option = {
    tooltip : {
        show: true,
        trigger: 'item'
    },
    legend: {
        data:['邮件营销','联盟广告','直接访问','搜索引擎']
    },
    toolbox: {
        show : true,
        feature : {
            mark : {show: true},
            dataView : {show: true, readOnly: false},
            magicType : {show: true, type: ['line', 'bar', 'stack', 'tiled']},
            restore : {show: true},
            saveAsImage : {show: true}
        }
    },
    calculable : true,
    xAxis : [
        {
            type : 'category',
            data : ['周一','周二','周三','周四','周五','周六','周日']
        }
    ],
    yAxis : [
        {
            type : 'value'
        }
    ],
    series : [
        {
            name:'邮件营销',
            type:'bar',
            itemStyle: {        // 系列级个性化样式，纵向渐变填充
                normal: {
                    barBorderColor:'red',
                    barBorderWidth: 5,
                    color : (function (){
                        var zrColor = require('zrender/tool/color');
                        return zrColor.getLinearGradient(
                            0, 400, 0, 300,
                            [[0, 'green'],[1, 'yellow']]
                        )
                    })()
                },
                emphasis: {
                    barBorderWidth: 5,
                    barBorderColor:'green',
                    color: (function (){
                        var zrColor = require('zrender/tool/color');
                        return zrColor.getLinearGradient(
                            0, 400, 0, 300,
                            [[0, 'red'],[1, 'orange']]
                        )
                    })(),
                    label : {
                        show : true,
                        position : 'top',
                        formatter : "{a} {b} {c}",
                        textStyle : {
                            color: 'blue'
                        }
                    }
                }
            },
            data:[220, 232, 101, 234, 190, 330, 210]
        },
        {
            name:'联盟广告',
            type:'bar',
            stack: '总量',
            data:[120, '-', 451, 134, 190, 230, 110]
        },
        {
            name:'直接访问',
            type:'bar',
            stack: '总量',
            itemStyle: {                // 系列级个性化
                normal: {
                    barBorderWidth: 6,
                    barBorderColor:'tomato',
                    color: 'red'
                },
                emphasis: {
                    barBorderColor:'red',
                    color: 'blue'
                }
            },
            data:[
                320, 332, 100, 334,
                {
                    value: 390,
                    symbolSize : 10,   // 数据级个性化
                    itemStyle: {
                        normal: {
                            color :'lime'
                        },
                        emphasis: {
                            color: 'skyBlue'
                        }
                    }
                },
                330, 320
            ]
        },
        {
            name:'搜索引擎',
            type:'bar',
            barWidth: 40,                   // 系列级个性化，柱形宽度
            itemStyle: {
                normal: {                   // 系列级个性化，横向渐变填充
                    borderRadius: 5,
                    color : (function (){
                        var zrColor = require('zrender/tool/color');
                        return zrColor.getLinearGradient(
                            0, 0, 1000, 0,
                            [[0, 'rgba(30,144,255,0.8)'],[1, 'rgba(138,43,226,0.8)']]
                        )
                    })(),
                    label : {
                        show : true,
                        textStyle : {
                            fontSize : '20',
                            fontFamily : '微软雅黑',
                            fontWeight : 'bold'
                        }
                    }
                }
            },
            data:[
                620, 732,
                {
                    value: 701,
                    itemStyle : { normal: {label : {position: 'inside'}}}
                },
                734, 890, 930, 820
            ],
            markLine : {
                data : [
                    {type : 'average', name : '平均值'},
                    {type : 'max'},
                    {type : 'min'}
                ]
            }
        }
    ]
};