Echarts在线免费图表

 
            var data = [
    {value:335, name:'直接访问...', full: '直接访问很长很长很长很长很长很长很长很长'},
    {value:310, name:'邮件营销...', full: '邮件营销很长很长很长很长很长很长很长很长'},
    {value:234, name:'联盟广告...', full: '联盟广告很长很长很长很长很长很长很长很长'},
    {value:135, name:'视频广告...', full: '视频广告很长很长很长很长很长很长很长很长'},
    {value:1548, name:'搜索引擎...', full: '搜索引擎很长很长很长很长很长很长很长很长'}
];

option = {
    title : {
        text: '某站点用户访问来源',
        subtext: '纯属虚构',
        x:'center'
    },
    tooltip : {
        trigger: 'item',
        formatter: function (params) {
            return data[params.dataIndex].full + '<br>' + params.value + ' (' + params.percent + '%)';
        }
    },
    legend: {
        orient: 'vertical',
        left: 'left',
        data: ['直接访问','邮件营销','联盟广告','视频广告','搜索引擎']
    },
    series : [
        {
            name: '访问来源',
            type: 'pie',
            radius : '55%',
            center: ['50%', '60%'],
            data: data,
            itemStyle: {
                emphasis: {
                    shadowBlur: 10,
                    shadowOffsetX: 0,
                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
            }
        }
    ]
};