Echarts如何进行实例化 var a1 = null; a1= echarts.init(document.getElementById('a1')); a1.setOption({ color: ['#01a5e8'], tooltip: { trigger: 'axis', axisPointer: { // 坐标轴指示器,坐标轴触发有效 type: 'shadow' // 默认为直线,可选为:'line' | 'shadow' } }, grid: { left: '3%', righ…