折线图每个点不同的 symbolecharts 折线配置项内容和展示

      option = {
    title: {
        text: 'Awesome Chart'
    },
    xAxis: {
        data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
    },
    yAxis: {},
    series: [{
        type: 'line',
        symbolSize: 10,
        data:[{
            value: 220,
            symbol: 'triangle'
        }, {
            value: 182,
            symbol: 'rect'
        }, 191, 234, 290, 330, 310]
    }]
};