CET-vue-3.0/src/views/cet/cet-ana-1.vue

<template>
  <div style="background: #ececec; padding: 15px">
    <a-card :bordered="false">
      <a-tabs v-model:activeKey="activeKey" type="card">
        <a-tab-pane key="1" tab="查询全校各学院四级通过率">
          <div>
            <div class="query">
              <span style="font-size: 15px; margin-right: 10px; display: flex; justify-content: center; align-items: center; font-weight: bold"
                >年级:
              </span>
              <a-select v-model:value="oneentrydate" style="width: 200px" :options="entrydateOptions"></a-select>
              <a-button style="margin-left: 10px" type="primary" @click="allQuery">查询</a-button>
            </div>

            <a-card title="查询全校各学院四级通过率" :loading="tab1loading" :bordered="false">
              <template #extra>
                <!-- <a-select v-model:value="college" style="width: 300px" mode="multiple" :max-tag-count="2"
          :options="collegeOptions" @change="onCollegeMajorChange"></a-select> -->
                <!-- <a-select v-model:value="batch" style="margin-left: 10px;width: 120px" :options="batchOptions"></a-select> -->
                <!-- <a-select v-model:value="level" style="margin-left: 10px;width: 120px" :options="levelOptions"></a-select> -->
                <!-- <a-select v-model:value="entrydate" style="margin-left: 10px;width: 150px"
          :options="entrydateOptions"></a-select>
        <a-button style="margin-left: 10px;" type="primary" @click="query">查询</a-button> -->
              </template>
              <a-row :gutter="24">
                <a-col :xl="24" :style="{ marginBottom: '24px' }">
                  <div class="container" >
                    <div id="span" >
                      <div style="display: flex; justify-content: center; align-items: center">
                        <span  style="font-size: 18px" >点击柱状图可查看该学院&nbsp </span>
                        <span  style="font-size: 18px; color: red">各年级四级通过率</span>
                      </div>
               
                      <!-- <span style=" font-size: 18px;">&nbsp 变化</span> -->
                    </div>
                    <div id="map1" style="width: 100%; height: 600px"></div>
                  </div>
                </a-col>
              </a-row>
            </a-card>
          </div>
        </a-tab-pane>
      </a-tabs>
    </a-card>
  </div>
</template>

<script>
import { defHttp } from '/@/utils/http/axios';
import * as echarts from 'echarts';
import bar from '/@/components/Scrollbar/src/bar';
import { message } from 'ant-design-vue';
import { last } from 'xe-utils';

export default {
  name: 'Analysis',
  data() {
    return {
      activeKey: '1',
      allCollege: [],
      showBox: false,
      showGroup: false,
      oneentrydate: null,
      collegeentrydate: [],
      majorentrydate: [],
      lastMajorEntrydate: [],
      checkedOptions: [],
      collegetab2: [],
      collegeMajorOptions: [],
      collegeMajor: [],

      Url: {
        getBatch: '/cet/getBatch',
        getEntrydate: '/cet/getEntrydate',
        getCollege: '/cet/getCollege',
        getCollegeRate: '/cet/getRateByCollege',
        getAllRate: '/cet/getAllRate',
        getCollegeMajor: '/cet/getCollegeMajor',
        getRateByMajor: '/cet/getRateByMajor',
      },
      tab1loading: false,
      tab2loading: false,
      tab3loading: false,

      collegeOptions: [],
      batchOptions: [],
      levelOptions: [
        { value: 'cet4', label: '英语四级' },
        { value: 'cet6', label: '英语六级' },
      ],
      visible: false,
      level: null,
      college: [],
      batch: null,
      entrydateOptions: [],
      entrydate: [],
      majorCheckOn: [],
      //对不同的学院选择的专业进行记忆化
      lastCollegeMajor: [],
      majorLength: 0,
      majorOptions: [],
      //对学院对比学院进行记忆化上次选择结果
      lastCollege: [],
      //对学院对比学院进行记忆化上次选择结果
      lastCollegeEntrydate: [],
    };
  },
  methods: {
    allQuery() {
      this.tab1loading = true;
      let college = ['全校'];
      let query = 'tab1';
      if (this.oneentrydate == null) {
        this.oneentrydate = '2017';
      }
      this.query(query, college, [this.oneentrydate]);
    },
    async majorQuery() {
      if (this.majorentrydate.length == 0) {
        message.error('请选择年级');
        return;
      }
      if (this.collegeMajor.length == 0 || this.collegeMajor == null) {
        message.error('请选择学院');
        return;
      }

      if (this.lastCollegeMajor.length == 0 || this.lastCollegeMajor == null) {
        message.error('请选择专业');
        return;
      }
      this.tab3loading = true;
      let res = null;
      try {
        let params = {
          college: this.lastCollegeMajor,
          entrydate: this.majorentrydate,
        };
        res = await defHttp.post({ url: this.Url.getRateByMajor, params });
      } finally {
        console.log(res, 'res');
        this.tab3loading = false;
        this.$nextTick(() => {
          this.drawChart(res.data, 'tab3');
        });
      }
    },

