dataRange: {
         realtime: false,
         itemHeight: 80,
         splitNumber:6,
         borderWidth:1, 
         textStyle: { color: ‘#333333‘ },
         text: [‘高‘, ‘低‘],
         calculable: true
     },
//=======================================================
    visualMap: {
        min: 0,
        max: 1000000,
        text: [‘High‘, ‘Low‘],
        realtime: false,
        calculable: true,
        inRange: {
            color: [‘lightskyblue‘, ‘yellow‘, ‘orangered‘]
        }
    },


<div class="se-preview-section-delimiter"></div>

echarts3更新