桑基图 列间距echarts sankey配置项内容和展示

      option = {
    color: [
        '#67001f', '#b2182b', '#d6604d', '#f4a582', '#fddbc7', '#d1e5f0', '#92c5de', '#4393c3', '#2166ac', '#053061'
    ],
    tooltip: {
        trigger: 'item',
        triggerOn: 'mousemove'
    },
    animation: false,
    series: [{
        type: 'sankey',
        bottom: '10%',
        focusNodeAdjacency: 'allEdges',
        data: [{
                name: 'a'
            },
            {
                name: 'b'
            },
            {
                name: 'a1'
            },
            {
                name: 'b1'
            },
            {
                name: 'c'
            },
            {
                name: 'e'
            },
            {
                name: '隐藏',
                label: {
                    color: 'transparent'
                },
                itemStyle: {
                    color: 'transparent',
                    borderWidth: 0
                },
                lineStyle: {
                    color: 'transparent',
                    opacity: 0.6
                }
            }
        ],
        links: [{
                source: 'e',
                target: 'b',
                value: 3
            },
            {
                source: 'a',
                target: 'b1',
                value: 3
            },
            {
                source: 'b1',
                target: 'a1',
                value: 1
            },
            {
                source: 'b1',
                target: 'c',
                value: 2
            },
            {
                source: 'b',
                target: 'c',
                value: 1
            },
            {
                source: 'b1',
                target: '隐藏',
                value: 1,
                itemStyle: {
                    color: 'transparent'
                },
                lineStyle: {
                    color: 'transparent',
                    opacity: 0.6
                }
            }, {
                source: '隐藏',
                target: 'c',
                value: 1,
                itemStyle: {
                    color: 'transparent'
                },
                lineStyle: {
                    color: 'transparent',
                    opacity: 0.6
                }
            }

        ],
        label: {
            position: 'top'
        },
        lineStyle: {
            color: 'source',
            curveness: 0.5
        }
    }]
}