ylrz_his_scrm_adminUI/src/views/course/miniappTraffic/index.vue

<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="日期">
        <el-date-picker
          v-model="timeRange"
          type="daterange"
          placeholder="选择日期"
          :value-format="'yyyy-MM-dd'"
          :picker-options="pickerOptions"
          @change="handleDateData"
        ></el-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-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          :loading="exportLoading"
          @click="handleExport"
          v-hasPermi="['course:miniappTraffic:export']"
        >导出</el-button>
      </el-form-item>
    </el-form>

    <el-table border v-loading="loading" :data="trafficList" show-summary :summary-method="getSummaries">
      <el-table-column label="日期" align="center" prop="statDate" />
      <el-table-column label="使用流量" align="center">
        <template slot-scope="scope">
          <span>{{ formatTrafficData(scope.row.totalInternetTraffic) }}</span>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
  </div>
</template>

<script>
import { listMiniappTraffic, exportMiniappTraffic } from "@/api/course/miniappTraffic";

export default {
  name: "MiniappTraffic",
  data() {
    return {
      timeRange: null,
      pickerOptions: {
        shortcuts: [
          {
            text: '今日',
            onClick(picker) {
              const start = new Date();
              const end = new Date();
              picker.$emit('pick', [start, end]);
            }
          },
          {
            text: '昨日',
            onClick(picker) {
              const start = new Date();
              start.setDate(start.getDate() - 1);
              const end = new Date(start);
              picker.$emit('pick', [start, end]);
            }
          },
          {
            text: '本周',
            onClick(picker) {
              const now = new Date();
              const day = now.getDay() || 7;
              const start = new Date(now);
              start.setDate(now.getDate() - day + 1);
              const end = new Date();
              picker.$emit('pick', [start, end]);
            }
          },
          {
            text: '本月',
            onClick(picker) {
              const start = new Date(new Date().setDate(1));
              const end = new Date();
              picker.$emit('pick', [start, end]);
            }
          }
        ]
      },
      loading: false,
      exportLoading: false,
      showSearch: true,
      total: 0,
      trafficList: [],
      queryParams: {
        startDate: null,
        endDate: null,
        pageNum: 1,
        pageSize: 31
      }
    };
  },
  created() {
    this.initCurrentMonth();
    this.getList();
  },
  methods: {
    formatDate(date) {
      const year = date.getFullYear();
      const month = String(date.getMonth() + 1).padStart(2, '0');
      const day = String(date.getDate()).padStart(2, '0');
      return `${year}-${month}-${day}`;
    },
    initCurrentMonth() {
      const today = new Date();
      const start = new Date(today.getFullYear(), today.getMonth(), 1);
      const startStr = this.formatDate(start);
      const endStr = this.formatDate(today);
      this.timeRange = [startStr, endStr];
      this.queryParams.startDate = startStr;
      this.queryParams.endDate = endStr;
    },
    getSummaries(param) {
      const { columns, data } = param;
      const sums = [];
      columns.forEach((column, index) => {
        if (index === 0) {
          sums[index] = '合计';
          return;
        }
        if (index === columns.length - 1) {
          if (data && data.length > 0) {
            const total = data.reduce((prev, item) => prev + (Number(item.totalInternetTraffic) || 0), 0);
            sums[index] = this.formatTrafficData(total);
          } else {
            sums[index] = '0.0000 GB';
          }
        } else {
          sums[index] = '';
        }
      });
      return sums;
    },
    handleDateData() {
      if (this.timeRange) {
        this.queryParams.startDate = this.timeRange[0];
        this.queryParams.endDate = this.timeRange[1];
      } else {
        this.queryParams.startDate = null;
        this.queryParams.endDate = null;
      }
    },
    getList() {
      this.loading = true;
      listMiniappTraffic(this.queryParams).then(res => {
        this.trafficList = res.rows || [];
        this.total = res.total || 0;
      }).finally(() => {
        this.loading = false;
      });
    },
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    resetQuery() {
      this.initCurrentMonth();
      this.queryParams.pageNum = 1;
      this.getList();
    },
    formatTrafficData(traffic) {
      return `${((Number(traffic) || 0) / (1024 ** 3)).toFixed(4)} GB`;
    },
    handleExport() {
      this.$confirm("确认导出数据?", "提示").then(() => {
        this.exportLoading = true;
        return exportMiniappTraffic(this.queryParams);
      }).then(res => {
        this.download(res.msg);
      }).finally(() => {
        this.exportLoading = false;
      });
    }
  }
};
</script>