    //获取学院专业级联数据
    async getCollegeMajorData() {
      const res = await defHttp.get({ url: this.Url.getCollegeMajor });
      //通过map方法将数据转换为级联选择器需要的数据格式
      this.collegeMajorOptions = res.collegeMajor.map((item) => {
        return {
          value: item.college,
          label: item.college,
          children: item.major.map((major) => {
            return {
              value: major,
              label: major,
            };
          }),
        };
      });
      // this.collegeMajor = ['东语学院'];
      console.log(this.collegeMajor, 'collegeMajor');
      console.log(this.collegeMajorOptions, 'collegeMajorOptions1');
    },

    getCollegeOptions() {
      defHttp.get({ url: this.Url.getCollege }).then((res) => {
        this.collegeOptions = res.colleges;
        // 手动添加一个全校字段

        // this.collegeOptions.unshift({ value: '全校', label: '全校' });
        // this.collegeOptions.forEach(option => {
        //  if (option.value !== '全校') {
        //     option.disabled = true;
        //}

        //  });
        //  this.college = ['全校'];
        // this.collegetab2 = ['地理科学学院', '文学院'];
        console.log(this.collegeOptions, 'collegeOptions');
      });
    },
    dataChart(data, tab) {
      let seriesData = [];
      let xData = [];
      let colors = [
        '#5370c5',
        '#91CC75',
        '#fac858',
        '#ee6666',
        '#73c0de',
        '#FF6A6A',
        '#FFA500',
        '#EE2C2C',
        '#90EE90',
        '#008B8B',
        '#FFC0CB',
        '#FFDAB9',
        '#FFDEAD',
        '#FFE4B5',
        '#FFE4C4',
        '#FFE4E1',
        '#FFEBCD',
        '#FFEFD5',
        '#FFFAF0',
        '#FFFAFA',
        '#FFFFE0',
        '#FFFFF0',
        '#FFFFFF',
        '#F0F8FF',
        '#FAEBD7',
        '#FAF0E6',
        '#FAFAD2',
        '#F5FFFA',
        '#F8F8FF',
        '#F0FFF0',
        '#F0FFFF',
        '#F0E68C',
        '#F0F8FF',
        '#F0FFF0',
        '#F0FFFF',
        '#F4A460',
        '#F5DEB3',
        '#F5F5DC',
        '#F5F5F5',
        '#F5FFFA',
        '#F8F8FF',
        '#F9EBEA',
        '#FAD7A0',
        '#FAF0E6',
        '#FAFAD2',
        '#FAF0E6  ',
      ];
      let j = 0;

      for (let i in data) {
        xData = [];
        let yData = [];
        for (let key in data[i]) {
          xData.push(data[i][key].college);
          // 将数据转换为百分比（加上%）
          yData.push(data[i][key].passRate);
        }

        xData = xData.map((label) => label.split('').join('\n')); //将x轴竖着展示
        seriesData.push({
          name: i + '级累计总通过率',
          type: 'bar',
          //设置柱状图大小
          barWidth: 25,
          data: yData,
          //柱子间距
          barGap: '30%',
          //颜色
          itemStyle: {
            normal: {
              label: {
                show: true, //开启显示
                position: 'top', //在上方显示
                formatter: '{c}%',
                textStyle: {
                  //数值样式
                  color: 'black',
                  fontSize: 13,
                },
              },
              color: colors[j++],
            },
          },
        });
        if (j == colors.length) {
          j = 0;
        }
        let rankData = yData
          .slice()
          .sort((a, b) => b - a)
          .map((value) => yData.indexOf(value) + 1);
        //如果选择全校，增加排名
        if (tab == 'tab1') {
          seriesData.push({
            name: i + '级累计总通过率排名',
            type: 'line',
            yAxisIndex: 1,
            data: rankData,
            bar: {},
            show: false,

