pbl-teacher-table/src/components/pages/dataBoardNew/student/studentInfo/index.vue

<template>
    <div class="data_body">
        <div style="width: 100%; height: 100%">
            <div id="charts_canvas" class="echart" style="width: 100%; height: 100%; "></div>
        </div>
    </div>
</template>
  
<script>
export default {
    props: {
        EscoreArray2: {
            type: Array,
        },
    },
    data() {
        return {
            chartObj: null,
            ooption: {
                xdata: [],
                sdata: [],
            },
            option: {
                xAxis: {
                    // data: ['一年级一班', '一年级二班', '一年级三班', '一年级四班', '一年级五班', '一年级六班', '一年级七班']
                    data: []
                },
                tooltip: {
                    formatter: function (params, ticket, callback) {
                        return `${params.marker + params.name}</br>最高分：${params.value[2]}</br>最低分：${params.value[1]}`;
                    }
                },
                dataZoom: [
                    {
                        // start: 50,
                        type: 'inside',
                    },
                    {
                        type: 'slider',
                    }
                ],
                yAxis: {},
                grid: {
                    top: '5%',
                    left: '0%',
                    right: '0%',
                    bottom: '13%',
                    containLabel: true
                },
                series: [
                    {
                        type: 'candlestick',
                        data: [
                            // [70, 80, 70, 80],
                            // [60, 90, 60, 90],
                            // [50, 80, 50, 80],
                            // [78, 88, 78, 88],
                            // [85, 98, 85, 98],
                            // [75, 95, 75, 95],
                            // [65, 100, 65, 100],
                            // [55, 99, 55, 99]
                        ],
                        itemStyle: {
                            color: '#17C469',
                            borderColor: null
                        }
                    }
                ]
            },
        };
    },
    methods: {
        setChart(option) {
            // 雷达图显示的标签
            let newPromise = new Promise((resolve) => {
                resolve();
            });
            //然后异步执行echarts的初始化函数
            newPromise.then(() => {
                const chartObj = this.$echarts.init(
                    //劳动课程
                    this.$el.querySelector("#charts_canvas")
                );
                this.option.xAxis.data = option.xdata;
                this.option.series[0].data = option.sdata;
                chartObj.off('click')
                let _this = this
                chartObj.on('click', function (param) {
                    console.log(param);  //X轴的值
                    _this.$emit('openDataClass', param.dataIndex)
                });
                // 初始化雷达图
                this.chartObj = chartObj;
                this.chartObj.setOption(this.option);
            });
        },
        setArray(Array) {
            this.ooption = {
                xdata: [],
                sdata: [],
            }
            let _array = Array
            for (var i = 0; i < _array.length; i++) {
                this.ooption.xdata.push(_array[i].name)
                this.ooption.sdata.push([_array[i].min, _array[i].max, _array[i].min, _array[i].max])
            }

            if (!this.chartObj) {
                this.setChart(this.ooption);
            } else {
                this.option.xAxis.data = this.ooption.xdata;
                this.option.series[0].data = this.ooption.sdata;
                this.chartObj.setOption(this.option);
            }
        }
    },
    watch: {
        EscoreArray2: {
            immediate: true,
            deep: true,
            handler(newValue, oldValue) {
                this.setArray(newValue)
                this.$forceUpdate();
            },
        },
    },
    mounted() {
        this.setArray(this.EscoreArray2)
        var _this = this;
        window.addEventListener("resize", () => {
            if (_this.chartObj) {
                _this.chartObj.resize();
            }
        });
    },
};
</script>
  
<style scoped>
.data_body {
    height: 100%;
    /* display: flex; */
    position: relative;
    border-radius: 5px;
    /* border: 1px solid #eee; */
    margin: 0 auto;
    box-sizing: border-box;
    padding: 0;
    width: 95%;
    background: #fff;
}
</style>