<template>
  <div>
       <echarts :option="echartOpion"></echarts>
  </div>
</template>
<script>
  import echarts from './echarts.vue' // Introduce subcomponents
  export default {
    data() {
      return {
        // The value passed to the subcomponent. Here, take the parameters of the histogram as an example. Please refer to the official website http://www.echartsjs.com/examples/
        echartOpion: {
          color: ['#3398DB'],
          tooltip: {
            trigger: 'axis',
            axisPointer: { // Axis indicator, axis trigger valid
              type: 'shadow' // The default is straight line, optional: 'line' | 'shadow'
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [{
            type: 'category',
            data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
            axisTick: {
              alignWithLabel: true
            }
          }],
          yAxis: [{
            type: 'value'
          }],
          series: [{
            name: 'Direct access',
            type: 'bar',
            barWidth: '60%',
            data: [10, 52, 200, 334, 390, 330, 220]
          }]
        },
        cloneOption: null
      }
    },
    components: {
      echarts //Import components
    },
    mounted() {
    }
  }
</script>

<template>
  <div>
     <div style="height:500px;width:500px" ref="myEchart">
  </div>
  </div>
</template>
<script>
  import echarts from 'echarts'
  export default {
    data() {
      return {
        chart: null
      }
    },
    props: {
      // Whether the data of the chart is requested remotely
      mapdata: {
        type: String,
        default: ''
      },
      // Get directly from parent component
      option: Object
    },
    watch: {
      // Listen for the option value from the parent component
      option(val) {
        if(this.chart) {
          // If there is data, set the value otherwise clear
          // The setOption() and clear() methods here provide methods for echart, which can be found at http://www.echartsjs.com/api.html
          this.option ? this.chart.setOption(val) : this.chart.clear();
        }
      }
    },
    methods: {
      initChart() {
        // Initialization
        this.chart = echarts.init(this.$refs.myEchart);
        // Put configuration and data here
        this.chart.setOption(this.option);
      }
    },
    mounted() {
      // A mapdata is defined above. If it exists, set the value after sending the request. The method is the same
      this.initChart();
    },
    beforeDestroy() {
      if (!this.chart) {
        return
      }
      this.chart.dispose();// Destruction
      this.chart = null;
    }
  }
</script>

export default {
  data() {
    return {
      // Exposed public configuration
      barOption: {
        color: ['#3398DB'],
        tooltip: {
          trigger: 'axis',
          axisPointer: { // Axis indicator, axis trigger valid
            type: 'shadow' // The default is straight line, optional: 'line' | 'shadow'
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [{
          type: 'category',
          data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
          axisTick: {
            alignWithLabel: true
          }
        }],
        yAxis: [{
          type: 'value'
        }],
        series: [{
          name: 'Direct access',
          type: 'bar',
          barWidth: '60%',
          data: [10, 52, 200, 334, 390, 330, 220]
        }]
      }
    }
  },
  methods: {
    // Deep copy object or array
    clone(obj) {
      return JSON.parse(JSON.stringify(obj));
    }
  }
}

<template>
  <div>
       <echarts :option="echartOpion"></echarts>
  </div>
</template>
<script>
  import echarts from './echarts.vue' // Introduce subcomponents
  import chartsOps from './options.js' // Public profile
  export default {
    mixins: [chartsOps], // The advantage of mixins is that it can directly call the methods and properties in the component
    data() {
      return {
        // The value passed to the subcomponent. Here, take the parameters of the histogram as an example. Please refer to the official website http://www.echartsjs.com/examples/
        echartOpion: {}
      }
    },
    components: {
      echarts
    },
    mounted() {
      // Copy the configuration and assign it to echartOpion. At this time, you can freely modify the properties in echartOpion and assign them to your own data:
     // For example, this.echartOpion.xAxis = xxx
      this.echartOpion = this.clone(this.barOption);
    }
  }
</script>