            itemStyle: {
              normal: {
                label: {
                  show: false, //开启显示
                  position: 'top', //在上方显示
                  formatter: '{c}',
                  textStyle: {
                    //数值样式
                    color: 'black',
                    fontSize: 13,
                  },
                },
                color: colors[j++],
              },
            },
          });
          if (j == colors.length) {
            j = 0;
          }
        }
      }
      let myChart = null;
      if (tab == 'tab1') {
        myChart = echarts.init(document.getElementById('map1'));
      }
      // 指定图表的配置项和数据
      // const college1 = this.college;
      let option = {
        title: {
          text: '本年级学院四级通过率排名',
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'shadow',
          },
          formatter: function (params) {
            //生成tooltip,加上小圆球
            let result = params[0].name + '<br>';
            for (let i = 0; i < params.length; i++) {
              result += params[i].marker + params[i].seriesName + ' : ' + params[i].value + '%' + '<br>';
            }
            if (tab == 'tab1') {
              result =
                params[0].name +
                '<br/>' +
                '<table>' +
                '<tr><td>' +
                params[0].marker +
                params[0].seriesName +
                '</td><td style="font-weight: bold;">' +
                '&nbsp;&nbsp;&nbsp;&nbsp;' +
                params[0].value +
                '%' +
                '</td></tr>' +
                '<tr><td>' +
                params[1].marker +
                params[1].seriesName +
                '</td><td style="font-weight: bold;">' +
                '&nbsp;&nbsp;&nbsp;&nbsp;' +
                params[1].value +
                '</td></tr>' +
                '</table>';
            }
            return result;
          },
        },
        toolbox: {
          // show: true,
          // feature: {
          //   magicType: { show: true, type: ['line', 'bar'] },
          //   restore: { show: true },
          //   saveAsImage: { show: true },
          // },
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true,
        },
        xAxis: [
          {
            type: 'category',
            data: xData,
            axisLabel: {
              interval: 0, //代表显示所有x轴标签显示
              rotate: 0, //代表倾斜0度显示
            },
          },
        ],
        yAxis: [
          {
            type: 'value',
            name: '通过率',
            axisLabel: {
              formatter: '{value} %',
            },
          },
          {
            type: 'value',
            name: '排名',
            show: false,
          },
        ],
        series: seriesData,
      };
      if (tab == 'tab1') {
        option.series = [
          {
            name: '累计总通过率',
            type: 'bar',
            data: seriesData[0].data,
            //设置柱状图大小
            barWidth: 25,
            // barWidth: '60%',
            itemStyle: {
              normal: {
                label: {
                  show: true, //开启显示
                  position: 'top', //在上方显示
                  formatter: '{c}%',
                  textStyle: {
                    //数值样式
                    color: 'black',
                    fontSize: 13,
                  },
                },
                color: colors[0],
              },
            },
          },
          {
            name: '排名',
            type: 'bar',
            data: seriesData[1].data,
            label: {
              show: false,
              position: 'inside',
              formatter: '{c}',
            },
            yAxisIndex: 1,
            color: colors[1],
          },
        ];
      }
      myChart.setOption(option, true);
      // 使用刚指定的配置项和数据显示图表。
      myChart.on('click', async (params) => {
        let name = params.name;
        //将name的换行符去掉
        name = name.replace(/\n/g, '');
        console.log(
          this.collegeOptions.map((item) => item.value),
          'collegeOptions'
        );
        console.log(name, 'params');
        console.log(this.collegeOptions.map((item) => item.value).includes(name), 'bool');
        if (params != null && params != undefined && params.name != '' && this.collegeOptions.map((item) => item.value).includes(name)) {
          console.log(params, 'params');
          let entrydate = this.entrydateOptions.map((item) => item.value);
          let queryParams = {
            college: [name],
            entrydate: entrydate,
            level: 'cet4',
          };
          let url = this.Url.getCollegeRate;
          console.log(queryParams, 'queryParams');
          let result = await defHttp.post({ url: url, data: queryParams });

