101901.png

               let  option = {
                 series:[{
                   type:'bar',
                   barGap:'-74%',      //两个柱形重叠
                  showBackground: true, //添加背景色
                  backgroundStyle: {
                      color: '#FFF8F0'
                  },
                   itemStyle: {
                        normal: {
                            color: '#FFEBB8',
                            barBorderRadius:3,//圆角
                            show: false,
                        }
                    },
                   barMaxWidth:22,
                   data:data2
               },
               {
                   type:'bar',
                   itemStyle: {
                        normal: {
                            color: (param)=>{ //渐变色
                                return new this.$echarts.graphic.LinearGradient(0, 0, 0, 1,
                                [
                                    {offset: 0, color: cols[1]},
                                    {offset: 1, color: cols[2]}
                                ]) 
                            } ,
                            barBorderRadius:3,
                            show: false,
                        }
                    },
                   barMaxWidth:9,
                   data:data
               },
               
            ],
            addDataAnimation: true, 
            animationEasing: 'linear',
        }

}