拖旺项目:聊城公交辅助决策系统
master
2022-04-27 493930a42a2ea3e13905ffd8772cdb945baa7bcf
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<template>
 <div :id="id" :style="{width:width,height:height}">
 
 </div>
</template>
 
<script>
import * as echarts from "echarts";
 
export default {
    name: 'echarts',
    props: {
        id: {
            type: String
        },
        width: {
            type: String,
            default: "100%",
        },
        height: {
            type: String,
            default: "200px",
        },
        option: {
            type: Object,
        },
 
    },
    data () {
        return {
             chart: "",
        }
    },
    watch: {
        option: {
            handler(newVal, oldVal) {
                if(newVal && this.chart) {
                    this.chart.setOption(this.option);
                }
            },
            deep: true,
        },
 
    },
    mounted() {
        this.init();
    },
    methods: {
        init() {
            if(!document.getElementById(this.id)){return;}
            this.chart = echarts.init(document.getElementById(this.id));
            this.option && this.chart.setOption(this.option);
            window.addEventListener("resize", this.chart.resize);
        },
    },
    deactivated() {
          window.removeEventListener('resize', this.chart.resize)
    },
}
</script>
 
<style scoped lang = "sass">
 
</style>