阶梯瀑布图echarts category配置项内容和展示

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      option = {
    title: {
        text: '阶梯瀑布图',
        subtext: 'From ExcelHome',
        sublink: 'http://e.weibo.com/1341556070/Aj1J2x5a5'
    },
    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'
        },
        formatter: function(params) {
            var tar;
            if (params[1].value != '-') {
                tar = params[1];
            } else {
                tar = params[0];
            }
            return tar.name + '<br/>' + tar.seriesName + ' : ' + tar.value;
        }
    },
    legend: {
        data: ['支出', '收入']
    },
    toolbox: {
        show: true,
        feature: {
            mark: {
                show: true
            },
            dataView: {
                show: true,
                readOnly: false
            },
            restore: {
                show: true
            },
            saveAsImage: {
                show: true
            }
        }
    },
    xAxis: [{
        type: 'category',
        splitLine: {
            show: false
        },
        data: function() {
            var list = [];
            for (var i = 1; i <= 11; i++) {
                list.push('11月' + i + '日');
            }
            return list;
        }()
    }],
    yAxis: [{
        type: 'value'
    }],
    series: [{
            name: '辅助',
            type: 'bar',
            stack: '总量',
            barGap: '-100%',
            itemStyle: {
                normal: {
                    barBorderColor: 'rgba(0,0,0,0)',
                    color: 'rgba(0,0,0,0)'
                },
                emphasis: {
                    barBorderColor: 'rgba(0,0,0,0)',
                    color: 'rgba(0,0,0,0)'
                }
            },
            data: [0, 900, 1245, 1530, 1376, 1376, 1511, 1689, 1856, 1495, 1292]
        },
        {
            name: '收入',
            type: 'bar',
            stack: '总量',
            itemStyle: {
                normal: {
                    label: {
                        show: true,
                        position: 'top'
                    }
                }
            },
            data: [900, 345, 393, '-', '-', 135, 178, 286, '-', '-', '-']
        },
        {
            name: '支出',
            type: 'bar',
            stack: '总量',
            itemStyle: {
                normal: {
                    label: {
                        show: true,
                        position: 'bottom'
                    }
                }
            },
            data: ['-', '-', '-', 108, 154, '-', '-', '-', 119, 361, 203]
        },
        {
            type: 'bar',
            stack: '总量2',
            barGap: '-100%',
            itemStyle: {
                normal: {
                    barBorderColor: 'rgba(0,0,0,0)',
                    color: 'rgba(0,0,0,0)'
                },
                emphasis: {
                    barBorderColor: 'rgba(0,0,0,0)',
                    color: 'rgba(0,0,0,0)'
                }
            },
            data: [1100]
        },
        {
            type: 'bar',
            stack: '总量2',
            itemStyle: {
                normal: {
                    color:"#2EC7C9",
                    label: {
                        show: true,
                        position: 'top'
                    }
                }
            },
            data: [100]
        },
        {
            type: 'bar',
            stack: '总量3',
            barGap: '-100%',
            itemStyle: {
                normal: {
                    barBorderColor: 'rgba(0,0,0,0)',
                    color: 'rgba(0,0,0,0)'
                },
                emphasis: {
                    barBorderColor: 'rgba(0,0,0,0)',
                    color: 'rgba(0,0,0,0)'
                }
            },
            data: [1400]
        },
        {
            type: 'bar',
            stack: '总量3',
            itemStyle: {
                normal: {
                    color:"#B6A2DE",
                    label: {
                        show: true,
                        position: 'top'
                    }
                }
            },
            data: [1210]
        },
    ]
};