265 lines
7.7 KiB
Vue
265 lines
7.7 KiB
Vue
<template>
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<div style="background: #ececec; padding: 15px">
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<a-card title="按学院 / 专业分析" :loading="loading" :bordered="false">
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<template #extra>
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<a-select v-model:value="college" style="width: 300px" mode="multiple" :max-tag-count="2"
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:options="collegeOptions" @change="onCollegeMajorChange"></a-select>
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<!-- <a-select v-model:value="batch" style="margin-left: 10px;width: 120px" :options="batchOptions"></a-select> -->
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<!-- <a-select v-model:value="level" style="margin-left: 10px;width: 120px" :options="levelOptions"></a-select> -->
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<a-select v-model:value="entrydate" style="margin-left: 10px;width: 150px"
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:options="entrydateOptions"></a-select>
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<a-button style="margin-left: 10px;" type="primary" @click="query">查询</a-button>
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</template>
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<a-row :gutter="24">
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<a-col :xl="24" :style="{ marginBottom: '24px' }">
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<div class="container">
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<div id="map1" style="width: 100%; height: 400px;"></div>
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</div>
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</a-col>
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</a-row>
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</a-card>
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</div>
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</template>
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<script>
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import { defHttp } from '/@/utils/http/axios';
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import * as echarts from 'echarts';
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export default {
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name: "Analysis",
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data() {
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return {
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Url: {
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getBatch: '/cet/getBatch',
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getEntrydate: '/cet/getEntrydate',
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getCollege: '/cet/getCollege',
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getRate: '/cet/getRateByCollege'
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},
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loading: false,
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collegeOptions: [],
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batchOptions: [],
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levelOptions: [
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{ value: 'cet4', label: '英语四级' },
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{ value: 'cet6', label: '英语六级' }
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],
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level: null,
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college: null,
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batch: null,
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entrydateOptions: [],
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entrydate: null,
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};
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},
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methods: {
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getCollegeOptions() {
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defHttp.get({ url: this.Url.getCollege }).then(res => {
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this.collegeOptions = res.colleges;
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// 手动添加一个全校字段
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this.collegeOptions.unshift({ value: '全校', label: '全校' });
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this.collegeOptions.forEach(option => {
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if (option.value !== '全校') {
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option.disabled = true;
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}
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});
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this.college = ['全校'];
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});
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},
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onCollegeMajorChange(value) {
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if (value.includes('全校')) {
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this.collegeOptions.forEach(option => {
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if (option.value !== '全校') {
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option.disabled = true;
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}
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});
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} else {
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this.collegeOptions.forEach(option => {
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option.disabled = false;
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if (value !== '全校' && option.value === '全校') {
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option.disabled = true;
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}
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if (value.length === 0) {
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option.disabled = false;
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}
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});
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}
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console.log(value);
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},
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dataChart(data) {
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let xData = [];
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let yData = [];
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for (let key in data) {
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xData.push(data[key].college);
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// 将数据转换为百分比（加上%）
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yData.push(data[key].passRate);
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}
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let rankData = yData.slice().sort((a, b) => b - a).map((value) => yData.indexOf(value) + 1);
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xData = xData.map(label => label.split("").join("\n"));//将x轴竖着展示
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let myChart = echarts.init(document.getElementById("map1"));
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// 指定图表的配置项和数据
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let option = {
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title: {
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text: "本批次学院通过率排名",
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},
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tooltip: {
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trigger: 'axis',
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axisPointer: {
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type: 'shadow'
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},
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formatter: function (params) {
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return params[0].name + '<br/>' +
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'<table>' +
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'<tr><td>' + params[0].marker + params[0].seriesName + '</td><td style="font-weight: bold;">' + ' ' + params[0].value + '%' + '</td></tr>' +
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'<tr><td>' + params[1].marker + params[1].seriesName + '</td><td style="font-weight: bold;">' + ' ' + params[1].value + '</td></tr>' +
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'</table>';
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}
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},
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toolbox: {
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show: true,
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feature: {
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magicType: { show: true, type: ['line', 'bar'] },
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restore: { show: true },
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saveAsImage: { show: true }
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}
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},
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grid: {
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left: '3%',
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right: '4%',
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bottom: '3%',
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containLabel: true
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},
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xAxis: [
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{
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type: 'category',
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data: xData,
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axisLabel: {
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interval: 0,//代表显示所有x轴标签显示
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rotate: 0,//代表倾斜0度显示
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}
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}
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],
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yAxis: [
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{
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type: 'value',
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name: '通过率',
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axisLabel: {
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formatter: '{value} %'
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}
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},
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{
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type: 'value',
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name: '排名',
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show: false,
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}
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],
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series: [
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{
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name: '累计总通过率',
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type: 'bar',
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barWidth: '60%',
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data: yData,
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itemStyle: {
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normal: {
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label: {
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show: true, //开启显示
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position: 'top', //在上方显示
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textStyle: { //数值样式
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color: 'black',
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fontSize: 13
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},
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formatter: '{c}%'
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}
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}
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},
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yAxisIndex: 0,
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},
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{
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name: '排名',
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type: 'bar',
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data: rankData,
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label: {
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show: false,
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position: 'inside',
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formatter: '{c}',
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},
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yAxisIndex: 1,
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},
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]
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};
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// 使用刚指定的配置项和数据显示图表。
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myChart.setOption(option);
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},
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// 获取批次数据
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async getBatch() {
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const getBatch = await defHttp.get({ url: this.Url.getBatch });
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this.batchOptions = getBatch.batches;
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this.batch = this.batchOptions[0].value;
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this.level = this.levelOptions[0].value;
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},
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//获取年级数据
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async getEntrydate() {
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const getEntrydate = await defHttp.get({ url: this.Url.getEntrydate });
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this.entrydateOptions = getEntrydate.entrydates;
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this.entrydate = this.entrydateOptions[0].value;
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},
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// 查询数据
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async query() {
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let result = null;
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console.log(this.college, this.entrydate);
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//如果this.college和this.batch为null则先赋静态值
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if (this.college === null || this.college.length === 0) {
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this.college = ['全校'];
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}
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if (!this.entrydate) {
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this.entrydate = '2017';
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}
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try {
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this.loading = true;
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console.log(this.college, this.entrydate)
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let params = {
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college: this.college,
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entrydate: this.entrydate,
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level: 'cet4'
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}
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console.log(params.college, "college")
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result = await defHttp.post({ url: this.Url.getRate, params });
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//使数据按照passRate从大到小排序
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result.data.sort((a, b) => {
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return b.passRate - a.passRate;
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});
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console.log("data", result.data);
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} finally {
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this.loading = false;
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this.$nextTick(() => {
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this.dataChart(result.data);
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})
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}
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}
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},
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mounted() {
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this.getCollegeOptions();
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// this.getBatch();
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this.getEntrydate();
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this.query();
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}
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}
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</script>
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<style lang="less" scoped>
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.container {
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display: flex;
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background-color: #fff;
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padding: 15px;
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border-radius: 4px;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.09);
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}
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.title {
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font-size: 34px;
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color: rgb(8, 8, 8);
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font-weight: bold;
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}
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</style>
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