244 lines
7.2 KiB
Vue
244 lines
7.2 KiB
Vue
<template>
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<div style="background: #ececec; padding: 15px">
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<a-card title="按批次对比分析" :loading="loading" :bordered="false">
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<template #extra>
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<a-select v-model:value="collegeMajor" style="width: 300px" :options="collegeMajorOptions"></a-select>
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<a-select v-model:value="batch" :options="batchOptions" change-on-select
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style="margin-left: 10px;width: 120px" />
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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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<div>
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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 style="display: flex;">
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<span class="title">学院 / 专业通过率变化</span>
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<div v-if="topCollege != null">
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<span style="color: red; font-size: 18px; padding-left: 100px;"> {{ topCollege }}</span>
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<span style="font-size: 15px;"> 在 </span>
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<span style="color: red; font-size: 18px;"> {{ topBath }} </span>
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<span style="font-size: 15px;"> 批次的通过率为：</span>
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<span style="color: red; font-size: 18px;"> {{ sumRate }}%</span>
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</div>
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</div>
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<div id="map1" style="width: 100%; height: 450px;"></div>
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</div>
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</a-col>
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</a-row>
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</div>
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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 { result } from 'lodash-es';
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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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getCollege: '/cet/getCollege',
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getRate: '/cet/getRateByBatch',
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getCollegeMajor: '/cet/getCollegeMajor'
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},
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loading: false,
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collegeOptions: [],
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collegeMajorOptions: [],
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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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collegeMajor: null,
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sumRate: null,//总通过率
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topCollege: null,//顶部选择器选择的学院
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topBath: null,//顶部选择器选择的批次
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};
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},
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methods: {
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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(key);
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// 将数据转换为百分比（加上%）
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yData.push((data[key]).toFixed(1));
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}
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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: "学院 / 专业通过率变化",
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},
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xAxis: {
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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30度显示
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}
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},
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//提示框
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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 + '</td><td style="font-weight: bold;">' + ' ' + params[0].value + '%' + '</td></tr>' +
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'<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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//网格
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grid: {
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left: '3%',
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right: '4%',
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bottom: '1%',//网格距离容器底部的距离是容器高度的3%
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containLabel: true
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},
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yAxis: {
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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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series: [
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{
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data: yData,
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type: 'bar',
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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: 12
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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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}
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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.map(item => {
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return {
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value: item.value,
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label: item.label
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}
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});
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// const getCollege = await defHttp.get({ url: this.Url.getCollege });
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// this.collegeOptions = getCollege.colleges;
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// this.college = this.collegeOptions[0].value;
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this.level = this.levelOptions[0].value;
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// this.query();
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},
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//获取学院专业级联数据
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async getCollegeMajorData() {
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const res = await defHttp.get({ url: this.Url.getCollegeMajor });
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//通过map方法将数据转换为级联选择器需要的数据格式
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this.collegeMajorOptions = res.collegeMajor.map(item => {
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return {
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value: item.college,
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label: item.college,
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children: item.major.map(major => {
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return {
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value: major,
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label: major
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}
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})
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}
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});
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this.collegeMajorOptions.unshift({ value: '全校', label: '全校' });
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this.collegeMajor = this.collegeMajorOptions[0].value;
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console.log(this.collegeMajor)
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console.log(this.collegeMajorOptions);
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},
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// 查询数据
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async query() {
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let resultData = null;
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try {
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//如果this.batch为null则先赋个值
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if (!this.batch) {
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this.batch = '2017-12-01';
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}
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if (!this.collegeMajor) {
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this.collegeMajor = '全校';
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}
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//如果this.batch[1]不存在则设为null
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let major = this.batch.length > 1 ? this.batch[1] : "";
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this.topCollege = this.collegeMajor;
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this.topBath = this.batch;
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this.loading = true;
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let params = {
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batch: this.batch,
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college: this.collegeMajor,
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level: 'cet4',
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}
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resultData = await defHttp.get({ url: this.Url.getRate, params });
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this.sumRate = resultData.sumRate;
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console.log("result", resultData)
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} finally {
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this.loading = false;
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this.$nextTick(() => {
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this.dataChart(resultData.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.getCollegeMajorData();
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this.getBatch();
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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: 20px;
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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> |