pbl-teacher-table/src/components/pages/dataBoardSies/school/studentInfo2/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: {
        evCourseArray: {
            type: Object,   
            default: () => {}
        },
        // eva: {
        //     type: String,
        //     default: ''
        // }
    },
    data() {
        return {
            chartObj: null,
            ooption: {
                xdata: [],
                sdata: [],
            },
            name:['100分','90-99分','80-89分','70-79分','60-69分','0-59分'],
            option: {
                xAxis: {
                    type: 'value',
                    show: false,
                    // max: 500
                },
                tooltip: {
                    trigger: 'axis',
                    axisPointer: {
                    // Use axis to trigger tooltip
                    type: 'shadow' // 'shadow' as default; can also be 'line' or 'shadow'
                    }
                },
                grid: {
                    left: '15%',
                    right: '5%',
                    bottom: '5%',
                    top: '5%',
                },
                yAxis: {
                    inverse: true,
                    type: 'category',
                    data: [
                        // '三（1）班级',
                        // '三（2）班级',
                        // '三（3）班级',
                        // '三（4）班级',
                        // '三（5）班级',
                        // '三（6）班级'
                    ]
                },
                series: [
                    // {
                    //     showBackground: true,
                    //     stack: 'total',
                    //     data: [
                    //         40, 30, 40, 50, 60, 70
                    //     ],
                    //     type: 'bar'
                    // },
                    // {
                    //     showBackground: true,
                    //     stack: 'total',
                    //     data: [
                    //         20, 10, 26, 51, 44, 35
                    //     ],
                    //     type: 'bar'
                    // },
                    // {
                    //     showBackground: true,
                    //     stack: 'total',
                    //     data: [
                    //         11, 23, 41, 15, 23, 14
                    //     ],
                    //     type: 'bar'
                    // },
                    // {
                    //     showBackground: true,
                    //     stack: 'total',
                    //     data: [
                    //         41, 21, 21, 12, 24, 34
                    //     ],
                    //     type: 'bar'
                    // },
                    // {
                    //     showBackground: true,
                    //     stack: 'total',
                    //     data: [
                    //         52, 54, 53, 24, 35, 43
                    //     ],
                    //     type: 'bar'
                    // }
                ]
            },
        };
    },
    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.yAxis.data = option.xdata;
                this.option.series = []
                for(var i = 0;i<this.name.length;i++){
                    this.option.series.push(           
                        {
                            name:this.name[i],
                            showBackground: true,
                            stack: 'total',
                            data: [],
                            type: 'bar'
                        },
                    );
                }
                for(var i = 0;i<option.sdata.length;i++){
                    for(var j = 0;j<this.option.series.length;j++){
                        this.option.series[j].data.push(option.sdata[i][j])
                    }
                }
                console.log(this.option);
                // 初始化雷达图
                this.chartObj = chartObj;
                this.chartObj.setOption(this.option);
            });
        },
        setArray(array) {
            // this.setChart(array);
            // return
            this.ooption = {
                xdata: array.class,
                sdata: array.Array,
            }
            // for (var i = 0; i < array.length; i++) {
            //     if (array[i].evid == this.eva) {
            //         this.ooption.xdata = array[i].indicator
            //         this.ooption.sdata = array[i].value
            //         break;
            //     }
            // }
            setTimeout(() => {
                if (!this.chartObj) {
                    this.setChart(this.ooption);
                } else {
                    this.option.yAxis.data = this.ooption.xdata;
                    this.option.series = []
                    for(var i = 0;i<this.name.length;i++){
                        this.option.series.push(           
                            {
                                name:this.name[i],
                                showBackground: true,
                                stack: 'total',
                                data: [],
                                type: 'bar'
                            },
                        );
                    }
                    for(var i = 0;i<this.ooption.sdata.length;i++){
                        for(var j = 0;j<this.option.series.length;j++){
                            this.option.series[j].data.push(this.ooption.sdata[i][j])
                        }
                    }
                    console.log(this.option);
                    this.chartObj.setOption(this.option);
                }
            }, 100);
            this.$forceUpdate();
        },
    },
    watch: {
        evCourseArray: {
            immediate: true,
            deep: true,
            handler(newValue, oldValue) {
                this.setArray(newValue)
                this.$forceUpdate();
            },
        },
        // eva: {
        //     immediate: true,
        //     deep: true,
        //     handler(newValue, oldValue) {
        //         this.setArray(this.evCourseArray)
        //         this.$forceUpdate();
        //     },
        // },
    },
    mounted() {
        this.setArray(this.evCourseArray)
        // this.setChart(this.ooption);
        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>