<template>
  <div class="app-container">
    <!--筛选条件-->
    <div class="search-div">
      <el-form ref="selectForm" :inline="true" :model="listQuery" class="form-container">
        <el-form-item class="selectForm-container-item" prop="keywords">
          <el-date-picker
            v-model="dateTimeRange"
            type="datetimerange"
            range-separator="至"
            value-format="yyyy-MM-dd HH:mm:ss"
            start-placeholder="开始时间"
            end-placeholder="结束时间"
          />
        </el-form-item>
        <el-form-item class="selectForm-container-item" prop="keywords">
          <dept-select v-model="listQuery.deptId" :dept-show="deptShow" placeholder="车辆单位" clearable value=""/>
        </el-form-item>
        <el-button class="filter-item" type="primary" icon="el-icon-search" @click="search">查 询</el-button>
        <el-button class="edit_btn" type="primary" icon="el-icon-receiving" @click="batchExport">导 出</el-button>
      </el-form>
    </div>
    <!--查询结果Table显示-->
    <el-table v-loading="listLoading" :data="list" class="table" border @selection-change="handleSelectionChange">
      <el-table-column :index="indexMethod" align="center" type="index" label="序号" width="55"/>
      <el-table-column v-for="column in columns" :key="column.value" :label="column.text" :width="column.width" :align="column.align" show-overflow-tooltip>
        <template slot-scope="scope">
          <span :class="column.class">{{ scope.row[column.value] }}</span>
        </template>
      </el-table-column>
    </el-table>
    <!--分页-->
    <div class="pagination-container">
      <el-pagination
        v-show="total>listQuery.limit"
        :current-page="listQuery.offset"
        :page-sizes="[15,20,30]"
        :page-size="listQuery.limit"
        :total="total"
        align="center"
        layout="total, sizes, prev, pager, next"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"/>
    </div>
  </div>
</template>
<script>
import { getOffineList, exportOffline } from '@/api/alarm'
import DeptSelect from '@/components/DeptSelect'
import { downloadFile } from '@/utils/downloadUtils'
export default {
  name: 'ListOffline',
  components: { DeptSelect },
  data() {
    return {
      deptShow: true,
      listQuery: {
        deptId: '',
        startTime: '',
        endTime: '',
        offset: 1,
        limit: 15
      }, // 查询条件
      columns: [{
        text: '车辆描述',
        value: 'description',
        align: 'center'
      },
      {
        text: '车辆类型',
        value: 'carTypeName',
        align: 'center'
      },
      {
        text: '车牌号',
        value: 'carCode',
        align: 'center'
      },
      {
        text: '使用单位',
        value: 'deptName',
        align: 'center'
      },
      {
        text: '设备编号',
        value: 'imei',
        align: 'center'
      }], // 动态加载的表头
      dateTimeRange: [],
      list: [], // 列表数据
      total: 0, // 数据总数
      listLoading: true, // 加载动画
      fullscreenLoading: false, // 全屏加载动画
      dialogFormVisible: false, // 是否显示编辑框
      cartypelist: [], // 类型列表
      alarmtypelist: [], // 类型列表
      alarmreasonlist: [], // 类型列表
      deptlist: [] // 类型列表
    }
  },
  watch: {
    dateTimeRange(val) {
      if (val && val.length > 0) {
        this.listQuery.startTime = val[0]
        this.listQuery.endTime = val[1]
      } else {
        this.listQuery.startTime = ''
        this.listQuery.endTime = ''
      }
    }
  },
  created() {
    const date = new Date()
    const year = date.getFullYear() // 年
    const month = date.getMonth() + 1 // 月
    const day = date.getDate() // 日
    this.dateTimeRange = [year + '-' + month + '-' + day + ' 00:00:00', year + '-' + month + '-' + day + ' 23:59:59']
    this.fetchData()
  },
  methods: {
    batchExport() {
      // 全屏加载动画
      const loading = this.$loading({
        lock: true,
        text: '下载中,请稍后...',
        spinner: 'el-icon-loading',
        background: 'rgba(0, 0, 0, 0.7)'
      })
      exportOffline(this.listQuery).then(res => {
        loading.close() // 关闭加载动画
        downloadFile(res.data, '离线车辆列表')
      }).catch((res) => {
        loading.close()
      })
    },
    search() {
      this.fetchData(false)
    },
    fetchData(isNowPage = true) {
      console.log('fetchData')
      this.listLoading = true
      if (!isNowPage) {
        this.listQuery.offset = 1
      }
      console.log(this.listQuery, 'qqqqqqqqqqqqqqqq')
      getOffineList(this.listQuery).then(response => {
        this.list = response.data.rows
        console.log(response.data)
        this.total = parseInt(response.data.total)
        this.listLoading = false
      })
    },
    indexMethod(index) {
      return this.listQuery.limit * (this.listQuery.offset - 1) + index + 1
    },
    // 改变页容量
    handleSizeChange(val) {
      this.listQuery.limit = val
      this.fetchData()
    },
    // 改变当前页
    handleCurrentChange(val) {
      this.listQuery.offset = val
      this.fetchData()
    },
    // 多选触发方法
    handleSelectionChange(val) {
      this.multipleSelection = val
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
  .el-table__header tr,
  .el-table__header th {
    padding: 0;
    height: 40px;
    background-color: #f8f8f8;
  }
  .table{
    margin-bottom: 20px;
  }
  .pagination-container{
    margin-bottom: 100px;
  }
</style>