<template>
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<div class="app-container" ref="pageContent">
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<el-form :model="queryParam" ref="queryForm" :inline="true" style="display: flex">
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<el-form-item label="试卷：">
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<el-select v-model="queryParam.id" filterable placeholder="试卷" @change="getType" size="small">
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<el-option v-for="item,index in examPaperList" :key="index" :value="item.id" :label="item.name" />
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</el-select>
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</el-form-item>
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<el-form-item>
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<el-button type="primary" @click="submitForm" size="small">查询</el-button>
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<el-button type="danger" @click="handleExport" size="small" class="link-left">导出</el-button>
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<el-button type="success" @click="downloadUrlFile" size="small" class="link-left">截图</el-button>
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</el-form-item>
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</el-form>
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<el-row :gutter="20">
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<el-col :xl="24" class="echarts-row">
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<el-row :gutter="20">
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<el-col :span="6">
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<el-card>
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<div class="data-item">
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<div class="data-icon" :style="{ 'background-color': iconList[0].color }">
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<i class="el-icon-tickets"></i>
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</div>
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<div class="data-info">
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<div class="data-label">
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总考试次数
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</div>
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<div class="data-num">
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{{ totalInfo.examTotal }}
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</div>
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</div>
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</div>
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</el-card>
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</el-col>
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<el-col :span="6">
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<el-card>
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<div class="data-item">
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<div class="data-icon" :style="{ 'background-color': iconList[1].color }">
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<i class="el-icon-s-claim"></i>
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</div>
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<div class="data-info">
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<div class="data-label">
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参考人数
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</div>
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<div class="data-num">
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{{ totalInfo.factPeopleTotal }}
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</div>
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</div>
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</div>
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</el-card>
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</el-col>
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<el-col :span="6">
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<el-card>
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<div class="data-item">
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<div class="data-icon" :style="{ 'background-color': iconList[2].color }">
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<i class="el-icon-edit"></i>
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</div>
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<div class="data-info">
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<div class="data-label">
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平均分
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</div>
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<div class="data-num">
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{{ totalInfo.averageScore }}
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</div>
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</div>
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</div>
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</el-card>
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</el-col>
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<el-col :span="6">
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<el-card>
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<div class="data-item">
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<div class="data-icon" :style="{ 'background-color': iconList[3].color }">
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<i class="el-icon-s-data"></i>
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</div>
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<div class="data-info">
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<div class="data-label">
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参考人数百分比
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</div>
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<div class="data-num">
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{{ totalInfo.referencePercentage }}%
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</div>
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</div>
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</div>
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</el-card>
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</el-col>
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</el-row>
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</el-col>
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</el-row>
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<el-row :gutter="20">
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<el-col :xl="24">
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<el-card>
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<div class="card-chart-container">
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<div id="peopleChart" ref="peopleChart" class="chart-style" v-loading="chartLoading" />
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</div>
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</el-card>
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</el-col>
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</el-row>
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</div>
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</template>
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<script>
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import { mapGetters, mapState } from 'vuex';
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import dashboardApi from '@/api/dashboard';
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const colorList = ['#3eba45', '#3da7f8', '#ffbe40', '#95A5A6', '#8E44AD', '#F39C12', '#D35400'];
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const dataKeyMap = {
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'factPeopleTotal': '参考人数',
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'averageScore': '平均分',
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'referencePercentage': '参考人数百分比',
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};
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let peopleChart = null;
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let observer = null;
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export default {
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data() {
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return {
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examPaperList: [],
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totalInfo: {},
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dataList: [],
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iconList: [
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{ icon: 'el-icon-tickets', color: '#7868d9' },
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{ icon: 'el-icon-s-claim', color: '#3eba45' },
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{ icon: 'el-icon-edit', color: '#3da7f8' },
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{ icon: 'el-icon-warning', color: '#ffbe40' },
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{ icon: 'el-icon-error', color: '#fe640d' },
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],
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chartLoading: false,
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queryParam: {
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id: '',
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type: 1,
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name: '分数统计'
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},
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admin: true
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};
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},
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mounted() {
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if (sessionStorage.getItem('deptAdmin') == 1) {
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this.admin = false;
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}
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peopleChart = echarts.init(this.$refs.peopleChart);
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dashboardApi.queryCondition().then(res => {
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this.examPaperList = res.response;
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this.queryParam.id = this.examPaperList[0].id;
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this.queryParam.type = this.examPaperList[0].paperType;
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this.queryParam.name = this.examPaperList[0].name;
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this.getChartData();
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this.observe();
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});
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},
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methods: {
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downloadUrlFile() {
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var fileName = this.queryParam.name + '.png';
