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jihongshun
8 天以前 0c741cdda7ef9935a20d3090dfea97e1ce8ae754
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<template>
  <div :id="uuid" style="width: 100%;height:100%;"></div>
</template>
 
<script>
import {getDataJson, pollingRefresh} from "@/utils/refreshCptData";
 
export default {
  name: "cpt-chart-line",
  props:{
    width:Number,
    height:Number,
    option:Object
  },
  data(){
    return {
      uuid:'',
      chartOption:{},
      chart:undefined,
      cptData:[]
    }
  },
  watch:{
    'option.attribute':{
      handler(newObj) {
        this.loadChart(newObj);
      },
      deep: true//深度监听
    },
    width(){
      this.chart.resize();
    },
    height(){
      this.chart.resize();
    }
  },
  created() {
    this.uuid = require('uuid').v1();
  },
  mounted() {
    this.chart = this.$echarts.init(document.getElementById(this.uuid));
    this.refreshCptData();
  },
  methods:{
    refreshCptData(){
      pollingRefresh(this.uuid, this.option.cptDataForm, this.loadData)
    },
    loadData() {
      getDataJson(this.option.cptDataForm).then(res => {
        this.cptData = res;
        this.loadChart(this.option.attribute);
      });
    },
    loadChart(attribute){
      const that = this;
      that.chartOption = {
        color: attribute.lineColor,
        title: {
          text: attribute.title,
          subtext: attribute.subtext,
          left: attribute.titleLeft,
          top: attribute.titleTop,
          textStyle:{
            color: attribute.titleTextColor
          },
          subtextStyle: { fontSize: 12, color: attribute.subtextColor }
        },
        grid: {
          x:10,y:30,x2:10,y2:10,
          containLabel: true
        },
        xAxis: {
          type: 'category',
          data: that.cptData.xData.split(','),
          axisLabel:{
            show: attribute.xLabelShow,
            color: attribute.xLabelColor
          },
          axisLine:{
            show: attribute.xLineShow,
            lineStyle: {
              color: attribute.xLineColor
            }
          },
          axisTick:{//x轴刻度线
            show: attribute.xTickShow
          },
        },
        yAxis: {
          type: 'value',
          axisLabel:{
            show: attribute.yLabelShow,
            color: attribute.yLabelColor
          },
          axisLine:{
            show: attribute.yLineShow,
            lineStyle:{
              color: attribute.yLineColor
            }
          },
          axisTick:{//y轴刻度线
            show: attribute.yTickShow
          },
          splitLine: {//网格线
            show: attribute.yGridLineShow
          }
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross'
          }
        },
        series: [{
          data: that.cptData.yData.split(','),
          type: 'line',
          smooth: attribute.smooth,
          areaStyle:{
            color: new that.$echarts.graphic.LinearGradient(0, 0, 0, 1, [{
              offset: 0,
              color: attribute.areaColor1
            }, {
              offset: .34,
              color: attribute.areaColor2
            },{
              offset: 1,
              color: attribute.areaColor3
            }])
          }
        }]
      }
      that.chart.setOption(that.chartOption);
    }
  }
}
</script>
 
<style scoped>
 
</style>