echarts 颜色

myChart.setOption({
                    title: { text: '年收益趋势' },
                    tooltip: {},
                    xAxis: {
                        data: ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
                    },
                    yAxis: {},
                    series: [{
                        name: '销量',
                        type: 'bar',
                        data: [5, 20, 36, 10, 10, 20],
                        itemStyle: {
                            color: {
                                type: 'linear',
                                x: 0,
                                y: 0,
                                x2: 0,
                                y2: 1,
                                colorStops: [{
                                    offset: 0, color: 'red' // 0% 处的颜色
                                }, {
                                    offset: 1, color: 'blue' // 100% 处的颜色
                                }],
                                global: false // 缺省为 false
                            }
                        },
                    }]
                });








itemStyle: {
                            color: {
                                type: 'linear',
                                x: 0,
                                y: 0,
                                x2: 0,
                                y2: 1,
                                colorStops: [{
                                    offset: 0, color: 'red' // 0% 处的颜色
                                }, {
                                    offset: 1, color: 'blue' // 100% 处的颜色
                                }],
                                global: false // 缺省为 false
                            }
                        },