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var canvasElement = document.getElementsByTagName('canvas')[0];
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var MIME_TYPE = "image/png";
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var imgURL = canvasElement.toDataURL(MIME_TYPE);
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var dlLink = document.createElement('a');
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dlLink.download = fileName;
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dlLink.href = imgURL;
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dlLink.dataset.downloadurl = [MIME_TYPE, dlLink.download, dlLink.href].join(':');
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document.body.appendChild(dlLink);
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dlLink.click();
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document.body.removeChild(dlLink);
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},
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handleExport(){
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let that = this
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let url ='/api/admin/examPaperAnswer/export?id=' +this.queryParam.id + '&type=' + this.queryParam.type
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var x = new XMLHttpRequest();
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x.open("GET", url, true);
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x.responseType = "blob";
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x.onload = function () {
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var url = window.URL.createObjectURL(x.response);
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var a = document.createElement("a");
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a.href = url;
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a.download = that.queryParam.name + '.xlsx';
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a.click();
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};
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x.send();
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},
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getType(val) {
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const selectedItem = this.examPaperList.find(item => item.id === val);
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this.queryParam.type = selectedItem.paperType;
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this.queryParam.name = selectedItem.name;
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this.getChartData();
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},
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getChartData() {
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this.chartLoading = true;
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dashboardApi.data(this.queryParam).then(re => {
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const { data, total } = re.response;
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this.totalInfo = total;
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this.dataList = data;
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this.barOption(this.dataList);
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this.chartLoading = false;
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});
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},
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barOption(dataList) {
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const nameList = dataList.map((item) => item.name);
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const options = {
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title: {
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text: '部门统计',
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x: 'left'
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},
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legend: {
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orient: 'horizontal',
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},
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color: colorList,
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tooltip: {
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trigger: 'item'
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},
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grid: {
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left: 10,
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right: 10,
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bottom: 10,
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top: 40,
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containLabel: true
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},
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xAxis: {
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type: 'category',
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data: nameList,
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axisLabel: {
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show: true,
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rotate: 35,
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},
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},
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yAxis: {
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type: 'value'
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},
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series: Object.keys(dataKeyMap).map(key => {
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console.log(key);
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return this.filterData(dataList, key);
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})
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};
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peopleChart.setOption(options, true);
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},
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filterData(data, key) {
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const mapData = data.map(item => item[key]);
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return {
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name: dataKeyMap[key],
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type: 'bar',
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label: {
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show: true,
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},
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data: mapData
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};
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},
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submitForm() {
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this.getChartData();
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},
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// 监听变化
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observe() {
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if (!observer) {
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observer = new ResizeObserver(entries => {
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this.handleResize();
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});
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}
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observer.observe(this.$refs.pageContent);
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},
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// 窗口变换
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handleResize() {
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if (ageChart) {
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ageChart.resize();
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}
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}
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},
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beforeDestroy() {
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observer.unobserve(this.$refs.pageContent);
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},
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computed: {
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...mapGetters('enumItem', ['enumFormat']),
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...mapState('enumItem', {
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levelEnum: state => state.user.levelEnum
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})
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}
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};
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</script>
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<style scoped lang="scss">
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.echarts-row {
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margin-bottom: 20px;
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}
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.card-chart-container {
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width: 100%;
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height: 500px;
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}
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.chart-style {
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width: 100%;
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height: 100%;
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}
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.data-item {
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width: 100%;
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display: flex;
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align-items: center;
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border-radius: 10px;
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overflow: hidden;
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.data-icon {
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font-size: 70px;
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padding: 20px 30px;
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color: #fff;
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border-radius: 10px;
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overflow: hidden;
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margin-right: 20px;
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}
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.data-info {
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.data-label {
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font-size: 18px;
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margin-bottom: 10px;
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color: #707070;
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}
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.data-num {
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font-size: 28px;
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}
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}
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}
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</style>
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