vue使用echarts画出好看的图

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<template>
  <div class="charts">
      <div id="main" style=" width:100%; height:350px;"></div> 
  </div>
</template>

<script>
import echarts from 'echarts';  
  export default {  
      data() {  
            return {  
              chart: null,   
              title: "I'm title",
              datas: [-0.01, -0.011, -0.012, 0.001, 0.003, 0.002, 0.008],
              labels: ['3-11', '3-12', '3-13', '3-14', '3-15', '3-16', '3-17']
            }  
        },  
        methods: {  
            drawGraph(id) {   
                this.chart = echarts.init(document.getElementById(id))  
                this.chart.showLoading(); 
                var that = this  
                this.chart.setOption({  
                    title: {  
                        text: this.title,   
                        x: 'center'  
                    },  
                    xAxis: {
                        type: 'category',
                        data: this.labels
                    },
                    yAxis: {
                        type: 'value'
                    },   
                    series: [{  
                        data: this.datas,
                        type: 'line',
                        markPoint: {
                            data: [
                                {type: 'max'},
                                {type: 'min'}
                            ]
                        },
                    }]  
                })  
                this.chart.hideLoading()  
            }  
        },  
        mounted() {  
            this.$nextTick(function() {  
                this.drawGraph('main')  
            })  
        }  
}  
</script>