色 */
  padding: 0; /* 清除内边距 */
  margin: 0; /* 清除外边距 */
  z-index: 1; /* 确保在其他元素之上 */
}

/* 鼠标悬停时的样式 */
.el-tree .el-tree-node__content:hover {
  background-color: #e6f7ff; /* 鼠标悬停时的背景色 */
}

/* 闪电图标 */
.el-icon-lightning:before {
  content: "\e6a8"; /* 使用现有的element-ui图标字体 */
}
</style>
