<script>

export default {

mounted(){        this.drawLine();    },    methods: {        drawLine(){        var myChartContainer = document.getElementById('myChart');            //用于使chart自适应宽度,通过窗体宽计算容器高宽        var resizeMyChartContainer = function(){          myChartContainer.style.width=(document.body.clientWidth-75)+'px'        }          //设置容器高宽        resizeMyChartContainer()        // 基于准备好的dom，初始化echarts实例        var myChart = this.$echarts.init(myChartContainer)                 // 绘制图表        myChart.setOption({            title: { text: '启动次数' },            tooltip: {},            xAxis: {                type: 'category',                data: ['2019-02-15', '2019-02-16', '2019-02-17', '2019-02-18', '2019-02-19', '2019-02-20', '2019-02-21']            },            yAxis: {                 type:'value'            },            series: [{                type: 'line',                data: [0,0, 0, 7, 0, 0,12],                smooth:true,                symbol: 'circle',                 symbolSize: 6,                 itemStyle:{                      normal:{                                                   color:'#fc8a0f',                          lineStyle:{                              color:'#ff9c35'                                 }                              }                         }            }],                   });        window.onresize=function(){          resizeMyChartContainer();            myChart.resize();        }      }    } }