vue中使用柱状图

子组件

<template>
    <div>
      <div id="myChart" :style="{width: '400px', height: '450px'}"></div>
    </div>
</template>
<script>
    export default {
      data () {
        return {
          msg: ''
        }
      },
      props:['houseStyle'],
      mounted () {
        this.drawLine()
        console.log(this.houseStyle)
      },
      methods: {
        drawLine () {
          // 基于准备好的dom, 初始化echarts
          let myChart = this.$echarts.init(document.getElementById('myChart'))
          // 绘制图表
          myChart.setOption({
            title: {},
            grid: {  
		    left: '1%',  
		    bottom: '5%',  
		    containLabel: true  
		 } ,
            tooltip: {},
            xAxis: {
              type : 'category',
              data: ['商务办公用房','门面房','办公用房','集体宿舍','公租房','学生房'],
              axisTick: {
                alignWithLabel: true
              },
               axisLabel:{
						     interval:0,//横轴信息全部显示
						     rotate:-30,//-30度角倾斜显示
						}
            },
            yAxis : [
		        {
		            type : 'value'
		        }
		    ],
            series: [{
              type: 'bar',
              barWidth: '50%',
              data: [{
              	value:this.houseStyle[0],
              	itemStyle:{
              		color:'#4383C9'
              	 }
              	},
              	{
              	value:this.houseStyle[1],
              	itemStyle:{
              		color:'#7B5BAA'
              	 }
              	},
              	{
              	value:this.houseStyle[2],
              	itemStyle:{
              		color:'#BA6329'
              	 }
              	},
              	{
              	value:this.houseStyle[3],
              	itemStyle:{
              		color:'#B92E2E'
              	 }
              	},
              	{
              	value:this.houseStyle[4],
              	itemStyle:{
              		color:'#6E8C34'
              	 }
              	},
              	{
              	value:this.houseStyle[5],
              	itemStyle:{
              		color:'#21A579'
              	}
              }]
            }]
          })
        }
      },
      watch:{
	    	houseStyle:{
	    		handler(val,oldval){
	    		this.houseStyle=val
	    		this.drawLine ()
	    	},
	    	deep:true
	     }
	    }
    }
</script>

　　父组件

<EchartZx :houseStyle="openhouseStyle"></EchartZx>

　　（房屋管理）