          console.log(myChart, 'mychart');
          if (!result) {
            return;
          }
          console.log(result.data, 'result');
          result = result.data[name];
          let collegeOption = {
            title: {
              text: name + '四级通过率',
            },
            xAxis: {
              data: result.map((item) => item.entrydate),
            },
            //显示数据
            tooltip: {
              trigger: 'axis',
              axisPointer: {
                type: 'shadow',
              },
              formatter: function (params) {
                //生成tooltip,加上小圆球
                let result = params[0].name + '<br>';
                for (let i = 0; i < params.length; i++) {
                  result += params[i].marker + name + ' : ' + params[i].value + '%' + '<br>';
                }
                return result;
              },
            },
            series: {
              type: 'line',
              data: result.map((item) => item.passRate),
              label: {
                show: true, // 开启标签显示
                position: 'top', // 设置标签显示的位置为上方
                formatter: function (params) {
                  // 在标签文本后面添加百分号
                  return params.value + '%';
                },
                // 你可以设置其他的标签样式选项，如颜色、字体大小等
              },
              universalTransition: {
                // enabled: true,
                // divideShape: 'clone',
              },
            },
            yAxis: {},

            animationDurationUpdate: 500,
            graphic: [
              {
                type: 'rect',
                left: 20,
                top: 40,
                z: 1, // 确保矩形在文本下方
                shape: {
                  width: 70, // 矩形的宽度
                  height: 35, // 矩形的高度
                },
                style: {
                  fill: 'rgba(24, 144, 255)', // 矩形的填充色
                },
              },
              {
                type: 'text',
                left: 38,
                top: 50,
                z: 2, // 确保文本在矩形上方
                style: {
                  text: '返 回',
                  fontSize: 15,
                  fill: 'white', // 设置文本颜色为白色
                },
                onclick: function () {
                  
                  myChart.setOption(option, true);
                  let spanElement = document.getElementById('span');

                  // 隐藏 span 元素
                  spanElement.style.display = 'block';
                
                },
              },
            ],
          };
          console.log(collegeOption, 'collegeOption');
        
          let spanElement = document.getElementById('span');

          // 隐藏 span 元素
          spanElement.style.display = 'none';
         
          myChart.setOption(collegeOption, true);
          console.log(myChart, 'mychart');
          // this.college = [params];

          // this.query(tab, this.college, this.entrydate);
        }
      });
    },
    // 获取批次数据
    async getBatch() {
      const getBatch = await defHttp.get({ url: this.Url.getBatch });
      this.batchOptions = getBatch.batches;
      this.batch = this.batchOptions[0].value;
      this.level = this.levelOptions[0].value;
    },
    //获取年级数据
    async getEntrydate() {
      const getEntrydate = await defHttp.get({ url: this.Url.getEntrydate });
      this.entrydateOptions = getEntrydate.entrydates;
      this.oneentrydate = this.entrydateOptions[0].value;
      // this.collegeentrydate = [this.entrydateOptions[0].value];
      // this.majorentrydate = [this.entrydateOptions[0].value];
      // this.entrydate.push (this.entrydateOptions[0].value);
    },
    // 查询数据
    async query(query, college, entrydate) {
      this.visible = false;
      let result = null;
      // console.log(this.college, this.entrydate);
      // //如果this.college和this.batch为null则先赋静态值
      // if (this.college === null || this.college.length === 0) {
      //   this.college = ['全校'];
      // }

      // if (!this.entrydate || this.entrydate.length === 0) {
      //   this.entrydate = ['2017'];
      // }

      try {
        // console.log(this.college, this.entrydate)
        let params = {
          college: college,
          entrydate: entrydate,
          level: 'cet4',
        };
        let url = query == 'tab1' ? this.Url.getAllRate : this.Url.getCollegeRate;
        console.log(params.college, 'college');
        result = await defHttp.post({ url: url, params });
        //使数据按照passRate从大到小排序
        // result.data.sort((a, b) => {
        //   return b.passRate - a.passRate;
        // });
        console.log('data', result.data);
      } finally {
        query == 'tab1' ? (this.tab1loading = false) : (this.tab2loading = false);
        this.$nextTick(() => {
          if (query == 'tab1') {
            this.dataChart(result.data, query);
          }
        });
      }
    },
  },
  mounted() {
    this.getCollegeOptions();
    // this.getBatch();
    this.getEntrydate();
    this.allQuery();
    this.getCollegeMajorData();
  },
};
</script>

<style lang="less" scoped>
.container {
  // display: flex;
  background-color: #fff;
  padding: 15px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.09);
}

.query {
  //居左
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-left: 24px;
}

.tab3 {
  justify-content: flex-start;
  align-items: center;
  margin-left: 24px;
}

.title {
  font-size: 34px;
  color: rgb(8, 8, 8);
  font-weight: bold;
}
</style>